diff --git a/Android.mk b/Android.mk
index e37e9fb..0466a1f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -21,17 +21,17 @@
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
 LOCAL_STATIC_ANDROID_LIBRARIES := \
-    android-slices-builders \
-    android-slices-core \
-    android-slices-view \
-    android-support-compat \
-    android-support-v4 \
-    android-support-v13 \
-    android-support-v7-appcompat \
-    android-support-v7-cardview \
-    android-support-v7-preference \
-    android-support-v7-recyclerview \
-    android-support-v14-preference \
+    androidx.slice_slice-builders \
+    androidx.slice_slice-core \
+    androidx.slice_slice-view \
+    androidx.core_core \
+    androidx.legacy_legacy-support-v4 \
+    androidx.legacy_legacy-support-v13 \
+    androidx.appcompat_appcompat \
+    androidx.cardview_cardview \
+    androidx.preference_preference \
+    androidx.recyclerview_recyclerview \
+    androidx.legacy_legacy-preference-v14 \
 
 LOCAL_JAVA_LIBRARIES := \
     bouncycastle \
@@ -39,8 +39,8 @@
     ims-common
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
-    android-arch-lifecycle-runtime \
-    android-arch-lifecycle-extensions \
+    androidx.lifecycle_lifecycle-runtime \
+    androidx.lifecycle_lifecycle-extensions \
     guava \
     jsr305 \
     settings-logtags \
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 61b12a6..98004f1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -106,7 +106,7 @@
             android:usesCleartextTraffic="true"
             android:defaultToDeviceProtectedStorage="true"
             android:directBootAware="true"
-            android:appComponentFactory="android.support.v4.app.CoreComponentFactory">
+            android:appComponentFactory="androidx.core.app.CoreComponentFactory">
 
         <uses-library android:name="org.apache.http.legacy" />
         <!-- Settings -->
@@ -2806,7 +2806,7 @@
         </receiver>
 
         <provider
-            android:name="android.support.v4.content.FileProvider"
+            android:name="androidx.core.content.FileProvider"
             android:authorities="com.android.settings.files"
             android:grantUriPermissions="true"
             android:exported="false">
diff --git a/proguard.flags b/proguard.flags
index 43a038b..6929d4b 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -41,9 +41,9 @@
 }
 
 # Keep annotated classes or class members.
--keep @android.support.annotation.Keep class *
+-keep @androidx.annotation.Keep class *
 -keepclassmembers class * {
-    @android.support.annotation.Keep *;
+    @androidx.annotation.Keep *;
 }
 
 # Keep specific fields used via reflection.
@@ -51,4 +51,4 @@
     public static ** SEARCH_INDEX_DATA_PROVIDER;
     public static ** SUMMARY_PROVIDER_FACTORY;
 }
--keep class android.support.v4.app.CoreComponentFactory
+-keep class androidx.core.app.CoreComponentFactory
diff --git a/res/layout/app_preference_item.xml b/res/layout/app_preference_item.xml
index 5653920..85d6bb0 100755
--- a/res/layout/app_preference_item.xml
+++ b/res/layout/app_preference_item.xml
@@ -33,7 +33,7 @@
         android:minWidth="56dp"
         android:paddingTop="4dp"
         android:paddingBottom="4dp">
-        <android.support.v7.internal.widget.PreferenceImageView
+        <androidx.preference.internal.PreferenceImageView
             android:id="@android:id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/res/layout/choose_lock_password.xml b/res/layout/choose_lock_password.xml
index 2c94524..cea3e12 100644
--- a/res/layout/choose_lock_password.xml
+++ b/res/layout/choose_lock_password.xml
@@ -62,7 +62,7 @@
                 android:imeOptions="actionNext|flagNoExtractUi|flagForceAscii"
                 style="@style/TextAppearance.PasswordEntry"/>
 
-            <android.support.v7.widget.RecyclerView
+            <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/password_requirements_view"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"/>
diff --git a/res/layout/condition_container.xml b/res/layout/condition_container.xml
index dd91bbb..a917ad9 100644
--- a/res/layout/condition_container.xml
+++ b/res/layout/condition_container.xml
@@ -26,19 +26,19 @@
     android:paddingEnd="16dp"
     android:paddingBottom="@dimen/dashboard_padding_bottom">
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:cardUseCompatPadding="true"
         app:cardElevation="2dp"
         app:cardCornerRadius="@dimen/suggestion_card_corner_radius">
 
-        <android.support.v7.widget.RecyclerView
+        <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/data"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:scrollbars="none"/>
 
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 
 </FrameLayout>
diff --git a/res/layout/condition_tile.xml b/res/layout/condition_tile.xml
index a31274f..81b90a5 100644
--- a/res/layout/condition_tile.xml
+++ b/res/layout/condition_tile.xml
@@ -57,7 +57,7 @@
         android:alpha=".7"
         android:textColor="?android:attr/textColorPrimary" />
 
-    <android.support.v7.widget.ButtonBarLayout
+    <androidx.appcompat.widget.ButtonBarLayout
         android:id="@+id/buttonBar"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -87,7 +87,7 @@
             android:textColor="?android:attr/textColorPrimary"
             style="?android:attr/buttonBarButtonStyle" />
 
-    </android.support.v7.widget.ButtonBarLayout>
+    </androidx.appcompat.widget.ButtonBarLayout>
 
     <include layout="@layout/horizontal_divider" />
 
diff --git a/res/layout/manage_applications_apps.xml b/res/layout/manage_applications_apps.xml
index d362528..765ced6 100644
--- a/res/layout/manage_applications_apps.xml
+++ b/res/layout/manage_applications_apps.xml
@@ -43,7 +43,7 @@
                 android:layout_height="0px"
                 android:layout_weight="1">
 
-                <android.support.v7.widget.RecyclerView
+                <androidx.recyclerview.widget.RecyclerView
                     android:id="@+id/apps_list"
                     android:layout_width="match_parent"
                     android:layout_height="match_parent"
diff --git a/res/layout/preference_app.xml b/res/layout/preference_app.xml
index 6605041..6ec3db9 100644
--- a/res/layout/preference_app.xml
+++ b/res/layout/preference_app.xml
@@ -34,7 +34,7 @@
         android:paddingEnd="8dp"
         android:paddingTop="4dp"
         android:paddingBottom="4dp">
-        <android.support.v7.internal.widget.PreferenceImageView
+        <androidx.preference.internal.PreferenceImageView
             android:id="@android:id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/res/layout/preference_radio.xml b/res/layout/preference_radio.xml
index 1ce8b81..cd486ca 100644
--- a/res/layout/preference_radio.xml
+++ b/res/layout/preference_radio.xml
@@ -44,7 +44,7 @@
         android:layout_marginEnd="16dp"
         android:paddingTop="4dp"
         android:paddingBottom="4dp">
-        <android.support.v7.internal.widget.PreferenceImageView
+        <androidx.preference.internal.PreferenceImageView
             android:id="@android:id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/res/layout/preview_seek_bar_view_pager.xml b/res/layout/preview_seek_bar_view_pager.xml
index 5eb3543..264991a 100644
--- a/res/layout/preview_seek_bar_view_pager.xml
+++ b/res/layout/preview_seek_bar_view_pager.xml
@@ -22,7 +22,7 @@
     android:padding="@dimen/preview_pager_padding"
     android:background="@drawable/preview_seek_bar_outline" >
 
-    <android.support.v4.view.ViewPager
+    <androidx.viewpager.widget.ViewPager
         android:id="@+id/preview_pager"
         android:layout_width="match_parent"
         android:layout_height="100dp"
diff --git a/res/layout/recycler_view.xml b/res/layout/recycler_view.xml
index a7dabe5..28c7948 100644
--- a/res/layout/recycler_view.xml
+++ b/res/layout/recycler_view.xml
@@ -14,7 +14,7 @@
   See the License for the specific language governing permissions and
   limitations under the License.
   -->
-<android.support.v7.widget.RecyclerView
+<androidx.recyclerview.widget.RecyclerView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/recycler_view"
     android:layout_width="match_parent"
diff --git a/res/layout/settings_main_dashboard.xml b/res/layout/settings_main_dashboard.xml
index c430d6d..b14f73e 100644
--- a/res/layout/settings_main_dashboard.xml
+++ b/res/layout/settings_main_dashboard.xml
@@ -28,7 +28,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="?android:attr/colorPrimary">
-        <android.support.v7.widget.CardView
+        <androidx.cardview.widget.CardView
             android:id="@+id/search_bar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -51,7 +51,7 @@
                     android:layout_height="wrap_content"
                     android:text="@string/search_menu" />
             </Toolbar>
-        </android.support.v7.widget.CardView>
+        </androidx.cardview.widget.CardView>
     </FrameLayout>
     <FrameLayout
         android:id="@+id/main_content"
diff --git a/res/layout/suggestion_container.xml b/res/layout/suggestion_container.xml
index ee7631d..3f57c33 100644
--- a/res/layout/suggestion_container.xml
+++ b/res/layout/suggestion_container.xml
@@ -23,7 +23,7 @@
     android:paddingTop="2dp"
     android:orientation="vertical">
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/suggestion_list"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/res/layout/suggestion_tile.xml b/res/layout/suggestion_tile.xml
index e4c1b77..09431a8 100644
--- a/res/layout/suggestion_tile.xml
+++ b/res/layout/suggestion_tile.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<android.support.v7.widget.CardView
+<androidx.cardview.widget.CardView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/suggestion_card"
@@ -90,4 +90,4 @@
 
     </LinearLayout>
 
-</android.support.v7.widget.CardView>
+</androidx.cardview.widget.CardView>
diff --git a/res/layout/suggestion_tile_two_cards.xml b/res/layout/suggestion_tile_two_cards.xml
index 15c5004..c75458b 100644
--- a/res/layout/suggestion_tile_two_cards.xml
+++ b/res/layout/suggestion_tile_two_cards.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<android.support.v7.widget.CardView
+<androidx.cardview.widget.CardView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/suggestion_card"
@@ -81,4 +81,4 @@
 
     </LinearLayout>
 
-</android.support.v7.widget.CardView>
+</androidx.cardview.widget.CardView>
diff --git a/res/layout/suggestion_tile_with_button.xml b/res/layout/suggestion_tile_with_button.xml
index cff0566..7d59dd9 100644
--- a/res/layout/suggestion_tile_with_button.xml
+++ b/res/layout/suggestion_tile_with_button.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<android.support.v7.widget.CardView
+<androidx.cardview.widget.CardView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/suggestion_card"
@@ -101,4 +101,4 @@
 
     </LinearLayout>
 
-</android.support.v7.widget.CardView>
+</androidx.cardview.widget.CardView>
diff --git a/res/layout/time_zone_items_list.xml b/res/layout/time_zone_items_list.xml
index 8c9dd94..9c929ee 100644
--- a/res/layout/time_zone_items_list.xml
+++ b/res/layout/time_zone_items_list.xml
@@ -14,7 +14,7 @@
   See the License for the specific language governing permissions and
   limitations under the License.
   -->
-<android.support.v7.widget.RecyclerView
+<androidx.recyclerview.widget.RecyclerView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/recycler_view"
     android:layout_width="match_parent"
diff --git a/src/com/android/settings/AccessiblePreferenceCategory.java b/src/com/android/settings/AccessiblePreferenceCategory.java
index 7145999..494dee5 100644
--- a/src/com/android/settings/AccessiblePreferenceCategory.java
+++ b/src/com/android/settings/AccessiblePreferenceCategory.java
@@ -17,8 +17,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceViewHolder;
 
 /**
  * Preference category that accepts a content description for accessibility.
diff --git a/src/com/android/settings/BrightnessPreference.java b/src/com/android/settings/BrightnessPreference.java
index af17bb1..86d8336 100644
--- a/src/com/android/settings/BrightnessPreference.java
+++ b/src/com/android/settings/BrightnessPreference.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 public class BrightnessPreference extends Preference {
diff --git a/src/com/android/settings/CancellablePreference.java b/src/com/android/settings/CancellablePreference.java
index eb67f87..92c1003 100644
--- a/src/com/android/settings/CancellablePreference.java
+++ b/src/com/android/settings/CancellablePreference.java
@@ -16,8 +16,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/CustomListPreference.java b/src/com/android/settings/CustomListPreference.java
index 0549b60..cb87440 100644
--- a/src/com/android/settings/CustomListPreference.java
+++ b/src/com/android/settings/CustomListPreference.java
@@ -25,8 +25,8 @@
 import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v14.preference.ListPreferenceDialogFragment;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreferenceDialogFragment;
+import androidx.preference.ListPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/IccLockSettings.java b/src/com/android/settings/IccLockSettings.java
index b9f3b10..7d493eb 100644
--- a/src/com/android/settings/IccLockSettings.java
+++ b/src/com/android/settings/IccLockSettings.java
@@ -25,8 +25,8 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/LegalSettings.java b/src/com/android/settings/LegalSettings.java
index e9b2694..2bdfa3b 100644
--- a/src/com/android/settings/LegalSettings.java
+++ b/src/com/android/settings/LegalSettings.java
@@ -24,8 +24,8 @@
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceGroup;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index 8f573c0..a7da416 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java
@@ -38,7 +38,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.euicc.EuiccManager;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/PreviewPagerAdapter.java b/src/com/android/settings/PreviewPagerAdapter.java
index bb68055..b98ffcb 100644
--- a/src/com/android/settings/PreviewPagerAdapter.java
+++ b/src/com/android/settings/PreviewPagerAdapter.java
@@ -19,7 +19,7 @@
 import android.animation.Animator.AnimatorListener;
 import android.content.Context;
 import android.content.res.Configuration;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/PreviewSeekBarPreferenceFragment.java b/src/com/android/settings/PreviewSeekBarPreferenceFragment.java
index 026032d..e031edb 100644
--- a/src/com/android/settings/PreviewSeekBarPreferenceFragment.java
+++ b/src/com/android/settings/PreviewSeekBarPreferenceFragment.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Bundle;
-import android.support.v4.view.ViewPager;
-import android.support.v4.view.ViewPager.OnPageChangeListener;
+import androidx.viewpager.widget.ViewPager;
+import androidx.viewpager.widget.ViewPager.OnPageChangeListener;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/PrivacySettings.java b/src/com/android/settings/PrivacySettings.java
index 24774e0..0ae9cb1 100644
--- a/src/com/android/settings/PrivacySettings.java
+++ b/src/com/android/settings/PrivacySettings.java
@@ -29,11 +29,11 @@
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/ProgressCategory.java b/src/com/android/settings/ProgressCategory.java
index dd19de8..eeb7bfe 100644
--- a/src/com/android/settings/ProgressCategory.java
+++ b/src/com/android/settings/ProgressCategory.java
@@ -17,8 +17,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 
diff --git a/src/com/android/settings/ProgressCategoryBase.java b/src/com/android/settings/ProgressCategoryBase.java
index fb634f3..89ded4b 100644
--- a/src/com/android/settings/ProgressCategoryBase.java
+++ b/src/com/android/settings/ProgressCategoryBase.java
@@ -17,7 +17,7 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 public abstract class ProgressCategoryBase extends PreferenceCategory {
diff --git a/src/com/android/settings/RegulatoryInfoDisplayActivity.java b/src/com/android/settings/RegulatoryInfoDisplayActivity.java
index 043071c..2f35221 100644
--- a/src/com/android/settings/RegulatoryInfoDisplayActivity.java
+++ b/src/com/android/settings/RegulatoryInfoDisplayActivity.java
@@ -25,7 +25,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.View;
diff --git a/src/com/android/settings/ResetNetworkConfirm.java b/src/com/android/settings/ResetNetworkConfirm.java
index c05d6ce..99f2df6 100644
--- a/src/com/android/settings/ResetNetworkConfirm.java
+++ b/src/com/android/settings/ResetNetworkConfirm.java
@@ -33,7 +33,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Telephony;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
diff --git a/src/com/android/settings/RestrictedListPreference.java b/src/com/android/settings/RestrictedListPreference.java
index d581af6..4cfb2cf 100644
--- a/src/com/android/settings/RestrictedListPreference.java
+++ b/src/com/android/settings/RestrictedListPreference.java
@@ -25,9 +25,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.ListPreferenceDialogFragment;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreferenceDialogFragment;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/RestrictedSettingsFragment.java b/src/com/android/settings/RestrictedSettingsFragment.java
index 3b69eff..3392d8c 100644
--- a/src/com/android/settings/RestrictedSettingsFragment.java
+++ b/src/com/android/settings/RestrictedSettingsFragment.java
@@ -27,7 +27,7 @@
 import android.os.PersistableBundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.View;
 import android.widget.TextView;
 
diff --git a/src/com/android/settings/RingtonePreference.java b/src/com/android/settings/RingtonePreference.java
index 52ab65b..98f0579 100644
--- a/src/com/android/settings/RingtonePreference.java
+++ b/src/com/android/settings/RingtonePreference.java
@@ -24,8 +24,8 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings.System;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 
@@ -44,7 +44,7 @@
  * @attr ref android.R.styleable#RingtonePreference_showSilent
  *
  * Based of frameworks/base/core/java/android/preference/RingtonePreference.java
- * but extends android.support.v7.preference.Preference instead.
+ * but extends androidx.preference.Preference instead.
  */
 public class RingtonePreference extends Preference {
 
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 971ae04..7e77047 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -39,11 +39,11 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.transition.TransitionManager;
 import android.util.FeatureFlagUtils;
diff --git a/src/com/android/settings/SettingsInitialize.java b/src/com/android/settings/SettingsInitialize.java
index 0bc892c..7272399 100644
--- a/src/com/android/settings/SettingsInitialize.java
+++ b/src/com/android/settings/SettingsInitialize.java
@@ -27,7 +27,7 @@
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import java.util.ArrayList;
diff --git a/src/com/android/settings/SettingsLicenseActivity.java b/src/com/android/settings/SettingsLicenseActivity.java
index ebb1ae1..c1489b0 100644
--- a/src/com/android/settings/SettingsLicenseActivity.java
+++ b/src/com/android/settings/SettingsLicenseActivity.java
@@ -25,8 +25,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.FileProvider;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.FileProvider;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/settings/SettingsPreferenceFragment.java b/src/com/android/settings/SettingsPreferenceFragment.java
index 95a039b..e5a4892 100644
--- a/src/com/android/settings/SettingsPreferenceFragment.java
+++ b/src/com/android/settings/SettingsPreferenceFragment.java
@@ -26,13 +26,13 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.XmlRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.XmlRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
diff --git a/src/com/android/settings/SetupWizardUtils.java b/src/com/android/settings/SetupWizardUtils.java
index 85acc8a..e449d52 100644
--- a/src/com/android/settings/SetupWizardUtils.java
+++ b/src/com/android/settings/SetupWizardUtils.java
@@ -18,7 +18,7 @@
 
 import android.content.Intent;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.setupwizardlib.util.WizardManagerHelper;
 
diff --git a/src/com/android/settings/SummaryPreference.java b/src/com/android/settings/SummaryPreference.java
index dbe036a..8823027 100644
--- a/src/com/android/settings/SummaryPreference.java
+++ b/src/com/android/settings/SummaryPreference.java
@@ -15,8 +15,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/TestingSettings.java b/src/com/android/settings/TestingSettings.java
index 7adf133..b630685 100644
--- a/src/com/android/settings/TestingSettings.java
+++ b/src/com/android/settings/TestingSettings.java
@@ -18,7 +18,7 @@
 
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 
diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index 1e56e54..e7dc952 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java
@@ -34,8 +34,8 @@
 import android.os.Environment;
 import android.os.Handler;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.datausage.DataSaverBackend;
diff --git a/src/com/android/settings/UserCredentialsSettings.java b/src/com/android/settings/UserCredentialsSettings.java
index 7d0fca0..571a32c 100644
--- a/src/com/android/settings/UserCredentialsSettings.java
+++ b/src/com/android/settings/UserCredentialsSettings.java
@@ -39,7 +39,7 @@
 import android.security.KeyStore;
 import android.security.keymaster.KeyCharacteristics;
 import android.security.keymaster.KeymasterDefs;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index b1ed38f..938f5b7 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -71,9 +71,9 @@
 import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.RawContacts;
 import android.provider.Settings;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.TelephonyManager;
 import android.text.Spannable;
 import android.text.SpannableString;
diff --git a/src/com/android/settings/accessibility/AccessibilitySettings.java b/src/com/android/settings/accessibility/AccessibilitySettings.java
index 4ddcc31..d9479bb 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettings.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettings.java
@@ -33,13 +33,13 @@
 import android.os.Vibrator;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.core.content.ContextCompat;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.view.KeyCharacterMap;
diff --git a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
index 137a9e4..3500ba2 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.pm.ServiceInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityManager;
 
diff --git a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java
index 44fc9d8..37b1018 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java
@@ -17,8 +17,8 @@
 package com.android.settings.accessibility;
 
 import android.os.Bundle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.view.Menu;
 import android.view.accessibility.AccessibilityEvent;
 
diff --git a/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java b/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
index bc164ab..e9321c6 100644
--- a/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
@@ -25,8 +25,8 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 
diff --git a/src/com/android/settings/accessibility/CaptionPropertiesFragment.java b/src/com/android/settings/accessibility/CaptionPropertiesFragment.java
index fbbdfad..a5e02c5 100644
--- a/src/com/android/settings/accessibility/CaptionPropertiesFragment.java
+++ b/src/com/android/settings/accessibility/CaptionPropertiesFragment.java
@@ -23,10 +23,10 @@
 import android.os.Bundle;
 import android.preference.PreferenceFrameLayout;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnLayoutChangeListener;
diff --git a/src/com/android/settings/accessibility/ColorPreference.java b/src/com/android/settings/accessibility/ColorPreference.java
index 27d46a0..7a7b7fc 100644
--- a/src/com/android/settings/accessibility/ColorPreference.java
+++ b/src/com/android/settings/accessibility/ColorPreference.java
@@ -20,7 +20,7 @@
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java b/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java
index 80baaf3..53a2dda 100644
--- a/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java
+++ b/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java
@@ -17,8 +17,8 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 
 /*
diff --git a/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java b/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java
index 020c2a6..090c3de 100644
--- a/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class HapticFeedbackIntensityPreferenceController
         extends VibrationIntensityPreferenceController {
diff --git a/src/com/android/settings/accessibility/LocalePreference.java b/src/com/android/settings/accessibility/LocalePreference.java
index 2d87b6e..4d3497d 100644
--- a/src/com/android/settings/accessibility/LocalePreference.java
+++ b/src/com/android/settings/accessibility/LocalePreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.app.LocalePicker;
diff --git a/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java b/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java
index bb75814..16c354c 100644
--- a/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java
+++ b/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java
@@ -16,7 +16,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java b/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java
index ef71412..ff12e27 100644
--- a/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java
+++ b/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java
@@ -16,7 +16,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java b/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java
index 615c874..e6875e4 100644
--- a/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java
@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityManager;
 
diff --git a/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java b/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java
index a016478..362b59c 100644
--- a/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class NotificationVibrationIntensityPreferenceController
         extends VibrationIntensityPreferenceController {
diff --git a/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java
index a61cfdb..3f0fe0c 100644
--- a/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java
@@ -19,7 +19,7 @@
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 
diff --git a/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
index 69044aa..a38fd27 100644
--- a/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
@@ -18,8 +18,8 @@
 
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 
diff --git a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
index 208bb73..94a26b9 100644
--- a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
@@ -19,8 +19,8 @@
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
index d7ca22a..3e5af89 100644
--- a/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
@@ -25,9 +25,9 @@
 import android.media.MediaPlayer.OnPreparedListener;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.view.Display;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowManager;
diff --git a/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java b/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java
index 3fbb123..ef77535 100644
--- a/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java
@@ -23,8 +23,8 @@
 import android.os.Looper;
 import android.os.Vibrator;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
index b92aac2..9955783 100644
--- a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
@@ -17,7 +17,7 @@
 
 import static android.os.Vibrator.VibrationIntensity;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.content.Context;
 import android.database.ContentObserver;
 import android.graphics.drawable.Drawable;
diff --git a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
index 109e782..241f1f3 100644
--- a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
+++ b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
@@ -21,8 +21,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/accounts/AccountHeaderPreferenceController.java b/src/com/android/settings/accounts/AccountHeaderPreferenceController.java
index e2902a2..7871346 100644
--- a/src/com/android/settings/accounts/AccountHeaderPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountHeaderPreferenceController.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
diff --git a/src/com/android/settings/accounts/AccountPreference.java b/src/com/android/settings/accounts/AccountPreference.java
index 7d613b0..ad7a4b3 100644
--- a/src/com/android/settings/accounts/AccountPreference.java
+++ b/src/com/android/settings/accounts/AccountPreference.java
@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.widget.ImageView;
 
diff --git a/src/com/android/settings/accounts/AccountPreferenceController.java b/src/com/android/settings/accounts/AccountPreferenceController.java
index f33b34d..fad2f13 100644
--- a/src/com/android/settings/accounts/AccountPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountPreferenceController.java
@@ -36,10 +36,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.util.ArrayMap;
 import android.util.Log;
diff --git a/src/com/android/settings/accounts/AccountSyncPreferenceController.java b/src/com/android/settings/accounts/AccountSyncPreferenceController.java
index c770713..a0c30ac 100644
--- a/src/com/android/settings/accounts/AccountSyncPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountSyncPreferenceController.java
@@ -24,9 +24,9 @@
 import android.content.SyncAdapterType;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/accounts/AccountSyncSettings.java b/src/com/android/settings/accounts/AccountSyncSettings.java
index 6b60e87..11867c2 100644
--- a/src/com/android/settings/accounts/AccountSyncSettings.java
+++ b/src/com/android/settings/accounts/AccountSyncSettings.java
@@ -35,7 +35,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/accounts/AccountTypePreference.java b/src/com/android/settings/accounts/AccountTypePreference.java
index e08f113..66f8888 100644
--- a/src/com/android/settings/accounts/AccountTypePreference.java
+++ b/src/com/android/settings/accounts/AccountTypePreference.java
@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
 
 import com.android.settings.Utils;
 import com.android.settings.core.SubSettingLauncher;
diff --git a/src/com/android/settings/accounts/AccountTypePreferenceLoader.java b/src/com/android/settings/accounts/AccountTypePreferenceLoader.java
index a90a3d3..e811388 100644
--- a/src/com/android/settings/accounts/AccountTypePreferenceLoader.java
+++ b/src/com/android/settings/accounts/AccountTypePreferenceLoader.java
@@ -29,11 +29,11 @@
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/accounts/ChooseAccountActivity.java b/src/com/android/settings/accounts/ChooseAccountActivity.java
index fe6f7b4..35f51af 100644
--- a/src/com/android/settings/accounts/ChooseAccountActivity.java
+++ b/src/com/android/settings/accounts/ChooseAccountActivity.java
@@ -33,8 +33,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java b/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java
index e1aeeb2..95bc8e7 100644
--- a/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java
+++ b/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java
@@ -22,7 +22,7 @@
 import android.content.res.Resources;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/accounts/ManagedProfileSettings.java b/src/com/android/settings/accounts/ManagedProfileSettings.java
index 0933042..4227e6d 100644
--- a/src/com/android/settings/accounts/ManagedProfileSettings.java
+++ b/src/com/android/settings/accounts/ManagedProfileSettings.java
@@ -24,8 +24,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
index 24d3ea1..ecb849b 100644
--- a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
+++ b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
@@ -31,7 +31,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
diff --git a/src/com/android/settings/accounts/SyncStateSwitchPreference.java b/src/com/android/settings/accounts/SyncStateSwitchPreference.java
index 456edba..b65b183 100644
--- a/src/com/android/settings/accounts/SyncStateSwitchPreference.java
+++ b/src/com/android/settings/accounts/SyncStateSwitchPreference.java
@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.app.ActivityManager;
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/applications/AppInfoWithHeader.java b/src/com/android/settings/applications/AppInfoWithHeader.java
index af0cf5b..dd71087 100644
--- a/src/com/android/settings/applications/AppInfoWithHeader.java
+++ b/src/com/android/settings/applications/AppInfoWithHeader.java
@@ -20,7 +20,7 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 
diff --git a/src/com/android/settings/applications/AppLaunchSettings.java b/src/com/android/settings/applications/AppLaunchSettings.java
index 4a9ed30..7d422b1 100644
--- a/src/com/android/settings/applications/AppLaunchSettings.java
+++ b/src/com/android/settings/applications/AppLaunchSettings.java
@@ -26,9 +26,9 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.util.ArraySet;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/applications/AppStateAppOpsBridge.java b/src/com/android/settings/applications/AppStateAppOpsBridge.java
index 1f843b9..f8dd59c 100755
--- a/src/com/android/settings/applications/AppStateAppOpsBridge.java
+++ b/src/com/android/settings/applications/AppStateAppOpsBridge.java
@@ -25,7 +25,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.SparseArray;
diff --git a/src/com/android/settings/applications/AppStorageSettings.java b/src/com/android/settings/applications/AppStorageSettings.java
index 6e85f56..8289114 100644
--- a/src/com/android/settings/applications/AppStorageSettings.java
+++ b/src/com/android/settings/applications/AppStorageSettings.java
@@ -47,9 +47,9 @@
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.util.MutableInt;
 import android.view.View;
diff --git a/src/com/android/settings/applications/AppStorageSizesController.java b/src/com/android/settings/applications/AppStorageSizesController.java
index 3626fab..6999a15 100644
--- a/src/com/android/settings/applications/AppStorageSizesController.java
+++ b/src/com/android/settings/applications/AppStorageSizesController.java
@@ -17,9 +17,9 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
 import android.text.format.Formatter;
 
 import com.android.internal.util.Preconditions;
diff --git a/src/com/android/settings/applications/ClearDefaultsPreference.java b/src/com/android/settings/applications/ClearDefaultsPreference.java
index 0de2676..26eb084 100644
--- a/src/com/android/settings/applications/ClearDefaultsPreference.java
+++ b/src/com/android/settings/applications/ClearDefaultsPreference.java
@@ -24,9 +24,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableString;
 import android.text.TextUtils;
 import android.text.style.BulletSpan;
@@ -70,7 +70,7 @@
 
     public ClearDefaultsPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 
diff --git a/src/com/android/settings/applications/DataSaverController.java b/src/com/android/settings/applications/DataSaverController.java
index 87589a7..afe7cd6 100644
--- a/src/com/android/settings/applications/DataSaverController.java
+++ b/src/com/android/settings/applications/DataSaverController.java
@@ -18,7 +18,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/DeviceAdministratorsController.java b/src/com/android/settings/applications/DeviceAdministratorsController.java
index 79c078e..ec1d556 100644
--- a/src/com/android/settings/applications/DeviceAdministratorsController.java
+++ b/src/com/android/settings/applications/DeviceAdministratorsController.java
@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/DirectoryAccessDetails.java b/src/com/android/settings/applications/DirectoryAccessDetails.java
index 4876e3d..8a8fa98 100644
--- a/src/com/android/settings/applications/DirectoryAccessDetails.java
+++ b/src/com/android/settings/applications/DirectoryAccessDetails.java
@@ -42,15 +42,15 @@
 import android.os.Bundle;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroupAdapter;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroupAdapter;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.IconDrawableFactory;
diff --git a/src/com/android/settings/applications/EnabledVrListenersController.java b/src/com/android/settings/applications/EnabledVrListenersController.java
index 0aae14f..7b33529 100644
--- a/src/com/android/settings/applications/EnabledVrListenersController.java
+++ b/src/com/android/settings/applications/EnabledVrListenersController.java
@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/HighPowerAppsController.java b/src/com/android/settings/applications/HighPowerAppsController.java
index b7ec2fb..39b8451 100644
--- a/src/com/android/settings/applications/HighPowerAppsController.java
+++ b/src/com/android/settings/applications/HighPowerAppsController.java
@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/LayoutPreference.java b/src/com/android/settings/applications/LayoutPreference.java
index 6940a4b..f80100f 100644
--- a/src/com/android/settings/applications/LayoutPreference.java
+++ b/src/com/android/settings/applications/LayoutPreference.java
@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/applications/ManageDomainUrls.java b/src/com/android/settings/applications/ManageDomainUrls.java
index adf406a..1b9dbaf 100644
--- a/src/com/android/settings/applications/ManageDomainUrls.java
+++ b/src/com/android/settings/applications/ManageDomainUrls.java
@@ -23,14 +23,14 @@
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceViewHolder;
 import android.util.ArraySet;
 import android.view.View;
 
diff --git a/src/com/android/settings/applications/PremiumSmsAccess.java b/src/com/android/settings/applications/PremiumSmsAccess.java
index ab6ea24..2210c0b 100644
--- a/src/com/android/settings/applications/PremiumSmsAccess.java
+++ b/src/com/android/settings/applications/PremiumSmsAccess.java
@@ -18,11 +18,11 @@
 import android.app.Application;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/applications/PremiumSmsController.java b/src/com/android/settings/applications/PremiumSmsController.java
index ecf19ff..eeb5d86 100644
--- a/src/com/android/settings/applications/PremiumSmsController.java
+++ b/src/com/android/settings/applications/PremiumSmsController.java
@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/ProcessStatsDetail.java b/src/com/android/settings/applications/ProcessStatsDetail.java
index af35298..7560952 100644
--- a/src/com/android/settings/applications/ProcessStatsDetail.java
+++ b/src/com/android/settings/applications/ProcessStatsDetail.java
@@ -33,8 +33,8 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.format.Formatter;
 import android.util.ArrayMap;
 import android.util.IconDrawableFactory;
diff --git a/src/com/android/settings/applications/ProcessStatsSummary.java b/src/com/android/settings/applications/ProcessStatsSummary.java
index 53da04c..72572db 100644
--- a/src/com/android/settings/applications/ProcessStatsSummary.java
+++ b/src/com/android/settings/applications/ProcessStatsSummary.java
@@ -18,8 +18,8 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
 
diff --git a/src/com/android/settings/applications/ProcessStatsUi.java b/src/com/android/settings/applications/ProcessStatsUi.java
index cb2a1eb..42475d2 100644
--- a/src/com/android/settings/applications/ProcessStatsUi.java
+++ b/src/com/android/settings/applications/ProcessStatsUi.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.Log;
 import android.util.TimeUtils;
 import android.view.Menu;
diff --git a/src/com/android/settings/applications/RecentAppsPreferenceController.java b/src/com/android/settings/applications/RecentAppsPreferenceController.java
index b177225..92d8af1 100644
--- a/src/com/android/settings/applications/RecentAppsPreferenceController.java
+++ b/src/com/android/settings/applications/RecentAppsPreferenceController.java
@@ -27,10 +27,10 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
diff --git a/src/com/android/settings/applications/SpacePreference.java b/src/com/android/settings/applications/SpacePreference.java
index 797bc92..b532896 100644
--- a/src/com/android/settings/applications/SpacePreference.java
+++ b/src/com/android/settings/applications/SpacePreference.java
@@ -17,9 +17,9 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.ViewGroup.LayoutParams;
 import com.android.settings.R;
@@ -34,7 +34,7 @@
 
     public SpacePreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 
diff --git a/src/com/android/settings/applications/SpecialAccessSettings.java b/src/com/android/settings/applications/SpecialAccessSettings.java
index 6387ec7..16fb405 100644
--- a/src/com/android/settings/applications/SpecialAccessSettings.java
+++ b/src/com/android/settings/applications/SpecialAccessSettings.java
@@ -17,9 +17,9 @@
 import android.app.ActivityManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java b/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java
index ae578d0..ef2b211 100644
--- a/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java
+++ b/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.datausage.DataSaverBackend;
diff --git a/src/com/android/settings/applications/UsageAccessDetails.java b/src/com/android/settings/applications/UsageAccessDetails.java
index fdb20c9..1681b1d 100644
--- a/src/com/android/settings/applications/UsageAccessDetails.java
+++ b/src/com/android/settings/applications/UsageAccessDetails.java
@@ -27,10 +27,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java b/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java
index da90909..79c2224 100644
--- a/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java
@@ -33,8 +33,8 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.webkit.IWebViewUpdateService;
 
diff --git a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
index b0bb173..55a6c9f 100644
--- a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
@@ -23,9 +23,9 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
index 69be98d..c572c37 100644
--- a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
@@ -25,9 +25,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
 
diff --git a/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java b/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java
index 15d1789..e37e670 100644
--- a/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java
@@ -19,7 +19,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
index 826254e..7ae4f2b 100755
--- a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
@@ -39,7 +39,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
diff --git a/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java b/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java
index 70313d1..3fc629d 100644
--- a/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java b/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java
index 3b3790b..6a1079c 100644
--- a/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java b/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java
index 4bc680c..e5b6eed 100644
--- a/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.AsyncTask;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.Formatter;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java b/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java
index 33b44ff..d4e7e60 100644
--- a/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java
@@ -20,7 +20,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java b/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java
index a16a74d..7e61385 100644
--- a/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java
@@ -22,8 +22,8 @@
 import android.content.pm.PackageManager;
 import android.hardware.usb.IUsbManager;
 import android.os.ServiceManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppLaunchSettings;
diff --git a/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java b/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java
index c61dd43..c5eed7b 100644
--- a/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.icu.text.ListFormatter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/appinfo/AppSettingPreferenceController.java b/src/com/android/settings/applications/appinfo/AppSettingPreferenceController.java
index f2941b2..4973ee9 100644
--- a/src/com/android/settings/applications/appinfo/AppSettingPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppSettingPreferenceController.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.overlay.FeatureFactory;
diff --git a/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java b/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java
index 913a6bd..5754dd2 100644
--- a/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java
@@ -22,8 +22,8 @@
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.format.Formatter;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java b/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java
index d5061d5..7b45b67 100644
--- a/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java
+++ b/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java
@@ -17,7 +17,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java b/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java
index bff6669..9efa998 100644
--- a/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java
+++ b/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java
@@ -27,10 +27,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 import android.view.Window;
 import android.view.WindowManager;
diff --git a/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java b/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java
index d9b9d6a..df8b862 100644
--- a/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppStateInstallAppsBridge;
diff --git a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
index 87e5fdb..0c06e08 100644
--- a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
+++ b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
index d2515a3..eb5e2eb 100644
--- a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
@@ -25,8 +25,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.Menu;
 import android.view.MenuInflater;
diff --git a/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java b/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java
index 211abf5..c0ba33f 100644
--- a/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.Utils;
 import com.android.settings.applications.AppDomainsPreference;
diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java b/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java
index 321fe65..7b98404 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java
@@ -20,8 +20,8 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java b/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java
index 1d9a544..21b224a 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java
@@ -19,9 +19,9 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java b/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java
index ef2c7a9..9d7f30a 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java
@@ -27,9 +27,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 import android.util.Pair;
 import android.view.View;
diff --git a/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java b/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java
index 0c4044a..6a39077 100644
--- a/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java
@@ -21,9 +21,9 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java b/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java
index b77fbcb..6171547 100644
--- a/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java
+++ b/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java
@@ -25,10 +25,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
index f54d5f4..2ac51e7 100644
--- a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
@@ -20,9 +20,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
index 083ab42..ccdaced 100644
--- a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
@@ -21,9 +21,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.AssistUtils;
diff --git a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
index 0e3d621..59425f3 100644
--- a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
@@ -20,9 +20,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/applications/assist/AssistSettingObserver.java b/src/com/android/settings/applications/assist/AssistSettingObserver.java
index 01a3a7a..c5d028e 100644
--- a/src/com/android/settings/applications/assist/AssistSettingObserver.java
+++ b/src/com/android/settings/applications/assist/AssistSettingObserver.java
@@ -20,7 +20,7 @@
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.annotation.MainThread;
+import androidx.annotation.MainThread;
 
 import com.android.settingslib.utils.ThreadUtils;
 
diff --git a/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java b/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java
index 9c87984..6f44ff4 100644
--- a/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java
+++ b/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java
@@ -23,7 +23,7 @@
 import android.content.pm.ResolveInfo;
 import android.service.voice.VoiceInteractionService;
 import android.service.voice.VoiceInteractionServiceInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
index 09f0b21..1543367 100644
--- a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
+++ b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.app.AssistUtils;
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
index 226daaa..ec8111b 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
@@ -23,7 +23,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java b/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java
index 50c6d02..7d9989f 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java
@@ -30,7 +30,7 @@
 import android.provider.Settings;
 import android.service.autofill.AutofillService;
 import android.service.autofill.AutofillServiceInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
index c762917..9d72bcf 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
@@ -24,7 +24,7 @@
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.IconDrawableFactory;
 import android.util.Log;
diff --git a/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java
index 413e1d5..b774602 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java
@@ -20,7 +20,7 @@
 import android.content.pm.PackageManager;
 import android.nfc.NfcAdapter;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/applications/manageapplications/AppFilterItem.java b/src/com/android/settings/applications/manageapplications/AppFilterItem.java
index c6f5639..8ba7a4c 100644
--- a/src/com/android/settings/applications/manageapplications/AppFilterItem.java
+++ b/src/com/android/settings/applications/manageapplications/AppFilterItem.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 
 import com.android.settingslib.applications.ApplicationsState;
 
diff --git a/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java b/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java
index b05e841..ff584b5 100644
--- a/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java
+++ b/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import com.android.settings.R;
 import com.android.settings.applications.AppStateInstallAppsBridge;
diff --git a/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java b/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java
index f7b41a6..a1a4c22 100644
--- a/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java
+++ b/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java
@@ -19,9 +19,9 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.StringRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.StringRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/applications/manageapplications/ManageApplications.java b/src/com/android/settings/applications/manageapplications/ManageApplications.java
index 51b24e1..b23a967 100644
--- a/src/com/android/settings/applications/manageapplications/ManageApplications.java
+++ b/src/com/android/settings/applications/manageapplications/ManageApplications.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import static android.support.v7.widget.RecyclerView.SCROLL_STATE_IDLE;
+import static androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE;
 import static com.android.settings.applications.manageapplications.AppFilterRegistry
         .FILTER_APPS_ALL;
 import static com.android.settings.applications.manageapplications.AppFilterRegistry
@@ -53,10 +53,10 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.preference.PreferenceFrameLayout;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;
diff --git a/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java b/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java
index 14d08aa..2f33c1e 100644
--- a/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java
+++ b/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java
@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.provider.DocumentsContract;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.Log;
 
diff --git a/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java b/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java
index 73330e9..6b7c8d6 100644
--- a/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java
+++ b/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserHandle;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.Log;
 
diff --git a/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java b/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java
index d7f6c6e..3fc3c1d 100644
--- a/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java
+++ b/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/backup/BackupSettingsActivity.java b/src/com/android/settings/backup/BackupSettingsActivity.java
index d78af32..a16ab78 100644
--- a/src/com/android/settings/backup/BackupSettingsActivity.java
+++ b/src/com/android/settings/backup/BackupSettingsActivity.java
@@ -23,7 +23,7 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/backup/BackupSettingsHelper.java b/src/com/android/settings/backup/BackupSettingsHelper.java
index d0a029c..15f1dab 100644
--- a/src/com/android/settings/backup/BackupSettingsHelper.java
+++ b/src/com/android/settings/backup/BackupSettingsHelper.java
@@ -24,7 +24,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/backup/BackupSettingsPreferenceController.java b/src/com/android/settings/backup/BackupSettingsPreferenceController.java
index d25d2f5..ec0c011 100644
--- a/src/com/android/settings/backup/BackupSettingsPreferenceController.java
+++ b/src/com/android/settings/backup/BackupSettingsPreferenceController.java
@@ -19,8 +19,8 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/backup/ToggleBackupSettingFragment.java b/src/com/android/settings/backup/ToggleBackupSettingFragment.java
index cd3471b..d7ff0e6 100644
--- a/src/com/android/settings/backup/ToggleBackupSettingFragment.java
+++ b/src/com/android/settings/backup/ToggleBackupSettingFragment.java
@@ -9,9 +9,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.View;
 import android.widget.TextView;
diff --git a/src/com/android/settings/bluetooth/AlwaysDiscoverable.java b/src/com/android/settings/bluetooth/AlwaysDiscoverable.java
index 5d7cbd5..6f74b54 100644
--- a/src/com/android/settings/bluetooth/AlwaysDiscoverable.java
+++ b/src/com/android/settings/bluetooth/AlwaysDiscoverable.java
@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Handler;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
diff --git a/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java
index 01c1ff6..930d9ff 100644
--- a/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java
@@ -18,14 +18,14 @@
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 /**
  * Controller to maintain available media Bluetooth devices
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
index 5cd8171..2080645 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.widget.ActionButtonPreference;
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsController.java
index 63d7b5c..6ea49a6 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsController.java
@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index 8679b55..dca7e20 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 import android.util.Pair;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java b/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java
index b976561..72effe4 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java
@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java b/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java
index ddb6179..9072354 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java
@@ -19,12 +19,12 @@
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settingslib.bluetooth.A2dpProfile;
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
index 1e82889..630c2c5 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
@@ -21,7 +21,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
index e422bdc..61bed17 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
@@ -21,9 +21,9 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
index 2cc6233..39a14ad 100644
--- a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
+++ b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
@@ -23,8 +23,8 @@
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Pair;
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java b/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java
index d6221ef..3b07bd3 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java
index bab7171..71335c7 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java b/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java
index 534e5f9..189df3a 100755
--- a/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java
+++ b/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java
@@ -24,7 +24,7 @@
 import android.content.SharedPreferences;
 import android.os.Handler;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java b/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java
index cacfa0c..8ce7017 100644
--- a/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.pm.PackageManager;
 import android.content.Context;
 import android.content.Intent;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDetail.java b/src/com/android/settings/bluetooth/BluetoothPairingDetail.java
index 1ab7f87..b3f6096 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingDetail.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDetail.java
@@ -22,7 +22,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
index 22cb3a6..f1960e8 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 /**
  * BluetoothPairingDialog asks the user to enter a PIN / Passkey / simple confirmation
diff --git a/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java b/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java
index 2aaf401..3d8d038 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
index 1ff1fce..21e8fb8 100644
--- a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
+++ b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
@@ -23,7 +23,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
diff --git a/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java b/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
index f01efad..7a731ec 100644
--- a/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
+++ b/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
@@ -26,7 +26,7 @@
 import android.content.IntentFilter;
 import android.net.Uri;
 import android.provider.SettingsSlicesContract;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java b/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java
index 5724ab4..62fc4ef 100644
--- a/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java
+++ b/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java
@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java
index d43290c..c22aa5a 100644
--- a/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java
@@ -19,8 +19,8 @@
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
diff --git a/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java b/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java
index 904d737..688fd27 100644
--- a/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java
+++ b/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java
@@ -20,10 +20,10 @@
 import android.bluetooth.BluetoothDevice;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
 import android.text.BidiFormatter;
 import android.util.Log;
 
diff --git a/src/com/android/settings/bluetooth/DevicePickerFragment.java b/src/com/android/settings/bluetooth/DevicePickerFragment.java
index 07cda3d..3a68653 100644
--- a/src/com/android/settings/bluetooth/DevicePickerFragment.java
+++ b/src/com/android/settings/bluetooth/DevicePickerFragment.java
@@ -25,7 +25,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 
diff --git a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
index d13a85f..d6cdb23 100644
--- a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
+++ b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
@@ -23,7 +23,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
index 9ea8372..3ba3844 100644
--- a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
+++ b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
@@ -25,7 +25,7 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java
index f087c6a..1dfa647 100644
--- a/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java
@@ -18,13 +18,13 @@
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 /**
diff --git a/src/com/android/settings/bluetooth/Utils.java b/src/com/android/settings/bluetooth/Utils.java
index f5377f5..daaac31 100755
--- a/src/com/android/settings/bluetooth/Utils.java
+++ b/src/com/android/settings/bluetooth/Utils.java
@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.widget.Toast;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java b/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java
index da6d86f..9730515 100644
--- a/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java
+++ b/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
@@ -31,7 +31,7 @@
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.Preference} for add
+ * Controller to maintain the {@link androidx.preference.Preference} for add
  * device. It monitor Bluetooth's status(on/off) and decide if need to show summary or not.
  */
 public class AddDevicePreferenceController extends BasePreferenceController
diff --git a/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceController.java b/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceController.java
index 3976c92..b089b4a 100644
--- a/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceController.java
+++ b/src/com/android/settings/connecteddevice/AdvancedConnectedDeviceController.java
@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.nfc.NfcPreferenceController;
diff --git a/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java b/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java
index 6fa7d1b..f94e81a 100644
--- a/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java
@@ -19,10 +19,10 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.bluetooth.AvailableMediaBluetoothDeviceUpdater;
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.bluetooth.Utils;
@@ -37,7 +37,7 @@
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
+ * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all
  * available media devices. It uses {@link DevicePreferenceCallback}
  * to add/remove {@link Preference}
  */
diff --git a/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java b/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java
index 565bd48..b30aff1 100644
--- a/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java
@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
index 482c45f..cf6bd13 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
@@ -18,7 +18,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java b/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
index e97683d..aa0b6cd 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
@@ -17,10 +17,10 @@
 
 import android.content.pm.PackageManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.bluetooth.ConnectedBluetoothDeviceUpdater;
@@ -36,7 +36,7 @@
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
+ * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all
  * connected devices. It uses {@link DevicePreferenceCallback} to add/remove {@link Preference}
  */
 public class ConnectedDeviceGroupController extends BasePreferenceController
diff --git a/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java b/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java
index 5f04700..7ee2063 100644
--- a/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java
+++ b/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.connecteddevice;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 /**
  * Callback to add or remove {@link Preference} in device group.
diff --git a/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceController.java b/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceController.java
index 6d2b715..cafc0a3 100644
--- a/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceController.java
+++ b/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceController.java
@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 
diff --git a/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceController.java b/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceController.java
index ba3ee1f..81d6120 100644
--- a/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceController.java
+++ b/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceController.java
@@ -17,9 +17,9 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import android.util.Log;
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
diff --git a/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java b/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java
index 1826be5..4bc9cdd 100644
--- a/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java
@@ -17,10 +17,10 @@
 
 import android.content.pm.PackageManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;
diff --git a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
index 098cdb4..90df308 100644
--- a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
+++ b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
@@ -18,8 +18,8 @@
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbBackend.java b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
index 54811c8..e030757 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbBackend.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
@@ -24,7 +24,7 @@
 import android.net.ConnectivityManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 /**
  * Provides access to underlying system USB functionality.
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
index d77fe06..cb54216 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Handler;
-import android.support.annotation.UiThread;
+import androidx.annotation.UiThread;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
index 93ff19e..2e336e4 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
index 662abbf..d93df80 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
index 47545ca..8ae334c 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
index 8adffe7..c569e1f 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
@@ -17,7 +17,7 @@
 package com.android.settings.connecteddevice.usb;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
index 77a7eb4..ae21601 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
@@ -18,11 +18,11 @@
 
 import android.content.Context;
 import android.hardware.usb.UsbPort;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/core/BasePreferenceController.java b/src/com/android/settings/core/BasePreferenceController.java
index efd9448..64b2477 100644
--- a/src/com/android/settings/core/BasePreferenceController.java
+++ b/src/com/android/settings/core/BasePreferenceController.java
@@ -30,9 +30,9 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.List;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 /**
  * Abstract class to consolidate utility between preference controllers and act as an interface
diff --git a/src/com/android/settings/core/InstrumentedPreferenceFragment.java b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
index 278676c..3a3c3d9 100644
--- a/src/com/android/settings/core/InstrumentedPreferenceFragment.java
+++ b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.XmlRes;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.XmlRes;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/core/PreferenceXmlParserUtils.java b/src/com/android/settings/core/PreferenceXmlParserUtils.java
index 488e0f8..a0534ab 100644
--- a/src/com/android/settings/core/PreferenceXmlParserUtils.java
+++ b/src/com/android/settings/core/PreferenceXmlParserUtils.java
@@ -23,8 +23,8 @@
 import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
 import android.os.Bundle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/core/SliderPreferenceController.java b/src/com/android/settings/core/SliderPreferenceController.java
index a6e3a5b..65c71eb 100644
--- a/src/com/android/settings/core/SliderPreferenceController.java
+++ b/src/com/android/settings/core/SliderPreferenceController.java
@@ -15,7 +15,7 @@
 package com.android.settings.core;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.slices.SliceData;
 
@@ -36,8 +36,8 @@
         if (preference instanceof com.android.settings.widget.SeekBarPreference) {
             ((com.android.settings.widget.SeekBarPreference) preference)
                 .setProgress(getSliderPosition());
-        } else if (preference instanceof android.support.v7.preference.SeekBarPreference) {
-            ((android.support.v7.preference.SeekBarPreference) preference)
+        } else if (preference instanceof androidx.preference.SeekBarPreference) {
+            ((androidx.preference.SeekBarPreference) preference)
                 .setValue(getSliderPosition());
         }
     }
diff --git a/src/com/android/settings/core/SubSettingLauncher.java b/src/com/android/settings/core/SubSettingLauncher.java
index 91bd452..88fbb701 100644
--- a/src/com/android/settings/core/SubSettingLauncher.java
+++ b/src/com/android/settings/core/SubSettingLauncher.java
@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/core/TogglePreferenceController.java b/src/com/android/settings/core/TogglePreferenceController.java
index e01a38d..3a199b8 100644
--- a/src/com/android/settings/core/TogglePreferenceController.java
+++ b/src/com/android/settings/core/TogglePreferenceController.java
@@ -14,8 +14,8 @@
 package com.android.settings.core;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.slices.SliceData;
 import com.android.settings.widget.MasterSwitchPreference;
diff --git a/src/com/android/settings/dashboard/DashboardAdapter.java b/src/com/android/settings/dashboard/DashboardAdapter.java
index 52ca127..27b4525 100644
--- a/src/com/android/settings/dashboard/DashboardAdapter.java
+++ b/src/com/android/settings/dashboard/DashboardAdapter.java
@@ -21,10 +21,10 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.util.DiffUtil;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/dashboard/DashboardData.java b/src/com/android/settings/dashboard/DashboardData.java
index b180dd7..2ef4abe 100644
--- a/src/com/android/settings/dashboard/DashboardData.java
+++ b/src/com/android/settings/dashboard/DashboardData.java
@@ -18,8 +18,8 @@
 import android.annotation.IntDef;
 import android.graphics.drawable.Drawable;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.util.DiffUtil;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.DiffUtil;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/dashboard/DashboardFeatureProvider.java b/src/com/android/settings/dashboard/DashboardFeatureProvider.java
index 6c3f9cd..b1f66ae 100644
--- a/src/com/android/settings/dashboard/DashboardFeatureProvider.java
+++ b/src/com/android/settings/dashboard/DashboardFeatureProvider.java
@@ -17,7 +17,7 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
diff --git a/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java b/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java
index 6ea7fd7..c98c982 100644
--- a/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java
@@ -29,8 +29,8 @@
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
diff --git a/src/com/android/settings/dashboard/DashboardFragment.java b/src/com/android/settings/dashboard/DashboardFragment.java
index 90c781b..bef66c3 100644
--- a/src/com/android/settings/dashboard/DashboardFragment.java
+++ b/src/com/android/settings/dashboard/DashboardFragment.java
@@ -19,10 +19,10 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
diff --git a/src/com/android/settings/dashboard/DashboardItemAnimator.java b/src/com/android/settings/dashboard/DashboardItemAnimator.java
index 88e69e5..73224ab 100644
--- a/src/com/android/settings/dashboard/DashboardItemAnimator.java
+++ b/src/com/android/settings/dashboard/DashboardItemAnimator.java
@@ -15,9 +15,9 @@
  */
 package com.android.settings.dashboard;
 
-import android.support.v4.view.ViewCompat;
-import android.support.v7.widget.DefaultItemAnimator;
-import android.support.v7.widget.RecyclerView.ViewHolder;
+import androidx.core.view.ViewCompat;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 import com.android.settingslib.drawer.Tile;
 
 public class DashboardItemAnimator extends DefaultItemAnimator {
diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index 20033b6..e680afd 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java
@@ -22,9 +22,9 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.recyclerview.widget.LinearLayoutManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java b/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java
index 97a5c35..7b53275 100644
--- a/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java
+++ b/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.dashboard;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/dashboard/RoundedHomepageIcon.java b/src/com/android/settings/dashboard/RoundedHomepageIcon.java
index d63b80a..77acaf3 100644
--- a/src/com/android/settings/dashboard/RoundedHomepageIcon.java
+++ b/src/com/android/settings/dashboard/RoundedHomepageIcon.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.dashboard;
 
-import static android.support.annotation.VisibleForTesting.NONE;
+import static androidx.annotation.VisibleForTesting.NONE;
 
 import android.content.Context;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/dashboard/SummaryLoader.java b/src/com/android/settings/dashboard/SummaryLoader.java
index c91882d..a971131 100644
--- a/src/com/android/settings/dashboard/SummaryLoader.java
+++ b/src/com/android/settings/dashboard/SummaryLoader.java
@@ -25,7 +25,7 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
diff --git a/src/com/android/settings/dashboard/conditional/Condition.java b/src/com/android/settings/dashboard/conditional/Condition.java
index f2905b9..f3a3b9c 100644
--- a/src/com/android/settings/dashboard/conditional/Condition.java
+++ b/src/com/android/settings/dashboard/conditional/Condition.java
@@ -21,7 +21,7 @@
 import android.content.IntentFilter;
 import android.graphics.drawable.Drawable;
 import android.os.PersistableBundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.overlay.FeatureFactory;
diff --git a/src/com/android/settings/dashboard/conditional/ConditionAdapter.java b/src/com/android/settings/dashboard/conditional/ConditionAdapter.java
index a656cc7..923f124 100644
--- a/src/com/android/settings/dashboard/conditional/ConditionAdapter.java
+++ b/src/com/android/settings/dashboard/conditional/ConditionAdapter.java
@@ -16,9 +16,9 @@
 package com.android.settings.dashboard.conditional;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/dashboard/conditional/DndCondition.java b/src/com/android/settings/dashboard/conditional/DndCondition.java
index 405ed81..6bcc67e 100644
--- a/src/com/android/settings/dashboard/conditional/DndCondition.java
+++ b/src/com/android/settings/dashboard/conditional/DndCondition.java
@@ -25,7 +25,7 @@
 import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java b/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java
index af51ed5..fc44d0d 100644
--- a/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java
+++ b/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java
@@ -16,8 +16,8 @@
 package com.android.settings.dashboard.conditional;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.AttributeSet;
 
 /**
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java b/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java
index 9c82eed..4a3bc33 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java
@@ -23,8 +23,8 @@
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java
index f913085..ef3513c 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.Pair;
 
 import com.android.settingslib.drawer.Tile;
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
index 257e8c3..6ff7ef3 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.Log;
 import android.util.Pair;
 
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java b/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java
index 86011ec..1474f83 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java
@@ -25,7 +25,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.overlay.FeatureFactory;
diff --git a/src/com/android/settings/datausage/AppDataUsage.java b/src/com/android/settings/datausage/AppDataUsage.java
index 760692f..79adfda 100644
--- a/src/com/android/settings/datausage/AppDataUsage.java
+++ b/src/com/android/settings/datausage/AppDataUsage.java
@@ -32,9 +32,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.ArraySet;
 import android.util.IconDrawableFactory;
 import android.util.Log;
diff --git a/src/com/android/settings/datausage/AppDataUsagePreference.java b/src/com/android/settings/datausage/AppDataUsagePreference.java
index e34aaee..7595eb5 100644
--- a/src/com/android/settings/datausage/AppDataUsagePreference.java
+++ b/src/com/android/settings/datausage/AppDataUsagePreference.java
@@ -15,7 +15,7 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 import android.widget.ProgressBar;
 
diff --git a/src/com/android/settings/datausage/AppPrefLoader.java b/src/com/android/settings/datausage/AppPrefLoader.java
index b684813..690ac2d 100644
--- a/src/com/android/settings/datausage/AppPrefLoader.java
+++ b/src/com/android/settings/datausage/AppPrefLoader.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.ArraySet;
 import com.android.settingslib.utils.AsyncLoader;
 
diff --git a/src/com/android/settings/datausage/BillingCyclePreference.java b/src/com/android/settings/datausage/BillingCyclePreference.java
index 6fb0df6..9ed6ea7 100644
--- a/src/com/android/settings/datausage/BillingCyclePreference.java
+++ b/src/com/android/settings/datausage/BillingCyclePreference.java
@@ -21,7 +21,7 @@
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.os.RemoteException;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.FeatureFlagUtils;
 
diff --git a/src/com/android/settings/datausage/BillingCycleSettings.java b/src/com/android/settings/datausage/BillingCycleSettings.java
index c0bf16a..5cdf22a 100644
--- a/src/com/android/settings/datausage/BillingCycleSettings.java
+++ b/src/com/android/settings/datausage/BillingCycleSettings.java
@@ -27,8 +27,8 @@
 import android.net.NetworkPolicy;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.format.Time;
 import android.util.FeatureFlagUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/datausage/CellDataPreference.java b/src/com/android/settings/datausage/CellDataPreference.java
index b93fe66..fb97cd8 100644
--- a/src/com/android/settings/datausage/CellDataPreference.java
+++ b/src/com/android/settings/datausage/CellDataPreference.java
@@ -25,9 +25,9 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
@@ -57,7 +57,7 @@
 
     public CellDataPreference(Context context, AttributeSet attrs) {
         super(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.switchPreferenceStyle,
+                androidx.preference.R.attr.switchPreferenceStyle,
                 android.R.attr.switchPreferenceStyle));
     }
 
diff --git a/src/com/android/settings/datausage/ChartDataUsagePreference.java b/src/com/android/settings/datausage/ChartDataUsagePreference.java
index 3ddfd47..2a58840 100644
--- a/src/com/android/settings/datausage/ChartDataUsagePreference.java
+++ b/src/com/android/settings/datausage/ChartDataUsagePreference.java
@@ -18,9 +18,9 @@
 import android.net.NetworkPolicy;
 import android.net.NetworkStatsHistory;
 import android.net.TrafficStats;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.format.Formatter;
diff --git a/src/com/android/settings/datausage/DataSaverPreference.java b/src/com/android/settings/datausage/DataSaverPreference.java
index f1f648a..3e29896 100644
--- a/src/com/android/settings/datausage/DataSaverPreference.java
+++ b/src/com/android/settings/datausage/DataSaverPreference.java
@@ -15,7 +15,7 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/datausage/DataSaverSummary.java b/src/com/android/settings/datausage/DataSaverSummary.java
index a3fc98d..47887b3 100644
--- a/src/com/android/settings/datausage/DataSaverSummary.java
+++ b/src/com/android/settings/datausage/DataSaverSummary.java
@@ -16,7 +16,7 @@
 
 import android.app.Application;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/datausage/DataUsageList.java b/src/com/android/settings/datausage/DataUsageList.java
index 8c77198..2ab75ee 100644
--- a/src/com/android/settings/datausage/DataUsageList.java
+++ b/src/com/android/settings/datausage/DataUsageList.java
@@ -41,9 +41,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/datausage/DataUsagePreference.java b/src/com/android/settings/datausage/DataUsagePreference.java
index 9d0b104..9e6684c 100644
--- a/src/com/android/settings/datausage/DataUsagePreference.java
+++ b/src/com/android/settings/datausage/DataUsagePreference.java
@@ -19,8 +19,8 @@
 import android.content.res.TypedArray;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.FeatureFlagUtils;
 
@@ -41,7 +41,7 @@
         final TypedArray a = context.obtainStyledAttributes(
                 attrs, new int[] {com.android.internal.R.attr.title},
                 TypedArrayUtils.getAttr(
-                        context, android.support.v7.preference.R.attr.preferenceStyle,
+                        context, androidx.preference.R.attr.preferenceStyle,
                         android.R.attr.preferenceStyle), 0);
         mTitleRes = a.getResourceId(0, 0);
         a.recycle();
diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index afe148d..b6e72dd 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java
@@ -21,9 +21,9 @@
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;
diff --git a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java b/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
index 090e8e4..1818b30 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
@@ -23,9 +23,9 @@
 import android.os.Bundle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.text.BidiFormatter;
diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreference.java b/src/com/android/settings/datausage/DataUsageSummaryPreference.java
index 969d6fd..b687127 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryPreference.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreference.java
@@ -22,8 +22,8 @@
 import android.graphics.Typeface;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
index 0767f7a..e973e61 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
@@ -21,9 +21,9 @@
 import android.content.Intent;
 import android.net.NetworkPolicyManager;
 import android.net.NetworkTemplate;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.recyclerview.widget.RecyclerView;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;
diff --git a/src/com/android/settings/datausage/NetworkRestrictionsPreference.java b/src/com/android/settings/datausage/NetworkRestrictionsPreference.java
index e2e9d1e..e4c6bed 100644
--- a/src/com/android/settings/datausage/NetworkRestrictionsPreference.java
+++ b/src/com/android/settings/datausage/NetworkRestrictionsPreference.java
@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.net.NetworkTemplate;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 public class NetworkRestrictionsPreference extends Preference implements TemplatePreference {
diff --git a/src/com/android/settings/datausage/SpinnerPreference.java b/src/com/android/settings/datausage/SpinnerPreference.java
index 8372883..c0355b1 100644
--- a/src/com/android/settings/datausage/SpinnerPreference.java
+++ b/src/com/android/settings/datausage/SpinnerPreference.java
@@ -15,8 +15,8 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.AdapterView;
diff --git a/src/com/android/settings/datausage/TemplatePreferenceCategory.java b/src/com/android/settings/datausage/TemplatePreferenceCategory.java
index 0be5c73..814a259 100644
--- a/src/com/android/settings/datausage/TemplatePreferenceCategory.java
+++ b/src/com/android/settings/datausage/TemplatePreferenceCategory.java
@@ -16,8 +16,8 @@
 
 import android.content.Context;
 import android.net.NetworkTemplate;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 public class TemplatePreferenceCategory extends PreferenceCategory implements TemplatePreference {
diff --git a/src/com/android/settings/datausage/UnrestrictedDataAccess.java b/src/com/android/settings/datausage/UnrestrictedDataAccess.java
index 83ff755..7aa716c 100644
--- a/src/com/android/settings/datausage/UnrestrictedDataAccess.java
+++ b/src/com/android/settings/datausage/UnrestrictedDataAccess.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java b/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java
index 15b7402..42ea41a 100644
--- a/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.provider.Settings;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/datetime/AutoTimePreferenceController.java b/src/com/android/settings/datetime/AutoTimePreferenceController.java
index 3da712a..22c01ec 100644
--- a/src/com/android/settings/datetime/AutoTimePreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimePreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java b/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java
index d4bd59b..f9a4821 100644
--- a/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.Utils;
diff --git a/src/com/android/settings/datetime/DatePreferenceController.java b/src/com/android/settings/datetime/DatePreferenceController.java
index d2a8686..856722c 100644
--- a/src/com/android/settings/datetime/DatePreferenceController.java
+++ b/src/com/android/settings/datetime/DatePreferenceController.java
@@ -20,8 +20,8 @@
 import android.app.AlarmManager;
 import android.app.DatePickerDialog;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.widget.DatePicker;
diff --git a/src/com/android/settings/datetime/TimeFormatPreferenceController.java b/src/com/android/settings/datetime/TimeFormatPreferenceController.java
index 302c624..2be6b80 100644
--- a/src/com/android/settings/datetime/TimeFormatPreferenceController.java
+++ b/src/com/android/settings/datetime/TimeFormatPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 
diff --git a/src/com/android/settings/datetime/TimePreferenceController.java b/src/com/android/settings/datetime/TimePreferenceController.java
index 684ad0c..5817371 100644
--- a/src/com/android/settings/datetime/TimePreferenceController.java
+++ b/src/com/android/settings/datetime/TimePreferenceController.java
@@ -20,7 +20,7 @@
 import android.app.AlarmManager;
 import android.app.TimePickerDialog;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.widget.TimePicker;
diff --git a/src/com/android/settings/datetime/TimeZonePreferenceController.java b/src/com/android/settings/datetime/TimeZonePreferenceController.java
index aff204d..743cb33 100644
--- a/src/com/android/settings/datetime/TimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/TimeZonePreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.datetime;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.core.FeatureFlags;
diff --git a/src/com/android/settings/datetime/ZonePicker.java b/src/com/android/settings/datetime/ZonePicker.java
index dc69127..559a8b3 100644
--- a/src/com/android/settings/datetime/ZonePicker.java
+++ b/src/com/android/settings/datetime/ZonePicker.java
@@ -22,7 +22,7 @@
 import android.app.ListFragment;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java b/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java
index f83d841..1a868b8 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java
@@ -17,11 +17,11 @@
 package com.android.settings.datetime.timezone;
 
 import android.icu.text.BreakIterator;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java b/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java
index 4d46c5c..83b85c0 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java
@@ -23,7 +23,7 @@
 import android.icu.text.DateFormat;
 import android.icu.text.SimpleDateFormat;
 import android.icu.util.Calendar;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.android.settings.R;
 import com.android.settings.datetime.timezone.model.TimeZoneData;
diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java b/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java
index 7bf8abc..6d93ac9 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java
@@ -17,9 +17,9 @@
 package com.android.settings.datetime.timezone;
 
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java b/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java
index 846fce0..3e731f6 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.datetime.timezone;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 
diff --git a/src/com/android/settings/datetime/timezone/RegionPreferenceController.java b/src/com/android/settings/datetime/timezone/RegionPreferenceController.java
index 201b9bd..efb3e4d 100644
--- a/src/com/android/settings/datetime/timezone/RegionPreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/RegionPreferenceController.java
@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.icu.text.LocaleDisplayNames;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import java.util.Locale;
 
diff --git a/src/com/android/settings/datetime/timezone/RegionSearchPicker.java b/src/com/android/settings/datetime/timezone/RegionSearchPicker.java
index 134b6ac..e660c33 100644
--- a/src/com/android/settings/datetime/timezone/RegionSearchPicker.java
+++ b/src/com/android/settings/datetime/timezone/RegionSearchPicker.java
@@ -21,7 +21,7 @@
 import android.icu.text.Collator;
 import android.icu.text.LocaleDisplayNames;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/datetime/timezone/RegionZonePicker.java b/src/com/android/settings/datetime/timezone/RegionZonePicker.java
index add50b8..7a3378a 100644
--- a/src/com/android/settings/datetime/timezone/RegionZonePicker.java
+++ b/src/com/android/settings/datetime/timezone/RegionZonePicker.java
@@ -21,8 +21,8 @@
 import android.icu.text.LocaleDisplayNames;
 import android.icu.util.TimeZone;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java b/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java
index 85f4165..79539c3 100644
--- a/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.datetime.timezone;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java b/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java
index 71936f0..c64726f 100644
--- a/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java
@@ -24,8 +24,8 @@
 import android.icu.util.Calendar;
 import android.icu.util.TimeZone;
 import android.icu.util.TimeZoneTransition;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.widget.FooterPreference;
diff --git a/src/com/android/settings/datetime/timezone/TimeZoneSettings.java b/src/com/android/settings/datetime/timezone/TimeZoneSettings.java
index edd1d25..3548899 100644
--- a/src/com/android/settings/datetime/timezone/TimeZoneSettings.java
+++ b/src/com/android/settings/datetime/timezone/TimeZoneSettings.java
@@ -23,8 +23,8 @@
 import android.content.SharedPreferences;
 import android.icu.util.TimeZone;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
diff --git a/src/com/android/settings/datetime/timezone/model/TimeZoneData.java b/src/com/android/settings/datetime/timezone/model/TimeZoneData.java
index 14fc9a1..c914845 100644
--- a/src/com/android/settings/datetime/timezone/model/TimeZoneData.java
+++ b/src/com/android/settings/datetime/timezone/model/TimeZoneData.java
@@ -15,8 +15,8 @@
  */
 package com.android.settings.datetime.timezone.model;
 
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.util.ArraySet;
+import androidx.annotation.VisibleForTesting;
+import androidx.collection.ArraySet;
 
 import libcore.util.CountryTimeZones;
 import libcore.util.CountryZonesFinder;
diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java
index 23fc35b..92aa612 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java
@@ -16,8 +16,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
 
diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java
index 5902545..9e41e62 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java
@@ -20,9 +20,9 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java
index c02fb10..011deff 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
index e00d88d..9608f17 100644
--- a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
+++ b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
@@ -21,10 +21,10 @@
 import android.bluetooth.BluetoothCodecStatus;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/AdbPreferenceController.java b/src/com/android/settings/development/AdbPreferenceController.java
index 7be3213..86622ee 100644
--- a/src/com/android/settings/development/AdbPreferenceController.java
+++ b/src/com/android/settings/development/AdbPreferenceController.java
@@ -18,8 +18,8 @@
 
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.AbstractEnableAdbPreferenceController;
diff --git a/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java b/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java
index 5a28477..c785bb6 100644
--- a/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java
+++ b/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java b/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java
index de66150..3594395 100644
--- a/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java
+++ b/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/AppsNotRespondingPreferenceController.java b/src/com/android/settings/development/AppsNotRespondingPreferenceController.java
index 6d43eee..19db369 100644
--- a/src/com/android/settings/development/AppsNotRespondingPreferenceController.java
+++ b/src/com/android/settings/development/AppsNotRespondingPreferenceController.java
@@ -17,9 +17,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java b/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java
index 9049959..7333aad6 100644
--- a/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java
+++ b/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java
@@ -20,9 +20,9 @@
 import android.app.IActivityManager;
 import android.content.Context;
 import android.os.RemoteException;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java b/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java
index 01ec156..6ba0a80 100644
--- a/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java b/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java
index e55e9de..4ea2456 100644
--- a/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java
+++ b/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java b/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java
index ba75b35..688f125 100644
--- a/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java b/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java
index 5a9977b..3e913bd 100644
--- a/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java
+++ b/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java b/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java
index 9737b67..6ad3689 100644
--- a/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java
@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java b/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java
index 0dd5d26..4b1bf5c 100644
--- a/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/BugReportInPowerPreferenceController.java b/src/com/android/settings/development/BugReportInPowerPreferenceController.java
index 0adce37..22b9f2b 100644
--- a/src/com/android/settings/development/BugReportInPowerPreferenceController.java
+++ b/src/com/android/settings/development/BugReportInPowerPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/CameraLaserSensorPreferenceController.java b/src/com/android/settings/development/CameraLaserSensorPreferenceController.java
index bc94e73..74f8794 100644
--- a/src/com/android/settings/development/CameraLaserSensorPreferenceController.java
+++ b/src/com/android/settings/development/CameraLaserSensorPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/development/ClearAdbKeysPreferenceController.java b/src/com/android/settings/development/ClearAdbKeysPreferenceController.java
index d168df6..9598b37 100644
--- a/src/com/android/settings/development/ClearAdbKeysPreferenceController.java
+++ b/src/com/android/settings/development/ClearAdbKeysPreferenceController.java
@@ -22,9 +22,9 @@
 import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/development/ColorModePreference.java b/src/com/android/settings/development/ColorModePreference.java
index 20af2c6..54ca468 100644
--- a/src/com/android/settings/development/ColorModePreference.java
+++ b/src/com/android/settings/development/ColorModePreference.java
@@ -21,7 +21,7 @@
 import android.hardware.display.DisplayManager.DisplayListener;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.AttributeSet;
 import android.view.Display;
 
diff --git a/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java b/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java
index 0c26e58..ae459ac 100644
--- a/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java
+++ b/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.widget.Toast;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/DarkUIPreferenceController.java b/src/com/android/settings/development/DarkUIPreferenceController.java
index a2c928c..fc45771 100644
--- a/src/com/android/settings/development/DarkUIPreferenceController.java
+++ b/src/com/android/settings/development/DarkUIPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.app.UiModeManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java b/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java
index f0fd8f9..9b3f1d8 100644
--- a/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java
+++ b/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 
diff --git a/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java b/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java
index 6dd9412..03e3dab 100644
--- a/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java
+++ b/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 
diff --git a/src/com/android/settings/development/DebugViewAttributesPreferenceController.java b/src/com/android/settings/development/DebugViewAttributesPreferenceController.java
index fccfe28..8950b86 100644
--- a/src/com/android/settings/development/DebugViewAttributesPreferenceController.java
+++ b/src/com/android/settings/development/DebugViewAttributesPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
index 20a80d1..8518c74 100644
--- a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
+++ b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
@@ -28,8 +28,8 @@
 import android.os.Bundle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/development/DevelopmentSwitchBarController.java b/src/com/android/settings/development/DevelopmentSwitchBarController.java
index 79a8310..84b7f9f 100644
--- a/src/com/android/settings/development/DevelopmentSwitchBarController.java
+++ b/src/com/android/settings/development/DevelopmentSwitchBarController.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.development;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.settings.Utils;
 import com.android.settings.widget.SwitchBar;
diff --git a/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java b/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java
index d45e6b4..5ecb676 100644
--- a/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java b/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java
index 973868b..8ad61e5 100644
--- a/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java
+++ b/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java
@@ -27,10 +27,10 @@
 import android.text.TextUtils;
 import android.view.DisplayCutout;
 
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java b/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java
index cb02a40..8666368 100644
--- a/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java
+++ b/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java b/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java
index 58b6392..9882975 100644
--- a/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java
+++ b/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/FileEncryptionPreferenceController.java b/src/com/android/settings/development/FileEncryptionPreferenceController.java
index 263b9da..f8326ab 100644
--- a/src/com/android/settings/development/FileEncryptionPreferenceController.java
+++ b/src/com/android/settings/development/FileEncryptionPreferenceController.java
@@ -21,8 +21,8 @@
 import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.os.storage.IStorageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/ForceGpuRenderingPreferenceController.java b/src/com/android/settings/development/ForceGpuRenderingPreferenceController.java
index 72074cb..82ab190 100644
--- a/src/com/android/settings/development/ForceGpuRenderingPreferenceController.java
+++ b/src/com/android/settings/development/ForceGpuRenderingPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/ForceMSAAPreferenceController.java b/src/com/android/settings/development/ForceMSAAPreferenceController.java
index 4fd1f3b..17b5e4b 100644
--- a/src/com/android/settings/development/ForceMSAAPreferenceController.java
+++ b/src/com/android/settings/development/ForceMSAAPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/FreeformWindowsPreferenceController.java b/src/com/android/settings/development/FreeformWindowsPreferenceController.java
index 90aad28..e6c3813 100644
--- a/src/com/android/settings/development/FreeformWindowsPreferenceController.java
+++ b/src/com/android/settings/development/FreeformWindowsPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java b/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java
index 10455eb..a761376 100644
--- a/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java b/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java
index d52bb69..6b8ead5 100644
--- a/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java b/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java
index 77cca91..4c501b6 100644
--- a/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/HardwareOverlaysPreferenceController.java b/src/com/android/settings/development/HardwareOverlaysPreferenceController.java
index 51cde9e..69f1ba1 100644
--- a/src/com/android/settings/development/HardwareOverlaysPreferenceController.java
+++ b/src/com/android/settings/development/HardwareOverlaysPreferenceController.java
@@ -21,9 +21,9 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/HdcpCheckingPreferenceController.java b/src/com/android/settings/development/HdcpCheckingPreferenceController.java
index 4c5b1e2..6dcca77 100644
--- a/src/com/android/settings/development/HdcpCheckingPreferenceController.java
+++ b/src/com/android/settings/development/HdcpCheckingPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/KeepActivitiesPreferenceController.java b/src/com/android/settings/development/KeepActivitiesPreferenceController.java
index 169d39b..839397b 100644
--- a/src/com/android/settings/development/KeepActivitiesPreferenceController.java
+++ b/src/com/android/settings/development/KeepActivitiesPreferenceController.java
@@ -21,10 +21,10 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java b/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java
index 22e2e2e..18e3a06 100644
--- a/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java
+++ b/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java
@@ -21,8 +21,8 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/LocalTerminalPreferenceController.java b/src/com/android/settings/development/LocalTerminalPreferenceController.java
index c782400..be60ed7 100644
--- a/src/com/android/settings/development/LocalTerminalPreferenceController.java
+++ b/src/com/android/settings/development/LocalTerminalPreferenceController.java
@@ -3,10 +3,10 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/LogPersistPreferenceController.java b/src/com/android/settings/development/LogPersistPreferenceController.java
index 8e99a63..9c7a037 100644
--- a/src/com/android/settings/development/LogPersistPreferenceController.java
+++ b/src/com/android/settings/development/LogPersistPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/development/LogdSizePreferenceController.java b/src/com/android/settings/development/LogdSizePreferenceController.java
index 36f07c8..cae0766 100644
--- a/src/com/android/settings/development/LogdSizePreferenceController.java
+++ b/src/com/android/settings/development/LogdSizePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.AbstractLogdSizePreferenceController;
diff --git a/src/com/android/settings/development/MemoryUsagePreferenceController.java b/src/com/android/settings/development/MemoryUsagePreferenceController.java
index 4b4fa68..8412079 100644
--- a/src/com/android/settings/development/MemoryUsagePreferenceController.java
+++ b/src/com/android/settings/development/MemoryUsagePreferenceController.java
@@ -17,9 +17,9 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.Formatter;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java b/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java
index e90deb1..031ff9e 100644
--- a/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java
+++ b/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/MockLocationAppPreferenceController.java b/src/com/android/settings/development/MockLocationAppPreferenceController.java
index 3e342c1..bbce582 100644
--- a/src/com/android/settings/development/MockLocationAppPreferenceController.java
+++ b/src/com/android/settings/development/MockLocationAppPreferenceController.java
@@ -26,7 +26,7 @@
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java b/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java
index e451017..5e159c6 100644
--- a/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java
+++ b/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/OemUnlockPreferenceController.java b/src/com/android/settings/development/OemUnlockPreferenceController.java
index 95fe9b5..243cd3f 100644
--- a/src/com/android/settings/development/OemUnlockPreferenceController.java
+++ b/src/com/android/settings/development/OemUnlockPreferenceController.java
@@ -26,9 +26,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.service.oemlock.OemLockManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/PictureColorModePreferenceController.java b/src/com/android/settings/development/PictureColorModePreferenceController.java
index d6dd363..fe07083 100644
--- a/src/com/android/settings/development/PictureColorModePreferenceController.java
+++ b/src/com/android/settings/development/PictureColorModePreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/development/PointerLocationPreferenceController.java b/src/com/android/settings/development/PointerLocationPreferenceController.java
index 18bc086..079184c 100644
--- a/src/com/android/settings/development/PointerLocationPreferenceController.java
+++ b/src/com/android/settings/development/PointerLocationPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java b/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java
index a8ee9ae..ba9ce77 100644
--- a/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java
+++ b/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 
diff --git a/src/com/android/settings/development/ResizableActivityPreferenceController.java b/src/com/android/settings/development/ResizableActivityPreferenceController.java
index 4748cdb..9ae9216 100644
--- a/src/com/android/settings/development/ResizableActivityPreferenceController.java
+++ b/src/com/android/settings/development/ResizableActivityPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/RtlLayoutPreferenceController.java b/src/com/android/settings/development/RtlLayoutPreferenceController.java
index 7d6100c..a88f16f 100644
--- a/src/com/android/settings/development/RtlLayoutPreferenceController.java
+++ b/src/com/android/settings/development/RtlLayoutPreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.app.LocalePicker;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/SecondaryDisplayPreferenceController.java b/src/com/android/settings/development/SecondaryDisplayPreferenceController.java
index 24b44e2..21f9881 100644
--- a/src/com/android/settings/development/SecondaryDisplayPreferenceController.java
+++ b/src/com/android/settings/development/SecondaryDisplayPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java b/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java
index 38bfc98..8974c0a 100644
--- a/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/SelectDebugAppPreferenceController.java b/src/com/android/settings/development/SelectDebugAppPreferenceController.java
index 9ea90be..823bf2e 100644
--- a/src/com/android/settings/development/SelectDebugAppPreferenceController.java
+++ b/src/com/android/settings/development/SelectDebugAppPreferenceController.java
@@ -25,8 +25,8 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java b/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java
index a0e6592..f7f5b6d 100644
--- a/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java
+++ b/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java
@@ -20,7 +20,7 @@
 import android.content.pm.IShortcutService;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java b/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java
index e18943b..d0df9c8 100644
--- a/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java
+++ b/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java b/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java
index e4a3dca..4d3fdbf 100644
--- a/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java
+++ b/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.View;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java b/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java
index fd0b9a5..ffd3da2 100644
--- a/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java
@@ -21,9 +21,9 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/ShowTapsPreferenceController.java b/src/com/android/settings/development/ShowTapsPreferenceController.java
index 818d048..87fbf69 100644
--- a/src/com/android/settings/development/ShowTapsPreferenceController.java
+++ b/src/com/android/settings/development/ShowTapsPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/SimulateColorSpacePreferenceController.java b/src/com/android/settings/development/SimulateColorSpacePreferenceController.java
index aa3dcde..ed16b68 100644
--- a/src/com/android/settings/development/SimulateColorSpacePreferenceController.java
+++ b/src/com/android/settings/development/SimulateColorSpacePreferenceController.java
@@ -20,9 +20,9 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/StayAwakePreferenceController.java b/src/com/android/settings/development/StayAwakePreferenceController.java
index cb8bd88..31eb71a 100644
--- a/src/com/android/settings/development/StayAwakePreferenceController.java
+++ b/src/com/android/settings/development/StayAwakePreferenceController.java
@@ -23,9 +23,9 @@
 import android.os.BatteryManager;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/src/com/android/settings/development/StrictModePreferenceController.java b/src/com/android/settings/development/StrictModePreferenceController.java
index c2e3248..2af301c 100644
--- a/src/com/android/settings/development/StrictModePreferenceController.java
+++ b/src/com/android/settings/development/StrictModePreferenceController.java
@@ -21,9 +21,9 @@
 import android.os.ServiceManager;
 import android.os.StrictMode;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java b/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java
index 539319d..7174b45 100644
--- a/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java b/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java
index 22fbe5b..72b0bf3 100644
--- a/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java
+++ b/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java b/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java
index d8e7250..6f57f88 100644
--- a/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java
+++ b/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java b/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java
index 067f1c7..c73412d 100644
--- a/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java
+++ b/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java
index 064d8f6..f151134 100644
--- a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java
+++ b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java
@@ -22,8 +22,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/src/com/android/settings/development/WaitForDebuggerPreferenceController.java b/src/com/android/settings/development/WaitForDebuggerPreferenceController.java
index e5f5e9f..9959f12 100644
--- a/src/com/android/settings/development/WaitForDebuggerPreferenceController.java
+++ b/src/com/android/settings/development/WaitForDebuggerPreferenceController.java
@@ -26,9 +26,9 @@
 import android.content.Intent;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/WebViewAppPreferenceController.java b/src/com/android/settings/development/WebViewAppPreferenceController.java
index db891b2..7796cfd 100644
--- a/src/com/android/settings/development/WebViewAppPreferenceController.java
+++ b/src/com/android/settings/development/WebViewAppPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java b/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java
index e07c328..9582ebe 100644
--- a/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java
+++ b/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java b/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java
index a3e1a60..71ca8f1 100644
--- a/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java
+++ b/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java b/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java
index 701dfec..c3c9ca3 100644
--- a/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java
+++ b/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
diff --git a/src/com/android/settings/development/WindowAnimationScalePreferenceController.java b/src/com/android/settings/development/WindowAnimationScalePreferenceController.java
index c841295..6414372 100644
--- a/src/com/android/settings/development/WindowAnimationScalePreferenceController.java
+++ b/src/com/android/settings/development/WindowAnimationScalePreferenceController.java
@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
index b5a4a15..7dd8f28 100644
--- a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
+++ b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.development.featureflags;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.FeatureFlagUtils;
 
 public class FeatureFlagPreference extends SwitchPreference {
diff --git a/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java b/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java
index fe565ed..960979c 100644
--- a/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java
+++ b/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.development.featureflags;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
index 51fcb2c..71d3d07 100644
--- a/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
+++ b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
@@ -25,10 +25,10 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.service.quicksettings.TileService;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.statusbar.IStatusBarService;
diff --git a/src/com/android/settings/development/qstile/DevelopmentTiles.java b/src/com/android/settings/development/qstile/DevelopmentTiles.java
index c28a050..1094ab9 100644
--- a/src/com/android/settings/development/qstile/DevelopmentTiles.java
+++ b/src/com/android/settings/development/qstile/DevelopmentTiles.java
@@ -25,7 +25,7 @@
 import android.provider.Settings;
 import android.service.quicksettings.Tile;
 import android.service.quicksettings.TileService;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.view.IWindowManager;
 import android.view.ThreadedRenderer;
diff --git a/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java b/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java
index 9e78ae5..ca2175b 100644
--- a/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java
@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
index 46bc120..707d660 100644
--- a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
@@ -25,8 +25,8 @@
 import android.os.Build;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 import android.util.Pair;
diff --git a/src/com/android/settings/deviceinfo/DeviceInfoSettings.java b/src/com/android/settings/deviceinfo/DeviceInfoSettings.java
index 3f70d8b..5a4dfc2 100644
--- a/src/com/android/settings/deviceinfo/DeviceInfoSettings.java
+++ b/src/com/android/settings/deviceinfo/DeviceInfoSettings.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.TelephonyManager;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
index 831c630..1fc54cd 100644
--- a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
@@ -18,8 +18,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Build;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java b/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java
index 7913bb5..fc89dc1 100644
--- a/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java
+++ b/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java
@@ -23,8 +23,8 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.SpannedString;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java b/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java
index f3d7380..62077ca 100644
--- a/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java b/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java
index e2e2e2a..5272182 100644
--- a/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java
@@ -18,7 +18,7 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java b/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java
index 6169b44..58155af 100644
--- a/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java
@@ -21,7 +21,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java b/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java
index f3b98ed..c0ae99a 100644
--- a/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java
@@ -16,7 +16,7 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.DeviceInfoUtils;
diff --git a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
index 4eb2ddd..95cd09c 100644
--- a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
@@ -17,9 +17,9 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java b/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java
index 7958b37..54e0eef 100644
--- a/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java
+++ b/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java
@@ -36,10 +36,10 @@
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
 import android.provider.DocumentsContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
diff --git a/src/com/android/settings/deviceinfo/PublicVolumeSettings.java b/src/com/android/settings/deviceinfo/PublicVolumeSettings.java
index 85b7904..5982be6 100644
--- a/src/com/android/settings/deviceinfo/PublicVolumeSettings.java
+++ b/src/com/android/settings/deviceinfo/PublicVolumeSettings.java
@@ -28,8 +28,8 @@
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
 import android.provider.DocumentsContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
diff --git a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
index e8f9771..5575790 100644
--- a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
@@ -28,7 +28,7 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 import android.view.View;
 
diff --git a/src/com/android/settings/deviceinfo/StorageItemPreference.java b/src/com/android/settings/deviceinfo/StorageItemPreference.java
index 3dcf935..6cf85b1 100644
--- a/src/com/android/settings/deviceinfo/StorageItemPreference.java
+++ b/src/com/android/settings/deviceinfo/StorageItemPreference.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ProgressBar;
diff --git a/src/com/android/settings/deviceinfo/StorageProfileFragment.java b/src/com/android/settings/deviceinfo/StorageProfileFragment.java
index a312a81..5e66fdd 100644
--- a/src/com/android/settings/deviceinfo/StorageProfileFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageProfileFragment.java
@@ -24,7 +24,7 @@
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/deviceinfo/StorageSettings.java b/src/com/android/settings/deviceinfo/StorageSettings.java
index cf9d34b..9e4a1e2 100644
--- a/src/com/android/settings/deviceinfo/StorageSettings.java
+++ b/src/com/android/settings/deviceinfo/StorageSettings.java
@@ -35,10 +35,10 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
diff --git a/src/com/android/settings/deviceinfo/StorageSummaryPreference.java b/src/com/android/settings/deviceinfo/StorageSummaryPreference.java
index f97f049..292ee44 100644
--- a/src/com/android/settings/deviceinfo/StorageSummaryPreference.java
+++ b/src/com/android/settings/deviceinfo/StorageSummaryPreference.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.graphics.Color;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.MathUtils;
 import android.view.View;
 import android.widget.ProgressBar;
diff --git a/src/com/android/settings/deviceinfo/StorageVolumePreference.java b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
index c6a7514..b6466ca 100644
--- a/src/com/android/settings/deviceinfo/StorageVolumePreference.java
+++ b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
@@ -23,8 +23,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.format.Formatter;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java
index c857f19..21663f6 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java
index d995867..6dc651a 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java
@@ -17,7 +17,7 @@
 package com.android.settings.deviceinfo.firmwareversion;
 
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.BidiFormatter;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java
index 5794e12..2770245 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java
@@ -22,7 +22,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.view.View;
 
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java
index 7629890..785ec59 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Build;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java
index d583e04..0d816d5 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.deviceinfo.firmwareversion;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settingslib.DeviceInfoUtils;
diff --git a/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java
index 01f440d..cf8ee61 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
index f9555e2..71da4a3 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
index 11e66f1..3cc90e4 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
@@ -21,8 +21,8 @@
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
index 52ba94e..d673a28 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
@@ -20,9 +20,9 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
index 7cbf318..114e4e4 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
@@ -30,8 +30,8 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.CarrierConfigManager;
 import android.telephony.CellBroadcastMessage;
 import android.telephony.PhoneStateListener;
diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java
index 00910e4..3f71471 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
index 7724b00..9207803 100644
--- a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java b/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java
index 8225db3..f07af5e 100644
--- a/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java
+++ b/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 
 import com.android.settingslib.applications.StorageStatsSource;
diff --git a/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java b/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java
index d63436f..1eccb67 100644
--- a/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java
+++ b/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java
@@ -20,11 +20,11 @@
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
index 6b51be3..6ae4a6f 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
@@ -26,9 +26,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 
diff --git a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java
index cea6809..813261f 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java
@@ -21,8 +21,8 @@
 import android.graphics.Typeface;
 import android.os.storage.StorageManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextPaint;
diff --git a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java
index 24fd2ee..f4c33be 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 
diff --git a/src/com/android/settings/deviceinfo/storage/UserProfileController.java b/src/com/android/settings/deviceinfo/storage/UserProfileController.java
index 510b0c0..1778d13 100644
--- a/src/com/android/settings/deviceinfo/storage/UserProfileController.java
+++ b/src/com/android/settings/deviceinfo/storage/UserProfileController.java
@@ -21,8 +21,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java b/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java
index 236f55f..a9b047c 100644
--- a/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java
+++ b/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java
@@ -19,7 +19,7 @@
 import android.app.usage.StorageStatsManager;
 import android.content.Context;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settingslib.deviceinfo.PrivateStorageInfo;
 import com.android.settingslib.deviceinfo.StorageVolumeProvider;
diff --git a/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java b/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java
index 5c33596..0da5dbe 100644
--- a/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java
+++ b/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
diff --git a/src/com/android/settings/display/AmbientDisplayPreferenceController.java b/src/com/android/settings/display/AmbientDisplayPreferenceController.java
index 62223b0..f429b0df 100644
--- a/src/com/android/settings/display/AmbientDisplayPreferenceController.java
+++ b/src/com/android/settings/display/AmbientDisplayPreferenceController.java
@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;
diff --git a/src/com/android/settings/display/AppGridView.java b/src/com/android/settings/display/AppGridView.java
index 4b814d0..0027537 100644
--- a/src/com/android/settings/display/AppGridView.java
+++ b/src/com/android/settings/display/AppGridView.java
@@ -22,7 +22,7 @@
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.util.IconDrawableFactory;
 import android.view.View;
diff --git a/src/com/android/settings/display/AutoRotatePreferenceController.java b/src/com/android/settings/display/AutoRotatePreferenceController.java
index 324d66c..6bdf75a 100644
--- a/src/com/android/settings/display/AutoRotatePreferenceController.java
+++ b/src/com/android/settings/display/AutoRotatePreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/display/BatteryPercentagePreferenceController.java b/src/com/android/settings/display/BatteryPercentagePreferenceController.java
index 4493158..632e339 100644
--- a/src/com/android/settings/display/BatteryPercentagePreferenceController.java
+++ b/src/com/android/settings/display/BatteryPercentagePreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/display/BrightnessLevelPreferenceController.java b/src/com/android/settings/display/BrightnessLevelPreferenceController.java
index 4bb0a99..be79f66 100644
--- a/src/com/android/settings/display/BrightnessLevelPreferenceController.java
+++ b/src/com/android/settings/display/BrightnessLevelPreferenceController.java
@@ -28,9 +28,9 @@
 import android.provider.Settings;
 import android.provider.Settings.System;
 import android.service.vr.IVrManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/display/CameraGesturePreferenceController.java b/src/com/android/settings/display/CameraGesturePreferenceController.java
index d991302..9b1b2c2 100644
--- a/src/com/android/settings/display/CameraGesturePreferenceController.java
+++ b/src/com/android/settings/display/CameraGesturePreferenceController.java
@@ -16,8 +16,8 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/display/ColorModePreferenceFragment.java b/src/com/android/settings/display/ColorModePreferenceFragment.java
index 5e7a856..ab17c72 100644
--- a/src/com/android/settings/display/ColorModePreferenceFragment.java
+++ b/src/com/android/settings/display/ColorModePreferenceFragment.java
@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/display/LiftToWakePreferenceController.java b/src/com/android/settings/display/LiftToWakePreferenceController.java
index 7c2206b..42feda2 100644
--- a/src/com/android/settings/display/LiftToWakePreferenceController.java
+++ b/src/com/android/settings/display/LiftToWakePreferenceController.java
@@ -17,8 +17,8 @@
 import android.hardware.Sensor;
 import android.hardware.SensorManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/display/NightDisplayActivationPreferenceController.java b/src/com/android/settings/display/NightDisplayActivationPreferenceController.java
index 622aff8..ffc7386 100644
--- a/src/com/android/settings/display/NightDisplayActivationPreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayActivationPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/display/NightDisplayAutoModePreferenceController.java b/src/com/android/settings/display/NightDisplayAutoModePreferenceController.java
index 4ae15f2..bb42c85 100644
--- a/src/com/android/settings/display/NightDisplayAutoModePreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayAutoModePreferenceController.java
@@ -17,9 +17,9 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.internal.app.ColorDisplayController;
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/display/NightDisplayCustomEndTimePreferenceController.java b/src/com/android/settings/display/NightDisplayCustomEndTimePreferenceController.java
index f76e730..1eebb6b 100644
--- a/src/com/android/settings/display/NightDisplayCustomEndTimePreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayCustomEndTimePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.internal.app.ColorDisplayController;
 import com.android.settings.core.BasePreferenceController;
 
diff --git a/src/com/android/settings/display/NightDisplayCustomStartTimePreferenceController.java b/src/com/android/settings/display/NightDisplayCustomStartTimePreferenceController.java
index da54d87..19297b8 100644
--- a/src/com/android/settings/display/NightDisplayCustomStartTimePreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayCustomStartTimePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.internal.app.ColorDisplayController;
 import com.android.settings.core.BasePreferenceController;
 
diff --git a/src/com/android/settings/display/NightDisplayFooterPreferenceController.java b/src/com/android/settings/display/NightDisplayFooterPreferenceController.java
index 15dd501..2075cfc 100644
--- a/src/com/android/settings/display/NightDisplayFooterPreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayFooterPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.internal.app.ColorDisplayController;
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/display/NightDisplayIntensityPreferenceController.java b/src/com/android/settings/display/NightDisplayIntensityPreferenceController.java
index bb498ab..9f215d9 100644
--- a/src/com/android/settings/display/NightDisplayIntensityPreferenceController.java
+++ b/src/com/android/settings/display/NightDisplayIntensityPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.app.ColorDisplayController;
diff --git a/src/com/android/settings/display/NightDisplayPreference.java b/src/com/android/settings/display/NightDisplayPreference.java
index e463292..a1608d7 100644
--- a/src/com/android/settings/display/NightDisplayPreference.java
+++ b/src/com/android/settings/display/NightDisplayPreference.java
@@ -15,7 +15,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.app.ColorDisplayController;
diff --git a/src/com/android/settings/display/NightDisplaySettings.java b/src/com/android/settings/display/NightDisplaySettings.java
index e9bcde5..848ddd5 100644
--- a/src/com/android/settings/display/NightDisplaySettings.java
+++ b/src/com/android/settings/display/NightDisplaySettings.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/display/NightModePreferenceController.java b/src/com/android/settings/display/NightModePreferenceController.java
index 96ef938..41620ea 100644
--- a/src/com/android/settings/display/NightModePreferenceController.java
+++ b/src/com/android/settings/display/NightModePreferenceController.java
@@ -17,9 +17,9 @@
 
 import android.app.UiModeManager;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/display/ScreenSaverPreferenceController.java b/src/com/android/settings/display/ScreenSaverPreferenceController.java
index 6866f39..ae44bf3 100644
--- a/src/com/android/settings/display/ScreenSaverPreferenceController.java
+++ b/src/com/android/settings/display/ScreenSaverPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.dream.DreamSettings;
diff --git a/src/com/android/settings/display/ScreenZoomPreference.java b/src/com/android/settings/display/ScreenZoomPreference.java
index 9fe082d..8451a2d 100644
--- a/src/com/android/settings/display/ScreenZoomPreference.java
+++ b/src/com/android/settings/display/ScreenZoomPreference.java
@@ -17,8 +17,8 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 
@@ -31,7 +31,7 @@
 public class ScreenZoomPreference extends Preference {
     public ScreenZoomPreference(Context context, AttributeSet attrs) {
         super(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
 
         final DisplayDensityUtils density = new DisplayDensityUtils(context);
diff --git a/src/com/android/settings/display/ShowOperatorNamePreferenceController.java b/src/com/android/settings/display/ShowOperatorNamePreferenceController.java
index 4573c6d..cdb89fb 100644
--- a/src/com/android/settings/display/ShowOperatorNamePreferenceController.java
+++ b/src/com/android/settings/display/ShowOperatorNamePreferenceController.java
@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/display/SystemUiThemePreferenceController.java b/src/com/android/settings/display/SystemUiThemePreferenceController.java
index 3cdc85c..3419ece 100644
--- a/src/com/android/settings/display/SystemUiThemePreferenceController.java
+++ b/src/com/android/settings/display/SystemUiThemePreferenceController.java
@@ -20,9 +20,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/display/TapToWakePreferenceController.java b/src/com/android/settings/display/TapToWakePreferenceController.java
index c5a387d..ff149ba 100644
--- a/src/com/android/settings/display/TapToWakePreferenceController.java
+++ b/src/com/android/settings/display/TapToWakePreferenceController.java
@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/display/ThemePreferenceController.java b/src/com/android/settings/display/ThemePreferenceController.java
index c056834..abecc42 100644
--- a/src/com/android/settings/display/ThemePreferenceController.java
+++ b/src/com/android/settings/display/ThemePreferenceController.java
@@ -24,10 +24,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/display/TimeoutPreferenceController.java b/src/com/android/settings/display/TimeoutPreferenceController.java
index 07146f9..b2a638e 100644
--- a/src/com/android/settings/display/TimeoutPreferenceController.java
+++ b/src/com/android/settings/display/TimeoutPreferenceController.java
@@ -20,7 +20,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/display/VrDisplayPreferenceController.java b/src/com/android/settings/display/VrDisplayPreferenceController.java
index 7fdb19f..9ff2861 100644
--- a/src/com/android/settings/display/VrDisplayPreferenceController.java
+++ b/src/com/android/settings/display/VrDisplayPreferenceController.java
@@ -17,7 +17,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/display/WallpaperPreferenceController.java b/src/com/android/settings/display/WallpaperPreferenceController.java
index 9410b5a..3c0e947 100644
--- a/src/com/android/settings/display/WallpaperPreferenceController.java
+++ b/src/com/android/settings/display/WallpaperPreferenceController.java
@@ -19,7 +19,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/dream/CurrentDreamPreferenceController.java b/src/com/android/settings/dream/CurrentDreamPreferenceController.java
index 86143dd..fe33365 100644
--- a/src/com/android/settings/dream/CurrentDreamPreferenceController.java
+++ b/src/com/android/settings/dream/CurrentDreamPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.widget.GearPreference;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/dream/DreamSettings.java b/src/com/android/settings/dream/DreamSettings.java
index c0d4c40..73762bd 100644
--- a/src/com/android/settings/dream/DreamSettings.java
+++ b/src/com/android/settings/dream/DreamSettings.java
@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/dream/StartNowPreferenceController.java b/src/com/android/settings/dream/StartNowPreferenceController.java
index 256961b..0a6c1b6 100644
--- a/src/com/android/settings/dream/StartNowPreferenceController.java
+++ b/src/com/android/settings/dream/StartNowPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.widget.Button;
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
diff --git a/src/com/android/settings/dream/WhenToDreamPreferenceController.java b/src/com/android/settings/dream/WhenToDreamPreferenceController.java
index c4c6ed8..702812e 100644
--- a/src/com/android/settings/dream/WhenToDreamPreferenceController.java
+++ b/src/com/android/settings/dream/WhenToDreamPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.dream.DreamBackend;
diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java
index 37c5124..104b216 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java
@@ -51,7 +51,7 @@
         mDialogHelper.updateDialog(restriction, admin);
     }
 
-    @android.support.annotation.VisibleForTesting
+    @androidx.annotation.VisibleForTesting
     EnforcedAdmin getAdminDetailsFromIntent(Intent intent) {
         final EnforcedAdmin admin = new EnforcedAdmin(null, UserHandle.myUserId());
         if (intent == null) {
@@ -62,7 +62,7 @@
         return admin;
     }
 
-    @android.support.annotation.VisibleForTesting
+    @androidx.annotation.VisibleForTesting
     String getRestrictionFromIntent(Intent intent) {
         if (intent == null) return null;
         return intent.getStringExtra(DevicePolicyManager.EXTRA_RESTRICTION);
diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
index 528ab3f..026b79f 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
@@ -26,7 +26,7 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.IconDrawableFactory;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java b/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java
index 05e9519..520c436 100644
--- a/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java
@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.format.DateUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
index dd5ab34..93ed102 100644
--- a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
@@ -16,7 +16,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
index 883fd36..7b6d5df 100644
--- a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/enterprise/ApplicationListPreferenceController.java b/src/com/android/settings/enterprise/ApplicationListPreferenceController.java
index 8be7944..07a39e3 100644
--- a/src/com/android/settings/enterprise/ApplicationListPreferenceController.java
+++ b/src/com/android/settings/enterprise/ApplicationListPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java
index e328fc5..6e81482 100644
--- a/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java
@@ -15,8 +15,8 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java b/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java
index 94b923f..2d3f41a 100644
--- a/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java
+++ b/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java
@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class CaCertsManagedProfilePreferenceController extends CaCertsPreferenceControllerBase {
 
diff --git a/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java b/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java
index b9df20a..4220ccc 100644
--- a/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java
@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
index 1086c0e..9e8574f 100644
--- a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
index 11fc29e..e0c287d 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java
index 0927299..876d706 100644
--- a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java
@@ -21,10 +21,10 @@
 import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
index 0f9584b..63a552d 100644
--- a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
index 3c78c21..2a2a94e 100644
--- a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/enterprise/ImePreferenceController.java b/src/com/android/settings/enterprise/ImePreferenceController.java
index 7a4ea2c..fa4e7aa 100644
--- a/src/com/android/settings/enterprise/ImePreferenceController.java
+++ b/src/com/android/settings/enterprise/ImePreferenceController.java
@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java b/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java
index 7cfe7a9..e4f2e76 100644
--- a/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java
+++ b/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java
@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java b/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java
index 65be08a..95a534c 100644
--- a/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java
+++ b/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java
@@ -20,7 +20,7 @@
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.View;
 import android.widget.Button;
 
diff --git a/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java b/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java
index ab3ea37..226d718 100644
--- a/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java
+++ b/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java
@@ -24,7 +24,7 @@
 import android.media.MediaPlayer.OnInfoListener;
 import android.media.MediaPlayer.OnPreparedListener;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.Surface;
 import android.view.TextureView;
diff --git a/src/com/android/settings/fingerprint/FingerprintSettings.java b/src/com/android/settings/fingerprint/FingerprintSettings.java
index 992c04b..ed69189 100644
--- a/src/com/android/settings/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/fingerprint/FingerprintSettings.java
@@ -31,12 +31,12 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java b/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java
index 91af1ce..519f116 100644
--- a/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java
+++ b/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java
@@ -22,7 +22,7 @@
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java b/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java
index 2137130..78dcb80 100644
--- a/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java
+++ b/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java
@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
index 683395e..badcb53 100644
--- a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
@@ -29,8 +29,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
index 5c77373..a2ba9a9 100644
--- a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
@@ -37,8 +37,8 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.view.View;
 import android.webkit.IWebViewUpdateService;
diff --git a/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java b/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java
index d7bfbc7..7527db3 100644
--- a/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.overlay.FeatureFactory;
diff --git a/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java b/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java
index 092f627..cd384f1 100644
--- a/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java
@@ -18,8 +18,8 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
index 01770a2..83b0984 100644
--- a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
@@ -27,10 +27,10 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
diff --git a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
index 3075d9b..f07389d 100644
--- a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
+++ b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.PowerManager;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.Utils;
 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
diff --git a/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java
index 139c8f4..7038fad 100644
--- a/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java
@@ -22,9 +22,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.BatteryManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 import android.widget.TextView;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
index b944577..6ef0957 100644
--- a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
+++ b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
@@ -17,9 +17,9 @@
 package com.android.settings.fuelgauge;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.TextView;
diff --git a/src/com/android/settings/fuelgauge/BatteryInfo.java b/src/com/android/settings/fuelgauge/BatteryInfo.java
index 20c4323..9afaaba 100644
--- a/src/com/android/settings/fuelgauge/BatteryInfo.java
+++ b/src/com/android/settings/fuelgauge/BatteryInfo.java
@@ -24,7 +24,7 @@
 import android.os.BatteryStats.HistoryItem;
 import android.os.Bundle;
 import android.os.SystemClock;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.SparseIntArray;
 
diff --git a/src/com/android/settings/fuelgauge/BatteryMeterView.java b/src/com/android/settings/fuelgauge/BatteryMeterView.java
index 353b3d7..0ad3724 100644
--- a/src/com/android/settings/fuelgauge/BatteryMeterView.java
+++ b/src/com/android/settings/fuelgauge/BatteryMeterView.java
@@ -22,7 +22,7 @@
 import android.graphics.ColorFilter;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.widget.ImageView;
 
diff --git a/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java
index d526f4b..b010998 100644
--- a/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java
@@ -15,8 +15,8 @@
 package com.android.settings.fuelgauge;
 
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Settings;
diff --git a/src/com/android/settings/fuelgauge/BatterySaverController.java b/src/com/android/settings/fuelgauge/BatterySaverController.java
index 4042e79..8b32a9c 100644
--- a/src/com/android/settings/fuelgauge/BatterySaverController.java
+++ b/src/com/android/settings/fuelgauge/BatterySaverController.java
@@ -21,9 +21,9 @@
 import android.os.Looper;
 import android.os.PowerManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java b/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java
index 28585ae..addd309 100644
--- a/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java
+++ b/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java
@@ -20,7 +20,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.settingslib.utils.AsyncLoader;
diff --git a/src/com/android/settings/fuelgauge/BatteryUtils.java b/src/com/android/settings/fuelgauge/BatteryUtils.java
index c62af8f..4a3e6d4 100644
--- a/src/com/android/settings/fuelgauge/BatteryUtils.java
+++ b/src/com/android/settings/fuelgauge/BatteryUtils.java
@@ -30,11 +30,11 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.IntDef;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.IntDef;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java b/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java
index b17cd54..f4784a9 100644
--- a/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java
@@ -6,8 +6,8 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/InactiveApps.java b/src/com/android/settings/fuelgauge/InactiveApps.java
index ac09a57..f93cffc 100644
--- a/src/com/android/settings/fuelgauge/InactiveApps.java
+++ b/src/com/android/settings/fuelgauge/InactiveApps.java
@@ -30,10 +30,10 @@
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/PowerGaugePreference.java b/src/com/android/settings/fuelgauge/PowerGaugePreference.java
index 93e33cc..95ff45c 100644
--- a/src/com/android/settings/fuelgauge/PowerGaugePreference.java
+++ b/src/com/android/settings/fuelgauge/PowerGaugePreference.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.widget.TextView;
 
diff --git a/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java b/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java
index 6493430..b732457 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java
@@ -21,7 +21,7 @@
 import android.os.BatteryManager;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java b/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java
index abfb22b..cd34a47 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java
@@ -21,8 +21,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.IconDrawableFactory;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/fuelgauge/PowerUsageBase.java b/src/com/android/settings/fuelgauge/PowerUsageBase.java
index 58d9d08..aa02919 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageBase.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageBase.java
@@ -23,7 +23,7 @@
 import android.content.Loader;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index e4f7a72..c8daf72 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -26,7 +26,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.BidiFormatter;
 import android.text.format.Formatter;
 import android.util.SparseArray;
diff --git a/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java b/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java
index 6acd2ba..f282154 100644
--- a/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/fuelgauge/RestrictedAppDetails.java b/src/com/android/settings/fuelgauge/RestrictedAppDetails.java
index 2aa0efb..b89824b 100644
--- a/src/com/android/settings/fuelgauge/RestrictedAppDetails.java
+++ b/src/com/android/settings/fuelgauge/RestrictedAppDetails.java
@@ -21,9 +21,9 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.IconDrawableFactory;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java b/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java
index 8b7cde8..a3afd45 100644
--- a/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java
@@ -19,8 +19,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/fuelgauge/anomaly/Anomaly.java b/src/com/android/settings/fuelgauge/anomaly/Anomaly.java
index b070b26..edbc14f 100644
--- a/src/com/android/settings/fuelgauge/anomaly/Anomaly.java
+++ b/src/com/android/settings/fuelgauge/anomaly/Anomaly.java
@@ -18,7 +18,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.text.TextUtils;
 
 import java.lang.annotation.Retention;
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java
index 0f95a39..55d9721 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.KeyValueListParser;
 import android.util.Log;
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java
index 538f5b1..918f98a 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java
index f26b742..fbd7ded 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java
@@ -21,7 +21,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java
index 9884fbd..a54b02e 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java
@@ -1,7 +1,7 @@
 package com.android.settings.fuelgauge.anomaly;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java b/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java
index a3eefa5..dd90d89 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.fuelgauge.anomaly;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java
index 3dde95e..2926547 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 import android.util.SparseIntArray;
 
diff --git a/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java
index aa3fc39..e3666d8 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java
@@ -19,7 +19,7 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.BatteryUtils;
diff --git a/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java
index fc746b9..dcf7e46 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java
@@ -19,8 +19,8 @@
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.permission.RuntimePermissionPresenter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.PermissionChecker;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.PermissionChecker;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.anomaly.Anomaly;
diff --git a/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java
index 2c799ee..b5fd20b 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java
@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.anomaly.action;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.anomaly.Anomaly;
diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java
index 9fb4496..5cb188a 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.BatteryStats;
 import android.os.SystemClock;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
 
diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java
index c2bcd9a..73d0925 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java
@@ -20,7 +20,7 @@
 import android.content.pm.PackageManager;
 import android.os.BatteryStats;
 import android.os.SystemClock;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java
index 46f31ab..f891b51 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.BatteryStats;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
diff --git a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java
index 9c8ef63..06c05c0 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settingslib.fuelgauge.BatterySaverUtils;
diff --git a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java
index 42b2920..b082eeb 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java
@@ -22,9 +22,9 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.view.accessibility.AccessibilityNodeInfo;
 
diff --git a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
index 9485868..0618b44 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.PowerManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settings.fuelgauge.BatterySaverReceiver;
diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java
index d602194..331572b 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java
@@ -22,7 +22,7 @@
 import android.app.job.JobService;
 import android.content.ComponentName;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java
index eb1e983..44169f0 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java
@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Log;
diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java
index 0b21747..404d8d7 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.util.Log;
 
 import com.android.settings.fuelgauge.anomaly.Anomaly;
diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java
index 55081cd..ad63fd2 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java
@@ -34,8 +34,8 @@
 import android.os.StatsDimensionsValue;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.GuardedBy;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.GuardedBy;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.util.Pair;
 
diff --git a/src/com/android/settings/fuelgauge/batterytip/AppInfo.java b/src/com/android/settings/fuelgauge/batterytip/AppInfo.java
index 9e8aba3..4128f9d 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AppInfo.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AppInfo.java
@@ -18,7 +18,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.ArraySet;
 
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java b/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java
index 64184ef..8edc45e 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java
index 3870e72..5cd5277 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java
@@ -21,9 +21,9 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java
index fc2bbdf..c445687 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java
@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.batterytip;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.settings.fuelgauge.BatteryInfo;
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java
index 7743372..42e723d 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.KeyValueListParser;
 import android.util.Log;
 
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
index 784c54c..21fc132 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java
index 9e64c71..da2d81f 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java
@@ -23,7 +23,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.util.CollectionUtils;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java b/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java
index ec45c80f..b1866b9 100644
--- a/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java
+++ b/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.IconDrawableFactory;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java b/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java
index 9fae14e..4a0b5ba 100644
--- a/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java
+++ b/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.fuelgauge.batterytip;
 
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import com.google.common.hash.HashFunction;
 import com.google.common.hash.Hashing;
diff --git a/src/com/android/settings/fuelgauge/batterytip/actions/OpenRestrictAppFragmentAction.java b/src/com/android/settings/fuelgauge/batterytip/actions/OpenRestrictAppFragmentAction.java
index f9fb949..9d35615 100644
--- a/src/com/android/settings/fuelgauge/batterytip/actions/OpenRestrictAppFragmentAction.java
+++ b/src/com/android/settings/fuelgauge/batterytip/actions/OpenRestrictAppFragmentAction.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.fuelgauge.batterytip.actions;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.InstrumentedPreferenceFragment;
diff --git a/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java b/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java
index 5941183..59b5c15 100644
--- a/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java
+++ b/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java
@@ -18,7 +18,7 @@
 
 import android.app.AppOpsManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java b/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java
index 9f0da63..ea40107 100644
--- a/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java
+++ b/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java
@@ -18,7 +18,7 @@
 
 import android.app.AppOpsManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java b/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java
index 9624832..664a8ca 100644
--- a/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java
+++ b/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.BatteryStats;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 
 import com.android.internal.os.BatterySipper;
diff --git a/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java b/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java
index aacacc5..3ff0989 100644
--- a/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java
+++ b/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java
@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.batterytip.detectors;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 
 import com.android.settings.fuelgauge.batterytip.AnomalyDatabaseHelper;
diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java
index 2afdc81..b1a0d7c 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java
@@ -19,10 +19,10 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.IdRes;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.IdRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.SparseIntArray;
 
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java
index c6b235b..2b8ad23 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java
index 409174b..8d0624a 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java b/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java
index 8a8e099..6e318d6 100644
--- a/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java
+++ b/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java
@@ -22,8 +22,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
diff --git a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
index 002a447..4433dd6 100644
--- a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
index 521e81f..f1c2ed3 100644
--- a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
@@ -22,8 +22,8 @@
 import android.content.SharedPreferences;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
diff --git a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
index 10b278a..6a72dc4 100644
--- a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
@@ -24,7 +24,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/gestures/GesturePreferenceController.java b/src/com/android/settings/gestures/GesturePreferenceController.java
index c4ee8c2..780325f 100644
--- a/src/com/android/settings/gestures/GesturePreferenceController.java
+++ b/src/com/android/settings/gestures/GesturePreferenceController.java
@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
diff --git a/src/com/android/settings/gestures/GestureSettings.java b/src/com/android/settings/gestures/GestureSettings.java
index ec0577b..27172d9 100644
--- a/src/com/android/settings/gestures/GestureSettings.java
+++ b/src/com/android/settings/gestures/GestureSettings.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/gestures/GesturesSettingPreferenceController.java b/src/com/android/settings/gestures/GesturesSettingPreferenceController.java
index 0e00abb..652e151 100644
--- a/src/com/android/settings/gestures/GesturesSettingPreferenceController.java
+++ b/src/com/android/settings/gestures/GesturesSettingPreferenceController.java
@@ -19,7 +19,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;
diff --git a/src/com/android/settings/gestures/PickupGesturePreferenceController.java b/src/com/android/settings/gestures/PickupGesturePreferenceController.java
index 4ecad14..6d01e52 100644
--- a/src/com/android/settings/gestures/PickupGesturePreferenceController.java
+++ b/src/com/android/settings/gestures/PickupGesturePreferenceController.java
@@ -24,7 +24,7 @@
 import android.content.SharedPreferences;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
diff --git a/src/com/android/settings/gestures/PreventRingingPreferenceController.java b/src/com/android/settings/gestures/PreventRingingPreferenceController.java
index 66aef60..c6bc3aa 100644
--- a/src/com/android/settings/gestures/PreventRingingPreferenceController.java
+++ b/src/com/android/settings/gestures/PreventRingingPreferenceController.java
@@ -24,10 +24,10 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/gestures/SwipeUpPreferenceController.java b/src/com/android/settings/gestures/SwipeUpPreferenceController.java
index f635873..331a5ef 100644
--- a/src/com/android/settings/gestures/SwipeUpPreferenceController.java
+++ b/src/com/android/settings/gestures/SwipeUpPreferenceController.java
@@ -22,7 +22,7 @@
 import android.content.pm.PackageManager;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.internal.R;
diff --git a/src/com/android/settings/graph/BottomLabelLayout.java b/src/com/android/settings/graph/BottomLabelLayout.java
index 45fab38..20d97e5 100644
--- a/src/com/android/settings/graph/BottomLabelLayout.java
+++ b/src/com/android/settings/graph/BottomLabelLayout.java
@@ -19,7 +19,7 @@
 
 import android.annotation.Nullable;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.View;
@@ -31,8 +31,8 @@
  * An extension of LinearLayout that automatically switches to vertical
  * orientation when it can't fit its child views horizontally.
  *
- * Main logic in this class comes from {@link android.support.v7.widget.ButtonBarLayout}.
- * Compared with {@link android.support.v7.widget.ButtonBarLayout}, this layout won't reverse
+ * Main logic in this class comes from {@link androidx.appcompat.widget.ButtonBarLayout}.
+ * Compared with {@link androidx.appcompat.widget.ButtonBarLayout}, this layout won't reverse
  * children's order and won't update the minimum height
  */
 public class BottomLabelLayout extends LinearLayout {
diff --git a/src/com/android/settings/graph/UsageGraph.java b/src/com/android/settings/graph/UsageGraph.java
index db13338..b9d517d 100644
--- a/src/com/android/settings/graph/UsageGraph.java
+++ b/src/com/android/settings/graph/UsageGraph.java
@@ -28,7 +28,7 @@
 import android.graphics.Path;
 import android.graphics.Shader.TileMode;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.util.SparseIntArray;
 import android.util.TypedValue;
diff --git a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
index 4fc29ec..a635842 100644
--- a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
+++ b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.hardware.input.InputManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.InputDevice;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
index 5fcaccf..37f6413 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
@@ -18,7 +18,7 @@
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/inputmethod/KeyboardLayoutPickerFragment.java b/src/com/android/settings/inputmethod/KeyboardLayoutPickerFragment.java
index 4c9715c..47625e7 100644
--- a/src/com/android/settings/inputmethod/KeyboardLayoutPickerFragment.java
+++ b/src/com/android/settings/inputmethod/KeyboardLayoutPickerFragment.java
@@ -22,9 +22,9 @@
 import android.hardware.input.InputManager.InputDeviceListener;
 import android.hardware.input.KeyboardLayout;
 import android.os.Bundle;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.InputDevice;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
index 36f4e92..cc2e8aa 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
@@ -30,11 +30,11 @@
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings.Secure;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.InputDevice;
 
diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
index b9e95be..38937de 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.hardware.input.InputManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/inputmethod/SpellCheckerPreference.java b/src/com/android/settings/inputmethod/SpellCheckerPreference.java
index 02a2e29..6287426 100644
--- a/src/com/android/settings/inputmethod/SpellCheckerPreference.java
+++ b/src/com/android/settings/inputmethod/SpellCheckerPreference.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java b/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java
index 1396889..8adf238 100644
--- a/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java
+++ b/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java
@@ -17,8 +17,8 @@
 package com.android.settings.inputmethod;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.textservice.SpellCheckerInfo;
 import android.view.textservice.TextServicesManager;
 
diff --git a/src/com/android/settings/inputmethod/SpellCheckersSettings.java b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
index 5231021..3f38704 100644
--- a/src/com/android/settings/inputmethod/SpellCheckersSettings.java
+++ b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
@@ -22,10 +22,10 @@
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.view.textservice.SpellCheckerInfo;
 import android.view.textservice.SpellCheckerSubtype;
diff --git a/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java b/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java
index d5b742d..3f1122a 100644
--- a/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java
+++ b/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java
@@ -21,7 +21,7 @@
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.provider.UserDictionary;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.ArraySet;
 
 import java.util.Locale;
diff --git a/src/com/android/settings/inputmethod/UserDictionaryList.java b/src/com/android/settings/inputmethod/UserDictionaryList.java
index 2f59dc9..990c12b 100644
--- a/src/com/android/settings/inputmethod/UserDictionaryList.java
+++ b/src/com/android/settings/inputmethod/UserDictionaryList.java
@@ -22,9 +22,9 @@
 import android.database.Cursor;
 import android.os.Bundle;
 import android.provider.UserDictionary;
-import android.support.annotation.NonNull;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.NonNull;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.text.TextUtils;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
diff --git a/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java b/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java
index fbe9690..bd33b3f 100644
--- a/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java
+++ b/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java
@@ -24,7 +24,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
 
diff --git a/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java b/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java
index c4dbef1..4a04646 100644
--- a/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java
+++ b/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java
@@ -19,7 +19,7 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.BidiFormatter;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
diff --git a/src/com/android/settings/language/LanguageAndInputSettings.java b/src/com/android/settings/language/LanguageAndInputSettings.java
index 73cfe27..7e7bdca 100644
--- a/src/com/android/settings/language/LanguageAndInputSettings.java
+++ b/src/com/android/settings/language/LanguageAndInputSettings.java
@@ -24,8 +24,8 @@
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.speech.tts.TtsEngines;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
diff --git a/src/com/android/settings/language/PhoneLanguagePreferenceController.java b/src/com/android/settings/language/PhoneLanguagePreferenceController.java
index 1b11f59..af60ba0 100644
--- a/src/com/android/settings/language/PhoneLanguagePreferenceController.java
+++ b/src/com/android/settings/language/PhoneLanguagePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.language;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/language/PointerSpeedController.java b/src/com/android/settings/language/PointerSpeedController.java
index c7275e1..8a0226a 100644
--- a/src/com/android/settings/language/PointerSpeedController.java
+++ b/src/com/android/settings/language/PointerSpeedController.java
@@ -21,7 +21,7 @@
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 
 public class PointerSpeedController extends BasePreferenceController {
diff --git a/src/com/android/settings/language/UserDictionaryPreferenceController.java b/src/com/android/settings/language/UserDictionaryPreferenceController.java
index 3a1d6e0..9338a29 100644
--- a/src/com/android/settings/language/UserDictionaryPreferenceController.java
+++ b/src/com/android/settings/language/UserDictionaryPreferenceController.java
@@ -19,7 +19,7 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.inputmethod.UserDictionaryList;
diff --git a/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java b/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java
index 0d8cbaf..be6447e 100644
--- a/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java
+++ b/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java
@@ -20,9 +20,9 @@
 import android.graphics.Canvas;
 import android.os.Bundle;
 import android.os.LocaleList;
-import android.support.v4.view.MotionEventCompat;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.core.view.MotionEventCompat;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java b/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java
index 2917cc7..d3d58ff 100644
--- a/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java
+++ b/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/localepicker/LocaleListEditor.java b/src/com/android/settings/localepicker/LocaleListEditor.java
index 79d538f..de68f00 100644
--- a/src/com/android/settings/localepicker/LocaleListEditor.java
+++ b/src/com/android/settings/localepicker/LocaleListEditor.java
@@ -21,7 +21,7 @@
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.os.LocaleList;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
diff --git a/src/com/android/settings/localepicker/LocaleRecyclerView.java b/src/com/android/settings/localepicker/LocaleRecyclerView.java
index b9c2b96..93d54a4 100644
--- a/src/com/android/settings/localepicker/LocaleRecyclerView.java
+++ b/src/com/android/settings/localepicker/LocaleRecyclerView.java
@@ -17,7 +17,7 @@
 package com.android.settings.localepicker;
 
 import android.content.Context;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 
diff --git a/src/com/android/settings/location/BluetoothScanningPreferenceController.java b/src/com/android/settings/location/BluetoothScanningPreferenceController.java
index c97bc7d..6350ffa 100644
--- a/src/com/android/settings/location/BluetoothScanningPreferenceController.java
+++ b/src/com/android/settings/location/BluetoothScanningPreferenceController.java
@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/location/InjectedSetting.java b/src/com/android/settings/location/InjectedSetting.java
index 7eae872..4877cb4 100644
--- a/src/com/android/settings/location/InjectedSetting.java
+++ b/src/com/android/settings/location/InjectedSetting.java
@@ -46,12 +46,12 @@
     public final String className;
 
     /**
-     * The {@link android.support.v7.preference.Preference#getTitle()} value.
+     * The {@link androidx.preference.Preference#getTitle()} value.
      */
     public final String title;
 
     /**
-     * The {@link android.support.v7.preference.Preference#getIcon()} value.
+     * The {@link androidx.preference.Preference#getIcon()} value.
      */
     public final int iconId;
 
diff --git a/src/com/android/settings/location/LocationEnabler.java b/src/com/android/settings/location/LocationEnabler.java
index fd557a3..d45128c 100644
--- a/src/com/android/settings/location/LocationEnabler.java
+++ b/src/com/android/settings/location/LocationEnabler.java
@@ -23,7 +23,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/location/LocationFooterPreferenceController.java b/src/com/android/settings/location/LocationFooterPreferenceController.java
index f15d437..658c3cd 100644
--- a/src/com/android/settings/location/LocationFooterPreferenceController.java
+++ b/src/com/android/settings/location/LocationFooterPreferenceController.java
@@ -22,9 +22,9 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.location.LocationManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
diff --git a/src/com/android/settings/location/LocationForWorkPreferenceController.java b/src/com/android/settings/location/LocationForWorkPreferenceController.java
index a81c9d4..3f51d6f 100644
--- a/src/com/android/settings/location/LocationForWorkPreferenceController.java
+++ b/src/com/android/settings/location/LocationForWorkPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/location/LocationPreferenceController.java b/src/com/android/settings/location/LocationPreferenceController.java
index 5760ab7..a091ca8 100644
--- a/src/com/android/settings/location/LocationPreferenceController.java
+++ b/src/com/android/settings/location/LocationPreferenceController.java
@@ -21,9 +21,9 @@
 import android.content.IntentFilter;
 import android.location.LocationManager;
 import android.provider.Settings.Secure;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/location/LocationScanningPreferenceController.java b/src/com/android/settings/location/LocationScanningPreferenceController.java
index 6c63010..33fe612 100644
--- a/src/com/android/settings/location/LocationScanningPreferenceController.java
+++ b/src/com/android/settings/location/LocationScanningPreferenceController.java
@@ -21,7 +21,7 @@
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 
 public class LocationScanningPreferenceController extends BasePreferenceController {
diff --git a/src/com/android/settings/location/LocationServicePreferenceController.java b/src/com/android/settings/location/LocationServicePreferenceController.java
index a1d2069..f865b44 100644
--- a/src/com/android/settings/location/LocationServicePreferenceController.java
+++ b/src/com/android/settings/location/LocationServicePreferenceController.java
@@ -19,10 +19,10 @@
 import android.content.IntentFilter;
 import android.location.SettingInjectorService;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.widget.RestrictedAppPreference;
diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
index 13ba8f5..8b0ee8a 100644
--- a/src/com/android/settings/location/LocationSettings.java
+++ b/src/com/android/settings/location/LocationSettings.java
@@ -21,8 +21,8 @@
 import android.location.SettingInjectorService;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/location/LocationSliceBuilder.java b/src/com/android/settings/location/LocationSliceBuilder.java
index 4cf861f..160d90a 100644
--- a/src/com/android/settings/location/LocationSliceBuilder.java
+++ b/src/com/android/settings/location/LocationSliceBuilder.java
@@ -39,7 +39,7 @@
 import androidx.slice.builders.ListBuilder;
 import androidx.slice.builders.SliceAction;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 /**
  * Utility class to build an intent-based Location Slice.
diff --git a/src/com/android/settings/location/RecentLocationRequestPreferenceController.java b/src/com/android/settings/location/RecentLocationRequestPreferenceController.java
index b2a648f..f4ae15b 100644
--- a/src/com/android/settings/location/RecentLocationRequestPreferenceController.java
+++ b/src/com/android/settings/location/RecentLocationRequestPreferenceController.java
@@ -16,10 +16,10 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.R;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
 import com.android.settings.core.SubSettingLauncher;
diff --git a/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
index 4b59df2..99dc9fc 100644
--- a/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
+++ b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
@@ -17,10 +17,10 @@
 package com.android.settings.location;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.widget.AppPreference;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.location.RecentLocationApps;
diff --git a/src/com/android/settings/location/SettingsInjector.java b/src/com/android/settings/location/SettingsInjector.java
index 2c6a4f3..52b0656 100644
--- a/src/com/android/settings/location/SettingsInjector.java
+++ b/src/com/android/settings/location/SettingsInjector.java
@@ -37,7 +37,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.IconDrawableFactory;
diff --git a/src/com/android/settings/location/WifiScanningPreferenceController.java b/src/com/android/settings/location/WifiScanningPreferenceController.java
index 8d4cf98..c5389ca 100644
--- a/src/com/android/settings/location/WifiScanningPreferenceController.java
+++ b/src/com/android/settings/location/WifiScanningPreferenceController.java
@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/network/AirplaneModePreferenceController.java b/src/com/android/settings/network/AirplaneModePreferenceController.java
index a6dead5..469449f 100644
--- a/src/com/android/settings/network/AirplaneModePreferenceController.java
+++ b/src/com/android/settings/network/AirplaneModePreferenceController.java
@@ -23,9 +23,9 @@
 import android.content.pm.PackageManager;
 import android.os.SystemProperties;
 import android.provider.SettingsSlicesContract;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.telephony.TelephonyIntents;
diff --git a/src/com/android/settings/network/ApnEditor.java b/src/com/android/settings/network/ApnEditor.java
index 5133d45..1d6e81e 100644
--- a/src/com/android/settings/network/ApnEditor.java
+++ b/src/com/android/settings/network/ApnEditor.java
@@ -28,13 +28,13 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.provider.Telephony;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.MultiSelectListPreference;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.MultiSelectListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.telephony.CarrierConfigManager;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionManager;
diff --git a/src/com/android/settings/network/ApnPreference.java b/src/com/android/settings/network/ApnPreference.java
index 412c288..ee53ca9 100755
--- a/src/com/android/settings/network/ApnPreference.java
+++ b/src/com/android/settings/network/ApnPreference.java
@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.provider.Telephony;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionManager;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/network/ApnSettings.java b/src/com/android/settings/network/ApnSettings.java
index 288cccb..b47cb42 100755
--- a/src/com/android/settings/network/ApnSettings.java
+++ b/src/com/android/settings/network/ApnSettings.java
@@ -37,8 +37,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Telephony;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
diff --git a/src/com/android/settings/network/MobileNetworkPreferenceController.java b/src/com/android/settings/network/MobileNetworkPreferenceController.java
index 0e6108a..e4d52bc 100644
--- a/src/com/android/settings/network/MobileNetworkPreferenceController.java
+++ b/src/com/android/settings/network/MobileNetworkPreferenceController.java
@@ -24,9 +24,9 @@
 import android.content.IntentFilter;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.PhoneStateListener;
 import android.telephony.ServiceState;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/network/MobilePlanPreferenceController.java b/src/com/android/settings/network/MobilePlanPreferenceController.java
index 6556113..f29f11c 100644
--- a/src/com/android/settings/network/MobilePlanPreferenceController.java
+++ b/src/com/android/settings/network/MobilePlanPreferenceController.java
@@ -31,7 +31,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index 89bf5f4..5dafeec 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -24,7 +24,7 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.BidiFormatter;
 import android.util.Log;
 
diff --git a/src/com/android/settings/network/NetworkResetRestrictionChecker.java b/src/com/android/settings/network/NetworkResetRestrictionChecker.java
index 2b630bd..5ae3a77 100644
--- a/src/com/android/settings/network/NetworkResetRestrictionChecker.java
+++ b/src/com/android/settings/network/NetworkResetRestrictionChecker.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settingslib.RestrictedLockUtils;
 
diff --git a/src/com/android/settings/network/NetworkScorerPicker.java b/src/com/android/settings/network/NetworkScorerPicker.java
index a7e4014..0a63adc 100644
--- a/src/com/android/settings/network/NetworkScorerPicker.java
+++ b/src/com/android/settings/network/NetworkScorerPicker.java
@@ -19,9 +19,9 @@
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
index c573106..9848201 100644
--- a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
+++ b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index 290ffd5..0627cb3 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
@@ -29,7 +29,7 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.system.Os;
 import android.text.Editable;
 import android.text.TextWatcher;
diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 6f38569..13e5bf3 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java
@@ -35,8 +35,8 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.util.ArrayUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/network/ProxyPreferenceController.java b/src/com/android/settings/network/ProxyPreferenceController.java
index 0970dd9..dc2eb9f 100644
--- a/src/com/android/settings/network/ProxyPreferenceController.java
+++ b/src/com/android/settings/network/ProxyPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/network/TetherPreferenceController.java b/src/com/android/settings/network/TetherPreferenceController.java
index 1f19031..4bafa25 100644
--- a/src/com/android/settings/network/TetherPreferenceController.java
+++ b/src/com/android/settings/network/TetherPreferenceController.java
@@ -33,9 +33,9 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.TetherSettings;
diff --git a/src/com/android/settings/network/VpnPreferenceController.java b/src/com/android/settings/network/VpnPreferenceController.java
index 1e83dcf..bb0bff6 100644
--- a/src/com/android/settings/network/VpnPreferenceController.java
+++ b/src/com/android/settings/network/VpnPreferenceController.java
@@ -29,9 +29,9 @@
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.SettingsSlicesContract;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 
diff --git a/src/com/android/settings/nfc/AndroidBeamPreferenceController.java b/src/com/android/settings/nfc/AndroidBeamPreferenceController.java
index b4026de..12ab1b7 100644
--- a/src/com/android/settings/nfc/AndroidBeamPreferenceController.java
+++ b/src/com/android/settings/nfc/AndroidBeamPreferenceController.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.nfc.NfcAdapter;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settingslib.RestrictedPreference;
diff --git a/src/com/android/settings/nfc/BaseNfcEnabler.java b/src/com/android/settings/nfc/BaseNfcEnabler.java
index 5c5f95c..88bafb9 100644
--- a/src/com/android/settings/nfc/BaseNfcEnabler.java
+++ b/src/com/android/settings/nfc/BaseNfcEnabler.java
@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.nfc.NfcAdapter;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 /**
  * BaseNfcEnabler is a abstract helper to manage the Nfc state for Nfc and Android Beam
diff --git a/src/com/android/settings/nfc/NfcAirplaneModeObserver.java b/src/com/android/settings/nfc/NfcAirplaneModeObserver.java
index 723d814..d0ce045 100644
--- a/src/com/android/settings/nfc/NfcAirplaneModeObserver.java
+++ b/src/com/android/settings/nfc/NfcAirplaneModeObserver.java
@@ -22,8 +22,8 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 /**
  * NfcAirplaneModeObserver is a helper to manage the Nfc on/off when airplane mode status
diff --git a/src/com/android/settings/nfc/NfcEnabler.java b/src/com/android/settings/nfc/NfcEnabler.java
index f39a0a1..b3450cb 100644
--- a/src/com/android/settings/nfc/NfcEnabler.java
+++ b/src/com/android/settings/nfc/NfcEnabler.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.nfc.NfcAdapter;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 /**
  * NfcEnabler is a helper to manage the Nfc on/off checkbox preference. It turns on/off Nfc
diff --git a/src/com/android/settings/nfc/NfcForegroundPreference.java b/src/com/android/settings/nfc/NfcForegroundPreference.java
index 89095a4..728f2e4 100644
--- a/src/com/android/settings/nfc/NfcForegroundPreference.java
+++ b/src/com/android/settings/nfc/NfcForegroundPreference.java
@@ -16,8 +16,8 @@
 package com.android.settings.nfc;
 
 import android.content.Context;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/nfc/NfcPaymentPreference.java b/src/com/android/settings/nfc/NfcPaymentPreference.java
index a3f7466..0838a90 100644
--- a/src/com/android/settings/nfc/NfcPaymentPreference.java
+++ b/src/com/android/settings/nfc/NfcPaymentPreference.java
@@ -21,7 +21,7 @@
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/nfc/NfcPreferenceController.java b/src/com/android/settings/nfc/NfcPreferenceController.java
index a5d7c76..a74b987 100644
--- a/src/com/android/settings/nfc/NfcPreferenceController.java
+++ b/src/com/android/settings/nfc/NfcPreferenceController.java
@@ -21,9 +21,9 @@
 import android.provider.Settings;
 import android.text.TextUtils;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
diff --git a/src/com/android/settings/nfc/PaymentSettings.java b/src/com/android/settings/nfc/PaymentSettings.java
index c832dfc..27ae093 100644
--- a/src/com/android/settings/nfc/PaymentSettings.java
+++ b/src/com/android/settings/nfc/PaymentSettings.java
@@ -21,8 +21,8 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
index 668b06c..4284ecf 100644
--- a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
+++ b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
@@ -27,7 +27,7 @@
 import android.provider.Settings;
 import android.service.notification.ConditionProviderService;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/AbstractZenModePreferenceController.java b/src/com/android/settings/notification/AbstractZenModePreferenceController.java
index fc802c5..175a607 100644
--- a/src/com/android/settings/notification/AbstractZenModePreferenceController.java
+++ b/src/com/android/settings/notification/AbstractZenModePreferenceController.java
@@ -29,8 +29,8 @@
 import android.provider.Settings;
 import android.service.notification.ScheduleCalendar;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java b/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java
index cc0de80..2dcc31d 100644
--- a/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java
+++ b/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java
@@ -21,7 +21,7 @@
 import android.media.AudioManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.accounts.AccountRestrictionHelper;
diff --git a/src/com/android/settings/notification/AllowSoundPreferenceController.java b/src/com/android/settings/notification/AllowSoundPreferenceController.java
index 7186be1..a1fd3c0 100644
--- a/src/com/android/settings/notification/AllowSoundPreferenceController.java
+++ b/src/com/android/settings/notification/AllowSoundPreferenceController.java
@@ -22,7 +22,7 @@
 
 import android.app.NotificationChannel;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/AppLinkPreferenceController.java b/src/com/android/settings/notification/AppLinkPreferenceController.java
index ff5945b..6e09cce 100644
--- a/src/com/android/settings/notification/AppLinkPreferenceController.java
+++ b/src/com/android/settings/notification/AppLinkPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index 99e9458..9ebcd33 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -21,11 +21,11 @@
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/notification/BadgePreferenceController.java b/src/com/android/settings/notification/BadgePreferenceController.java
index e768ad1..e6cd449 100644
--- a/src/com/android/settings/notification/BadgePreferenceController.java
+++ b/src/com/android/settings/notification/BadgePreferenceController.java
@@ -21,7 +21,7 @@
 import android.app.NotificationChannel;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
index 9e3757a..94419c4 100644
--- a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
@@ -23,10 +23,10 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/BlockPreferenceController.java b/src/com/android/settings/notification/BlockPreferenceController.java
index 5e56852..65d3119 100644
--- a/src/com/android/settings/notification/BlockPreferenceController.java
+++ b/src/com/android/settings/notification/BlockPreferenceController.java
@@ -23,7 +23,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/BootSoundPreferenceController.java b/src/com/android/settings/notification/BootSoundPreferenceController.java
index 945f9ae..97639b1 100644
--- a/src/com/android/settings/notification/BootSoundPreferenceController.java
+++ b/src/com/android/settings/notification/BootSoundPreferenceController.java
@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
 
diff --git a/src/com/android/settings/notification/ChannelGroupNotificationSettings.java b/src/com/android/settings/notification/ChannelGroupNotificationSettings.java
index f16031e..c17b3b0 100644
--- a/src/com/android/settings/notification/ChannelGroupNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelGroupNotificationSettings.java
@@ -18,7 +18,7 @@
 
 import android.app.NotificationChannel;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/notification/ChannelNotificationSettings.java b/src/com/android/settings/notification/ChannelNotificationSettings.java
index bd9771a..0ea0eac 100644
--- a/src/com/android/settings/notification/ChannelNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelNotificationSettings.java
@@ -20,7 +20,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/notification/ConfigureNotificationSettings.java b/src/com/android/settings/notification/ConfigureNotificationSettings.java
index 4bf5b70..bd7a82a 100644
--- a/src/com/android/settings/notification/ConfigureNotificationSettings.java
+++ b/src/com/android/settings/notification/ConfigureNotificationSettings.java
@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/notification/DeletedChannelsPreferenceController.java b/src/com/android/settings/notification/DeletedChannelsPreferenceController.java
index 45fb8ec..1ebc01c 100644
--- a/src/com/android/settings/notification/DeletedChannelsPreferenceController.java
+++ b/src/com/android/settings/notification/DeletedChannelsPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/DescriptionPreferenceController.java b/src/com/android/settings/notification/DescriptionPreferenceController.java
index fae2f5f..61a9ddb 100644
--- a/src/com/android/settings/notification/DescriptionPreferenceController.java
+++ b/src/com/android/settings/notification/DescriptionPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/DndPreferenceController.java b/src/com/android/settings/notification/DndPreferenceController.java
index 899c585..acbc070 100644
--- a/src/com/android/settings/notification/DndPreferenceController.java
+++ b/src/com/android/settings/notification/DndPreferenceController.java
@@ -19,7 +19,7 @@
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java b/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
index 2eb9f6a..e67de2b 100644
--- a/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
+++ b/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
@@ -20,8 +20,8 @@
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.accounts.AccountRestrictionHelper;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/HeaderPreferenceController.java b/src/com/android/settings/notification/HeaderPreferenceController.java
index 0a4cca1..29b8670 100644
--- a/src/com/android/settings/notification/HeaderPreferenceController.java
+++ b/src/com/android/settings/notification/HeaderPreferenceController.java
@@ -19,11 +19,11 @@
 import static com.android.settings.widget.EntityHeaderController.PREF_KEY_APP_HEADER;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleObserver;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.text.BidiFormatter;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/notification/ImportancePreferenceController.java b/src/com/android/settings/notification/ImportancePreferenceController.java
index 60b2ebe..c056472 100644
--- a/src/com/android/settings/notification/ImportancePreferenceController.java
+++ b/src/com/android/settings/notification/ImportancePreferenceController.java
@@ -26,7 +26,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.media.RingtoneManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.RestrictedListPreference;
diff --git a/src/com/android/settings/notification/LightsPreferenceController.java b/src/com/android/settings/notification/LightsPreferenceController.java
index 9d5a6c5..3710cc5 100644
--- a/src/com/android/settings/notification/LightsPreferenceController.java
+++ b/src/com/android/settings/notification/LightsPreferenceController.java
@@ -20,7 +20,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
index 3b4f00e..518d2a9 100644
--- a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
@@ -28,8 +28,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/notification/NotificationAppPreference.java b/src/com/android/settings/notification/NotificationAppPreference.java
index e43c52b..bb015ca 100644
--- a/src/com/android/settings/notification/NotificationAppPreference.java
+++ b/src/com/android/settings/notification/NotificationAppPreference.java
@@ -16,7 +16,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Switch;
diff --git a/src/com/android/settings/notification/NotificationFooterPreference.java b/src/com/android/settings/notification/NotificationFooterPreference.java
index d44ebee..2b41281 100644
--- a/src/com/android/settings/notification/NotificationFooterPreference.java
+++ b/src/com/android/settings/notification/NotificationFooterPreference.java
@@ -17,9 +17,9 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.method.LinkMovementMethod;
 import android.util.AttributeSet;
 import android.widget.TextView;
diff --git a/src/com/android/settings/notification/NotificationPreferenceController.java b/src/com/android/settings/notification/NotificationPreferenceController.java
index 0c5dc0e..49bb08e 100644
--- a/src/com/android/settings/notification/NotificationPreferenceController.java
+++ b/src/com/android/settings/notification/NotificationPreferenceController.java
@@ -25,9 +25,9 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/src/com/android/settings/notification/NotificationSettingsBase.java b/src/com/android/settings/notification/NotificationSettingsBase.java
index 8bf50a6..6006162 100644
--- a/src/com/android/settings/notification/NotificationSettingsBase.java
+++ b/src/com/android/settings/notification/NotificationSettingsBase.java
@@ -37,9 +37,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/settings/notification/NotificationStation.java b/src/com/android/settings/notification/NotificationStation.java
index 8850beb..e63e588 100644
--- a/src/com/android/settings/notification/NotificationStation.java
+++ b/src/com/android/settings/notification/NotificationStation.java
@@ -39,9 +39,9 @@
 import android.service.notification.NotificationListenerService.Ranking;
 import android.service.notification.NotificationListenerService.RankingMap;
 import android.service.notification.StatusBarNotification;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/notification/NotificationSwitchBarPreference.java b/src/com/android/settings/notification/NotificationSwitchBarPreference.java
index 7729543..ede7d88 100644
--- a/src/com/android/settings/notification/NotificationSwitchBarPreference.java
+++ b/src/com/android/settings/notification/NotificationSwitchBarPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 
diff --git a/src/com/android/settings/notification/NotificationsOffPreferenceController.java b/src/com/android/settings/notification/NotificationsOffPreferenceController.java
index fad0e27..4dbf491 100644
--- a/src/com/android/settings/notification/NotificationsOffPreferenceController.java
+++ b/src/com/android/settings/notification/NotificationsOffPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/PulseNotificationPreferenceController.java b/src/com/android/settings/notification/PulseNotificationPreferenceController.java
index 4a8b820..15bbf6d 100644
--- a/src/com/android/settings/notification/PulseNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/PulseNotificationPreferenceController.java
@@ -22,9 +22,9 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
index 4079099..8081e4e 100644
--- a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
+++ b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
@@ -24,10 +24,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.service.notification.NotifyingApp;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;
diff --git a/src/com/android/settings/notification/RingVolumePreferenceController.java b/src/com/android/settings/notification/RingVolumePreferenceController.java
index 47bb56f..becf95f 100644
--- a/src/com/android/settings/notification/RingVolumePreferenceController.java
+++ b/src/com/android/settings/notification/RingVolumePreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.app.NotificationManager;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
diff --git a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
index 09a47b7..21b7e53 100644
--- a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
+++ b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
@@ -20,7 +20,7 @@
 import android.media.Ringtone;
 import android.media.RingtoneManager;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/notification/SettingPref.java b/src/com/android/settings/notification/SettingPref.java
index 18efc33..08031b1 100644
--- a/src/com/android/settings/notification/SettingPref.java
+++ b/src/com/android/settings/notification/SettingPref.java
@@ -22,10 +22,10 @@
 import android.net.Uri;
 import android.provider.Settings.Global;
 import android.provider.Settings.System;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.SettingsPreferenceFragment;
 
diff --git a/src/com/android/settings/notification/SettingPrefController.java b/src/com/android/settings/notification/SettingPrefController.java
index ac613d1..891c7b3 100644
--- a/src/com/android/settings/notification/SettingPrefController.java
+++ b/src/com/android/settings/notification/SettingPrefController.java
@@ -22,8 +22,8 @@
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.os.Handler;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/src/com/android/settings/notification/SoundPreferenceController.java b/src/com/android/settings/notification/SoundPreferenceController.java
index 4ae6ebe..6c537ff 100644
--- a/src/com/android/settings/notification/SoundPreferenceController.java
+++ b/src/com/android/settings/notification/SoundPreferenceController.java
@@ -22,8 +22,8 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.preference.PreferenceManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/SoundSettings.java b/src/com/android/settings/notification/SoundSettings.java
index 1005d20..4e8218f 100644
--- a/src/com/android/settings/notification/SoundSettings.java
+++ b/src/com/android/settings/notification/SoundSettings.java
@@ -25,9 +25,9 @@
 import android.os.UserHandle;
 import android.preference.SeekBarVolumizer;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/notification/SuppressorHelper.java b/src/com/android/settings/notification/SuppressorHelper.java
index 8bf4d83..837517c 100644
--- a/src/com/android/settings/notification/SuppressorHelper.java
+++ b/src/com/android/settings/notification/SuppressorHelper.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 public class SuppressorHelper {
diff --git a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
index 4fe6fd9..3d9557e 100644
--- a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
+++ b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
@@ -24,8 +24,8 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/notification/VibrationPreferenceController.java b/src/com/android/settings/notification/VibrationPreferenceController.java
index 9df8e04..04aa201 100644
--- a/src/com/android/settings/notification/VibrationPreferenceController.java
+++ b/src/com/android/settings/notification/VibrationPreferenceController.java
@@ -20,7 +20,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.Vibrator;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/src/com/android/settings/notification/VisibilityPreferenceController.java b/src/com/android/settings/notification/VisibilityPreferenceController.java
index dac90ef..e1b067b 100644
--- a/src/com/android/settings/notification/VisibilityPreferenceController.java
+++ b/src/com/android/settings/notification/VisibilityPreferenceController.java
@@ -25,7 +25,7 @@
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.service.notification.NotificationListenerService;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/VolumeSeekBarPreference.java b/src/com/android/settings/notification/VolumeSeekBarPreference.java
index b94d494..ee02b62 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreference.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreference.java
@@ -21,8 +21,8 @@
 import android.media.AudioManager;
 import android.net.Uri;
 import android.preference.SeekBarVolumizer;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
index 74e801e..720fddd 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
@@ -16,10 +16,10 @@
 
 package com.android.settings.notification;
 
-import android.arch.lifecycle.LifecycleObserver;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;
diff --git a/src/com/android/settings/notification/WorkSoundPreferenceController.java b/src/com/android/settings/notification/WorkSoundPreferenceController.java
index 1497c2c..108fbca 100644
--- a/src/com/android/settings/notification/WorkSoundPreferenceController.java
+++ b/src/com/android/settings/notification/WorkSoundPreferenceController.java
@@ -32,11 +32,11 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/notification/ZenAccessSettings.java b/src/com/android/settings/notification/ZenAccessSettings.java
index ec378f3..62c9315 100644
--- a/src/com/android/settings/notification/ZenAccessSettings.java
+++ b/src/com/android/settings/notification/ZenAccessSettings.java
@@ -37,10 +37,10 @@
 import android.os.Looper;
 import android.os.RemoteException;
 import android.provider.Settings.Secure;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;
diff --git a/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java b/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java
index 9eab8bb..388b40d 100644
--- a/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java
+++ b/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java
@@ -25,8 +25,8 @@
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.service.notification.ZenModeConfig;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.util.Slog;
 import android.view.View;
 
diff --git a/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java b/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java
index 9294a90..599af26 100644
--- a/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java
+++ b/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.AutomaticZenRule;
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.widget.Switch;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenCustomRadioButtonPreference.java b/src/com/android/settings/notification/ZenCustomRadioButtonPreference.java
index 91472f9..c28b7b4 100644
--- a/src/com/android/settings/notification/ZenCustomRadioButtonPreference.java
+++ b/src/com/android/settings/notification/ZenCustomRadioButtonPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.RadioButton;
diff --git a/src/com/android/settings/notification/ZenFooterPreferenceController.java b/src/com/android/settings/notification/ZenFooterPreferenceController.java
index fe31e6d..a00ac6a 100644
--- a/src/com/android/settings/notification/ZenFooterPreferenceController.java
+++ b/src/com/android/settings/notification/ZenFooterPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.NotificationManager.Policy;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java b/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java
index b2e69d8..8898b05 100644
--- a/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import com.android.settings.utils.ZenServiceListing;
diff --git a/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java b/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java
index af59107..70c1ae9 100644
--- a/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java b/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java
index 55fe927..2ea4639 100644
--- a/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java
@@ -19,10 +19,10 @@
 import android.app.AutomaticZenRule;
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
diff --git a/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java b/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java
index 792a272..faa0f8a 100644
--- a/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/notification/ZenModeBackend.java b/src/com/android/settings/notification/ZenModeBackend.java
index 9e2b650..8c8f14d 100644
--- a/src/com/android/settings/notification/ZenModeBackend.java
+++ b/src/com/android/settings/notification/ZenModeBackend.java
@@ -26,7 +26,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceController.java
index 79aa0cb..4ab1437 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java
index 7f8760b..6a0b657 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java
@@ -21,7 +21,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceController.java
index 8527696..d11baee 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceController.java
index 07f1229..3d25063 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java b/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java
index 9500320..b017cac 100644
--- a/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java
@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java b/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java
index 8b0cf5f..aa2b55c 100644
--- a/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java
+++ b/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java
@@ -27,7 +27,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.CheckBoxPreference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeButtonPreferenceController.java b/src/com/android/settings/notification/ZenModeButtonPreferenceController.java
index 12008a1..ac9497d 100644
--- a/src/com/android/settings/notification/ZenModeButtonPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeButtonPreferenceController.java
@@ -19,7 +19,7 @@
 import android.app.FragmentManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.View;
 import android.widget.Button;
 
diff --git a/src/com/android/settings/notification/ZenModeCallsPreferenceController.java b/src/com/android/settings/notification/ZenModeCallsPreferenceController.java
index ef1b09a..1b6c122 100644
--- a/src/com/android/settings/notification/ZenModeCallsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeCallsPreferenceController.java
@@ -19,9 +19,9 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/notification/ZenModeDurationPreferenceController.java b/src/com/android/settings/notification/ZenModeDurationPreferenceController.java
index 0cd0eb3..5e58444 100644
--- a/src/com/android/settings/notification/ZenModeDurationPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeDurationPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.FragmentManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/ZenModeEventRuleSettings.java b/src/com/android/settings/notification/ZenModeEventRuleSettings.java
index 9263d3a..51ea517 100644
--- a/src/com/android/settings/notification/ZenModeEventRuleSettings.java
+++ b/src/com/android/settings/notification/ZenModeEventRuleSettings.java
@@ -26,10 +26,10 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.EventInfo;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeEventsPreferenceController.java b/src/com/android/settings/notification/ZenModeEventsPreferenceController.java
index 4423494..8ca6cf6 100644
--- a/src/com/android/settings/notification/ZenModeEventsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeEventsPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 
diff --git a/src/com/android/settings/notification/ZenModeMediaPreferenceController.java b/src/com/android/settings/notification/ZenModeMediaPreferenceController.java
index 12cedf2..d8099be 100644
--- a/src/com/android/settings/notification/ZenModeMediaPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeMediaPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java b/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java
index 93d4aa7..5939abb 100644
--- a/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java
@@ -3,9 +3,9 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/notification/ZenModePreferenceController.java b/src/com/android/settings/notification/ZenModePreferenceController.java
index 5c9c33b..0d94029 100644
--- a/src/com/android/settings/notification/ZenModePreferenceController.java
+++ b/src/com/android/settings/notification/ZenModePreferenceController.java
@@ -23,8 +23,8 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Slog;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java b/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java
index b6c2922..c0f319a 100644
--- a/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java b/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java
index 765d407..e3f5c2f 100644
--- a/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java
@@ -19,9 +19,9 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/notification/ZenModeRuleSettingsBase.java b/src/com/android/settings/notification/ZenModeRuleSettingsBase.java
index b5ea9c4..576da16 100644
--- a/src/com/android/settings/notification/ZenModeRuleSettingsBase.java
+++ b/src/com/android/settings/notification/ZenModeRuleSettingsBase.java
@@ -23,8 +23,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.service.notification.ConditionProviderService;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.widget.Toast;
 
diff --git a/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java b/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java
index 4633f88..50ecd8b 100644
--- a/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java
+++ b/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java
@@ -28,10 +28,10 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.ScheduleInfo;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateFormat;
 import android.util.Log;
 import android.widget.TimePicker;
diff --git a/src/com/android/settings/notification/ZenModeSettings.java b/src/com/android/settings/notification/ZenModeSettings.java
index 62b3fe5..232502e 100644
--- a/src/com/android/settings/notification/ZenModeSettings.java
+++ b/src/com/android/settings/notification/ZenModeSettings.java
@@ -34,7 +34,7 @@
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java b/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java
index 752fe44..c21f23d 100644
--- a/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java
@@ -20,7 +20,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeSliceBuilder.java b/src/com/android/settings/notification/ZenModeSliceBuilder.java
index 16591ce..bf47154 100644
--- a/src/com/android/settings/notification/ZenModeSliceBuilder.java
+++ b/src/com/android/settings/notification/ZenModeSliceBuilder.java
@@ -44,7 +44,7 @@
 import androidx.slice.builders.ListBuilder;
 import androidx.slice.builders.SliceAction;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 public class ZenModeSliceBuilder {
 
diff --git a/src/com/android/settings/notification/ZenModeStarredContactsPreferenceController.java b/src/com/android/settings/notification/ZenModeStarredContactsPreferenceController.java
index 1b8a3d5..bab1661 100644
--- a/src/com/android/settings/notification/ZenModeStarredContactsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeStarredContactsPreferenceController.java
@@ -27,8 +27,8 @@
 import android.icu.text.ListFormatter;
 import android.provider.Contacts;
 import android.provider.ContactsContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeSystemPreferenceController.java b/src/com/android/settings/notification/ZenModeSystemPreferenceController.java
index 364c829..b41f11e 100644
--- a/src/com/android/settings/notification/ZenModeSystemPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeSystemPreferenceController.java
@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java b/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java
index 67fd822..4c49224 100644
--- a/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceController.java b/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceController.java
index 5d6a81c..2af7866 100644
--- a/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.NotificationManager.Policy;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceController.java b/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceController.java
index 552a545..c015d9d 100644
--- a/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.NotificationManager.Policy;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceController.java b/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceController.java
index b8a0a19..3fd5420 100644
--- a/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.NotificationManager.Policy;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/notification/ZenRulePreference.java b/src/com/android/settings/notification/ZenRulePreference.java
index fee390f..1bb1538 100644
--- a/src/com/android/settings/notification/ZenRulePreference.java
+++ b/src/com/android/settings/notification/ZenRulePreference.java
@@ -24,8 +24,8 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/overlay/FeatureFactoryImpl.java b/src/com/android/settings/overlay/FeatureFactoryImpl.java
index d058b3b..89e1eb8 100644
--- a/src/com/android/settings/overlay/FeatureFactoryImpl.java
+++ b/src/com/android/settings/overlay/FeatureFactoryImpl.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.os.UserManager;
-import android.support.annotation.Keep;
+import androidx.annotation.Keep;
 
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProviderImpl;
diff --git a/src/com/android/settings/overlay/SurveyFeatureProvider.java b/src/com/android/settings/overlay/SurveyFeatureProvider.java
index 416a602..d078d39 100644
--- a/src/com/android/settings/overlay/SurveyFeatureProvider.java
+++ b/src/com/android/settings/overlay/SurveyFeatureProvider.java
@@ -19,8 +19,8 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.IntentFilter;
-import android.support.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.Nullable;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 /**
  * An interface for classes wishing to provide the ability to serve surveys to implement.
diff --git a/src/com/android/settings/password/ChooseLockGeneric.java b/src/com/android/settings/password/ChooseLockGeneric.java
index 62978b3..add05e4 100644
--- a/src/com/android/settings/password/ChooseLockGeneric.java
+++ b/src/com/android/settings/password/ChooseLockGeneric.java
@@ -39,9 +39,9 @@
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 import android.security.KeyStore;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.EventLog;
 import android.util.Log;
diff --git a/src/com/android/settings/password/ChooseLockGenericController.java b/src/com/android/settings/password/ChooseLockGenericController.java
index a6a1701..2550510 100644
--- a/src/com/android/settings/password/ChooseLockGenericController.java
+++ b/src/com/android/settings/password/ChooseLockGenericController.java
@@ -19,8 +19,8 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/password/ChooseLockPassword.java b/src/com/android/settings/password/ChooseLockPassword.java
index e60b4e6..1913ec6 100644
--- a/src/com/android/settings/password/ChooseLockPassword.java
+++ b/src/com/android/settings/password/ChooseLockPassword.java
@@ -34,9 +34,9 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.support.annotation.StringRes;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.StringRes;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.Selection;
diff --git a/src/com/android/settings/password/PasswordRequirementAdapter.java b/src/com/android/settings/password/PasswordRequirementAdapter.java
index 5fcd8a9..0148ca5 100644
--- a/src/com/android/settings/password/PasswordRequirementAdapter.java
+++ b/src/com/android/settings/password/PasswordRequirementAdapter.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.password;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/password/SetupChooseLockGeneric.java b/src/com/android/settings/password/SetupChooseLockGeneric.java
index 179bd79..a720473 100644
--- a/src/com/android/settings/password/SetupChooseLockGeneric.java
+++ b/src/com/android/settings/password/SetupChooseLockGeneric.java
@@ -22,9 +22,9 @@
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/password/SetupChooseLockPassword.java b/src/com/android/settings/password/SetupChooseLockPassword.java
index 5c70736..56b66a3 100644
--- a/src/com/android/settings/password/SetupChooseLockPassword.java
+++ b/src/com/android/settings/password/SetupChooseLockPassword.java
@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
diff --git a/src/com/android/settings/password/SetupChooseLockPattern.java b/src/com/android/settings/password/SetupChooseLockPattern.java
index c9858b8..0b272f5 100644
--- a/src/com/android/settings/password/SetupChooseLockPattern.java
+++ b/src/com/android/settings/password/SetupChooseLockPattern.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/password/SetupSkipDialog.java b/src/com/android/settings/password/SetupSkipDialog.java
index adc645e..f5396c4 100644
--- a/src/com/android/settings/password/SetupSkipDialog.java
+++ b/src/com/android/settings/password/SetupSkipDialog.java
@@ -22,7 +22,7 @@
 import android.app.FragmentManager;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/print/PrintJobSettingsFragment.java b/src/com/android/settings/print/PrintJobSettingsFragment.java
index c16642a..bb50d0a 100644
--- a/src/com/android/settings/print/PrintJobSettingsFragment.java
+++ b/src/com/android/settings/print/PrintJobSettingsFragment.java
@@ -25,7 +25,7 @@
 import android.print.PrintJobInfo;
 import android.print.PrintManager;
 import android.print.PrintManager.PrintJobStateChangeListener;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/print/PrintSettingPreferenceController.java b/src/com/android/settings/print/PrintSettingPreferenceController.java
index 2307b2c..f40846a 100644
--- a/src/com/android/settings/print/PrintSettingPreferenceController.java
+++ b/src/com/android/settings/print/PrintSettingPreferenceController.java
@@ -24,8 +24,8 @@
 import android.print.PrintJobInfo;
 import android.print.PrintManager;
 import android.printservice.PrintServiceInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/print/PrintSettingsFragment.java b/src/com/android/settings/print/PrintSettingsFragment.java
index 21ee360..b42be8f 100644
--- a/src/com/android/settings/print/PrintSettingsFragment.java
+++ b/src/com/android/settings/print/PrintSettingsFragment.java
@@ -39,8 +39,8 @@
 import android.printservice.PrintServiceInfo;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/search/BaseSearchIndexProvider.java b/src/com/android/settings/search/BaseSearchIndexProvider.java
index dbd28a3..3864750 100644
--- a/src/com/android/settings/search/BaseSearchIndexProvider.java
+++ b/src/com/android/settings/search/BaseSearchIndexProvider.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.res.XmlResourceParser;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.CallSuper;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.CallSuper;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/search/DatabaseIndexingManager.java b/src/com/android/settings/search/DatabaseIndexingManager.java
index 8a18efa..e793cac 100644
--- a/src/com/android/settings/search/DatabaseIndexingManager.java
+++ b/src/com/android/settings/search/DatabaseIndexingManager.java
@@ -55,7 +55,7 @@
 import android.os.Build;
 import android.provider.SearchIndexablesContract;
 import android.provider.SearchIndexablesContract.SiteMapColumns;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/search/IndexDatabaseHelper.java b/src/com/android/settings/search/IndexDatabaseHelper.java
index 5b47616..7c87bf7 100644
--- a/src/com/android/settings/search/IndexDatabaseHelper.java
+++ b/src/com/android/settings/search/IndexDatabaseHelper.java
@@ -23,7 +23,7 @@
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Build;
 import android.provider.SearchIndexablesContract.SiteMapColumns;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/search/SearchIndexableResourcesImpl.java b/src/com/android/settings/search/SearchIndexableResourcesImpl.java
index 0001c7d..7d7606d 100644
--- a/src/com/android/settings/search/SearchIndexableResourcesImpl.java
+++ b/src/com/android/settings/search/SearchIndexableResourcesImpl.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.search;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.DateTimeSettings;
 import com.android.settings.DisplaySettings;
diff --git a/src/com/android/settings/search/indexing/IndexDataConverter.java b/src/com/android/settings/search/indexing/IndexDataConverter.java
index 5d20704..8aa84fa 100644
--- a/src/com/android/settings/search/indexing/IndexDataConverter.java
+++ b/src/com/android/settings/search/indexing/IndexDataConverter.java
@@ -23,7 +23,7 @@
 import android.content.res.XmlResourceParser;
 import android.provider.SearchIndexableData;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.DrawableRes;
+import androidx.annotation.DrawableRes;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
index ec41a54..c244e47 100644
--- a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
+++ b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/security/ChangeScreenLockPreferenceController.java b/src/com/android/settings/security/ChangeScreenLockPreferenceController.java
index d9e339b..5188d1c 100644
--- a/src/com/android/settings/security/ChangeScreenLockPreferenceController.java
+++ b/src/com/android/settings/security/ChangeScreenLockPreferenceController.java
@@ -21,8 +21,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/security/ConfigureKeyGuardDialog.java b/src/com/android/settings/security/ConfigureKeyGuardDialog.java
index dfe3bbe..f5d9068 100644
--- a/src/com/android/settings/security/ConfigureKeyGuardDialog.java
+++ b/src/com/android/settings/security/ConfigureKeyGuardDialog.java
@@ -23,7 +23,7 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.CredentialStorage;
diff --git a/src/com/android/settings/security/CredentialStoragePreferenceController.java b/src/com/android/settings/security/CredentialStoragePreferenceController.java
index 53f11f5..3bf61f6 100644
--- a/src/com/android/settings/security/CredentialStoragePreferenceController.java
+++ b/src/com/android/settings/security/CredentialStoragePreferenceController.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.security.KeyStore;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/security/CryptKeeperSettings.java b/src/com/android/settings/security/CryptKeeperSettings.java
index 64f5abb..72ae0a7 100644
--- a/src/com/android/settings/security/CryptKeeperSettings.java
+++ b/src/com/android/settings/security/CryptKeeperSettings.java
@@ -28,7 +28,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/security/EncryptionStatusPreferenceController.java b/src/com/android/settings/security/EncryptionStatusPreferenceController.java
index 0ecab36..27e896a 100644
--- a/src/com/android/settings/security/EncryptionStatusPreferenceController.java
+++ b/src/com/android/settings/security/EncryptionStatusPreferenceController.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/security/LockUnificationPreferenceController.java b/src/com/android/settings/security/LockUnificationPreferenceController.java
index d6c6681..ca6dc2d 100644
--- a/src/com/android/settings/security/LockUnificationPreferenceController.java
+++ b/src/com/android/settings/security/LockUnificationPreferenceController.java
@@ -27,8 +27,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/security/LockdownButtonPreferenceController.java b/src/com/android/settings/security/LockdownButtonPreferenceController.java
index 8960502..d0a49d7 100644
--- a/src/com/android/settings/security/LockdownButtonPreferenceController.java
+++ b/src/com/android/settings/security/LockdownButtonPreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/security/LockscreenDashboardFragment.java b/src/com/android/settings/security/LockscreenDashboardFragment.java
index 21b4c92..c928b8e 100644
--- a/src/com/android/settings/security/LockscreenDashboardFragment.java
+++ b/src/com/android/settings/security/LockscreenDashboardFragment.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/security/OwnerInfoPreferenceController.java b/src/com/android/settings/security/OwnerInfoPreferenceController.java
index 395e532..01a0290 100644
--- a/src/com/android/settings/security/OwnerInfoPreferenceController.java
+++ b/src/com/android/settings/security/OwnerInfoPreferenceController.java
@@ -18,10 +18,10 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/security/ResetCredentialsPreferenceController.java b/src/com/android/settings/security/ResetCredentialsPreferenceController.java
index 7b91b15..d77fa62 100644
--- a/src/com/android/settings/security/ResetCredentialsPreferenceController.java
+++ b/src/com/android/settings/security/ResetCredentialsPreferenceController.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.security.KeyStore;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/security/ScreenPinningSettings.java b/src/com/android/settings/security/ScreenPinningSettings.java
index 6e4856e..4806b8e 100644
--- a/src/com/android/settings/security/ScreenPinningSettings.java
+++ b/src/com/android/settings/security/ScreenPinningSettings.java
@@ -22,10 +22,10 @@
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/settings/security/SimLockPreferenceController.java b/src/com/android/settings/security/SimLockPreferenceController.java
index 797f098..683b99a 100644
--- a/src/com/android/settings/security/SimLockPreferenceController.java
+++ b/src/com/android/settings/security/SimLockPreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.PersistableBundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
diff --git a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
index 22742e5..1c71975 100644
--- a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
+++ b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java b/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java
index 71a33f7..c2bd38b 100644
--- a/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java
@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java b/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java
index d42af2d..1624f12 100644
--- a/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java
@@ -20,8 +20,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java b/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java
index beddd4b..5f43680 100644
--- a/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java
+++ b/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java b/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java
index 1a32a0e..6421bd9 100644
--- a/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
index 322682e..3d92bde 100644
--- a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
+++ b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java b/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java
index ec81aad..89d8de7 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java
@@ -23,10 +23,10 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/security/trustagent/TrustAgentManager.java b/src/com/android/settings/security/trustagent/TrustAgentManager.java
index 3710905..7dcb832 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentManager.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentManager.java
@@ -29,7 +29,7 @@
 import android.content.res.XmlResourceParser;
 import android.os.UserHandle;
 import android.service.trust.TrustAgentService;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
diff --git a/src/com/android/settings/security/trustagent/TrustAgentSettings.java b/src/com/android/settings/security/trustagent/TrustAgentSettings.java
index b7f89ba..02d354a 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentSettings.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentSettings.java
@@ -28,9 +28,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.service.trust.TrustAgentService;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 
diff --git a/src/com/android/settings/shortcut/CreateShortcut.java b/src/com/android/settings/shortcut/CreateShortcut.java
index b078740..78969fe 100644
--- a/src/com/android/settings/shortcut/CreateShortcut.java
+++ b/src/com/android/settings/shortcut/CreateShortcut.java
@@ -33,7 +33,7 @@
 import android.graphics.drawable.LayerDrawable;
 import android.net.ConnectivityManager;
 import android.os.AsyncTask;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/settings/sim/SimSelectNotification.java b/src/com/android/settings/sim/SimSelectNotification.java
index 2dd2dcf..ebf34e5 100644
--- a/src/com/android/settings/sim/SimSelectNotification.java
+++ b/src/com/android/settings/sim/SimSelectNotification.java
@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/sim/SimSettings.java b/src/com/android/settings/sim/SimSettings.java
index 3d6bfb1..b0cf194 100644
--- a/src/com/android/settings/sim/SimSettings.java
+++ b/src/com/android/settings/sim/SimSettings.java
@@ -23,8 +23,8 @@
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.telephony.PhoneNumberUtils;
diff --git a/src/com/android/settings/slices/SettingsSliceProvider.java b/src/com/android/settings/slices/SettingsSliceProvider.java
index 841247b..4b9a7ec 100644
--- a/src/com/android/settings/slices/SettingsSliceProvider.java
+++ b/src/com/android/settings/slices/SettingsSliceProvider.java
@@ -26,7 +26,7 @@
 import android.os.StrictMode;
 import android.provider.Settings;
 import android.provider.SettingsSlicesContract;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.KeyValueListParser;
diff --git a/src/com/android/settings/slices/SliceBuilderUtils.java b/src/com/android/settings/slices/SliceBuilderUtils.java
index d2c2669..baac3b6 100644
--- a/src/com/android/settings/slices/SliceBuilderUtils.java
+++ b/src/com/android/settings/slices/SliceBuilderUtils.java
@@ -49,7 +49,7 @@
 import com.android.settingslib.SliceBroadcastRelay;
 import com.android.settingslib.core.AbstractPreferenceController;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import java.util.ArrayList;
 import java.util.Arrays;
diff --git a/src/com/android/settings/slices/SlicesDatabaseHelper.java b/src/com/android/settings/slices/SlicesDatabaseHelper.java
index 9016113..d4b71cf 100644
--- a/src/com/android/settings/slices/SlicesDatabaseHelper.java
+++ b/src/com/android/settings/slices/SlicesDatabaseHelper.java
@@ -21,7 +21,7 @@
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import java.util.Locale;
diff --git a/src/com/android/settings/slices/SlicesIndexer.java b/src/com/android/settings/slices/SlicesIndexer.java
index 6ab69bb..704d8d6 100644
--- a/src/com/android/settings/slices/SlicesIndexer.java
+++ b/src/com/android/settings/slices/SlicesIndexer.java
@@ -19,7 +19,7 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/src/com/android/settings/sound/AudioSwitchPreferenceController.java b/src/com/android/settings/sound/AudioSwitchPreferenceController.java
index 6723660..119fadb 100644
--- a/src/com/android/settings/sound/AudioSwitchPreferenceController.java
+++ b/src/com/android/settings/sound/AudioSwitchPreferenceController.java
@@ -37,9 +37,9 @@
 import android.media.MediaRouter.Callback;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.FeatureFlagUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java b/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java
index f7f547a..fdbf610 100644
--- a/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java
+++ b/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java
@@ -24,7 +24,7 @@
 
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.bluetooth.HeadsetProfile;
diff --git a/src/com/android/settings/sound/MediaOutputPreferenceController.java b/src/com/android/settings/sound/MediaOutputPreferenceController.java
index b456263..bf9e37f 100644
--- a/src/com/android/settings/sound/MediaOutputPreferenceController.java
+++ b/src/com/android/settings/sound/MediaOutputPreferenceController.java
@@ -26,7 +26,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.bluetooth.A2dpProfile;
diff --git a/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java b/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java
index cddbb57..1ec566e 100644
--- a/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java
+++ b/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java
@@ -25,8 +25,8 @@
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/system/SystemDashboardFragment.java b/src/com/android/settings/system/SystemDashboardFragment.java
index 1556659..62be5ff 100644
--- a/src/com/android/settings/system/SystemDashboardFragment.java
+++ b/src/com/android/settings/system/SystemDashboardFragment.java
@@ -18,9 +18,9 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/system/SystemUpdatePreferenceController.java b/src/com/android/settings/system/SystemUpdatePreferenceController.java
index 88715bf..54ab924 100644
--- a/src/com/android/settings/system/SystemUpdatePreferenceController.java
+++ b/src/com/android/settings/system/SystemUpdatePreferenceController.java
@@ -25,8 +25,8 @@
 import android.os.PersistableBundle;
 import android.os.SystemUpdateManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index 9bb7958..95ac8f5 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java
@@ -31,8 +31,8 @@
 import android.speech.tts.TextToSpeech.EngineInfo;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.UtteranceProgressListener;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
diff --git a/src/com/android/settings/tts/TtsEnginePreference.java b/src/com/android/settings/tts/TtsEnginePreference.java
index 9a84002..a5cb1fd 100644
--- a/src/com/android/settings/tts/TtsEnginePreference.java
+++ b/src/com/android/settings/tts/TtsEnginePreference.java
@@ -21,8 +21,8 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.speech.tts.TextToSpeech.EngineInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.widget.Checkable;
 import android.widget.CompoundButton;
diff --git a/src/com/android/settings/tts/TtsEnginePreferenceFragment.java b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
index 8e6cfec..2b35a59 100644
--- a/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
+++ b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
@@ -5,7 +5,7 @@
 import android.os.Bundle;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.TextToSpeech.EngineInfo;
 import com.android.settings.SettingsActivity;
diff --git a/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java b/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java
index 06601fa..bebc2d7 100644
--- a/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java
+++ b/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java
@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/src/com/android/settings/users/AppRestrictionsFragment.java b/src/com/android/settings/users/AppRestrictionsFragment.java
index d487c70..db13242 100644
--- a/src/com/android/settings/users/AppRestrictionsFragment.java
+++ b/src/com/android/settings/users/AppRestrictionsFragment.java
@@ -36,14 +36,14 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.MultiSelectListPreference;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.MultiSelectListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/users/AutoSyncDataPreferenceController.java b/src/com/android/settings/users/AutoSyncDataPreferenceController.java
index 920e350..42de892 100644
--- a/src/com/android/settings/users/AutoSyncDataPreferenceController.java
+++ b/src/com/android/settings/users/AutoSyncDataPreferenceController.java
@@ -26,8 +26,8 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/users/EditUserPhotoController.java b/src/com/android/settings/users/EditUserPhotoController.java
index c348b4aa..9368b81 100644
--- a/src/com/android/settings/users/EditUserPhotoController.java
+++ b/src/com/android/settings/users/EditUserPhotoController.java
@@ -38,7 +38,7 @@
 import android.os.UserManager;
 import android.provider.ContactsContract.DisplayPhoto;
 import android.provider.MediaStore;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
diff --git a/src/com/android/settings/users/UserDetailsSettings.java b/src/com/android/settings/users/UserDetailsSettings.java
index 47aed02..d18e2ea 100644
--- a/src/com/android/settings/users/UserDetailsSettings.java
+++ b/src/com/android/settings/users/UserDetailsSettings.java
@@ -23,8 +23,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/users/UserPreference.java b/src/com/android/settings/users/UserPreference.java
index 8b53dd4..391e13a 100644
--- a/src/com/android/settings/users/UserPreference.java
+++ b/src/com/android/settings/users/UserPreference.java
@@ -20,7 +20,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index bc02b30..5e88895 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java
@@ -43,12 +43,12 @@
 import android.provider.ContactsContract;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.Menu;
diff --git a/src/com/android/settings/utils/ManagedServiceSettings.java b/src/com/android/settings/utils/ManagedServiceSettings.java
index e89757c..71f52f8 100644
--- a/src/com/android/settings/utils/ManagedServiceSettings.java
+++ b/src/com/android/settings/utils/ManagedServiceSettings.java
@@ -30,8 +30,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 import android.view.View;
diff --git a/src/com/android/settings/utils/SettingsDividerItemDecoration.java b/src/com/android/settings/utils/SettingsDividerItemDecoration.java
index 451d532..32844d5 100644
--- a/src/com/android/settings/utils/SettingsDividerItemDecoration.java
+++ b/src/com/android/settings/utils/SettingsDividerItemDecoration.java
@@ -17,8 +17,8 @@
 package com.android.settings.utils;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.setupwizardlib.DividerItemDecoration;
 
diff --git a/src/com/android/settings/vpn2/AppManagementFragment.java b/src/com/android/settings/vpn2/AppManagementFragment.java
index b554c83..1d77caf 100644
--- a/src/com/android/settings/vpn2/AppManagementFragment.java
+++ b/src/com/android/settings/vpn2/AppManagementFragment.java
@@ -34,7 +34,7 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/settings/vpn2/AppPreference.java b/src/com/android/settings/vpn2/AppPreference.java
index 3369970..fc06b1e 100644
--- a/src/com/android/settings/vpn2/AppPreference.java
+++ b/src/com/android/settings/vpn2/AppPreference.java
@@ -21,13 +21,13 @@
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.net.LegacyVpnInfo;
 import com.android.internal.net.VpnConfig;
 
 /**
- * {@link android.support.v7.preference.Preference} containing information about a VPN
+ * {@link androidx.preference.Preference} containing information about a VPN
  * application. Tracks the package name and connection state.
  */
 public class AppPreference extends ManageablePreference {
diff --git a/src/com/android/settings/vpn2/LegacyVpnPreference.java b/src/com/android/settings/vpn2/LegacyVpnPreference.java
index c2d9388..1f06a95 100644
--- a/src/com/android/settings/vpn2/LegacyVpnPreference.java
+++ b/src/com/android/settings/vpn2/LegacyVpnPreference.java
@@ -19,7 +19,7 @@
 import static com.android.internal.net.LegacyVpnInfo.STATE_CONNECTED;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.View;
 
@@ -27,7 +27,7 @@
 import com.android.settings.R;
 
 /**
- * {@link android.support.v7.preference.Preference} tracks the underlying legacy vpn profile and
+ * {@link androidx.preference.Preference} tracks the underlying legacy vpn profile and
  * its connection state.
  */
 public class LegacyVpnPreference extends ManageablePreference {
diff --git a/src/com/android/settings/vpn2/VpnSettings.java b/src/com/android/settings/vpn2/VpnSettings.java
index 0a3bfe6..f6444bf 100644
--- a/src/com/android/settings/vpn2/VpnSettings.java
+++ b/src/com/android/settings/vpn2/VpnSettings.java
@@ -40,8 +40,8 @@
 import android.os.UserManager;
 import android.security.Credentials;
 import android.security.KeyStore;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
diff --git a/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java b/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java
index 22835f3..80910a1 100644
--- a/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java
+++ b/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java
@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/src/com/android/settings/wallpaper/WallpaperTypeSettings.java b/src/com/android/settings/wallpaper/WallpaperTypeSettings.java
index 1a1e121..73a58fe 100644
--- a/src/com/android/settings/wallpaper/WallpaperTypeSettings.java
+++ b/src/com/android/settings/wallpaper/WallpaperTypeSettings.java
@@ -22,8 +22,8 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/src/com/android/settings/webview/WebViewAppPicker.java b/src/com/android/settings/webview/WebViewAppPicker.java
index f68d27b..6a8ab50 100644
--- a/src/com/android/settings/webview/WebViewAppPicker.java
+++ b/src/com/android/settings/webview/WebViewAppPicker.java
@@ -25,7 +25,7 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageItemInfo;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.webkit.UserPackage;
 
diff --git a/src/com/android/settings/wfd/WifiDisplaySettings.java b/src/com/android/settings/wfd/WifiDisplaySettings.java
index 8f42389..5ab0bcb 100755
--- a/src/com/android/settings/wfd/WifiDisplaySettings.java
+++ b/src/com/android/settings/wfd/WifiDisplaySettings.java
@@ -39,14 +39,14 @@
 import android.os.Looper;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Slog;
 import android.util.TypedValue;
 import android.view.Menu;
diff --git a/src/com/android/settings/widget/ActionBarShadowController.java b/src/com/android/settings/widget/ActionBarShadowController.java
index 3ffa0ac..cb5e38d 100644
--- a/src/com/android/settings/widget/ActionBarShadowController.java
+++ b/src/com/android/settings/widget/ActionBarShadowController.java
@@ -18,8 +18,8 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/src/com/android/settings/widget/ActionButtonPreference.java b/src/com/android/settings/widget/ActionButtonPreference.java
index bb5d490..64a01c7 100644
--- a/src/com/android/settings/widget/ActionButtonPreference.java
+++ b/src/com/android/settings/widget/ActionButtonPreference.java
@@ -17,9 +17,9 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/widget/AppCheckBoxPreference.java b/src/com/android/settings/widget/AppCheckBoxPreference.java
index 9cb1d78..23ee894 100644
--- a/src/com/android/settings/widget/AppCheckBoxPreference.java
+++ b/src/com/android/settings/widget/AppCheckBoxPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.CheckBoxPreference;
 import android.util.AttributeSet;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/widget/AppPreference.java b/src/com/android/settings/widget/AppPreference.java
index 8a0e6a1..3b716a3 100644
--- a/src/com/android/settings/widget/AppPreference.java
+++ b/src/com/android/settings/widget/AppPreference.java
@@ -16,8 +16,8 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/widget/AppSwitchPreference.java b/src/com/android/settings/widget/AppSwitchPreference.java
index d67e895..b42bb3d 100644
--- a/src/com/android/settings/widget/AppSwitchPreference.java
+++ b/src/com/android/settings/widget/AppSwitchPreference.java
@@ -17,8 +17,8 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.view.View;
 
diff --git a/src/com/android/settings/widget/AspectRatioFrameLayout.java b/src/com/android/settings/widget/AspectRatioFrameLayout.java
index 52dea0f..5eab257 100644
--- a/src/com/android/settings/widget/AspectRatioFrameLayout.java
+++ b/src/com/android/settings/widget/AspectRatioFrameLayout.java
@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
 
diff --git a/src/com/android/settings/widget/DisabledCheckBoxPreference.java b/src/com/android/settings/widget/DisabledCheckBoxPreference.java
index e441e21..3966864 100644
--- a/src/com/android/settings/widget/DisabledCheckBoxPreference.java
+++ b/src/com/android/settings/widget/DisabledCheckBoxPreference.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 
diff --git a/src/com/android/settings/widget/DonutView.java b/src/com/android/settings/widget/DonutView.java
index 00e7345..32b994a 100644
--- a/src/com/android/settings/widget/DonutView.java
+++ b/src/com/android/settings/widget/DonutView.java
@@ -25,7 +25,7 @@
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.Typeface;
 import android.icu.text.DecimalFormatSymbols;
-import android.support.annotation.ColorRes;
+import androidx.annotation.ColorRes;
 import android.text.Layout;
 import android.text.Spannable;
 import android.text.SpannableString;
diff --git a/src/com/android/settings/widget/DotsPageIndicator.java b/src/com/android/settings/widget/DotsPageIndicator.java
index 0e10d48..096338b 100644
--- a/src/com/android/settings/widget/DotsPageIndicator.java
+++ b/src/com/android/settings/widget/DotsPageIndicator.java
@@ -30,7 +30,7 @@
 import android.graphics.Path;
 import android.graphics.RectF;
 import android.os.Build;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.animation.Interpolator;
@@ -188,7 +188,7 @@
 
     /***
      * As this class <b>must</b> act as the {@link ViewPager.OnPageChangeListener} for the ViewPager
-     * (as set by {@link #setViewPager(android.support.v4.view.ViewPager)}).  Applications may set a
+     * (as set by {@link #setViewPager(androidx.viewpager.widget.ViewPager)}).  Applications may set a
      * listener here to be notified of the ViewPager events.
      *
      * @param onPageChangeListener
diff --git a/src/com/android/settings/widget/EntityHeaderController.java b/src/com/android/settings/widget/EntityHeaderController.java
index c40d4da..0f3a8b0 100644
--- a/src/com/android/settings/widget/EntityHeaderController.java
+++ b/src/com/android/settings/widget/EntityHeaderController.java
@@ -31,9 +31,9 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.IconDrawableFactory;
 import android.util.Log;
diff --git a/src/com/android/settings/widget/FixedLineSummaryPreference.java b/src/com/android/settings/widget/FixedLineSummaryPreference.java
index efc8aa2..7187c7b 100644
--- a/src/com/android/settings/widget/FixedLineSummaryPreference.java
+++ b/src/com/android/settings/widget/FixedLineSummaryPreference.java
@@ -16,8 +16,8 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils.TruncateAt;
 import android.util.AttributeSet;
 import android.widget.TextView;
diff --git a/src/com/android/settings/widget/GearPreference.java b/src/com/android/settings/widget/GearPreference.java
index 9593798..200156b 100644
--- a/src/com/android/settings/widget/GearPreference.java
+++ b/src/com/android/settings/widget/GearPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 
diff --git a/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java b/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java
index d2deda1..3a5548e 100644
--- a/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java
+++ b/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java
@@ -25,12 +25,12 @@
 import android.content.Context;
 import android.graphics.Color;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceGroupAdapter;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceGroupAdapter;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.TypedValue;
diff --git a/src/com/android/settings/widget/HotspotApBandSelectionPreference.java b/src/com/android/settings/widget/HotspotApBandSelectionPreference.java
index 0a2405e..b249b99 100644
--- a/src/com/android/settings/widget/HotspotApBandSelectionPreference.java
+++ b/src/com/android/settings/widget/HotspotApBandSelectionPreference.java
@@ -22,7 +22,7 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;
diff --git a/src/com/android/settings/widget/LabeledSeekBar.java b/src/com/android/settings/widget/LabeledSeekBar.java
index 8e5a30b..7725283 100644
--- a/src/com/android/settings/widget/LabeledSeekBar.java
+++ b/src/com/android/settings/widget/LabeledSeekBar.java
@@ -20,9 +20,9 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
-import android.support.v4.widget.ExploreByTouchHelper;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.customview.widget.ExploreByTouchHelper;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/src/com/android/settings/widget/MasterCheckBoxPreference.java b/src/com/android/settings/widget/MasterCheckBoxPreference.java
index fceeac2..8fe59e8 100644
--- a/src/com/android/settings/widget/MasterCheckBoxPreference.java
+++ b/src/com/android/settings/widget/MasterCheckBoxPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/widget/MasterSwitchController.java b/src/com/android/settings/widget/MasterSwitchController.java
index a22640c..1244d33 100644
--- a/src/com/android/settings/widget/MasterSwitchController.java
+++ b/src/com/android/settings/widget/MasterSwitchController.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.widget;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
diff --git a/src/com/android/settings/widget/MasterSwitchPreference.java b/src/com/android/settings/widget/MasterSwitchPreference.java
index 73774be..765eae1 100644
--- a/src/com/android/settings/widget/MasterSwitchPreference.java
+++ b/src/com/android/settings/widget/MasterSwitchPreference.java
@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
diff --git a/src/com/android/settings/widget/RadioButtonPickerFragment.java b/src/com/android/settings/widget/RadioButtonPickerFragment.java
index 1465c60..8142d0b 100644
--- a/src/com/android/settings/widget/RadioButtonPickerFragment.java
+++ b/src/com/android/settings/widget/RadioButtonPickerFragment.java
@@ -20,10 +20,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/widget/RadioButtonPreference.java b/src/com/android/settings/widget/RadioButtonPreference.java
index 2d30687..9b5c170 100644
--- a/src/com/android/settings/widget/RadioButtonPreference.java
+++ b/src/com/android/settings/widget/RadioButtonPreference.java
@@ -17,9 +17,9 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
@@ -53,7 +53,7 @@
 
     public RadioButtonPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 
diff --git a/src/com/android/settings/widget/RestrictedAppPreference.java b/src/com/android/settings/widget/RestrictedAppPreference.java
index af6d8d1..9518c69 100644
--- a/src/com/android/settings/widget/RestrictedAppPreference.java
+++ b/src/com/android/settings/widget/RestrictedAppPreference.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/widget/RtlCompatibleViewPager.java b/src/com/android/settings/widget/RtlCompatibleViewPager.java
index f3e4bab..ac28e7b 100644
--- a/src/com/android/settings/widget/RtlCompatibleViewPager.java
+++ b/src/com/android/settings/widget/RtlCompatibleViewPager.java
@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Parcelable;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
diff --git a/src/com/android/settings/widget/SeekBarPreference.java b/src/com/android/settings/widget/SeekBarPreference.java
index 85e0896..2919b36 100644
--- a/src/com/android/settings/widget/SeekBarPreference.java
+++ b/src/com/android/settings/widget/SeekBarPreference.java
@@ -20,8 +20,8 @@
 import android.content.res.TypedArray;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
@@ -78,7 +78,7 @@
 
     public SeekBarPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                        android.support.v7.preference.R.attr.seekBarPreferenceStyle,
+                        androidx.preference.R.attr.seekBarPreferenceStyle,
                         com.android.internal.R.attr.seekBarPreferenceStyle));
     }
 
diff --git a/src/com/android/settings/widget/SlidingTabLayout.java b/src/com/android/settings/widget/SlidingTabLayout.java
index 7099646..ef024ef 100644
--- a/src/com/android/settings/widget/SlidingTabLayout.java
+++ b/src/com/android/settings/widget/SlidingTabLayout.java
@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.LayoutInflater;
diff --git a/src/com/android/settings/widget/SwitchBar.java b/src/com/android/settings/widget/SwitchBar.java
index 004e89c..857075b 100644
--- a/src/com/android/settings/widget/SwitchBar.java
+++ b/src/com/android/settings/widget/SwitchBar.java
@@ -23,9 +23,9 @@
 import android.graphics.Rect;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.ColorInt;
-import android.support.annotation.StringRes;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.ColorInt;
+import androidx.annotation.StringRes;
+import androidx.annotation.VisibleForTesting;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.style.TextAppearanceSpan;
diff --git a/src/com/android/settings/widget/TwoStateButtonPreference.java b/src/com/android/settings/widget/TwoStateButtonPreference.java
index 78d4874..0f71268 100644
--- a/src/com/android/settings/widget/TwoStateButtonPreference.java
+++ b/src/com/android/settings/widget/TwoStateButtonPreference.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.res.TypedArrayUtils;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.res.TypedArrayUtils;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;
diff --git a/src/com/android/settings/widget/UpdatableListPreferenceDialogFragment.java b/src/com/android/settings/widget/UpdatableListPreferenceDialogFragment.java
index 9369778..0243a68 100644
--- a/src/com/android/settings/widget/UpdatableListPreferenceDialogFragment.java
+++ b/src/com/android/settings/widget/UpdatableListPreferenceDialogFragment.java
@@ -18,9 +18,9 @@
 import android.app.AlertDialog;
 import android.content.res.TypedArray;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceDialogFragment;
-import android.support.v7.preference.ListPreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceDialogFragment;
+import androidx.preference.ListPreference;
 import android.widget.ArrayAdapter;
 import com.android.settingslib.core.instrumentation.Instrumentable;
 
diff --git a/src/com/android/settings/widget/ValidatedEditTextPreference.java b/src/com/android/settings/widget/ValidatedEditTextPreference.java
index 707da00..8ffffb7 100644
--- a/src/com/android/settings/widget/ValidatedEditTextPreference.java
+++ b/src/com/android/settings/widget/ValidatedEditTextPreference.java
@@ -18,8 +18,8 @@
 
 import android.app.AlertDialog;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/widget/VideoPreference.java b/src/com/android/settings/widget/VideoPreference.java
index 03f8f0b..4ec9829 100644
--- a/src/com/android/settings/widget/VideoPreference.java
+++ b/src/com/android/settings/widget/VideoPreference.java
@@ -22,9 +22,9 @@
 import android.graphics.SurfaceTexture;
 import android.media.MediaPlayer;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.Surface;
diff --git a/src/com/android/settings/widget/WorkOnlyCategory.java b/src/com/android/settings/widget/WorkOnlyCategory.java
index 53badb2..449916b 100644
--- a/src/com/android/settings/widget/WorkOnlyCategory.java
+++ b/src/com/android/settings/widget/WorkOnlyCategory.java
@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 import com.android.settings.SelfAvailablePreference;
diff --git a/src/com/android/settings/wifi/CellularFallbackPreferenceController.java b/src/com/android/settings/wifi/CellularFallbackPreferenceController.java
index 2baf261..2fefb43 100644
--- a/src/com/android/settings/wifi/CellularFallbackPreferenceController.java
+++ b/src/com/android/settings/wifi/CellularFallbackPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/wifi/ChangeWifiStateDetails.java b/src/com/android/settings/wifi/ChangeWifiStateDetails.java
index 1df11e0..1c59ddd 100644
--- a/src/com/android/settings/wifi/ChangeWifiStateDetails.java
+++ b/src/com/android/settings/wifi/ChangeWifiStateDetails.java
@@ -21,9 +21,9 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/wifi/ConnectedAccessPointPreference.java b/src/com/android/settings/wifi/ConnectedAccessPointPreference.java
index def48e0..1e3723e 100644
--- a/src/com/android/settings/wifi/ConnectedAccessPointPreference.java
+++ b/src/com/android/settings/wifi/ConnectedAccessPointPreference.java
@@ -17,8 +17,8 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.annotation.DrawableRes;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.DrawableRes;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/LinkablePreference.java b/src/com/android/settings/wifi/LinkablePreference.java
index 9a6b11a..e4cb95b 100644
--- a/src/com/android/settings/wifi/LinkablePreference.java
+++ b/src/com/android/settings/wifi/LinkablePreference.java
@@ -17,9 +17,9 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Spannable;
 import android.text.method.LinkMovementMethod;
 import android.text.style.TextAppearanceSpan;
diff --git a/src/com/android/settings/wifi/LongPressAccessPointPreference.java b/src/com/android/settings/wifi/LongPressAccessPointPreference.java
index 93097db..213589b 100644
--- a/src/com/android/settings/wifi/LongPressAccessPointPreference.java
+++ b/src/com/android/settings/wifi/LongPressAccessPointPreference.java
@@ -17,7 +17,7 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.widget.ImageView;
 import com.android.settings.R;
 import com.android.settingslib.wifi.AccessPoint;
diff --git a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
index 79b7653..baf273c 100644
--- a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
+++ b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
@@ -22,9 +22,9 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/wifi/RequestToggleWiFiActivity.java b/src/com/android/settings/wifi/RequestToggleWiFiActivity.java
index c641308..c45db69 100644
--- a/src/com/android/settings/wifi/RequestToggleWiFiActivity.java
+++ b/src/com/android/settings/wifi/RequestToggleWiFiActivity.java
@@ -26,7 +26,7 @@
 import android.content.pm.PackageManager;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java b/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java
index 76e4557..25c97b2 100644
--- a/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java
+++ b/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java
@@ -24,9 +24,9 @@
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.widget.Toast;
 
diff --git a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
index 5a21bb7..6bc2d98 100644
--- a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
+++ b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
@@ -13,10 +13,10 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/WifiAPITest.java b/src/com/android/settings/wifi/WifiAPITest.java
index 1a5eb15..35f700d 100644
--- a/src/com/android/settings/wifi/WifiAPITest.java
+++ b/src/com/android/settings/wifi/WifiAPITest.java
@@ -22,8 +22,8 @@
 import android.content.DialogInterface;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.Editable;
 import android.widget.EditText;
 
diff --git a/src/com/android/settings/wifi/WifiConfigController.java b/src/com/android/settings/wifi/WifiConfigController.java
index 26e7b57..22de20c 100644
--- a/src/com/android/settings/wifi/WifiConfigController.java
+++ b/src/com/android/settings/wifi/WifiConfigController.java
@@ -38,7 +38,7 @@
 import android.os.UserManager;
 import android.security.Credentials;
 import android.security.KeyStore;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextUtils;
diff --git a/src/com/android/settings/wifi/WifiDetailPreference.java b/src/com/android/settings/wifi/WifiDetailPreference.java
index b62df56..f7ddac7 100644
--- a/src/com/android/settings/wifi/WifiDetailPreference.java
+++ b/src/com/android/settings/wifi/WifiDetailPreference.java
@@ -17,8 +17,8 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.widget.TextView;
diff --git a/src/com/android/settings/wifi/WifiDialogActivity.java b/src/com/android/settings/wifi/WifiDialogActivity.java
index e2e3d01..02ce0e4 100644
--- a/src/com/android/settings/wifi/WifiDialogActivity.java
+++ b/src/com/android/settings/wifi/WifiDialogActivity.java
@@ -24,7 +24,7 @@
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.ActionListener;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.SetupWizardUtils;
diff --git a/src/com/android/settings/wifi/WifiEnabler.java b/src/com/android/settings/wifi/WifiEnabler.java
index fc71d74..018119b 100644
--- a/src/com/android/settings/wifi/WifiEnabler.java
+++ b/src/com/android/settings/wifi/WifiEnabler.java
@@ -28,7 +28,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.widget.Toast;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
diff --git a/src/com/android/settings/wifi/WifiInfoPreferenceController.java b/src/com/android/settings/wifi/WifiInfoPreferenceController.java
index c760688..ec17b08 100644
--- a/src/com/android/settings/wifi/WifiInfoPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiInfoPreferenceController.java
@@ -23,9 +23,9 @@
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.v4.text.BidiFormatter;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.core.text.BidiFormatter;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
index 8843d93..cbbe8ba 100644
--- a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
@@ -16,7 +16,7 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/WifiPickerActivity.java b/src/com/android/settings/wifi/WifiPickerActivity.java
index 5d5afd3..5190441 100644
--- a/src/com/android/settings/wifi/WifiPickerActivity.java
+++ b/src/com/android/settings/wifi/WifiPickerActivity.java
@@ -16,7 +16,7 @@
 package com.android.settings.wifi;
 
 import android.content.Intent;
-import android.support.v14.preference.PreferenceFragment;
+import androidx.preference.PreferenceFragment;
 
 import com.android.settings.ButtonBarHandler;
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/WifiScanningRequiredFragment.java b/src/com/android/settings/wifi/WifiScanningRequiredFragment.java
index d7b6708..9db766c 100644
--- a/src/com/android/settings/wifi/WifiScanningRequiredFragment.java
+++ b/src/com/android/settings/wifi/WifiScanningRequiredFragment.java
@@ -25,7 +25,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/settings/wifi/WifiSettings.java b/src/com/android/settings/wifi/WifiSettings.java
index 7a7caf4..7aeaba6 100644
--- a/src/com/android/settings/wifi/WifiSettings.java
+++ b/src/com/android/settings/wifi/WifiSettings.java
@@ -39,9 +39,9 @@
 import android.os.Looper;
 import android.os.PowerManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
diff --git a/src/com/android/settings/wifi/WifiSliceBuilder.java b/src/com/android/settings/wifi/WifiSliceBuilder.java
index 21a9455..68aa9a5 100644
--- a/src/com/android/settings/wifi/WifiSliceBuilder.java
+++ b/src/com/android/settings/wifi/WifiSliceBuilder.java
@@ -45,7 +45,7 @@
 import androidx.slice.builders.ListBuilder;
 import androidx.slice.builders.SliceAction;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 import android.text.TextUtils;
 
 /**
diff --git a/src/com/android/settings/wifi/WifiSummaryUpdater.java b/src/com/android/settings/wifi/WifiSummaryUpdater.java
index 6fe3ce9..d0b4f60 100644
--- a/src/com/android/settings/wifi/WifiSummaryUpdater.java
+++ b/src/com/android/settings/wifi/WifiSummaryUpdater.java
@@ -24,7 +24,7 @@
 import android.net.NetworkScoreManager;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
index 3eac471..0c08825 100644
--- a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
@@ -24,10 +24,10 @@
 import android.content.Intent;
 import android.location.LocationManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/calling/WifiCallingSettings.java b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
index 7bab07a..a9c0ee9 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSettings.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
@@ -19,7 +19,7 @@
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.os.Bundle;
-import android.support.v13.app.FragmentPagerAdapter;
+import androidx.legacy.app.FragmentPagerAdapter;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.util.Log;
diff --git a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
index 6f170a0..15137cc 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
@@ -25,10 +25,10 @@
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.os.PersistableBundle;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.telephony.PhoneStateListener;
 import android.telephony.SubscriptionManager;
diff --git a/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java b/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
index cec8545..a80e9d0 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSliceHelper.java
@@ -26,7 +26,7 @@
 import android.net.Uri;
 import android.os.PersistableBundle;
 import android.provider.Settings;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index 2339e38..fda5ce4 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
@@ -40,10 +40,10 @@
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Handler;
-import android.support.v4.text.BidiFormatter;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.core.text.BidiFormatter;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.ImageView;
diff --git a/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java b/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java
index 3a515cc..097a49b 100644
--- a/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java
@@ -21,11 +21,11 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;
diff --git a/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java b/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java
index e777626..fed363d 100644
--- a/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java
@@ -17,9 +17,9 @@
 package com.android.settings.wifi.p2p;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java b/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java
index 9ed3158..84ce1ee 100644
--- a/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.p2p.WifiP2pDevice;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPeer.java b/src/com/android/settings/wifi/p2p/WifiP2pPeer.java
index a318e6f..5a087e5 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPeer.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPeer.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.net.wifi.WifiManager;
 import android.net.wifi.p2p.WifiP2pDevice;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.widget.ImageView;
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java b/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java
index 520be8e..4d2b433 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.p2p.WifiP2pGroup;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 
 public class WifiP2pPersistentGroup extends Preference {
 
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
index 2d5e25f..78af007 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
@@ -20,9 +20,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
index f26564d..302981d 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
@@ -38,8 +38,8 @@
 import android.net.wifi.p2p.WifiP2pManager.PersistentGroupInfoListener;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.InputFilter;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
index b107777..8dde24b 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
@@ -23,7 +23,7 @@
 import android.content.res.Resources;
 import android.icu.text.ListFormatter;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java
index 8fdae80..d8c3cfd 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 
diff --git a/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java
index c41f345..e689916 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java
@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
index 055e978..465170a 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
index 9764a45..3e0297e 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
@@ -24,9 +24,9 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
index d7cb441..176573f 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.EditTextPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.widget.ValidatedEditTextPreference;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
index 08a956b..0f08cbb 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
@@ -3,8 +3,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSettings.java b/src/com/android/settings/wifi/tether/WifiTetherSettings.java
index b2b60e0..0de7404 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSettings.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSettings.java
@@ -27,7 +27,7 @@
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java b/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java
index 4f7b3ba..554cc0e 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java
@@ -27,7 +27,7 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.datausage.DataSaverBackend;
 import com.android.settings.widget.SwitchWidgetController;
diff --git a/tests/robotests/src/com/android/settings/PrivacySettingsTest.java b/tests/robotests/src/com/android/settings/PrivacySettingsTest.java
index 24defa1..6ad520a 100644
--- a/tests/robotests/src/com/android/settings/PrivacySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/PrivacySettingsTest.java
@@ -19,9 +19,9 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/SettingsDumpServiceTest.java b/tests/robotests/src/com/android/settings/SettingsDumpServiceTest.java
index 8178641..dc1fe2b 100644
--- a/tests/robotests/src/com/android/settings/SettingsDumpServiceTest.java
+++ b/tests/robotests/src/com/android/settings/SettingsDumpServiceTest.java
@@ -28,7 +28,7 @@
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.settings.fuelgauge.batterytip.AnomalyConfigJobService;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/SettingsPreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/SettingsPreferenceFragmentTest.java
index 2e768a6..a7b91f5 100644
--- a/tests/robotests/src/com/android/settings/SettingsPreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/SettingsPreferenceFragmentTest.java
@@ -26,10 +26,10 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/SummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/SummaryPreferenceTest.java
index 9352d4b..1b71777 100644
--- a/tests/robotests/src/com/android/settings/SummaryPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/SummaryPreferenceTest.java
@@ -18,7 +18,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java b/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
index 490a38e..30debd6 100644
--- a/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
@@ -27,7 +27,7 @@
 import android.os.Bundle;
 import android.os.Vibrator;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceControllerTest.java
index 0d67ff2..aad6454 100644
--- a/tests/robotests/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 
 import com.android.settings.core.BasePreferenceController;
diff --git a/tests/robotests/src/com/android/settings/accessibility/MagnificationGesturesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/MagnificationGesturesPreferenceControllerTest.java
index abb1cf3..98b1770 100644
--- a/tests/robotests/src/com/android/settings/accessibility/MagnificationGesturesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/MagnificationGesturesPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/tests/robotests/src/com/android/settings/accessibility/MagnificationNavbarPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/MagnificationNavbarPreferenceControllerTest.java
index 8a401d5..128e33b 100644
--- a/tests/robotests/src/com/android/settings/accessibility/MagnificationNavbarPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/MagnificationNavbarPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceControllerTest.java
index aa9efc5..dda2ae5 100644
--- a/tests/robotests/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceControllerTest.java
@@ -21,13 +21,13 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.Vibrator;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java
index a3fb689..c1f54d6 100644
--- a/tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragmentTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.verify;
 
 import android.os.Bundle;
-import android.support.annotation.XmlRes;
+import androidx.annotation.XmlRes;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
index 1424a30..558e074 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
@@ -30,7 +30,7 @@
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.dashboard.DashboardFeatureProviderImpl;
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountHeaderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accounts/AccountHeaderPreferenceControllerTest.java
index d392c72..59b0aee 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountHeaderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountHeaderPreferenceControllerTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.accounts;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
@@ -24,11 +24,11 @@
 
 import android.accounts.Account;
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 import android.widget.TextView;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accounts/AccountPreferenceControllerTest.java
index 3137570..1cc0c3a 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountPreferenceControllerTest.java
@@ -37,10 +37,10 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.AccessiblePreferenceCategory;
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountSyncPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accounts/AccountSyncPreferenceControllerTest.java
index aed469b..4e317d7 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountSyncPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountSyncPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.Intent;
 import android.content.SyncAdapterType;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountTypePreferenceLoaderTest.java b/tests/robotests/src/com/android/settings/accounts/AccountTypePreferenceLoaderTest.java
index 98948a4..4e42bc9 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountTypePreferenceLoaderTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountTypePreferenceLoaderTest.java
@@ -29,11 +29,11 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowAccountManager;
diff --git a/tests/robotests/src/com/android/settings/accounts/EmergencyInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accounts/EmergencyInfoPreferenceControllerTest.java
index c4b540b..5db2265 100644
--- a/tests/robotests/src/com/android/settings/accounts/EmergencyInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/EmergencyInfoPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.content.pm.ResolveInfo;
 import android.content.pm.UserInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.search.SearchIndexableRaw;
diff --git a/tests/robotests/src/com/android/settings/accounts/RemoveAccountPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/accounts/RemoveAccountPreferenceControllerTest.java
index f1635ca..56659ef 100644
--- a/tests/robotests/src/com/android/settings/accounts/RemoveAccountPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/RemoveAccountPreferenceControllerTest.java
@@ -38,9 +38,9 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.widget.Button;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/applications/AppInfoWithHeaderTest.java b/tests/robotests/src/com/android/settings/applications/AppInfoWithHeaderTest.java
index b97b60d..605b8de 100644
--- a/tests/robotests/src/com/android/settings/applications/AppInfoWithHeaderTest.java
+++ b/tests/robotests/src/com/android/settings/applications/AppInfoWithHeaderTest.java
@@ -31,8 +31,8 @@
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.UserHandle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/applications/AppPermissionsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/AppPermissionsPreferenceControllerTest.java
index 28ff140..581b300 100644
--- a/tests/robotests/src/com/android/settings/applications/AppPermissionsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/AppPermissionsPreferenceControllerTest.java
@@ -31,7 +31,7 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.PermissionGroupInfo;
 import android.content.pm.PermissionInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/applications/AppStorageSizesControllerTest.java b/tests/robotests/src/com/android/settings/applications/AppStorageSizesControllerTest.java
index 5a17b1f..fa42629 100644
--- a/tests/robotests/src/com/android/settings/applications/AppStorageSizesControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/AppStorageSizesControllerTest.java
@@ -5,7 +5,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/LayoutPreferenceTest.java b/tests/robotests/src/com/android/settings/applications/LayoutPreferenceTest.java
index 8e4b34f..ff64a84 100644
--- a/tests/robotests/src/com/android/settings/applications/LayoutPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/applications/LayoutPreferenceTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
index 6556a88..2876b62 100644
--- a/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
@@ -41,9 +41,9 @@
 import android.content.pm.ResolveInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/applications/SpecialAppAccessPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/SpecialAppAccessPreferenceControllerTest.java
index bafb0ba..bd8b36e 100644
--- a/tests/robotests/src/com/android/settings/applications/SpecialAppAccessPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/SpecialAppAccessPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.datausage.DataSaverBackend;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceControllerTest.java
index b85464d..cf423f7 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceControllerTest.java
@@ -40,7 +40,7 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
index ec6e29a..e1e1154 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
@@ -32,8 +32,8 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.BatteryStats;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceControllerTest.java
index 72893b7..bab73b5 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceControllerTest.java
@@ -33,7 +33,7 @@
 import android.net.ConnectivityManager;
 import android.net.INetworkStatsSession;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.datausage.AppDataUsage;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceControllerTest.java
index 553684d..1c8569d 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceControllerTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.appinfo;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
@@ -28,12 +28,12 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBaseTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBaseTest.java
index 89c6605..1616c83 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBaseTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBaseTest.java
@@ -26,8 +26,8 @@
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceControllerTest.java
index 0709348..b640f9f 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceControllerTest.java
@@ -35,7 +35,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
index 5298fcd..1c0d897 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.Intent;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsActivity;
 import com.android.settings.applications.ProcStatsData;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppNotificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppNotificationPreferenceControllerTest.java
index 88526dc..9678ecb 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppNotificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppNotificationPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.notification.AppNotificationSettings;
 import com.android.settings.notification.NotificationBackend;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceControllerTest.java
index a42e19f..c18e521 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.applications.AppLaunchSettings;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppPermissionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppPermissionPreferenceControllerTest.java
index 89ffef0..505f25e 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppPermissionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppPermissionPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppSettingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppSettingPreferenceControllerTest.java
index 66b58c8..b554a4d 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppSettingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppSettingPreferenceControllerTest.java
@@ -28,7 +28,7 @@
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppStoragePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppStoragePreferenceControllerTest.java
index cebdd68..76c33cb 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppStoragePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppStoragePreferenceControllerTest.java
@@ -28,7 +28,7 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.applications.AppStorageSettings;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppVersionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppVersionPreferenceControllerTest.java
index 1fc35c5..f577d1c 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppVersionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppVersionPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBaseTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBaseTest.java
index 97007f8..ae61a51 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBaseTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBaseTest.java
@@ -25,8 +25,8 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/DrawOverlayDetailPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/DrawOverlayDetailPreferenceControllerTest.java
index 4ea011c..c8f19db 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/DrawOverlayDetailPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/DrawOverlayDetailPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceControllerTest.java
index fba4d76..ef90907 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
index ad0a9fe..7c99fd0 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceControllerTest.java
@@ -36,8 +36,8 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.Menu;
 import android.view.MenuItem;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceControllerTest.java
index 47d7323..b5b600a 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceControllerTest.java
index e6cc831..9cdd2ea 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/WriteSystemSettingsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/WriteSystemSettingsPreferenceControllerTest.java
index b749875..e702cd4 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/WriteSystemSettingsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/WriteSystemSettingsPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/assist/AssistContextPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/assist/AssistContextPreferenceControllerTest.java
index 61a0139..e83fbf8 100644
--- a/tests/robotests/src/com/android/settings/applications/assist/AssistContextPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/assist/AssistContextPreferenceControllerTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.assist;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
@@ -24,12 +24,12 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceControllerTest.java
index c8c2ca2..dd4422a 100644
--- a/tests/robotests/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceControllerTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.assist;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
@@ -26,13 +26,13 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowSecureSettings;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java
index 4377c4f..93d5942 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java
@@ -26,7 +26,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java
index e348d8c..97e38a0 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceControllerTest.java
index 289fc46..c7156d0 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAutofillPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.autofill.AutofillManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java
index d59cf17..fa2a62c 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java
index e97e285..34869b6 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java
@@ -34,7 +34,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceControllerTest.java
index 48664d5..454a564 100644
--- a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.content.pm.PackageManager;
 import android.nfc.NfcAdapter;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.nfc.PaymentBackend;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java b/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
index 89b7d5e..d4e8a0c 100644
--- a/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
+++ b/tests/robotests/src/com/android/settings/applications/manageapplications/ManageApplicationsTest.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.applications.manageapplications;
 
-import static android.support.v7.widget.RecyclerView.SCROLL_STATE_DRAGGING;
-import static android.support.v7.widget.RecyclerView.SCROLL_STATE_IDLE;
+import static androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_DRAGGING;
+import static androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE;
 import static com.android.settings.applications.manageapplications.AppFilterRegistry.FILTER_APPS_ALL;
 import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_MAIN;
 import static com.android.settings.applications.manageapplications.ManageApplications.LIST_TYPE_NOTIFICATION;
@@ -41,7 +41,7 @@
 import android.os.Bundle;
 import android.os.Looper;
 import android.os.UserManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
diff --git a/tests/robotests/src/com/android/settings/backup/BackupSettingsActivityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/backup/BackupSettingsActivityPreferenceControllerTest.java
index 23c5d44..ee05740 100644
--- a/tests/robotests/src/com/android/settings/backup/BackupSettingsActivityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/backup/BackupSettingsActivityPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 import android.app.backup.BackupManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/backup/BackupSettingsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/backup/BackupSettingsPreferenceControllerTest.java
index 504b6f1..0a258bb 100644
--- a/tests/robotests/src/com/android/settings/backup/BackupSettingsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/backup/BackupSettingsPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerEventsTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerEventsTest.java
index 6de0bde..2f83808 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerEventsTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerEventsTest.java
@@ -22,8 +22,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowBluetoothDevice;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerTestBase.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerTestBase.java
index 2fd3f0e..0c2a381 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerTestBase.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsControllerTestBase.java
@@ -19,14 +19,14 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothClass;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsProfilesControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsProfilesControllerTest.java
index 2f77af6..7449948 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsProfilesControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsProfilesControllerTest.java
@@ -27,8 +27,8 @@
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceCategory;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java
index 1c61553..a15d26c 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceControllerTest.java
index 607842a..3ce585a 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.app.Fragment;
 import android.app.FragmentTransaction;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceUpdaterTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceUpdaterTest.java
index 51afb44..c1024c8 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceUpdaterTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceUpdaterTest.java
@@ -26,7 +26,7 @@
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.SettingsActivity;
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothEnablerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothEnablerTest.java
index d9e4e6b..4bb093c 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothEnablerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothEnablerTest.java
@@ -32,7 +32,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 import android.widget.Switch;
 
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothFilesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothFilesPreferenceControllerTest.java
index 4335f05..7d2257a 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothFilesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothFilesPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingDetailTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingDetailTest.java
index ece706d..3060734 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingDetailTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingDetailTest.java
@@ -30,7 +30,7 @@
 import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.PreferenceGroup;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingPreferenceControllerTest.java
index 866756c..7a0a05d 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPairingPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothSliceBuilderTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothSliceBuilderTest.java
index 97c6bcc..fe705aa 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothSliceBuilderTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothSliceBuilderTest.java
@@ -35,7 +35,7 @@
 
 import android.content.Intent;
 import android.content.res.Resources;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/robotests/src/com/android/settings/bluetooth/DeviceListPreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/bluetooth/DeviceListPreferenceFragmentTest.java
index 3781a75..12bcd74 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/DeviceListPreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/DeviceListPreferenceFragmentTest.java
@@ -27,7 +27,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/AddDevicePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/AddDevicePreferenceControllerTest.java
index ecf024b..c73313d 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/AddDevicePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/AddDevicePreferenceControllerTest.java
@@ -29,9 +29,9 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupControllerTest.java
index aeab451..6d0c9fb 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupControllerTest.java
@@ -29,10 +29,10 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.media.AudioManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.bluetooth.AvailableMediaBluetoothDeviceUpdater;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/ConnectedDeviceGroupControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/ConnectedDeviceGroupControllerTest.java
index 718acb9..52715b0 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/ConnectedDeviceGroupControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/ConnectedDeviceGroupControllerTest.java
@@ -26,13 +26,13 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.ConnectedBluetoothDeviceUpdater;
 import com.android.settings.connecteddevice.dock.DockUpdater;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceControllerTest.java
index 8cad0bf..ba2a697 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/DiscoverableFooterPreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceControllerTest.java
index 444728a..36cb180 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceControllerTest.java
@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/SavedDeviceGroupControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/SavedDeviceGroupControllerTest.java
index 2e40bf5..b1d4cd8 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/SavedDeviceGroupControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/SavedDeviceGroupControllerTest.java
@@ -22,10 +22,10 @@
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.connecteddevice.dock.DockUpdater;
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleControllerTest.java
index 6f7f4fe..716c977 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleControllerTest.java
@@ -27,9 +27,9 @@
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
 import android.os.Handler;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
index 713fd24..989a293 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsControllerTest.java
@@ -26,9 +26,9 @@
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowUtils;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java
index f54d047..7550b45 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderControllerTest.java
@@ -20,13 +20,13 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
+import androidx.preference.PreferenceFragment;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleControllerTest.java
index d4d1abc..2bc0ed9 100644
--- a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleControllerTest.java
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleControllerTest.java
@@ -28,10 +28,10 @@
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
 import android.os.Handler;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/core/BasePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/core/BasePreferenceControllerTest.java
index ad2dabb..a1f9bf4 100644
--- a/tests/robotests/src/com/android/settings/core/BasePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/core/BasePreferenceControllerTest.java
@@ -36,9 +36,9 @@
 import org.junit.runner.RunWith;
 import org.robolectric.RuntimeEnvironment;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 public class BasePreferenceControllerTest {
diff --git a/tests/robotests/src/com/android/settings/core/InstrumentedPreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/core/InstrumentedPreferenceFragmentTest.java
index 026906c..1683066 100644
--- a/tests/robotests/src/com/android/settings/core/InstrumentedPreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/core/InstrumentedPreferenceFragmentTest.java
@@ -25,8 +25,8 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/core/SliderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/core/SliderPreferenceControllerTest.java
index 2d598c5..c60d002 100644
--- a/tests/robotests/src/com/android/settings/core/SliderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/core/SliderPreferenceControllerTest.java
@@ -17,7 +17,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.SeekBarPreference;
+import androidx.preference.SeekBarPreference;
 
 import com.android.settings.slices.SliceData;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/core/TogglePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/core/TogglePreferenceControllerTest.java
index 6afb54d..beaaa52 100644
--- a/tests/robotests/src/com/android/settings/core/TogglePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/core/TogglePreferenceControllerTest.java
@@ -18,7 +18,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.slices.SliceData;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardAdapterTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardAdapterTest.java
index ad0b01f..1b2f727 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardAdapterTest.java
@@ -33,7 +33,7 @@
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.service.settings.suggestions.Suggestion;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.DisplayMetrics;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardDataTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardDataTest.java
index e9ea654..94126da 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardDataTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardDataTest.java
@@ -26,9 +26,9 @@
 
 import android.app.PendingIntent;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.NonNull;
-import android.support.v7.util.DiffUtil;
-import android.support.v7.util.ListUpdateCallback;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.ListUpdateCallback;
 
 import com.android.settings.dashboard.conditional.AirplaneModeCondition;
 import com.android.settings.dashboard.conditional.Condition;
@@ -278,10 +278,10 @@
      * the transform data result is equals to {@paramref testResultData}
      * <p>
      * The steps are described below:
-     * 1. Calculate a {@link android.support.v7.util.DiffUtil.DiffResult} from
+     * 1. Calculate a {@link androidx.recyclerview.widget.DiffUtil.DiffResult} from
      * {@paramref baseDashboardData} to {@paramref diffDashboardData}
      * <p>
-     * 2. Dispatch the {@link android.support.v7.util.DiffUtil.DiffResult} calculated from step 1
+     * 2. Dispatch the {@link androidx.recyclerview.widget.DiffUtil.DiffResult} calculated from step 1
      * into {@link ListUpdateResult}
      * <p>
      * 3. Get result data(a.k.a. baseResultData) from {@link ListUpdateResult} and compare it to
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardFeatureProviderImplTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardFeatureProviderImplTest.java
index 41d8b18..78d3a09 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardFeatureProviderImplTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardFeatureProviderImplTest.java
@@ -39,7 +39,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
index 2da3f0d..7638a07 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
@@ -29,9 +29,9 @@
 import android.content.Intent;
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardItemAnimatorTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardItemAnimatorTest.java
index 774b62e..7bcd80d 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardItemAnimatorTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardItemAnimatorTest.java
@@ -18,7 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 import android.widget.TextView;
 
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardSummaryTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardSummaryTest.java
index c4ada03..189dd6b 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardSummaryTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardSummaryTest.java
@@ -29,7 +29,7 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
 
 import com.android.settings.dashboard.conditional.ConditionManager;
 import com.android.settings.dashboard.conditional.FocusRecyclerView;
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceControllerTest.java
index 1d2bf5a..e7014df 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/dashboard/conditional/ConditionAdapterTest.java b/tests/robotests/src/com/android/settings/dashboard/conditional/ConditionAdapterTest.java
index 0586d33..79f01f8 100644
--- a/tests/robotests/src/com/android/settings/dashboard/conditional/ConditionAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/conditional/ConditionAdapterTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/datausage/AppDataUsageTest.java b/tests/robotests/src/com/android/settings/datausage/AppDataUsageTest.java
index 5941f2f..4f107e5 100644
--- a/tests/robotests/src/com/android/settings/datausage/AppDataUsageTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/AppDataUsageTest.java
@@ -31,8 +31,8 @@
 import android.content.pm.PackageManager;
 import android.net.NetworkPolicyManager;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.util.ArraySet;
 import android.view.View;
 
diff --git a/tests/robotests/src/com/android/settings/datausage/AppPrefLoaderTest.java b/tests/robotests/src/com/android/settings/datausage/AppPrefLoaderTest.java
index 30a28e5..40c22c7 100644
--- a/tests/robotests/src/com/android/settings/datausage/AppPrefLoaderTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/AppPrefLoaderTest.java
@@ -26,7 +26,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.ArraySet;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java b/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
index 710736d..e4ed8bf 100644
--- a/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/BillingCycleSettingsTest.java
@@ -31,9 +31,9 @@
 import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.SwitchPreference;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.core.FeatureFlags;
diff --git a/tests/robotests/src/com/android/settings/datausage/CellDataPreferenceTest.java b/tests/robotests/src/com/android/settings/datausage/CellDataPreferenceTest.java
index b634cb6..dd05b77 100644
--- a/tests/robotests/src/com/android/settings/datausage/CellDataPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/CellDataPreferenceTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.view.LayoutInflater;
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
index cfb601b..e471e6d 100644
--- a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
@@ -32,7 +32,7 @@
 import android.content.Intent;
 import android.net.ConnectivityManager;
 import android.net.NetworkTemplate;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
index c666d4e..573bc74 100644
--- a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
@@ -29,7 +29,7 @@
 import android.graphics.Typeface;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionManager;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/tests/robotests/src/com/android/settings/datausage/UnrestrictedDataAccessTest.java b/tests/robotests/src/com/android/settings/datausage/UnrestrictedDataAccessTest.java
index 587dbf2..01639d4 100644
--- a/tests/robotests/src/com/android/settings/datausage/UnrestrictedDataAccessTest.java
+++ b/tests/robotests/src/com/android/settings/datausage/UnrestrictedDataAccessTest.java
@@ -30,8 +30,8 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.os.Process;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/datetime/AutoTimeFormatPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/AutoTimeFormatPreferenceControllerTest.java
index e6af48a..8a3f8d3 100644
--- a/tests/robotests/src/com/android/settings/datetime/AutoTimeFormatPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/AutoTimeFormatPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.text.format.DateFormat;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
index 8bacbe2..d0bacf7 100644
--- a/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/AutoTimeZonePreferenceControllerTest.java
@@ -23,7 +23,7 @@
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowConnectivityManager;
diff --git a/tests/robotests/src/com/android/settings/datetime/TimeFormatPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/TimeFormatPreferenceControllerTest.java
index c9331ad..58862ee 100644
--- a/tests/robotests/src/com/android/settings/datetime/TimeFormatPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/TimeFormatPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapterTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapterTest.java
index a240646..de33085 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapterTest.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.datetime.timezone;
 
-import android.support.v7.widget.RecyclerView.AdapterDataObserver;
+import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceControllerTest.java
index 49c468e..4b86c50 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/FixedOffsetPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/FixedOffsetPreferenceControllerTest.java
index 26fbe50..53fe2b6 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/FixedOffsetPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/FixedOffsetPreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import android.app.Activity;
 import android.icu.util.TimeZone;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/RegionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/RegionPreferenceControllerTest.java
index 7a8f267..e07d8a6 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/RegionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/RegionPreferenceControllerTest.java
@@ -17,7 +17,7 @@
 package com.android.settings.datetime.timezone;
 
 import android.app.Activity;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/RegionZonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/RegionZonePreferenceControllerTest.java
index b7b4278..fc46079 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/RegionZonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/RegionZonePreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import android.app.Activity;
 import android.icu.util.TimeZone;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceControllerTest.java
index 3c36e04..948a927 100644
--- a/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceControllerTest.java
@@ -19,7 +19,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.spy;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.datetime.timezone.TimeZoneInfo.Formatter;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceControllerTest.java
index 53d1705..9e72d98 100644
--- a/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceControllerTest.java
@@ -6,8 +6,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarControllerTest.java b/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarControllerTest.java
index b11b232..8a8c5a1 100644
--- a/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarControllerTest.java
@@ -28,7 +28,7 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
index 798927f..2c0676d 100644
--- a/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
@@ -25,12 +25,12 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothA2dp;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/AdbPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AdbPreferenceControllerTest.java
index d73093e..c91dea9 100644
--- a/tests/robotests/src/com/android/settings/development/AdbPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AdbPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/AllowAppsOnExternalPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AllowAppsOnExternalPreferenceControllerTest.java
index c289358..24acf73 100644
--- a/tests/robotests/src/com/android/settings/development/AllowAppsOnExternalPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AllowAppsOnExternalPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/AnimatorDurationScalePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AnimatorDurationScalePreferenceControllerTest.java
index 32cc38b..e793cbb 100644
--- a/tests/robotests/src/com/android/settings/development/AnimatorDurationScalePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AnimatorDurationScalePreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.os.RemoteException;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/AppsNotRespondingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AppsNotRespondingPreferenceControllerTest.java
index eeb44f7..720c081 100644
--- a/tests/robotests/src/com/android/settings/development/AppsNotRespondingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AppsNotRespondingPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/BackgroundProcessLimitPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BackgroundProcessLimitPreferenceControllerTest.java
index 5613440..1e2e44ea 100644
--- a/tests/robotests/src/com/android/settings/development/BackgroundProcessLimitPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BackgroundProcessLimitPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.app.IActivityManager;
 import android.content.Context;
 import android.os.RemoteException;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceControllerTest.java
index 28d6a47..bf6ed94 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothA2dpHwOffloadPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceControllerTest.java
index 86f2b68..3da315a 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAudioBitsPerSamplePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAudioBitsPerSamplePreferenceControllerTest.java
index a016865..5c24bc7 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAudioBitsPerSamplePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAudioBitsPerSamplePreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAudioChannelModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAudioChannelModePreferenceControllerTest.java
index 2407065..d130597 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAudioChannelModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAudioChannelModePreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAudioCodecPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAudioCodecPreferenceControllerTest.java
index faf5019..4f0815f 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAudioCodecPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAudioCodecPreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAudioQualityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAudioQualityPreferenceControllerTest.java
index fcf650e..168c61a 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAudioQualityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAudioQualityPreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAudioSampleRatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAudioSampleRatePreferenceControllerTest.java
index b09f37d..3c62d29 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAudioSampleRatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAudioSampleRatePreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.bluetooth.BluetoothCodecConfig;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceControllerTest.java
index c99d956..6da67ff 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceControllerTest.java
index 7d73a4b..2bd3b09 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceControllerTest.java
@@ -22,8 +22,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceControllerTest.java
index 811bafe..76eb4ac 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/BluetoothSnoopLogPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BluetoothSnoopLogPreferenceControllerTest.java
index 06fa994..98c0b83 100644
--- a/tests/robotests/src/com/android/settings/development/BluetoothSnoopLogPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BluetoothSnoopLogPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/BugReportInPowerPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/BugReportInPowerPreferenceControllerTest.java
index 9e0cc49..f2593fc 100644
--- a/tests/robotests/src/com/android/settings/development/BugReportInPowerPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/BugReportInPowerPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/CameraLaserSensorPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/CameraLaserSensorPreferenceControllerTest.java
index 316d7c7..b61f49a 100644
--- a/tests/robotests/src/com/android/settings/development/CameraLaserSensorPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/CameraLaserSensorPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import static org.mockito.Mockito.when;
 
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/ClearAdbKeysPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ClearAdbKeysPreferenceControllerTest.java
index e1f763c..6f7c224 100644
--- a/tests/robotests/src/com/android/settings/development/ClearAdbKeysPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ClearAdbKeysPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.hardware.usb.IUsbManager;
 import android.os.RemoteException;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowUtils;
diff --git a/tests/robotests/src/com/android/settings/development/CoolColorTemperaturePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/CoolColorTemperaturePreferenceControllerTest.java
index c80e318..67ba7c4 100644
--- a/tests/robotests/src/com/android/settings/development/CoolColorTemperaturePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/CoolColorTemperaturePreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/DarkUIPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/DarkUIPreferenceControllerTest.java
index b2a92db..9ddfc4b 100644
--- a/tests/robotests/src/com/android/settings/development/DarkUIPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DarkUIPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.app.UiModeManager;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/DebugGpuOverdrawPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/DebugGpuOverdrawPreferenceControllerTest.java
index de1753a..52ca56e 100644
--- a/tests/robotests/src/com/android/settings/development/DebugGpuOverdrawPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DebugGpuOverdrawPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceControllerTest.java
index 4d17a01..fca76a4 100644
--- a/tests/robotests/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/DebugViewAttributesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/DebugViewAttributesPreferenceControllerTest.java
index 30abb95..cddee7f 100644
--- a/tests/robotests/src/com/android/settings/development/DebugViewAttributesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DebugViewAttributesPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java b/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
index 9f89014..c2ad6c3 100644
--- a/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.development;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.when;
 
 import android.app.Application;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.UserManager;
 
diff --git a/tests/robotests/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceControllerTest.java
index cc5f65b..3e0d118 100644
--- a/tests/robotests/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/EmulateDisplayCutoutPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/EmulateDisplayCutoutPreferenceControllerTest.java
index a742988..ae9adde 100644
--- a/tests/robotests/src/com/android/settings/development/EmulateDisplayCutoutPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/EmulateDisplayCutoutPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.content.om.IOverlayManager;
 import android.content.om.OverlayInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.os.RemoteException;
 import android.view.DisplayCutout;
 
@@ -164,4 +164,4 @@
                 0 /* priority */,
                 true /* isStatic */);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/robotests/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceControllerTest.java
index 97ff30a..c16f453 100644
--- a/tests/robotests/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/EnableGpuDebugLayersPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/EnableGpuDebugLayersPreferenceControllerTest.java
index 9fa0249..f3b5730 100644
--- a/tests/robotests/src/com/android/settings/development/EnableGpuDebugLayersPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/EnableGpuDebugLayersPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
index 24caa0b..dd16a28 100644
--- a/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.os.RemoteException;
 import android.os.SystemProperties;
 import android.os.storage.IStorageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/ForceGpuRenderingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ForceGpuRenderingPreferenceControllerTest.java
index 3c4f297..03f874f 100644
--- a/tests/robotests/src/com/android/settings/development/ForceGpuRenderingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ForceGpuRenderingPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/ForceMSAAPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ForceMSAAPreferenceControllerTest.java
index 5b9c2a9..aceb714 100644
--- a/tests/robotests/src/com/android/settings/development/ForceMSAAPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ForceMSAAPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/FreeformWindowsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/FreeformWindowsPreferenceControllerTest.java
index 66f065b..7f97adc 100644
--- a/tests/robotests/src/com/android/settings/development/FreeformWindowsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/FreeformWindowsPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/GpuViewUpdatesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/GpuViewUpdatesPreferenceControllerTest.java
index 81d346c..abc1c91 100644
--- a/tests/robotests/src/com/android/settings/development/GpuViewUpdatesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/GpuViewUpdatesPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/HardwareLayersUpdatesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/HardwareLayersUpdatesPreferenceControllerTest.java
index 02edd77..fcf6b89 100644
--- a/tests/robotests/src/com/android/settings/development/HardwareLayersUpdatesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/HardwareLayersUpdatesPreferenceControllerTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.when;
 
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/HardwareOverlaysPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/HardwareOverlaysPreferenceControllerTest.java
index 42c6814..db7e546 100644
--- a/tests/robotests/src/com/android/settings/development/HardwareOverlaysPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/HardwareOverlaysPreferenceControllerTest.java
@@ -30,8 +30,8 @@
 import android.content.Context;
 import android.os.IBinder;
 import android.os.RemoteException;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowParcel;
diff --git a/tests/robotests/src/com/android/settings/development/HdcpCheckingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/HdcpCheckingPreferenceControllerTest.java
index e0fb7a4..4c65431 100644
--- a/tests/robotests/src/com/android/settings/development/HdcpCheckingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/HdcpCheckingPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/KeepActivitiesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/KeepActivitiesPreferenceControllerTest.java
index 1637b63..3a1cc19 100644
--- a/tests/robotests/src/com/android/settings/development/KeepActivitiesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/KeepActivitiesPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/LocalBackupPasswordPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/LocalBackupPasswordPreferenceControllerTest.java
index bf1c6a5..a86e18d 100644
--- a/tests/robotests/src/com/android/settings/development/LocalBackupPasswordPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/LocalBackupPasswordPreferenceControllerTest.java
@@ -11,8 +11,8 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/LocalTerminalPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/LocalTerminalPreferenceControllerTest.java
index 629faf5..5fd3b21 100644
--- a/tests/robotests/src/com/android/settings/development/LocalTerminalPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/LocalTerminalPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
diff --git a/tests/robotests/src/com/android/settings/development/LogPersistPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/LogPersistPreferenceControllerTest.java
index 9a84363..d65e830 100644
--- a/tests/robotests/src/com/android/settings/development/LogPersistPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/LogPersistPreferenceControllerTest.java
@@ -20,11 +20,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/LogdSizePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/LogdSizePreferenceControllerTest.java
index 8642fca..f552a17 100644
--- a/tests/robotests/src/com/android/settings/development/LogdSizePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/LogdSizePreferenceControllerTest.java
@@ -20,8 +20,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.R;
diff --git a/tests/robotests/src/com/android/settings/development/MemoryUsagePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/MemoryUsagePreferenceControllerTest.java
index bf90bf0..481e598 100644
--- a/tests/robotests/src/com/android/settings/development/MemoryUsagePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/MemoryUsagePreferenceControllerTest.java
@@ -23,8 +23,8 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.applications.ProcStatsData;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/MobileDataAlwaysOnPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/MobileDataAlwaysOnPreferenceControllerTest.java
index 8dbd5bf..ad33455 100644
--- a/tests/robotests/src/com/android/settings/development/MobileDataAlwaysOnPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/MobileDataAlwaysOnPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
index e94e99f..d3763ae 100644
--- a/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
@@ -16,8 +16,8 @@
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/NotificationChannelWarningsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/NotificationChannelWarningsPreferenceControllerTest.java
index 417b8d8..e6a2d5c 100644
--- a/tests/robotests/src/com/android/settings/development/NotificationChannelWarningsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/NotificationChannelWarningsPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/OemUnlockPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/OemUnlockPreferenceControllerTest.java
index 7b3d3c3..ce57fb5 100644
--- a/tests/robotests/src/com/android/settings/development/OemUnlockPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/OemUnlockPreferenceControllerTest.java
@@ -31,7 +31,7 @@
 import android.content.res.Resources;
 import android.os.UserManager;
 import android.service.oemlock.OemLockManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/PictureColorModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/PictureColorModePreferenceControllerTest.java
index ca68764..28f369f 100644
--- a/tests/robotests/src/com/android/settings/development/PictureColorModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/PictureColorModePreferenceControllerTest.java
@@ -16,18 +16,18 @@
 
 package com.android.settings.development;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/PointerLocationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/PointerLocationPreferenceControllerTest.java
index 2c8ee71..430e0dd 100644
--- a/tests/robotests/src/com/android/settings/development/PointerLocationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/PointerLocationPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/ProfileGpuRenderingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ProfileGpuRenderingPreferenceControllerTest.java
index 77cedca..3501226 100644
--- a/tests/robotests/src/com/android/settings/development/ProfileGpuRenderingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ProfileGpuRenderingPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/ResizableActivityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ResizableActivityPreferenceControllerTest.java
index c78500d..8785cf6 100644
--- a/tests/robotests/src/com/android/settings/development/ResizableActivityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ResizableActivityPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/RtlLayoutPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/RtlLayoutPreferenceControllerTest.java
index db80080..8e59b84 100644
--- a/tests/robotests/src/com/android/settings/development/RtlLayoutPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/RtlLayoutPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/SecondaryDisplayPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/SecondaryDisplayPreferenceControllerTest.java
index c7cf74f..78387e3 100644
--- a/tests/robotests/src/com/android/settings/development/SecondaryDisplayPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/SecondaryDisplayPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/SelectDebugAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/SelectDebugAppPreferenceControllerTest.java
index 59e82a6..d4cb4e0 100644
--- a/tests/robotests/src/com/android/settings/development/SelectDebugAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/SelectDebugAppPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceControllerTest.java
index 2bc7c80..46c2147 100644
--- a/tests/robotests/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 import android.content.Context;
 import android.content.pm.IShortcutService;
 import android.os.RemoteException;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/ShowFirstCrashDialogPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ShowFirstCrashDialogPreferenceControllerTest.java
index 01d3259..d373f1c 100644
--- a/tests/robotests/src/com/android/settings/development/ShowFirstCrashDialogPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ShowFirstCrashDialogPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/ShowLayoutBoundsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ShowLayoutBoundsPreferenceControllerTest.java
index 2237195..c18857a 100644
--- a/tests/robotests/src/com/android/settings/development/ShowLayoutBoundsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ShowLayoutBoundsPreferenceControllerTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.when;
 
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceControllerTest.java
index 8b1984e..811550f 100644
--- a/tests/robotests/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceControllerTest.java
@@ -30,8 +30,8 @@
 import android.content.Context;
 import android.os.IBinder;
 import android.os.RemoteException;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowParcel;
diff --git a/tests/robotests/src/com/android/settings/development/ShowTapsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/ShowTapsPreferenceControllerTest.java
index 2f8a9a2..d7eaecd 100644
--- a/tests/robotests/src/com/android/settings/development/ShowTapsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/ShowTapsPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/SimulateColorSpacePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/SimulateColorSpacePreferenceControllerTest.java
index 9db3688..c136a29 100644
--- a/tests/robotests/src/com/android/settings/development/SimulateColorSpacePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/SimulateColorSpacePreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/StayAwakePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/StayAwakePreferenceControllerTest.java
index 487dbd3..40d439f 100644
--- a/tests/robotests/src/com/android/settings/development/StayAwakePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/StayAwakePreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/development/StrictModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/StrictModePreferenceControllerTest.java
index b6535f3..1f0c9c5 100644
--- a/tests/robotests/src/com/android/settings/development/StrictModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/StrictModePreferenceControllerTest.java
@@ -23,8 +23,8 @@
 import android.os.RemoteException;
 import android.os.StrictMode;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.IWindowManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/TetheringHardwareAccelPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/TetheringHardwareAccelPreferenceControllerTest.java
index 4bdf72a..895722e 100644
--- a/tests/robotests/src/com/android/settings/development/TetheringHardwareAccelPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/TetheringHardwareAccelPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/TransitionAnimationScalePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/TransitionAnimationScalePreferenceControllerTest.java
index 1c8c270..e5c3e43 100644
--- a/tests/robotests/src/com/android/settings/development/TransitionAnimationScalePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/TransitionAnimationScalePreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.RemoteException;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/UsbAudioRoutingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/UsbAudioRoutingPreferenceControllerTest.java
index c3c90b5..ba27bfb 100644
--- a/tests/robotests/src/com/android/settings/development/UsbAudioRoutingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/UsbAudioRoutingPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerTest.java
index 6cc3f9d..98ff9e4 100644
--- a/tests/robotests/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerTest.java
@@ -29,7 +29,7 @@
 import android.content.pm.ResolveInfo;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
diff --git a/tests/robotests/src/com/android/settings/development/WaitForDebuggerPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WaitForDebuggerPreferenceControllerTest.java
index d394b3f..b152ea7 100644
--- a/tests/robotests/src/com/android/settings/development/WaitForDebuggerPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WaitForDebuggerPreferenceControllerTest.java
@@ -32,8 +32,8 @@
 import android.content.Intent;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/WebViewAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WebViewAppPreferenceControllerTest.java
index fe26589..da12894 100644
--- a/tests/robotests/src/com/android/settings/development/WebViewAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WebViewAppPreferenceControllerTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceControllerTest.java
index cbd2e8d..e09b9d9 100644
--- a/tests/robotests/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/WifiDisplayCertificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WifiDisplayCertificationPreferenceControllerTest.java
index e60b98a..528f3ab 100644
--- a/tests/robotests/src/com/android/settings/development/WifiDisplayCertificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WifiDisplayCertificationPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/WifiVerboseLoggingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WifiVerboseLoggingPreferenceControllerTest.java
index e03f0a9..1359e99 100644
--- a/tests/robotests/src/com/android/settings/development/WifiVerboseLoggingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WifiVerboseLoggingPreferenceControllerTest.java
@@ -21,8 +21,8 @@
 
 import android.content.Context;
 import android.net.wifi.WifiManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/development/WindowAnimationScalePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/WindowAnimationScalePreferenceControllerTest.java
index aad9e40..e2db4f9 100644
--- a/tests/robotests/src/com/android/settings/development/WindowAnimationScalePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/WindowAnimationScalePreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.RemoteException;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 import android.view.IWindowManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPreferenceControllerTest.java
index 2d69b6a..5fff256 100644
--- a/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/featureflags/FeatureFlagPreferenceControllerTest.java
@@ -16,16 +16,16 @@
 
 package com.android.settings.development.featureflags;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java
index 7165d32..0902705 100644
--- a/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/qstile/DevelopmentTilePreferenceControllerTest.java
@@ -30,9 +30,9 @@
 import android.content.pm.ServiceInfo;
 import android.os.RemoteException;
 import android.service.quicksettings.TileService;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
index 09fa019..0011b15 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
@@ -27,14 +27,14 @@
 
 import android.app.Activity;
 import android.app.Fragment;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.Build;
 import android.os.Process;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/DeviceInfoSettingsTest.java b/tests/robotests/src/com/android/settings/deviceinfo/DeviceInfoSettingsTest.java
index 5bac790..169554d 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/DeviceInfoSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/DeviceInfoSettingsTest.java
@@ -30,7 +30,7 @@
 import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
index 460af10..c91683e 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/DeviceModelPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/DeviceNamePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/DeviceNamePreferenceControllerTest.java
index 66a50ee..3e4b4e6 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/DeviceNamePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/DeviceNamePreferenceControllerTest.java
@@ -29,7 +29,7 @@
 import android.net.wifi.WifiManager;
 import android.os.Build;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.widget.ValidatedEditTextPreference;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceControllerTest.java
index 3266f8a..e6b12d7 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceControllerTest.java
@@ -20,8 +20,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/FeedbackPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/FeedbackPreferenceControllerTest.java
index 7a75cd5..f1e7f21 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/FeedbackPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/FeedbackPreferenceControllerTest.java
@@ -21,8 +21,8 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java b/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
index 3989a60..9207e15 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
@@ -29,7 +29,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 import android.util.ArrayMap;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java
index 39a639b..565cdf0 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/PhoneNumberPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.TelephonyManager;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
index d9dd0fb..fea58e2 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/RegulatoryInfoPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
index f2f1972..fed2cbe 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
@@ -27,7 +27,7 @@
 
 import android.app.Activity;
 import android.provider.SearchIndexableResource;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.SparseArray;
 import android.view.View;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/StorageItemPreferenceTest.java b/tests/robotests/src/com/android/settings/deviceinfo/StorageItemPreferenceTest.java
index bec0f7d..34ce2e6 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/StorageItemPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/StorageItemPreferenceTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.widget.ProgressBar;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceControllerTest.java
index a9451fb..05bbdb1 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.app.FragmentManager;
 import android.content.Context;
 import android.os.Build;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceControllerTest.java
index 5904046..c068ac7 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.app.FragmentManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
index e942e46..f612e55 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogControllerTest.java
@@ -54,7 +54,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.PersistableBundle;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceControllerTest.java
index 964ac89..8ccce3a 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.app.FragmentManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceControllerTest.java
index 79a658a..dea0e4f 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceControllerTest.java
@@ -31,8 +31,8 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.os.RoSystemProperties;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/SecondaryUserControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/SecondaryUserControllerTest.java
index bbe92ad..1935c13 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/SecondaryUserControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/SecondaryUserControllerTest.java
@@ -27,9 +27,9 @@
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
index 122a056..a4107f5 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
@@ -36,7 +36,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceControllerTest.java
index af38b0d..c36af1b 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceControllerTest.java
@@ -28,7 +28,7 @@
 
 import android.content.Context;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.format.Formatter;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/UserProfileControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/UserProfileControllerTest.java
index 7ee6216..17ac6a9 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/UserProfileControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/UserProfileControllerTest.java
@@ -27,8 +27,8 @@
 import android.content.Intent;
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceControllerTest.java
index 5cbed2c..77390d3 100644
--- a/tests/robotests/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceControllerTest.java
@@ -29,7 +29,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.search.InlinePayload;
diff --git a/tests/robotests/src/com/android/settings/display/AmbientDisplayPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/AmbientDisplayPreferenceControllerTest.java
index e9e497a..8d62d2f 100644
--- a/tests/robotests/src/com/android/settings/display/AmbientDisplayPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/AmbientDisplayPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/display/AutoRotatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/AutoRotatePreferenceControllerTest.java
index fe3ae76..5a31e3b 100644
--- a/tests/robotests/src/com/android/settings/display/AutoRotatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/AutoRotatePreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.internal.view.RotationPolicy;
 import com.android.settings.core.BasePreferenceController;
diff --git a/tests/robotests/src/com/android/settings/display/BrightnessLevelPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/BrightnessLevelPreferenceControllerTest.java
index e29ded0..b758531 100644
--- a/tests/robotests/src/com/android/settings/display/BrightnessLevelPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/BrightnessLevelPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.content.Context;
 import android.os.PowerManager;
 import android.provider.Settings.System;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/display/ColorModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/ColorModePreferenceControllerTest.java
index a7016e9..c7b6535 100644
--- a/tests/robotests/src/com/android/settings/display/ColorModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/ColorModePreferenceControllerTest.java
@@ -22,7 +22,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/display/ColorModePreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/display/ColorModePreferenceFragmentTest.java
index 8001214..4000775 100644
--- a/tests/robotests/src/com/android/settings/display/ColorModePreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/display/ColorModePreferenceFragmentTest.java
@@ -26,8 +26,8 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/tests/robotests/src/com/android/settings/display/NightDisplayActivationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/NightDisplayActivationPreferenceControllerTest.java
index 7b6ecd1..a4b0e54 100644
--- a/tests/robotests/src/com/android/settings/display/NightDisplayActivationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/NightDisplayActivationPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 
 import android.content.Context;
 import android.provider.Settings.Secure;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import android.view.View;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/display/ShowOperatorNamePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/ShowOperatorNamePreferenceControllerTest.java
index ead9c6f..fe66863 100644
--- a/tests/robotests/src/com/android/settings/display/ShowOperatorNamePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/ShowOperatorNamePreferenceControllerTest.java
@@ -21,7 +21,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/display/SystemUiThemePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/SystemUiThemePreferenceControllerTest.java
index 83fb3eb..ad50c2e 100644
--- a/tests/robotests/src/com/android/settings/display/SystemUiThemePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/SystemUiThemePreferenceControllerTest.java
@@ -28,8 +28,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/display/ThemePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/display/ThemePreferenceControllerTest.java
index 56e9c2d..0a6957d 100644
--- a/tests/robotests/src/com/android/settings/display/ThemePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/ThemePreferenceControllerTest.java
@@ -32,7 +32,7 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreference;
 
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/dream/StartNowPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/dream/StartNowPreferenceControllerTest.java
index ebf6b8b..8aea990 100644
--- a/tests/robotests/src/com/android/settings/dream/StartNowPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/dream/StartNowPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 
diff --git a/tests/robotests/src/com/android/settings/dream/WhenToDreamPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/dream/WhenToDreamPreferenceControllerTest.java
index 9c7008e..d6e2e10 100644
--- a/tests/robotests/src/com/android/settings/dream/WhenToDreamPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/dream/WhenToDreamPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.dream.DreamBackend;
diff --git a/tests/robotests/src/com/android/settings/enterprise/AdminActionPreferenceControllerTestBase.java b/tests/robotests/src/com/android/settings/enterprise/AdminActionPreferenceControllerTestBase.java
index 83b7198..fa9702b 100644
--- a/tests/robotests/src/com/android/settings/enterprise/AdminActionPreferenceControllerTestBase.java
+++ b/tests/robotests/src/com/android/settings/enterprise/AdminActionPreferenceControllerTestBase.java
@@ -21,7 +21,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.format.DateUtils;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerTestBase.java b/tests/robotests/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerTestBase.java
index c04c870..287d334 100644
--- a/tests/robotests/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerTestBase.java
+++ b/tests/robotests/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerTestBase.java
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceControllerTest.java
index a20da9d..b18bf1c 100644
--- a/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceControllerTest.java
index 5455e85..e1a9926 100644
--- a/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/AlwaysOnVpnManagedProfilePreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/enterprise/ApplicationListFragmentTest.java b/tests/robotests/src/com/android/settings/enterprise/ApplicationListFragmentTest.java
index efb4bc7..1879793 100644
--- a/tests/robotests/src/com/android/settings/enterprise/ApplicationListFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/ApplicationListFragmentTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.content.pm.UserInfo;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/enterprise/ApplicationListPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/ApplicationListPreferenceControllerTest.java
index 9b95f12..d2b305a 100644
--- a/tests/robotests/src/com/android/settings/enterprise/ApplicationListPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/ApplicationListPreferenceControllerTest.java
@@ -32,8 +32,8 @@
 import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/tests/robotests/src/com/android/settings/enterprise/BackupsEnabledPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/BackupsEnabledPreferenceControllerTest.java
index a836fa2..72207d1 100644
--- a/tests/robotests/src/com/android/settings/enterprise/BackupsEnabledPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/BackupsEnabledPreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceControllerTest.java
index ff1a963..2f31b28 100644
--- a/tests/robotests/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceControllerTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.when;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/enterprise/CaCertsPreferenceControllerTestBase.java b/tests/robotests/src/com/android/settings/enterprise/CaCertsPreferenceControllerTestBase.java
index fd371c9..485ed46 100644
--- a/tests/robotests/src/com/android/settings/enterprise/CaCertsPreferenceControllerTestBase.java
+++ b/tests/robotests/src/com/android/settings/enterprise/CaCertsPreferenceControllerTestBase.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
index c785681..d7d0abd 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
index adac125..845f607 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListFragmentTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListFragmentTest.java
index 109bc92..6c5fed0 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListFragmentTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceControllerTest.java
index 7fc63b5..b54dc9a 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceControllerTest.java
@@ -32,9 +32,9 @@
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java
index 971b6d8..442b56c 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java
@@ -28,7 +28,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.EnterpriseDefaultApps;
diff --git a/tests/robotests/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerTestBase.java b/tests/robotests/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerTestBase.java
index d13197a..0ee50ca 100644
--- a/tests/robotests/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerTestBase.java
+++ b/tests/robotests/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerTestBase.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
index b1753ec..14ae7b4 100644
--- a/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/enterprise/ImePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/ImePreferenceControllerTest.java
index 26e808f..c007d37 100644
--- a/tests/robotests/src/com/android/settings/enterprise/ImePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/ImePreferenceControllerTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceControllerTest.java
index b6813d0..885e890 100644
--- a/tests/robotests/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/fingerprint/FingerprintPreferenceTest.java b/tests/robotests/src/com/android/settings/fingerprint/FingerprintPreferenceTest.java
index 6e5e1a0..01a3c1e 100644
--- a/tests/robotests/src/com/android/settings/fingerprint/FingerprintPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/fingerprint/FingerprintPreferenceTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.FrameLayout;
diff --git a/tests/robotests/src/com/android/settings/fingerprint/FingerprintStatusPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fingerprint/FingerprintStatusPreferenceControllerTest.java
index 730b833..8e94be0 100644
--- a/tests/robotests/src/com/android/settings/fingerprint/FingerprintStatusPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fingerprint/FingerprintStatusPreferenceControllerTest.java
@@ -29,7 +29,7 @@
 import android.hardware.fingerprint.Fingerprint;
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java b/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
index 0be6389..da4bddb 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetailTest.java
@@ -41,8 +41,8 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.Preference;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceControllerTest.java
index c66e6aa..e8e688d 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceControllerTest.java
index 389b714..d5f3e2b 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceControllerTest.java
@@ -32,7 +32,7 @@
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
index afedd5b..a30ddf1 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.PreferenceGroup;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.FeatureFlagUtils;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceControllerTest.java
index bf67cb8..8f94ffb 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceControllerTest.java
@@ -17,7 +17,7 @@
 
 package com.android.settings.fuelgauge;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Matchers.any;
@@ -28,13 +28,13 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.Intent;
 import android.os.BatteryManager;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
+import androidx.recyclerview.widget.RecyclerView;
 import android.widget.TextView;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryHistoryPreferenceTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryHistoryPreferenceTest.java
index 2a69d35..0da118a 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryHistoryPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryHistoryPreferenceTest.java
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.TextView;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceControllerTest.java
index dec9c6a..66ea56c 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
index d135769..5913d6b 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.os.PowerManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerGaugePreferenceTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerGaugePreferenceTest.java
index 8c25974..caaf71e 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerGaugePreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerGaugePreferenceTest.java
@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.VectorDrawable;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAdvancedTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAdvancedTest.java
index 9b61e5f..ffa49d4 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAdvancedTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAdvancedTest.java
@@ -28,7 +28,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetailsTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetailsTest.java
index 47a462b..f003a76 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetailsTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetailsTest.java
@@ -29,10 +29,10 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
 import android.util.IconDrawableFactory;
 
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
index bf1e887..c6f885c 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
@@ -31,7 +31,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/RestrictedAppDetailsTest.java b/tests/robotests/src/com/android/settings/fuelgauge/RestrictedAppDetailsTest.java
index dc71ed5..c52377f 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/RestrictedAppDetailsTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/RestrictedAppDetailsTest.java
@@ -30,10 +30,10 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
 import android.util.IconDrawableFactory;
 import android.widget.CheckBox;
 
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/SmartBatteryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/SmartBatteryPreferenceControllerTest.java
index b1e9f51..163b7c5 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/SmartBatteryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/SmartBatteryPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceControllerTest.java
index 0ee94ba..873b512 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsActivity;
 import com.android.settings.core.InstrumentedPreferenceFragment;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceControllerTest.java
index 763276c..89c5c0f 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceControllerTest.java
index fd91114..9457f09 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceControllerTest.java
@@ -17,7 +17,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.provider.Settings;
 
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java
index 641a15f..95c5990 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.os.PowerManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.widget.Button;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceControllerTest.java
index 27c3e3a..4623c10 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceControllerTest.java
@@ -23,7 +23,7 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java
index ba829b1..ff52a08 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java
@@ -29,11 +29,11 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateUtils;
 
 import com.android.internal.logging.nano.MetricsProto;
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTipTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTipTest.java
index 405e761..fa81300 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTipTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTipTest.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.IdRes;
-import android.support.v7.preference.Preference;
+import androidx.annotation.IdRes;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
index df40ba5..493e643 100644
--- a/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/GesturePreferenceControllerTest.java
@@ -28,9 +28,9 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.widget.VideoPreference;
diff --git a/tests/robotests/src/com/android/settings/gestures/GesturesSettingsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/GesturesSettingsPreferenceControllerTest.java
index 08a0372..adee609 100644
--- a/tests/robotests/src/com/android/settings/gestures/GesturesSettingsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/GesturesSettingsPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java
index b687b46..833a09d 100644
--- a/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/gestures/PreventRingingPreferenceControllerTest.java
@@ -36,8 +36,8 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceControllerTest.java
index 3c8f3c4..ca23fa5 100644
--- a/tests/robotests/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.content.Context;
 import android.hardware.input.InputManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.InputDevice;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/inputmethod/SpellCheckerPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/inputmethod/SpellCheckerPreferenceControllerTest.java
index 1a9f3c8..11b3c4b 100644
--- a/tests/robotests/src/com/android/settings/inputmethod/SpellCheckerPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/inputmethod/SpellCheckerPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.textservice.SpellCheckerInfo;
 import android.view.textservice.TextServicesManager;
 
diff --git a/tests/robotests/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceControllerTest.java
index 97ae2ec..c1a963c 100644
--- a/tests/robotests/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v4.text.BidiFormatter;
-import android.support.v7.preference.Preference;
+import androidx.core.text.BidiFormatter;
+import androidx.preference.Preference;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
 
diff --git a/tests/robotests/src/com/android/settings/language/LanguageAndInputSettingsTest.java b/tests/robotests/src/com/android/settings/language/LanguageAndInputSettingsTest.java
index a602412..9e18e06 100644
--- a/tests/robotests/src/com/android/settings/language/LanguageAndInputSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/language/LanguageAndInputSettingsTest.java
@@ -27,7 +27,7 @@
 
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
-import android.arch.lifecycle.LifecycleObserver;
+import androidx.lifecycle.LifecycleObserver;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
diff --git a/tests/robotests/src/com/android/settings/language/PhoneLanguagePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/language/PhoneLanguagePreferenceControllerTest.java
index 9fbbb98..8b7e8a6 100644
--- a/tests/robotests/src/com/android/settings/language/PhoneLanguagePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/language/PhoneLanguagePreferenceControllerTest.java
@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.content.res.AssetManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/language/TtsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/language/TtsPreferenceControllerTest.java
index 194c778..1b07f40 100644
--- a/tests/robotests/src/com/android/settings/language/TtsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/language/TtsPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.speech.tts.TextToSpeech;
 import android.speech.tts.TtsEngines;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/language/UserDictionaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/language/UserDictionaryPreferenceControllerTest.java
index 4b115bf..c20a83e 100644
--- a/tests/robotests/src/com/android/settings/language/UserDictionaryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/language/UserDictionaryPreferenceControllerTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.inputmethod.UserDictionaryList;
 import com.android.settings.inputmethod.UserDictionarySettings;
diff --git a/tests/robotests/src/com/android/settings/location/BluetoothScanningPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/BluetoothScanningPreferenceControllerTest.java
index ff25e25..0e5a9f6 100644
--- a/tests/robotests/src/com/android/settings/location/BluetoothScanningPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/BluetoothScanningPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 import android.content.ContentResolver;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java b/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
index f4973c0..10a313f 100644
--- a/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
@@ -30,7 +30,7 @@
 import static org.mockito.Mockito.when;
 
 import android.app.ActivityManager;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.UserInfo;
diff --git a/tests/robotests/src/com/android/settings/location/LocationFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationFooterPreferenceControllerTest.java
index 2d420f2..727e9a7 100644
--- a/tests/robotests/src/com/android/settings/location/LocationFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationFooterPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -37,8 +37,8 @@
 import android.content.res.Resources;
 import android.location.LocationManager;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/location/LocationForWorkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationForWorkPreferenceControllerTest.java
index 314b805..92fbeb9 100644
--- a/tests/robotests/src/com/android/settings/location/LocationForWorkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationForWorkPreferenceControllerTest.java
@@ -24,13 +24,13 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
index 33c6446..e96dd2f 100644
--- a/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
@@ -15,15 +15,15 @@
  */
 package com.android.settings.location;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -32,8 +32,8 @@
 import android.location.LocationManager;
 import android.provider.Settings;
 import android.provider.Settings.Secure;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.search.InlineListPayload;
diff --git a/tests/robotests/src/com/android/settings/location/LocationServicePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationServicePreferenceControllerTest.java
index 099ef7d..f3958f4 100644
--- a/tests/robotests/src/com/android/settings/location/LocationServicePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationServicePreferenceControllerTest.java
@@ -25,15 +25,15 @@
 import static org.mockito.Mockito.when;
 
 import android.app.admin.DevicePolicyManager;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ComponentName;
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowUserManager;
diff --git a/tests/robotests/src/com/android/settings/location/LocationSliceBuilderTest.java b/tests/robotests/src/com/android/settings/location/LocationSliceBuilderTest.java
index 22928bf..5e8180e 100644
--- a/tests/robotests/src/com/android/settings/location/LocationSliceBuilderTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationSliceBuilderTest.java
@@ -8,7 +8,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/location/LocationSwitchBarControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationSwitchBarControllerTest.java
index 6aa6d51..bd36cfa 100644
--- a/tests/robotests/src/com/android/settings/location/LocationSwitchBarControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationSwitchBarControllerTest.java
@@ -22,7 +22,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.provider.Settings;
 
diff --git a/tests/robotests/src/com/android/settings/location/RecentLocationRequestPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/RecentLocationRequestPreferenceControllerTest.java
index 0b12506..9a69ad7 100644
--- a/tests/robotests/src/com/android/settings/location/RecentLocationRequestPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/RecentLocationRequestPreferenceControllerTest.java
@@ -27,13 +27,13 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import com.android.settings.R;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
diff --git a/tests/robotests/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceControllerTest.java
index 6bd013e..1614a6c 100644
--- a/tests/robotests/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceControllerTest.java
@@ -24,11 +24,11 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.provider.Settings.Secure;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.widget.AppPreference;
diff --git a/tests/robotests/src/com/android/settings/location/WifiScanningPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/WifiScanningPreferenceControllerTest.java
index e7a69ea..6279adf 100644
--- a/tests/robotests/src/com/android/settings/location/WifiScanningPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/WifiScanningPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 import android.content.ContentResolver;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/network/AirplaneModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/AirplaneModePreferenceControllerTest.java
index 3b7f3f7..2bdad82 100644
--- a/tests/robotests/src/com/android/settings/network/AirplaneModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/AirplaneModePreferenceControllerTest.java
@@ -21,14 +21,14 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.provider.Settings;
 import android.provider.SettingsSlicesContract;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/network/ApnEditorTest.java b/tests/robotests/src/com/android/settings/network/ApnEditorTest.java
index 2fa9de1..e81bd82 100644
--- a/tests/robotests/src/com/android/settings/network/ApnEditorTest.java
+++ b/tests/robotests/src/com/android/settings/network/ApnEditorTest.java
@@ -32,10 +32,10 @@
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.v14.preference.MultiSelectListPreference;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.MultiSelectListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.ListPreference;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
diff --git a/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
index e404c9a..11eea6d 100644
--- a/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/MobileNetworkPreferenceControllerTest.java
@@ -15,8 +15,8 @@
  */
 package com.android.settings.network;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
@@ -25,14 +25,14 @@
 import static org.mockito.Mockito.when;
 import static org.robolectric.shadow.api.Shadow.extract;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
 
diff --git a/tests/robotests/src/com/android/settings/network/NetworkScorerPickerPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/NetworkScorerPickerPreferenceControllerTest.java
index 83ec5f8..f6e4024 100644
--- a/tests/robotests/src/com/android/settings/network/NetworkScorerPickerPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/NetworkScorerPickerPreferenceControllerTest.java
@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/network/NetworkScorerPickerTest.java b/tests/robotests/src/com/android/settings/network/NetworkScorerPickerTest.java
index 58a2c6a..8a47a80 100644
--- a/tests/robotests/src/com/android/settings/network/NetworkScorerPickerTest.java
+++ b/tests/robotests/src/com/android/settings/network/NetworkScorerPickerTest.java
@@ -28,8 +28,8 @@
 import android.content.Context;
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
index a63645b..eff20d3 100644
--- a/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/PrivateDnsPreferenceControllerTest.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.network;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
@@ -39,7 +39,7 @@
 import static org.mockito.Mockito.withSettings;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.ContentResolver;
 import android.database.ContentObserver;
@@ -49,8 +49,8 @@
 import android.net.Network;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/network/TetherPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/TetherPreferenceControllerTest.java
index ac573b4..5bf675e 100644
--- a/tests/robotests/src/com/android/settings/network/TetherPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/TetherPreferenceControllerTest.java
@@ -34,7 +34,7 @@
 import android.database.ContentObserver;
 import android.net.ConnectivityManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
index beb522d..0455d9f 100644
--- a/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
@@ -17,8 +17,8 @@
 package com.android.settings.network;
 
 import static com.google.common.truth.Truth.assertThat;
-import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.doReturn;
@@ -26,7 +26,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.IConnectivityManager;
@@ -34,8 +34,8 @@
 import android.os.IBinder;
 import android.os.UserHandle;
 import android.provider.SettingsSlicesContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.net.VpnConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/nfc/AndroidBeamPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/nfc/AndroidBeamPreferenceControllerTest.java
index 8232afe..0abd428 100644
--- a/tests/robotests/src/com/android/settings/nfc/AndroidBeamPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/nfc/AndroidBeamPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/nfc/NfcAirplaneModeObserverTest.java b/tests/robotests/src/com/android/settings/nfc/NfcAirplaneModeObserverTest.java
index b6d28d1..9e7e4f4 100644
--- a/tests/robotests/src/com/android/settings/nfc/NfcAirplaneModeObserverTest.java
+++ b/tests/robotests/src/com/android/settings/nfc/NfcAirplaneModeObserverTest.java
@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.nfc.NfcAdapter;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowNfcAdapter;
diff --git a/tests/robotests/src/com/android/settings/nfc/NfcForegroundPreferenceTest.java b/tests/robotests/src/com/android/settings/nfc/NfcForegroundPreferenceTest.java
index 39c7d6c..4d40b12 100644
--- a/tests/robotests/src/com/android/settings/nfc/NfcForegroundPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/nfc/NfcForegroundPreferenceTest.java
@@ -23,8 +23,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/nfc/NfcPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/nfc/NfcPreferenceControllerTest.java
index 008d158..f65866a 100644
--- a/tests/robotests/src/com/android/settings/nfc/NfcPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/nfc/NfcPreferenceControllerTest.java
@@ -27,8 +27,8 @@
 import android.nfc.NfcManager;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceControllerTest.java
index 31b2eb1..2f383fe 100644
--- a/tests/robotests/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.accounts.AccountRestrictionHelper;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/AllowSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/AllowSoundPreferenceControllerTest.java
index 0de0789..d898972 100644
--- a/tests/robotests/src/com/android/settings/notification/AllowSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/AllowSoundPreferenceControllerTest.java
@@ -35,8 +35,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/notification/AppLinkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/AppLinkPreferenceControllerTest.java
index 2a4ef73..84407eb 100644
--- a/tests/robotests/src/com/android/settings/notification/AppLinkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/AppLinkPreferenceControllerTest.java
@@ -31,7 +31,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/BadgePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/BadgePreferenceControllerTest.java
index ad01250..96dbd62 100644
--- a/tests/robotests/src/com/android/settings/notification/BadgePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/BadgePreferenceControllerTest.java
@@ -37,8 +37,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/notification/BadgingNotificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/BadgingNotificationPreferenceControllerTest.java
index 1d3c239..6899124 100644
--- a/tests/robotests/src/com/android/settings/notification/BadgingNotificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/BadgingNotificationPreferenceControllerTest.java
@@ -29,9 +29,9 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.search.InlinePayload;
 import com.android.settings.search.InlineSwitchPayload;
diff --git a/tests/robotests/src/com/android/settings/notification/BootSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/BootSoundPreferenceControllerTest.java
index a171068..f2e50e9 100644
--- a/tests/robotests/src/com/android/settings/notification/BootSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/BootSoundPreferenceControllerTest.java
@@ -22,8 +22,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/ChargingSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ChargingSoundPreferenceControllerTest.java
index 4e9f007..894ec07 100644
--- a/tests/robotests/src/com/android/settings/notification/ChargingSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ChargingSoundPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/DeletedChannelsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DeletedChannelsPreferenceControllerTest.java
index eb01cbb..5f3a616 100644
--- a/tests/robotests/src/com/android/settings/notification/DeletedChannelsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DeletedChannelsPreferenceControllerTest.java
@@ -30,7 +30,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/robotests/src/com/android/settings/notification/DescriptionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DescriptionPreferenceControllerTest.java
index 07b17bf..8901a5d 100644
--- a/tests/robotests/src/com/android/settings/notification/DescriptionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DescriptionPreferenceControllerTest.java
@@ -30,7 +30,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/DialPadTonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DialPadTonePreferenceControllerTest.java
index f6bc178..881a307 100644
--- a/tests/robotests/src/com/android/settings/notification/DialPadTonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DialPadTonePreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/DndPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DndPreferenceControllerTest.java
index ba612ac..9f90e26 100644
--- a/tests/robotests/src/com/android/settings/notification/DndPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DndPreferenceControllerTest.java
@@ -35,8 +35,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/notification/DockAudioMediaPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DockAudioMediaPreferenceControllerTest.java
index ba7720a..74ace1d 100644
--- a/tests/robotests/src/com/android/settings/notification/DockAudioMediaPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DockAudioMediaPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.DropDownPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/DockingSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/DockingSoundPreferenceControllerTest.java
index c242cd0..3afb343 100644
--- a/tests/robotests/src/com/android/settings/notification/DockingSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/DockingSoundPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/EmergencyTonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/EmergencyTonePreferenceControllerTest.java
index 5bfcb40..0dba467 100644
--- a/tests/robotests/src/com/android/settings/notification/EmergencyTonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/EmergencyTonePreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.DropDownPreference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/HeaderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/HeaderPreferenceControllerTest.java
index 9a76647..26f5165 100644
--- a/tests/robotests/src/com/android/settings/notification/HeaderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/HeaderPreferenceControllerTest.java
@@ -31,7 +31,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v14.preference.PreferenceFragment;
+import androidx.preference.PreferenceFragment;
 import android.view.View;
 
 import com.android.settings.applications.LayoutPreference;
diff --git a/tests/robotests/src/com/android/settings/notification/ImportancePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ImportancePreferenceControllerTest.java
index 8ece321..5557cfd 100644
--- a/tests/robotests/src/com/android/settings/notification/ImportancePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ImportancePreferenceControllerTest.java
@@ -34,8 +34,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.RestrictedListPreference;
diff --git a/tests/robotests/src/com/android/settings/notification/LightsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/LightsPreferenceControllerTest.java
index 66b993e..02b85e1 100644
--- a/tests/robotests/src/com/android/settings/notification/LightsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/LightsPreferenceControllerTest.java
@@ -36,8 +36,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationAppPreferenceTest.java b/tests/robotests/src/com/android/settings/notification/NotificationAppPreferenceTest.java
index 80780ac..0d49315 100644
--- a/tests/robotests/src/com/android/settings/notification/NotificationAppPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/notification/NotificationAppPreferenceTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/NotificationPreferenceControllerTest.java
index 4fe384e..7eeee98 100644
--- a/tests/robotests/src/com/android/settings/notification/NotificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/NotificationPreferenceControllerTest.java
@@ -37,7 +37,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationsOffPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/NotificationsOffPreferenceControllerTest.java
index 741362e..e429f9a 100644
--- a/tests/robotests/src/com/android/settings/notification/NotificationsOffPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/NotificationsOffPreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/PulseNotificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/PulseNotificationPreferenceControllerTest.java
index 0d4e6c4..119f583 100644
--- a/tests/robotests/src/com/android/settings/notification/PulseNotificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/PulseNotificationPreferenceControllerTest.java
@@ -24,9 +24,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
index 3447703..9dd077f 100644
--- a/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/RecentNotifyingAppsPreferenceControllerTest.java
@@ -40,9 +40,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.service.notification.NotifyingApp;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/notification/RingtonePreferenceControllerBaseTest.java b/tests/robotests/src/com/android/settings/notification/RingtonePreferenceControllerBaseTest.java
index 4494dd1..c6b055b 100644
--- a/tests/robotests/src/com/android/settings/notification/RingtonePreferenceControllerBaseTest.java
+++ b/tests/robotests/src/com/android/settings/notification/RingtonePreferenceControllerBaseTest.java
@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.media.RingtoneManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/ScreenLockSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ScreenLockSoundPreferenceControllerTest.java
index f15e2b7..4e91eaf 100644
--- a/tests/robotests/src/com/android/settings/notification/ScreenLockSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ScreenLockSoundPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/SettingPrefControllerTest.java b/tests/robotests/src/com/android/settings/notification/SettingPrefControllerTest.java
index ec12461..38e91a4 100644
--- a/tests/robotests/src/com/android/settings/notification/SettingPrefControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/SettingPrefControllerTest.java
@@ -27,7 +27,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/SoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/SoundPreferenceControllerTest.java
index d707f4d..b98a68f 100644
--- a/tests/robotests/src/com/android/settings/notification/SoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/SoundPreferenceControllerTest.java
@@ -40,8 +40,8 @@
 import android.net.Uri;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.AttributeSet;
 
 import com.android.settings.SettingsPreferenceFragment;
diff --git a/tests/robotests/src/com/android/settings/notification/TouchSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/TouchSoundPreferenceControllerTest.java
index 1e2a2d9..8dd8f24 100644
--- a/tests/robotests/src/com/android/settings/notification/TouchSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/TouchSoundPreferenceControllerTest.java
@@ -26,8 +26,8 @@
 import android.content.Context;
 import android.media.AudioManager;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/VibrateOnTouchPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/VibrateOnTouchPreferenceControllerTest.java
index d6fd1f4..c391c13 100644
--- a/tests/robotests/src/com/android/settings/notification/VibrateOnTouchPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/VibrateOnTouchPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.Context;
 import android.os.Vibrator;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/VibrateWhenRingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/VibrateWhenRingPreferenceControllerTest.java
index de5e2cd..82357d8 100644
--- a/tests/robotests/src/com/android/settings/notification/VibrateWhenRingPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/VibrateWhenRingPreferenceControllerTest.java
@@ -30,9 +30,9 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/VibrationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/VibrationPreferenceControllerTest.java
index fba065c..ce90895 100644
--- a/tests/robotests/src/com/android/settings/notification/VibrationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/VibrationPreferenceControllerTest.java
@@ -35,8 +35,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.os.Vibrator;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedLockUtils;
diff --git a/tests/robotests/src/com/android/settings/notification/VolumeSeekBarPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/VolumeSeekBarPreferenceControllerTest.java
index 8fef5fc..7b9af3e 100644
--- a/tests/robotests/src/com/android/settings/notification/VolumeSeekBarPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/VolumeSeekBarPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/notification/WorkSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/WorkSoundPreferenceControllerTest.java
index 1e59fed..eb6adfc 100644
--- a/tests/robotests/src/com/android/settings/notification/WorkSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/WorkSoundPreferenceControllerTest.java
@@ -28,10 +28,10 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.DefaultRingtonePreference;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenCustomRadioButtonPreferenceTest.java b/tests/robotests/src/com/android/settings/notification/ZenCustomRadioButtonPreferenceTest.java
index 0993f33..40dfc41 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenCustomRadioButtonPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenCustomRadioButtonPreferenceTest.java
@@ -22,8 +22,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenFooterPreferenceControllerTest.java
index 13f4fb1..8c7c326 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenFooterPreferenceControllerTest.java
@@ -34,7 +34,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeAlarmsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeAlarmsPreferenceControllerTest.java
index 7525942..4325594 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeAlarmsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeAlarmsPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceControllerTest.java
index b7f80ad..552361a 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceControllerTest.java
index 70e7919..b3a4b90 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorCallsPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceControllerTest.java
index 5020598..0bf8214 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceControllerTest.java
@@ -37,8 +37,8 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.ZenRule;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.ArrayMap;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceControllerTest.java
index afd9f71..e30fc71 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorMsgEventReminderPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceControllerTest.java
index a561271..d3fab8f 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeBehaviorSoundPreferenceControllerTest.java
@@ -24,7 +24,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeButtonPreferenceControllerTest.java
index e0245ad..10bd641 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeButtonPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeButtonPreferenceControllerTest.java
@@ -30,8 +30,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 import android.widget.Button;
 
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeCallsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeCallsPreferenceControllerTest.java
index 76c816c..8ecc955 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeCallsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeCallsPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeDurationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeDurationPreferenceControllerTest.java
index 9a94e6c..c03e95b 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeDurationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeDurationPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeEventsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeEventsPreferenceControllerTest.java
index f1c4585..c0f6768 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeEventsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeEventsPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeMediaPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeMediaPreferenceControllerTest.java
index db828a2..8709814 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeMediaPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeMediaPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeMessagesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeMessagesPreferenceControllerTest.java
index a0cfba3..dd4b408 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeMessagesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeMessagesPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModePreferenceControllerTest.java
index 437f4d1..3ea4471 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModePreferenceControllerTest.java
@@ -27,7 +27,7 @@
 import android.app.NotificationManager;
 import android.app.NotificationManager.Policy;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeRemindersPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeRemindersPreferenceControllerTest.java
index af421b8..2e7f35c 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeRemindersPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeRemindersPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceControllerTest.java
index 52805b3..cb79d64 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceControllerTest.java
index 2ec7514..fcf54ea 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceControllerTest.java
@@ -36,8 +36,8 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.ZenRule;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.ArrayMap;
 
 import com.android.settings.notification.AbstractZenModePreferenceController.ZenModeConfigWrapper;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeSliceBuilderTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeSliceBuilderTest.java
index ba5ab82..e3ba803 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeSliceBuilderTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeSliceBuilderTest.java
@@ -29,7 +29,7 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeStarredContactsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeStarredContactsPreferenceControllerTest.java
index 7a45d7f..754e66d 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeStarredContactsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeStarredContactsPreferenceControllerTest.java
@@ -29,8 +29,8 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeSystemPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeSystemPreferenceControllerTest.java
index 46dfc69..54d6afe 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeSystemPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeSystemPreferenceControllerTest.java
@@ -31,8 +31,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectPreferenceControllerTest.java
index 29ced0b..2fb747e 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectPreferenceControllerTest.java
@@ -36,8 +36,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceControllerTest.java
index 3058388..a20b7e1 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsAllPreferenceControllerTest.java
@@ -41,7 +41,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceControllerTest.java
index 64042a8..9f8e91a 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsCustomPreferenceControllerTest.java
@@ -41,7 +41,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceControllerTest.java
index 0f99be8..fd22166 100644
--- a/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ZenModeVisEffectsNonePreferenceControllerTest.java
@@ -40,7 +40,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/print/PrintSettingsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/print/PrintSettingsPreferenceControllerTest.java
index 82bd404..1b48da8 100644
--- a/tests/robotests/src/com/android/settings/print/PrintSettingsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/print/PrintSettingsPreferenceControllerTest.java
@@ -16,15 +16,15 @@
 
 package com.android.settings.print;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.UserManager;
 import android.print.PrintJob;
diff --git a/tests/robotests/src/com/android/settings/security/CredentialStoragePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/CredentialStoragePreferenceControllerTest.java
index 1b0549c..493c166 100644
--- a/tests/robotests/src/com/android/settings/security/CredentialStoragePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/CredentialStoragePreferenceControllerTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/EncryptionStatusPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/EncryptionStatusPreferenceControllerTest.java
index 2e6b703..944f9fd 100644
--- a/tests/robotests/src/com/android/settings/security/EncryptionStatusPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/EncryptionStatusPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
index 50f26c2..728fda6 100644
--- a/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/LockUnificationPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/security/LockdownButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/LockdownButtonPreferenceControllerTest.java
index 023324c..3feb4a9 100644
--- a/tests/robotests/src/com/android/settings/security/LockdownButtonPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/LockdownButtonPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
index f047454..5568553 100644
--- a/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/OwnerInfoPreferenceControllerTest.java
@@ -29,9 +29,9 @@
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/RestrictedEncryptionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/RestrictedEncryptionPreferenceControllerTest.java
index 0ca41eb..b41ec46 100644
--- a/tests/robotests/src/com/android/settings/security/RestrictedEncryptionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/RestrictedEncryptionPreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.UserManager;
 
diff --git a/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
index 818dc68..e8906cba 100644
--- a/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/ScreenPinningPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/ShowPasswordPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/ShowPasswordPreferenceControllerTest.java
index 0da3d13..5928587 100644
--- a/tests/robotests/src/com/android/settings/security/ShowPasswordPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/ShowPasswordPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
index afca089..4a12c5a 100644
--- a/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/SimLockPreferenceControllerTest.java
@@ -25,8 +25,8 @@
 import android.content.Context;
 import android.os.PersistableBundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
diff --git a/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
index 4e37aa7..1d65aed 100644
--- a/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/VisiblePatternProfilePreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.hardware.fingerprint.FingerprintManager;
diff --git a/tests/robotests/src/com/android/settings/security/screenlock/LockScreenPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/screenlock/LockScreenPreferenceControllerTest.java
index 17e61ee..fc555c4 100644
--- a/tests/robotests/src/com/android/settings/security/screenlock/LockScreenPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/screenlock/LockScreenPreferenceControllerTest.java
@@ -18,7 +18,7 @@
 
 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC;
 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.android.settings.core.BasePreferenceController.AVAILABLE;
 import static com.android.settings.core.BasePreferenceController.DISABLED_FOR_USER;
 import static com.google.common.truth.Truth.assertThat;
@@ -26,11 +26,11 @@
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.FakeFeatureFactory;
diff --git a/tests/robotests/src/com/android/settings/security/screenlock/PatternVisiblePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/screenlock/PatternVisiblePreferenceControllerTest.java
index ca2854e..0b5d29d 100644
--- a/tests/robotests/src/com/android/settings/security/screenlock/PatternVisiblePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/screenlock/PatternVisiblePreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceControllerTest.java
index e17e797..c30c53e 100644
--- a/tests/robotests/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceControllerTest.java
@@ -22,7 +22,7 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
index f7d30a1..eedb2da 100644
--- a/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/security/trustagent/TrustAgentListPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/security/trustagent/TrustAgentListPreferenceControllerTest.java
index 9bd7064..94298be 100644
--- a/tests/robotests/src/com/android/settings/security/trustagent/TrustAgentListPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/security/trustagent/TrustAgentListPreferenceControllerTest.java
@@ -27,12 +27,12 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ComponentName;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.PreferenceControllerMixin;
diff --git a/tests/robotests/src/com/android/settings/sound/AudioOutputSwitchPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/sound/AudioOutputSwitchPreferenceControllerTest.java
index 1140aee..748aa0c 100644
--- a/tests/robotests/src/com/android/settings/sound/AudioOutputSwitchPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/sound/AudioOutputSwitchPreferenceControllerTest.java
@@ -46,9 +46,9 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.IntentFilter;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceControllerTest.java
index 614bcce..4e67143 100644
--- a/tests/robotests/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceControllerTest.java
@@ -34,9 +34,9 @@
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/sound/MediaOutputPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/sound/MediaOutputPreferenceControllerTest.java
index 4dd809c..e1b9301 100644
--- a/tests/robotests/src/com/android/settings/sound/MediaOutputPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/sound/MediaOutputPreferenceControllerTest.java
@@ -36,9 +36,9 @@
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/survey/SurveyMixinTest.java b/tests/robotests/src/com/android/settings/survey/SurveyMixinTest.java
index 63df36e..b44a719 100644
--- a/tests/robotests/src/com/android/settings/survey/SurveyMixinTest.java
+++ b/tests/robotests/src/com/android/settings/survey/SurveyMixinTest.java
@@ -12,7 +12,7 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.IntentFilter;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 import com.android.settings.core.InstrumentedPreferenceFragment;
 import com.android.settings.overlay.SurveyFeatureProvider;
diff --git a/tests/robotests/src/com/android/settings/system/SystemUpdatePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/system/SystemUpdatePreferenceControllerTest.java
index 1b4c543..0c26650 100644
--- a/tests/robotests/src/com/android/settings/system/SystemUpdatePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/system/SystemUpdatePreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.os.Bundle;
 import android.os.SystemUpdateManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/testutils/ResIdSubject.java b/tests/robotests/src/com/android/settings/testutils/ResIdSubject.java
index 2305edb..3803d75 100644
--- a/tests/robotests/src/com/android/settings/testutils/ResIdSubject.java
+++ b/tests/robotests/src/com/android/settings/testutils/ResIdSubject.java
@@ -20,7 +20,7 @@
 
 import static org.robolectric.RuntimeEnvironment.application;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.google.common.truth.ComparableSubject;
 import com.google.common.truth.FailureStrategy;
diff --git a/tests/robotests/src/com/android/settings/testutils/SliceTester.java b/tests/robotests/src/com/android/settings/testutils/SliceTester.java
index d505529..332617b 100644
--- a/tests/robotests/src/com/android/settings/testutils/SliceTester.java
+++ b/tests/robotests/src/com/android/settings/testutils/SliceTester.java
@@ -45,7 +45,7 @@
 import androidx.slice.core.SliceQuery;
 import androidx.slice.widget.EventInfo;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import com.android.settings.Utils;
 import com.android.settings.slices.SettingsSliceProvider;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java b/tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java
index a1bcd46..b184eb2 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/SettingsShadowResources.java
@@ -14,9 +14,9 @@
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.ArrayRes;
-import android.support.annotation.ColorRes;
-import android.support.annotation.Nullable;
+import androidx.annotation.ArrayRes;
+import androidx.annotation.ColorRes;
+import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 import android.util.SparseArray;
 import android.util.TypedValue;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowBidiFormatter.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowBidiFormatter.java
index 66d7338..4ca8943 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowBidiFormatter.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowBidiFormatter.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.testutils.shadow;
 
-import android.support.v4.text.BidiFormatter;
-import android.support.v4.text.TextDirectionHeuristicCompat;
+import androidx.core.text.BidiFormatter;
+import androidx.core.text.TextDirectionHeuristicCompat;
 
 import org.robolectric.annotation.Implements;
 
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCardView.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCardView.java
index e349ee3..55c1c45 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCardView.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCardView.java
@@ -17,7 +17,7 @@
 package com.android.settings.testutils.shadow;
 
 import android.content.Context;
-import android.support.v7.widget.CardView;
+import androidx.cardview.widget.CardView;
 import android.util.AttributeSet;
 
 import org.robolectric.annotation.Implements;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowFingerprintManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowFingerprintManager.java
index d79e7aa..f22c7d6 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowFingerprintManager.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowFingerprintManager.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.hardware.fingerprint.Fingerprint;
 import android.hardware.fingerprint.FingerprintManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Implementation;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPermissionChecker.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPermissionChecker.java
index 4f15642..c11f79c 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPermissionChecker.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPermissionChecker.java
@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.annotation.NonNull;
-import android.support.v4.content.PermissionChecker;
+import androidx.annotation.NonNull;
+import androidx.core.content.PermissionChecker;
 import android.text.TextUtils;
 
 import org.robolectric.annotation.Implementation;
diff --git a/tests/robotests/src/com/android/settings/users/AddUserWhenLockedPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/users/AddUserWhenLockedPreferenceControllerTest.java
index 46ee27e..10b2acb 100644
--- a/tests/robotests/src/com/android/settings/users/AddUserWhenLockedPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/users/AddUserWhenLockedPreferenceControllerTest.java
@@ -22,12 +22,12 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.UserManager;
 import android.provider.Settings.Global;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.RestrictedSwitchPreference;
diff --git a/tests/robotests/src/com/android/settings/users/AutoSyncDataPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/users/AutoSyncDataPreferenceControllerTest.java
index 03ea115..782e94d 100644
--- a/tests/robotests/src/com/android/settings/users/AutoSyncDataPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/users/AutoSyncDataPreferenceControllerTest.java
@@ -25,9 +25,9 @@
 import android.content.DialogInterface;
 import android.content.pm.UserInfo;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/users/AutoSyncPersonalDataPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/users/AutoSyncPersonalDataPreferenceControllerTest.java
index d15eae5..6247feb 100644
--- a/tests/robotests/src/com/android/settings/users/AutoSyncPersonalDataPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/users/AutoSyncPersonalDataPreferenceControllerTest.java
@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/wallpaper/WallpaperTypeSettingsTest.java b/tests/robotests/src/com/android/settings/wallpaper/WallpaperTypeSettingsTest.java
index a39ad9f..8241240 100644
--- a/tests/robotests/src/com/android/settings/wallpaper/WallpaperTypeSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/wallpaper/WallpaperTypeSettingsTest.java
@@ -10,7 +10,7 @@
 
 import android.app.Activity;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/widget/ActionBarShadowControllerTest.java b/tests/robotests/src/com/android/settings/widget/ActionBarShadowControllerTest.java
index f964224..6b4df47 100644
--- a/tests/robotests/src/com/android/settings/widget/ActionBarShadowControllerTest.java
+++ b/tests/robotests/src/com/android/settings/widget/ActionBarShadowControllerTest.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.widget;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.times;
@@ -26,8 +26,8 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
-import android.support.v7.widget.RecyclerView;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/widget/ActionButtonPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/ActionButtonPreferenceTest.java
index 78493bf..f34c60b 100644
--- a/tests/robotests/src/com/android/settings/widget/ActionButtonPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/ActionButtonPreferenceTest.java
@@ -24,7 +24,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 import android.widget.Button;
 
diff --git a/tests/robotests/src/com/android/settings/widget/AppPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/AppPreferenceTest.java
index 33f2b82..9ce6317 100644
--- a/tests/robotests/src/com/android/settings/widget/AppPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/AppPreferenceTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/widget/AppSwitchPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/AppSwitchPreferenceTest.java
index de58307..6cb4f3d 100644
--- a/tests/robotests/src/com/android/settings/widget/AppSwitchPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/AppSwitchPreferenceTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/widget/DisabledCheckBoxPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/DisabledCheckBoxPreferenceTest.java
index ff10833..90470f6 100644
--- a/tests/robotests/src/com/android/settings/widget/DisabledCheckBoxPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/DisabledCheckBoxPreferenceTest.java
@@ -35,9 +35,9 @@
 import org.junit.runner.RunWith;
 import org.robolectric.RuntimeEnvironment;
 
-import android.support.v7.preference.R;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.R;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.widget.LinearLayout;
 
 @RunWith(SettingsRobolectricTestRunner.class)
diff --git a/tests/robotests/src/com/android/settings/widget/EntityHeaderControllerTest.java b/tests/robotests/src/com/android/settings/widget/EntityHeaderControllerTest.java
index cdc17ae..3337bd4 100644
--- a/tests/robotests/src/com/android/settings/widget/EntityHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/widget/EntityHeaderControllerTest.java
@@ -36,7 +36,7 @@
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.ColorDrawable;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.ImageButton;
diff --git a/tests/robotests/src/com/android/settings/widget/FixedLineSummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/FixedLineSummaryPreferenceTest.java
index 94188d8..48e918d 100644
--- a/tests/robotests/src/com/android/settings/widget/FixedLineSummaryPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/FixedLineSummaryPreferenceTest.java
@@ -20,7 +20,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/widget/HighlightablePreferenceGroupAdapterTest.java b/tests/robotests/src/com/android/settings/widget/HighlightablePreferenceGroupAdapterTest.java
index 668907f..d952324 100644
--- a/tests/robotests/src/com/android/settings/widget/HighlightablePreferenceGroupAdapterTest.java
+++ b/tests/robotests/src/com/android/settings/widget/HighlightablePreferenceGroupAdapterTest.java
@@ -29,10 +29,10 @@
 import android.content.Context;
 import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
index db40ee9..b21090d 100644
--- a/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.CheckBox;
diff --git a/tests/robotests/src/com/android/settings/widget/MasterSwitchPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/MasterSwitchPreferenceTest.java
index 5456cac..f96519a 100644
--- a/tests/robotests/src/com/android/settings/widget/MasterSwitchPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/MasterSwitchPreferenceTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/widget/RadioButtonPickerFragmentTest.java b/tests/robotests/src/com/android/settings/widget/RadioButtonPickerFragmentTest.java
index 77ae382..29cc179 100644
--- a/tests/robotests/src/com/android/settings/widget/RadioButtonPickerFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/widget/RadioButtonPickerFragmentTest.java
@@ -25,7 +25,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/widget/RadioButtonPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/RadioButtonPreferenceTest.java
index 878bae4..80af1f9 100644
--- a/tests/robotests/src/com/android/settings/widget/RadioButtonPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/RadioButtonPreferenceTest.java
@@ -23,7 +23,7 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Application;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/widget/RtlCompatibleViewPagerTest.java b/tests/robotests/src/com/android/settings/widget/RtlCompatibleViewPagerTest.java
index ec128ca..f7c96ed 100644
--- a/tests/robotests/src/com/android/settings/widget/RtlCompatibleViewPagerTest.java
+++ b/tests/robotests/src/com/android/settings/widget/RtlCompatibleViewPagerTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.os.Parcelable;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/tests/robotests/src/com/android/settings/widget/UpdatableListPreferenceDialogFragmentTest.java b/tests/robotests/src/com/android/settings/widget/UpdatableListPreferenceDialogFragmentTest.java
index cd57654..c55ee9f 100644
--- a/tests/robotests/src/com/android/settings/widget/UpdatableListPreferenceDialogFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/widget/UpdatableListPreferenceDialogFragmentTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreference;
 import android.widget.ArrayAdapter;
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/widget/ValidatedEditTextPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/ValidatedEditTextPreferenceTest.java
index 865422c..4e2ec7b 100644
--- a/tests/robotests/src/com/android/settings/widget/ValidatedEditTextPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/ValidatedEditTextPreferenceTest.java
@@ -25,7 +25,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.InputType;
 import android.text.TextWatcher;
 import android.view.View;
diff --git a/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
index fee7bcc..a2f859c 100644
--- a/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/VideoPreferenceTest.java
@@ -22,7 +22,7 @@
 
 import android.content.Context;
 import android.media.MediaPlayer;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/wifi/LinkablePreferenceTest.java b/tests/robotests/src/com/android/settings/wifi/LinkablePreferenceTest.java
index 1530288..5ec598a 100644
--- a/tests/robotests/src/com/android/settings/wifi/LinkablePreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/LinkablePreferenceTest.java
@@ -19,7 +19,7 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.LinearLayout;
diff --git a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
index b8d9479..de629d8 100644
--- a/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/NotifyOpenNetworkPreferenceControllerTest.java
@@ -23,8 +23,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/wifi/UseOpenWifiPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/UseOpenWifiPreferenceControllerTest.java
index 8802e32..bc99fc2 100644
--- a/tests/robotests/src/com/android/settings/wifi/UseOpenWifiPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/UseOpenWifiPreferenceControllerTest.java
@@ -35,8 +35,8 @@
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiInfoPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/WifiInfoPreferenceControllerTest.java
index eac6886..19565f3 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiInfoPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiInfoPreferenceControllerTest.java
@@ -16,23 +16,23 @@
 
 package com.android.settings.wifi;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.IntentFilter;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiMasterSwitchPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/WifiMasterSwitchPreferenceControllerTest.java
index cea86bf..57ecfd0 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiMasterSwitchPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiMasterSwitchPreferenceControllerTest.java
@@ -31,8 +31,8 @@
 import android.net.NetworkScoreManager;
 import android.net.wifi.WifiManager;
 import android.os.Handler;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiSliceBuilderTest.java b/tests/robotests/src/com/android/settings/wifi/WifiSliceBuilderTest.java
index 605a661..0cd6bee 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiSliceBuilderTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiSliceBuilderTest.java
@@ -32,7 +32,7 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.net.wifi.WifiManager;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiWakeupPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/WifiWakeupPreferenceControllerTest.java
index d10b0e5..38118f5 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiWakeupPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiWakeupPreferenceControllerTest.java
@@ -28,8 +28,8 @@
 import android.content.Context;
 import android.location.LocationManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
diff --git a/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
index d08f922..435882b 100644
--- a/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
@@ -30,7 +30,7 @@
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -51,8 +51,8 @@
 import android.net.wifi.WifiManager;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.ImageView;
diff --git a/tests/robotests/src/com/android/settings/wifi/details/WifiMeteredPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/details/WifiMeteredPreferenceControllerTest.java
index 00a4a94..13dc51d 100644
--- a/tests/robotests/src/com/android/settings/wifi/details/WifiMeteredPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/details/WifiMeteredPreferenceControllerTest.java
@@ -21,7 +21,7 @@
 
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.DropDownPreference;
+import androidx.preference.DropDownPreference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceControllerTest.java
index f57c7eb..41b70e2 100644
--- a/tests/robotests/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceControllerTest.java
@@ -23,9 +23,9 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceControllerTest.java
index d0f9481..9741f4f 100644
--- a/tests/robotests/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceControllerTest.java
@@ -21,8 +21,8 @@
 import static org.mockito.Mockito.when;
 
 import android.net.wifi.p2p.WifiP2pDevice;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/wifi/p2p/WifiP2PPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/p2p/WifiP2PPreferenceControllerTest.java
index 86d4957..fb4ffc3 100644
--- a/tests/robotests/src/com/android/settings/wifi/p2p/WifiP2PPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/p2p/WifiP2PPreferenceControllerTest.java
@@ -15,8 +15,8 @@
  */
 package com.android.settings.wifi.p2p;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_PAUSE;
-import static android.arch.lifecycle.Lifecycle.Event.ON_RESUME;
+import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
@@ -24,14 +24,14 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settingslib.core.lifecycle.Lifecycle;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceControllerTest.java
index d9c867c..4b81b34 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceControllerTest.java
index c553764..0637353 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceControllerTest.java
@@ -20,7 +20,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceControllerTest.java
index 2de98d9..a790d52 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.widget.ValidatedEditTextPreference;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPreferenceControllerTest.java
index 149cd22..9df86b8 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherPreferenceControllerTest.java
@@ -16,8 +16,8 @@
 
 package com.android.settings.wifi.tether;
 
-import static android.arch.lifecycle.Lifecycle.Event.ON_START;
-import static android.arch.lifecycle.Lifecycle.Event.ON_STOP;
+import static androidx.lifecycle.Lifecycle.Event.ON_START;
+import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
@@ -27,7 +27,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.arch.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LifecycleOwner;
 import android.content.BroadcastReceiver;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -37,7 +37,7 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceControllerTest.java
index f5e643d..bbd57cb 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceControllerTest.java
@@ -26,7 +26,7 @@
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.widget.ValidatedEditTextPreference;
diff --git a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceControllerTest.java
index 4108df4..86f03e0 100644
--- a/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceControllerTest.java
@@ -10,8 +10,8 @@
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
diff --git a/tests/unit/src/com/android/settings/applications/AppOpsSettingsTest.java b/tests/unit/src/com/android/settings/applications/AppOpsSettingsTest.java
index 17a1889..8f53d0b 100644
--- a/tests/unit/src/com/android/settings/applications/AppOpsSettingsTest.java
+++ b/tests/unit/src/com/android/settings/applications/AppOpsSettingsTest.java
@@ -34,7 +34,7 @@
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject2;
 import android.support.test.uiautomator.Until;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.widget.Switch;
 import android.widget.TextView;
 
diff --git a/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java b/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java
index d4f0049..b1e5ea7 100644
--- a/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java
+++ b/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java
@@ -35,7 +35,7 @@
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
 import android.support.test.runner.AndroidJUnit4;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreference;
 
 import org.junit.Before;
 import org.junit.Test;
diff --git a/tests/unit/src/com/android/settings/print/PrintJobSettingsActivityTest.java b/tests/unit/src/com/android/settings/print/PrintJobSettingsActivityTest.java
index da351e7..8fcd082 100644
--- a/tests/unit/src/com/android/settings/print/PrintJobSettingsActivityTest.java
+++ b/tests/unit/src/com/android/settings/print/PrintJobSettingsActivityTest.java
@@ -32,7 +32,7 @@
 import android.print.PrintDocumentInfo;
 import android.print.PrintJob;
 import android.print.PrintManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.LargeTest;
 import android.support.test.rule.ActivityTestRule;