diff --git a/src/com/android/settings/RemoteBugreportActivity.java b/src/com/android/settings/RemoteBugreportActivity.java
index 1485287..20cc059 100644
--- a/src/com/android/settings/RemoteBugreportActivity.java
+++ b/src/com/android/settings/RemoteBugreportActivity.java
@@ -20,7 +20,6 @@
 import static android.app.admin.DevicePolicyResources.Strings.Settings.SHARE_REMOTE_BUGREPORT_NOT_FINISHED_REQUEST_CONSENT;
 import static android.app.admin.DevicePolicyResources.Strings.Settings.SHARING_REMOTE_BUGREPORT_MESSAGE;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
 import android.content.DialogInterface;
@@ -29,6 +28,7 @@
 import android.os.UserHandle;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 
 /**
diff --git a/src/com/android/settings/ResetNetwork.java b/src/com/android/settings/ResetNetwork.java
index da15d03..80f5962 100644
--- a/src/com/android/settings/ResetNetwork.java
+++ b/src/com/android/settings/ResetNetwork.java
@@ -16,12 +16,10 @@
 
 package com.android.settings;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.settings.SettingsEnums;
 import android.content.ContentResolver;
 import android.content.Context;
-import android.content.Intent;
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.provider.Settings;
@@ -43,6 +41,7 @@
 import androidx.activity.result.ActivityResult;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.InstrumentedFragment;
diff --git a/src/com/android/settings/TouchBlockingFrameLayout.java b/src/com/android/settings/TouchBlockingFrameLayout.java
index ca249e2..6c77273 100644
--- a/src/com/android/settings/TouchBlockingFrameLayout.java
+++ b/src/com/android/settings/TouchBlockingFrameLayout.java
@@ -16,12 +16,13 @@
 
 package com.android.settings;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.widget.FrameLayout;
 
+import androidx.annotation.Nullable;
+
 /**
  * Extension of FrameLayout that consumes all touch events.
  */
diff --git a/src/com/android/settings/TrustedCredentialsDialogBuilder.java b/src/com/android/settings/TrustedCredentialsDialogBuilder.java
index 9a73991..93d5ebb 100644
--- a/src/com/android/settings/TrustedCredentialsDialogBuilder.java
+++ b/src/com/android/settings/TrustedCredentialsDialogBuilder.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
 import android.content.DialogInterface;
@@ -31,6 +30,7 @@
 import android.widget.LinearLayout;
 import android.widget.Spinner;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/UserCredentialsSettings.java b/src/com/android/settings/UserCredentialsSettings.java
index 73f1d9e..4950650 100644
--- a/src/com/android/settings/UserCredentialsSettings.java
+++ b/src/com/android/settings/UserCredentialsSettings.java
@@ -17,7 +17,6 @@
 package com.android.settings;
 
 import android.annotation.LayoutRes;
-import android.annotation.Nullable;
 import android.app.Dialog;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
@@ -43,6 +42,7 @@
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
diff --git a/src/com/android/settings/accessibility/KeyboardVibrationTogglePreferenceController.java b/src/com/android/settings/accessibility/KeyboardVibrationTogglePreferenceController.java
index 47c2a95..858b374 100644
--- a/src/com/android/settings/accessibility/KeyboardVibrationTogglePreferenceController.java
+++ b/src/com/android/settings/accessibility/KeyboardVibrationTogglePreferenceController.java
@@ -21,8 +21,7 @@
 import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
 import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
+
 import android.content.Context;
 import android.database.ContentObserver;
 import android.net.Uri;
@@ -33,6 +32,8 @@
 import android.provider.Settings;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.lifecycle.DefaultLifecycleObserver;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.preference.Preference;
diff --git a/src/com/android/settings/applications/AppLocaleUtil.java b/src/com/android/settings/applications/AppLocaleUtil.java
index 70d284d..103a2c1 100644
--- a/src/com/android/settings/applications/AppLocaleUtil.java
+++ b/src/com/android/settings/applications/AppLocaleUtil.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.applications;
 
-import android.annotation.NonNull;
 import android.app.LocaleConfig;
 import android.content.Context;
 import android.content.Intent;
@@ -28,6 +27,7 @@
 import android.util.FeatureFlagUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/FetchPackageStorageAsyncLoader.java b/src/com/android/settings/applications/FetchPackageStorageAsyncLoader.java
index f3ad326..bb628c9 100644
--- a/src/com/android/settings/applications/FetchPackageStorageAsyncLoader.java
+++ b/src/com/android/settings/applications/FetchPackageStorageAsyncLoader.java
@@ -16,13 +16,15 @@
 
 package com.android.settings.applications;
 
-import android.annotation.NonNull;
+
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.UserHandle;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
+
 import com.android.internal.util.Preconditions;
 import com.android.settingslib.applications.StorageStatsSource;
 import com.android.settingslib.applications.StorageStatsSource.AppStorageStats;
diff --git a/src/com/android/settings/applications/appops/BackgroundCheckSummary.java b/src/com/android/settings/applications/appops/BackgroundCheckSummary.java
index 58f962a..4ed9002 100644
--- a/src/com/android/settings/applications/appops/BackgroundCheckSummary.java
+++ b/src/com/android/settings/applications/appops/BackgroundCheckSummary.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.applications.appops;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.os.Bundle;
 import android.preference.PreferenceFrameLayout;
@@ -24,6 +23,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentTransaction;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/credentials/CombinedProviderInfo.java b/src/com/android/settings/applications/credentials/CombinedProviderInfo.java
index e8541389..e7a391e 100644
--- a/src/com/android/settings/applications/credentials/CombinedProviderInfo.java
+++ b/src/com/android/settings/applications/credentials/CombinedProviderInfo.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.applications.credentials;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
@@ -28,6 +26,9 @@
 import android.text.TextUtils;
 import android.util.IconDrawableFactory;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
diff --git a/src/com/android/settings/applications/credentials/CredentialManagerPreferenceController.java b/src/com/android/settings/applications/credentials/CredentialManagerPreferenceController.java
index b0905ba..e186206 100644
--- a/src/com/android/settings/applications/credentials/CredentialManagerPreferenceController.java
+++ b/src/com/android/settings/applications/credentials/CredentialManagerPreferenceController.java
@@ -18,8 +18,6 @@
 
 import static androidx.lifecycle.Lifecycle.Event.ON_CREATE;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.Dialog;
 import android.content.ComponentName;
@@ -49,6 +47,8 @@
 import android.view.View;
 import android.widget.CompoundButton;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.DialogFragment;
diff --git a/src/com/android/settings/applications/credentials/DefaultCombinedPicker.java b/src/com/android/settings/applications/credentials/DefaultCombinedPicker.java
index a813ce4..2637d83 100644
--- a/src/com/android/settings/applications/credentials/DefaultCombinedPicker.java
+++ b/src/com/android/settings/applications/credentials/DefaultCombinedPicker.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.applications.credentials;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
@@ -38,6 +37,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.core.content.ContextCompat;
 import androidx.preference.Preference;
 
diff --git a/src/com/android/settings/applications/credentials/DefaultCombinedPreferenceController.java b/src/com/android/settings/applications/credentials/DefaultCombinedPreferenceController.java
index 47a89ec..567bc31 100644
--- a/src/com/android/settings/applications/credentials/DefaultCombinedPreferenceController.java
+++ b/src/com/android/settings/applications/credentials/DefaultCombinedPreferenceController.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.applications.credentials;
 
-import android.annotation.Nullable;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -30,6 +29,7 @@
 import android.text.TextUtils;
 import android.view.autofill.AutofillManager;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
index 30c7973..c31fb9e 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
@@ -18,7 +18,6 @@
 
 import static com.android.settingslib.widget.TwoTargetPreference.ICON_SIZE_MEDIUM;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -28,6 +27,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/applications/defaultapps/SettingIntentProvider.java b/src/com/android/settings/applications/defaultapps/SettingIntentProvider.java
index a6e3edf..c43fbd5 100644
--- a/src/com/android/settings/applications/defaultapps/SettingIntentProvider.java
+++ b/src/com/android/settings/applications/defaultapps/SettingIntentProvider.java
@@ -16,9 +16,10 @@
 
 package com.android.settings.applications.defaultapps;
 
-import android.annotation.Nullable;
 import android.content.Intent;
 
+import androidx.annotation.Nullable;
+
 /**
  * Provides an "advanced setting" intent for this app info.
  */
diff --git a/src/com/android/settings/applications/specialaccess/interactacrossprofiles/InteractAcrossProfilesSettings.java b/src/com/android/settings/applications/specialaccess/interactacrossprofiles/InteractAcrossProfilesSettings.java
index 8169072..432b423 100644
--- a/src/com/android/settings/applications/specialaccess/interactacrossprofiles/InteractAcrossProfilesSettings.java
+++ b/src/com/android/settings/applications/specialaccess/interactacrossprofiles/InteractAcrossProfilesSettings.java
@@ -17,7 +17,6 @@
 
 import static android.app.admin.DevicePolicyResources.Strings.Settings.CONNECTED_WORK_AND_PERSONAL_APPS_TITLE;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
@@ -32,6 +31,7 @@
 import android.util.Pair;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.Preference.OnPreferenceClickListener;
 import androidx.preference.PreferenceScreen;
diff --git a/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureSettings.java b/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureSettings.java
index 3c90bf3..f19b68a 100644
--- a/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureSettings.java
+++ b/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureSettings.java
@@ -17,7 +17,6 @@
 
 import static android.content.pm.PackageManager.GET_ACTIVITIES;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
@@ -32,6 +31,7 @@
 import android.util.Pair;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.Preference.OnPreferenceClickListener;
diff --git a/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsAccess.java b/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsAccess.java
index c186e07..4c9f813 100644
--- a/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsAccess.java
+++ b/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsAccess.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.applications.specialaccess.premiumsms;
 
-import android.annotation.Nullable;
 import android.app.Application;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
@@ -24,6 +23,7 @@
 import android.telephony.SmsManager;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.DropDownPreference;
 import androidx.preference.Preference;
diff --git a/src/com/android/settings/biometrics/BiometricEnrollActivity.java b/src/com/android/settings/biometrics/BiometricEnrollActivity.java
index 40763e3..73e1af1 100644
--- a/src/com/android/settings/biometrics/BiometricEnrollActivity.java
+++ b/src/com/android/settings/biometrics/BiometricEnrollActivity.java
@@ -24,7 +24,6 @@
 
 import static com.google.android.setupdesign.transition.TransitionHelper.TRANSITION_FADE_THROUGH;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
@@ -45,6 +44,7 @@
 import android.os.UserManager;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.android.internal.util.FrameworkStatsLog;
diff --git a/src/com/android/settings/biometrics/BiometricEnrollBase.java b/src/com/android/settings/biometrics/BiometricEnrollBase.java
index c9c8cff..292d977 100644
--- a/src/com/android/settings/biometrics/BiometricEnrollBase.java
+++ b/src/com/android/settings/biometrics/BiometricEnrollBase.java
@@ -18,7 +18,6 @@
 
 import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 
-import android.annotation.Nullable;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.content.res.ColorStateList;
@@ -32,6 +31,7 @@
 import android.widget.TextView;
 
 import androidx.annotation.ColorInt;
+import androidx.annotation.Nullable;
 
 import com.android.settings.R;
 import com.android.settings.SetupWizardUtils;
diff --git a/src/com/android/settings/biometrics/BiometricEnrollSidecar.java b/src/com/android/settings/biometrics/BiometricEnrollSidecar.java
index 369fa4b..78f6087 100644
--- a/src/com/android/settings/biometrics/BiometricEnrollSidecar.java
+++ b/src/com/android/settings/biometrics/BiometricEnrollSidecar.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.biometrics;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
@@ -24,6 +23,8 @@
 import android.os.Handler;
 import android.os.UserHandle;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settings.password.ChooseLockSettingsHelper;
 
diff --git a/src/com/android/settings/biometrics/BiometricsEnrollEnrolling.java b/src/com/android/settings/biometrics/BiometricsEnrollEnrolling.java
index 7051b70..e4f2586 100644
--- a/src/com/android/settings/biometrics/BiometricsEnrollEnrolling.java
+++ b/src/com/android/settings/biometrics/BiometricsEnrollEnrolling.java
@@ -16,11 +16,12 @@
 
 package com.android.settings.biometrics;
 
-import android.annotation.Nullable;
 import android.content.Intent;
 import android.os.UserHandle;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.password.ChooseLockSettingsHelper;
 
 /**
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrolling.java b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrolling.java
index 1b80838..c7f73cb 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrolling.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollEnrolling.java
@@ -21,8 +21,6 @@
 import android.animation.Animator;
 import android.animation.ObjectAnimator;
 import android.annotation.IntDef;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.annotation.RawRes;
 import android.app.Dialog;
 import android.app.settings.SettingsEnums;
@@ -60,6 +58,8 @@
 import android.widget.TextView;
 
 import androidx.annotation.IdRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.internal.annotations.VisibleForTesting;
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintLocationAnimationView.java b/src/com/android/settings/biometrics/fingerprint/FingerprintLocationAnimationView.java
index 99d4ff9..2916872 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintLocationAnimationView.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintLocationAnimationView.java
@@ -20,7 +20,6 @@
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ValueAnimator;
 import android.annotation.ColorInt;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
@@ -29,6 +28,8 @@
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 import com.android.settings.Utils;
 
diff --git a/src/com/android/settings/biometrics/fingerprint/FingerprintRemoveSidecar.java b/src/com/android/settings/biometrics/fingerprint/FingerprintRemoveSidecar.java
index 134462d..73eccdc 100644
--- a/src/com/android/settings/biometrics/fingerprint/FingerprintRemoveSidecar.java
+++ b/src/com/android/settings/biometrics/fingerprint/FingerprintRemoveSidecar.java
@@ -16,13 +16,14 @@
 
 package com.android.settings.biometrics.fingerprint;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.hardware.fingerprint.Fingerprint;
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Bundle;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.core.InstrumentedFragment;
 
 import java.util.LinkedList;
diff --git a/src/com/android/settings/biometrics/fingerprint/MessageDisplayController.java b/src/com/android/settings/biometrics/fingerprint/MessageDisplayController.java
index 11f3ee3..4dc75b9 100644
--- a/src/com/android/settings/biometrics/fingerprint/MessageDisplayController.java
+++ b/src/com/android/settings/biometrics/fingerprint/MessageDisplayController.java
@@ -16,11 +16,12 @@
 
 package com.android.settings.biometrics.fingerprint;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Handler;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import java.time.Clock;
 import java.util.ArrayDeque;
 import java.util.Deque;
diff --git a/src/com/android/settings/biometrics/fingerprint/UdfpsEnrollHelper.java b/src/com/android/settings/biometrics/fingerprint/UdfpsEnrollHelper.java
index d3bc977..8d1113e 100644
--- a/src/com/android/settings/biometrics/fingerprint/UdfpsEnrollHelper.java
+++ b/src/com/android/settings/biometrics/fingerprint/UdfpsEnrollHelper.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.biometrics.fingerprint;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.PointF;
 import android.hardware.fingerprint.FingerprintManager;
@@ -29,6 +27,9 @@
 import android.util.TypedValue;
 import android.view.accessibility.AccessibilityManager;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.settings.core.InstrumentedFragment;
 
 import java.util.ArrayList;
diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
index 0cd36d0..d5b4211 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
@@ -16,7 +16,8 @@
 
 package com.android.settings.bluetooth;
 
-import android.annotation.Nullable;
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -24,11 +25,10 @@
 import android.content.IntentFilter;
 import android.os.Bundle;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.fragment.app.FragmentActivity;
 
-import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
-
 /**
  * BluetoothPairingDialog asks the user to enter a PIN / Passkey / simple confirmation
  * for pairing with a remote Bluetooth device. It is an activity that appears as a dialog.
diff --git a/src/com/android/settings/bluetooth/LocalBluetoothPreferences.java b/src/com/android/settings/bluetooth/LocalBluetoothPreferences.java
index ebca342..6dd1105 100644
--- a/src/com/android/settings/bluetooth/LocalBluetoothPreferences.java
+++ b/src/com/android/settings/bluetooth/LocalBluetoothPreferences.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.bluetooth;
 
-import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
@@ -26,6 +25,8 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 
 /**
diff --git a/src/com/android/settings/bluetooth/RequestPermissionActivity.java b/src/com/android/settings/bluetooth/RequestPermissionActivity.java
index 32ca277..d670554 100644
--- a/src/com/android/settings/bluetooth/RequestPermissionActivity.java
+++ b/src/com/android/settings/bluetooth/RequestPermissionActivity.java
@@ -18,7 +18,6 @@
 
 import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
@@ -37,6 +36,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/connecteddevice/audiosharing/AudioSharingDeviceVolumeGroupController.java b/src/com/android/settings/connecteddevice/audiosharing/AudioSharingDeviceVolumeGroupController.java
index f075048..2f56f77 100644
--- a/src/com/android/settings/connecteddevice/audiosharing/AudioSharingDeviceVolumeGroupController.java
+++ b/src/com/android/settings/connecteddevice/audiosharing/AudioSharingDeviceVolumeGroupController.java
@@ -286,7 +286,7 @@
 
             @Override
             public void onDeviceVolumeChanged(
-                    @android.annotation.NonNull BluetoothDevice device,
+                    @NonNull BluetoothDevice device,
                     @IntRange(from = -255, to = 255) int volume) {
                 CachedBluetoothDevice cachedDevice =
                         mLocalBtManager.getCachedDeviceManager().findDevice(device);
diff --git a/src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsPreferenceController.java b/src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsPreferenceController.java
index b3d676c..1a2d52b 100644
--- a/src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsPreferenceController.java
+++ b/src/com/android/settings/connecteddevice/audiosharing/CallsAndAlarmsPreferenceController.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.connecteddevice.audiosharing;
 
-import android.annotation.Nullable;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.lifecycle.LifecycleOwner;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceSummaryUpdater.java b/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceSummaryUpdater.java
index 0d3b1b1..b2e6fb2 100644
--- a/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceSummaryUpdater.java
+++ b/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceSummaryUpdater.java
@@ -16,12 +16,13 @@
 
 package com.android.settings.connecteddevice.audiosharing.audiostreams;
 
-import android.annotation.Nullable;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.bluetooth.Utils;
 import com.android.settings.connecteddevice.audiosharing.AudioSharingUtils;
 import com.android.settingslib.bluetooth.BluetoothCallback;
diff --git a/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsCategoryController.java b/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsCategoryController.java
index f47526f..56d0fa7 100644
--- a/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsCategoryController.java
+++ b/src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsCategoryController.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.connecteddevice.audiosharing.audiostreams;
 
-import android.annotation.Nullable;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.lifecycle.LifecycleOwner;
 
 import com.android.settings.bluetooth.Utils;
diff --git a/src/com/android/settings/connecteddevice/dock/DockUpdater.java b/src/com/android/settings/connecteddevice/dock/DockUpdater.java
index 99ac124..1bc3c56 100644
--- a/src/com/android/settings/connecteddevice/dock/DockUpdater.java
+++ b/src/com/android/settings/connecteddevice/dock/DockUpdater.java
@@ -15,9 +15,10 @@
  */
 package com.android.settings.connecteddevice.dock;
 
-import android.annotation.NonNull;
 import android.content.Context;
 
+import androidx.annotation.NonNull;
+
 /**
  * Update the dock devices. It notifies the upper level whether to add/remove the preference
  * through {@link DevicePreferenceCallback}
diff --git a/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceUpdater.java b/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceUpdater.java
index d1407ae..5d30f7e 100644
--- a/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceUpdater.java
+++ b/src/com/android/settings/connecteddevice/fastpair/FastPairDeviceUpdater.java
@@ -16,9 +16,10 @@
 
 package com.android.settings.connecteddevice.fastpair;
 
-import android.annotation.Nullable;
 import android.content.Context;
 
+import androidx.annotation.Nullable;
+
 /**
  * Updates the Fast Pair devices. It notifies the upper level whether to add/remove the preference
  * through {@link DevicePreferenceCallback}
diff --git a/src/com/android/settings/connecteddevice/usb/UsbBackend.java b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
index 2f8b5c3..d194499 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbBackend.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
@@ -22,7 +22,6 @@
 import static android.service.usb.UsbPortStatusProto.DATA_ROLE_NONE;
 import static android.service.usb.UsbPortStatusProto.POWER_ROLE_SINK;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.hardware.usb.UsbManager;
@@ -32,6 +31,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import java.util.List;
diff --git a/src/com/android/settings/core/CategoryMixin.java b/src/com/android/settings/core/CategoryMixin.java
index 151ed7b..5f9fc00 100644
--- a/src/com/android/settings/core/CategoryMixin.java
+++ b/src/com/android/settings/core/CategoryMixin.java
@@ -19,7 +19,6 @@
 import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
 import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 
-import android.annotation.Nullable;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -30,6 +29,7 @@
 import android.util.ArraySet;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
diff --git a/src/com/android/settings/core/PreferenceControllerListHelper.java b/src/com/android/settings/core/PreferenceControllerListHelper.java
index 6d450fe..f37140e 100644
--- a/src/com/android/settings/core/PreferenceControllerListHelper.java
+++ b/src/com/android/settings/core/PreferenceControllerListHelper.java
@@ -20,13 +20,14 @@
 import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_FOR_WORK;
 import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_KEY;
 
-import android.annotation.NonNull;
 import android.annotation.XmlRes;
 import android.content.Context;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag;
 import com.android.settingslib.core.AbstractPreferenceController;
 
diff --git a/src/com/android/settings/core/PreferenceXmlParserUtils.java b/src/com/android/settings/core/PreferenceXmlParserUtils.java
index acb1d34..df3cd92 100644
--- a/src/com/android/settings/core/PreferenceXmlParserUtils.java
+++ b/src/com/android/settings/core/PreferenceXmlParserUtils.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.core;
 
-import android.annotation.NonNull;
 import android.annotation.XmlRes;
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -28,6 +27,7 @@
 import android.util.Xml;
 
 import androidx.annotation.IntDef;
+import androidx.annotation.NonNull;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/datausage/MeasurableLinearLayout.java b/src/com/android/settings/datausage/MeasurableLinearLayout.java
index f165be7..7fd392c 100644
--- a/src/com/android/settings/datausage/MeasurableLinearLayout.java
+++ b/src/com/android/settings/datausage/MeasurableLinearLayout.java
@@ -1,11 +1,12 @@
 package com.android.settings.datausage;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 
+import androidx.annotation.Nullable;
+
 public class MeasurableLinearLayout extends LinearLayout {
     private View mFixedView;
     private View mDisposableView;
diff --git a/src/com/android/settings/datausage/SpinnerPreference.java b/src/com/android/settings/datausage/SpinnerPreference.java
index c81ac55..febdead 100644
--- a/src/com/android/settings/datausage/SpinnerPreference.java
+++ b/src/com/android/settings/datausage/SpinnerPreference.java
@@ -14,13 +14,13 @@
 
 package com.android.settings.datausage;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.Spinner;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
diff --git a/src/com/android/settings/development/BackAnimationPreferenceController.java b/src/com/android/settings/development/BackAnimationPreferenceController.java
index 8c731a4..ed63896 100644
--- a/src/com/android/settings/development/BackAnimationPreferenceController.java
+++ b/src/com/android/settings/development/BackAnimationPreferenceController.java
@@ -18,10 +18,10 @@
 
 import static com.android.window.flags.Flags.predictiveBackSystemAnimations;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.provider.Settings;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.TwoStatePreference;
 
diff --git a/src/com/android/settings/development/EnableVerboseVendorLoggingPreferenceController.java b/src/com/android/settings/development/EnableVerboseVendorLoggingPreferenceController.java
index 2425768..ab65139 100644
--- a/src/com/android/settings/development/EnableVerboseVendorLoggingPreferenceController.java
+++ b/src/com/android/settings/development/EnableVerboseVendorLoggingPreferenceController.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.development;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.hardware.dumpstate.V1_0.IDumpstateDevice;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.TwoStatePreference;
diff --git a/src/com/android/settings/development/graphicsdriver/GraphicsDriverSystemPropertiesWrapper.java b/src/com/android/settings/development/graphicsdriver/GraphicsDriverSystemPropertiesWrapper.java
index 9684282..33badd1 100644
--- a/src/com/android/settings/development/graphicsdriver/GraphicsDriverSystemPropertiesWrapper.java
+++ b/src/com/android/settings/development/graphicsdriver/GraphicsDriverSystemPropertiesWrapper.java
@@ -14,9 +14,11 @@
  * limitations under the License.
  */
 package com.android.settings.development.graphicsdriver;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
+
 import android.os.SystemProperties;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 /**
  * Wrapper interface to access {@link SystemProperties}.
  *
diff --git a/src/com/android/settings/development/tare/AlarmManagerFragment.java b/src/com/android/settings/development/tare/AlarmManagerFragment.java
index 9b9eded..b55c7cf 100644
--- a/src/com/android/settings/development/tare/AlarmManagerFragment.java
+++ b/src/com/android/settings/development/tare/AlarmManagerFragment.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.development.tare;
 
-import android.annotation.Nullable;
 import android.app.Fragment;
 import android.app.tare.EconomyManager;
 import android.content.res.Resources;
@@ -26,6 +25,8 @@
 import android.widget.ExpandableListView;
 import android.widget.ExpandableListView.OnChildClickListener;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 
 /**
diff --git a/src/com/android/settings/development/tare/JobSchedulerFragment.java b/src/com/android/settings/development/tare/JobSchedulerFragment.java
index e3b36a5..7f5e663 100644
--- a/src/com/android/settings/development/tare/JobSchedulerFragment.java
+++ b/src/com/android/settings/development/tare/JobSchedulerFragment.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.development.tare;
 
-import android.annotation.Nullable;
 import android.app.Fragment;
 import android.app.tare.EconomyManager;
 import android.content.res.Resources;
@@ -26,6 +25,8 @@
 import android.widget.ExpandableListView;
 import android.widget.ExpandableListView.OnChildClickListener;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 
 /**
diff --git a/src/com/android/settings/development/tare/TareFactorController.java b/src/com/android/settings/development/tare/TareFactorController.java
index b5dd6ea..3407b7b 100644
--- a/src/com/android/settings/development/tare/TareFactorController.java
+++ b/src/com/android/settings/development/tare/TareFactorController.java
@@ -25,7 +25,6 @@
 import static android.provider.Settings.Global.TARE_ALARM_MANAGER_CONSTANTS;
 import static android.provider.Settings.Global.TARE_JOB_SCHEDULER_CONSTANTS;
 
-import android.annotation.NonNull;
 import android.app.tare.EconomyManager;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -40,6 +39,8 @@
 import android.util.KeyValueListParser;
 import android.util.Slog;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.R;
 
 /**
diff --git a/src/com/android/settings/development/tare/TareFactorDialogFragment.java b/src/com/android/settings/development/tare/TareFactorDialogFragment.java
index 6d2f5ca..269e209 100644
--- a/src/com/android/settings/development/tare/TareFactorDialogFragment.java
+++ b/src/com/android/settings/development/tare/TareFactorDialogFragment.java
@@ -18,7 +18,6 @@
 
 import static android.app.tare.EconomyManager.CAKE_IN_ARC;
 
-import android.annotation.NonNull;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.DialogFragment;
@@ -33,6 +32,8 @@
 import android.widget.EditText;
 import android.widget.Spinner;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.R;
 import com.android.settings.Utils;
 
diff --git a/src/com/android/settings/development/tare/TareFactorExpandableListAdapter.java b/src/com/android/settings/development/tare/TareFactorExpandableListAdapter.java
index 79b7d41..9c78d06 100644
--- a/src/com/android/settings/development/tare/TareFactorExpandableListAdapter.java
+++ b/src/com/android/settings/development/tare/TareFactorExpandableListAdapter.java
@@ -18,7 +18,6 @@
 
 import static android.app.tare.EconomyManager.CAKE_IN_ARC;
 
-import android.annotation.NonNull;
 import android.annotation.SuppressLint;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -26,6 +25,8 @@
 import android.widget.BaseExpandableListAdapter;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.R;
 
 /**
diff --git a/src/com/android/settings/deviceinfo/StorageWizardBase.java b/src/com/android/settings/deviceinfo/StorageWizardBase.java
index ba0cd33..bb9a781 100644
--- a/src/com/android/settings/deviceinfo/StorageWizardBase.java
+++ b/src/com/android/settings/deviceinfo/StorageWizardBase.java
@@ -20,7 +20,6 @@
 import static android.os.storage.VolumeInfo.EXTRA_VOLUME_ID;
 
 import android.annotation.LayoutRes;
-import android.annotation.NonNull;
 import android.content.Intent;
 import android.content.res.Resources.Theme;
 import android.graphics.drawable.Drawable;
@@ -38,6 +37,7 @@
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.FragmentActivity;
 
 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 a74c426..6ac0d26 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
@@ -18,7 +18,6 @@
 
 import static androidx.lifecycle.Lifecycle.Event;
 
-import android.annotation.Nullable;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -54,6 +53,7 @@
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.LifecycleObserver;
 import androidx.lifecycle.OnLifecycleEvent;
diff --git a/src/com/android/settings/deviceinfo/storage/StorageEntry.java b/src/com/android/settings/deviceinfo/storage/StorageEntry.java
index b419370..38b2c33 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageEntry.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageEntry.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.deviceinfo.storage;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -26,6 +25,8 @@
 import android.os.storage.VolumeRecord;
 import android.text.TextUtils;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.R;
 
 import java.io.File;
diff --git a/src/com/android/settings/display/ScreenResolutionFragment.java b/src/com/android/settings/display/ScreenResolutionFragment.java
index 622e665..a2ad25f 100644
--- a/src/com/android/settings/display/ScreenResolutionFragment.java
+++ b/src/com/android/settings/display/ScreenResolutionFragment.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.display;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.res.Resources;
@@ -30,6 +29,7 @@
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
index 0f4634e..9fc51ac 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
@@ -18,7 +18,6 @@
 
 import static android.app.admin.DevicePolicyResources.Strings.Settings.DISABLED_BY_IT_ADMIN_TITLE;
 
-import android.annotation.NonNull;
 import android.annotation.UserIdInt;
 import android.app.Activity;
 import android.app.admin.DevicePolicyManager;
@@ -33,6 +32,7 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 
diff --git a/src/com/android/settings/fuelgauge/BatteryActiveView.java b/src/com/android/settings/fuelgauge/BatteryActiveView.java
index a9aa6a4..969bf63 100644
--- a/src/com/android/settings/fuelgauge/BatteryActiveView.java
+++ b/src/com/android/settings/fuelgauge/BatteryActiveView.java
@@ -14,7 +14,6 @@
 
 package com.android.settings.fuelgauge;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
@@ -22,6 +21,8 @@
 import android.util.SparseIntArray;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 public class BatteryActiveView extends View {
 
     private final Paint mPaint = new Paint();
diff --git a/src/com/android/settings/fuelgauge/BatteryMeterView.java b/src/com/android/settings/fuelgauge/BatteryMeterView.java
index ecd8a1b..a041a31 100644
--- a/src/com/android/settings/fuelgauge/BatteryMeterView.java
+++ b/src/com/android/settings/fuelgauge/BatteryMeterView.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.fuelgauge;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.ColorFilter;
 import android.util.AttributeSet;
 import android.widget.ImageView;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
index 57dd578..31cec6a 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.fuelgauge.batterytip;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.os.BadParcelableException;
 import android.os.Bundle;
 import android.util.ArrayMap;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
diff --git a/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java b/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
index e23e219..002c807 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/ConvertUtils.java
@@ -16,7 +16,6 @@
 package com.android.settings.fuelgauge.batteryusage;
 
 import android.annotation.IntDef;
-import android.annotation.Nullable;
 import android.app.usage.IUsageStatsManager;
 import android.app.usage.UsageEvents.Event;
 import android.app.usage.UsageStatsManager;
@@ -34,6 +33,7 @@
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.fuelgauge.BatteryUtils;
diff --git a/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java b/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java
index 2d09e6b..b3a72d0 100644
--- a/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java
+++ b/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java
@@ -18,8 +18,6 @@
 
 import android.animation.TimeAnimator;
 import android.annotation.IntRange;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.ColorFilter;
@@ -30,6 +28,9 @@
 import android.os.Looper;
 import android.os.Message;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/homepage/contextualcards/ControllerRendererPool.java b/src/com/android/settings/homepage/contextualcards/ControllerRendererPool.java
index f556018..57e6d6f 100644
--- a/src/com/android/settings/homepage/contextualcards/ControllerRendererPool.java
+++ b/src/com/android/settings/homepage/contextualcards/ControllerRendererPool.java
@@ -16,10 +16,10 @@
 
 package com.android.settings.homepage.contextualcards;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.collection.ArraySet;
 import androidx.lifecycle.LifecycleOwner;
 
diff --git a/src/com/android/settings/homepage/contextualcards/SettingsContextualCardProvider.java b/src/com/android/settings/homepage/contextualcards/SettingsContextualCardProvider.java
index 3e6659f..509014c 100644
--- a/src/com/android/settings/homepage/contextualcards/SettingsContextualCardProvider.java
+++ b/src/com/android/settings/homepage/contextualcards/SettingsContextualCardProvider.java
@@ -16,7 +16,7 @@
 
 package com.android.settings.homepage.contextualcards;
 
-import android.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.android.settings.intelligence.ContextualCardProto.ContextualCard;
 import com.android.settings.intelligence.ContextualCardProto.ContextualCardList;
diff --git a/src/com/android/settings/inputmethod/UserDictionarySettings.java b/src/com/android/settings/inputmethod/UserDictionarySettings.java
index 27a62a9..16a2299 100644
--- a/src/com/android/settings/inputmethod/UserDictionarySettings.java
+++ b/src/com/android/settings/inputmethod/UserDictionarySettings.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.inputmethod;
 
-import android.annotation.Nullable;
 import android.app.ActionBar;
 import android.app.settings.SettingsEnums;
 import android.content.ContentResolver;
@@ -39,6 +38,7 @@
 import android.widget.SimpleCursorAdapter;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.ListFragment;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
diff --git a/src/com/android/settings/network/ActiveSubscriptionsListener.java b/src/com/android/settings/network/ActiveSubscriptionsListener.java
index dce441b..4967538 100644
--- a/src/com/android/settings/network/ActiveSubscriptionsListener.java
+++ b/src/com/android/settings/network/ActiveSubscriptionsListener.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.network;
 
-import android.annotation.NonNull;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -30,6 +29,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.telephony.TelephonyIntents;
diff --git a/src/com/android/settings/network/CarrierConfigCache.java b/src/com/android/settings/network/CarrierConfigCache.java
index 30374f5..35b65c8 100644
--- a/src/com/android/settings/network/CarrierConfigCache.java
+++ b/src/com/android/settings/network/CarrierConfigCache.java
@@ -20,7 +20,6 @@
 import static android.telephony.SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX;
 import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 
-import android.annotation.NonNull;
 import android.annotation.TestApi;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -32,6 +31,7 @@
 import android.util.Log;
 
 import androidx.annotation.GuardedBy;
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
 import java.util.Map;
diff --git a/src/com/android/settings/network/InternetUpdater.java b/src/com/android/settings/network/InternetUpdater.java
index bc24f86..11e9edd 100644
--- a/src/com/android/settings/network/InternetUpdater.java
+++ b/src/com/android/settings/network/InternetUpdater.java
@@ -24,7 +24,6 @@
 import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
 import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
 
-import android.annotation.NonNull;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -37,6 +36,7 @@
 import android.net.wifi.WifiManager;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
diff --git a/src/com/android/settings/network/MobileNetworkRepository.java b/src/com/android/settings/network/MobileNetworkRepository.java
index af37d24..b0c85fc 100644
--- a/src/com/android/settings/network/MobileNetworkRepository.java
+++ b/src/com/android/settings/network/MobileNetworkRepository.java
@@ -18,7 +18,6 @@
 import static android.telephony.SubscriptionManager.PROFILE_CLASS_PROVISIONING;
 import static android.telephony.UiccSlotInfo.CARD_STATE_INFO_PRESENT;
 
-import android.annotation.NonNull;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.database.ContentObserver;
@@ -38,6 +37,7 @@
 import android.util.Log;
 
 import androidx.annotation.GuardedBy;
+import androidx.annotation.NonNull;
 import androidx.lifecycle.LifecycleOwner;
 
 import com.android.internal.telephony.flags.Flags;
diff --git a/src/com/android/settings/network/ProxySubscriptionManager.java b/src/com/android/settings/network/ProxySubscriptionManager.java
index 51fafb1..7e276e8 100644
--- a/src/com/android/settings/network/ProxySubscriptionManager.java
+++ b/src/com/android/settings/network/ProxySubscriptionManager.java
@@ -20,7 +20,6 @@
 import static androidx.lifecycle.Lifecycle.Event.ON_START;
 import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.os.Looper;
 import android.provider.Settings;
@@ -29,6 +28,7 @@
 import android.util.Log;
 
 import androidx.annotation.Keep;
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.lifecycle.Lifecycle;
 import androidx.lifecycle.LifecycleObserver;
diff --git a/src/com/android/settings/network/SubscriptionUtil.java b/src/com/android/settings/network/SubscriptionUtil.java
index e416760..ca49823 100644
--- a/src/com/android/settings/network/SubscriptionUtil.java
+++ b/src/com/android/settings/network/SubscriptionUtil.java
@@ -22,7 +22,6 @@
 
 import static com.android.internal.util.CollectionUtils.emptyIfNull;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.ParcelUuid;
@@ -39,6 +38,7 @@
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.telephony.MccTable;
diff --git a/src/com/android/settings/network/telephony/MobileNetworkUtils.java b/src/com/android/settings/network/telephony/MobileNetworkUtils.java
index 38f6596..c1a05f1 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkUtils.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkUtils.java
@@ -31,7 +31,6 @@
 import static com.android.settings.network.telephony.TelephonyConstants.TelephonyManagerConstants.NETWORK_MODE_NR_LTE_CDMA_EVDO;
 import static com.android.settings.network.telephony.TelephonyConstants.TelephonyManagerConstants.NETWORK_MODE_NR_LTE_GSM_WCDMA;
 
-import android.annotation.Nullable;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
@@ -69,6 +68,7 @@
 import android.util.Log;
 import android.view.Gravity;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.util.ArrayUtils;
diff --git a/src/com/android/settings/notification/AppBubbleListPreferenceController.java b/src/com/android/settings/notification/AppBubbleListPreferenceController.java
index bf7fcc0..377cb46 100644
--- a/src/com/android/settings/notification/AppBubbleListPreferenceController.java
+++ b/src/com/android/settings/notification/AppBubbleListPreferenceController.java
@@ -21,7 +21,6 @@
 import static android.app.NotificationManager.BUBBLE_PREFERENCE_NONE;
 import static android.app.NotificationManager.BUBBLE_PREFERENCE_SELECTED;
 
-import android.annotation.Nullable;
 import android.app.NotificationChannel;
 import android.app.NotificationChannelGroup;
 import android.content.Context;
@@ -31,6 +30,7 @@
 import android.view.View;
 import android.widget.ImageView;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
diff --git a/src/com/android/settings/notification/NotificationAccessConfirmationActivity.java b/src/com/android/settings/notification/NotificationAccessConfirmationActivity.java
index 9ea8c58..3f300c0 100644
--- a/src/com/android/settings/notification/NotificationAccessConfirmationActivity.java
+++ b/src/com/android/settings/notification/NotificationAccessConfirmationActivity.java
@@ -24,7 +24,6 @@
 import static com.android.internal.notification.NotificationAccessConfirmationActivityContract.EXTRA_USER_ID;
 
 import android.Manifest;
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.NotificationManager;
 import android.app.admin.DevicePolicyManager;
@@ -44,6 +43,8 @@
 import android.view.accessibility.AccessibilityEvent;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+
 import com.android.internal.app.AlertActivity;
 import com.android.internal.app.AlertController;
 import com.android.settings.R;
diff --git a/src/com/android/settings/notification/NotificationAccessSettings.java b/src/com/android/settings/notification/NotificationAccessSettings.java
index e2ef0dd..6f16e56 100644
--- a/src/com/android/settings/notification/NotificationAccessSettings.java
+++ b/src/com/android/settings/notification/NotificationAccessSettings.java
@@ -19,7 +19,6 @@
 import static android.app.admin.DevicePolicyResources.Strings.Settings.WORK_APPS_CANNOT_ACCESS_NOTIFICATION_SETTINGS;
 import static android.app.admin.DevicePolicyResources.Strings.Settings.WORK_PROFILE_NOTIFICATION_LISTENER_BLOCKED;
 
-import android.annotation.Nullable;
 import android.app.NotificationManager;
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
@@ -40,6 +39,7 @@
 import android.view.View;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
 import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/notification/app/BubblePreferenceController.java b/src/com/android/settings/notification/app/BubblePreferenceController.java
index f2c5cdd..3bbb059 100644
--- a/src/com/android/settings/notification/app/BubblePreferenceController.java
+++ b/src/com/android/settings/notification/app/BubblePreferenceController.java
@@ -19,11 +19,11 @@
 import static android.app.NotificationManager.BUBBLE_PREFERENCE_NONE;
 import static android.provider.Settings.Secure.NOTIFICATION_BUBBLES;
 
-import android.annotation.Nullable;
 import android.app.NotificationChannel;
 import android.content.Context;
 import android.provider.Settings;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentManager;
 import androidx.preference.Preference;
 
diff --git a/src/com/android/settings/notification/app/NotificationPreferenceController.java b/src/com/android/settings/notification/app/NotificationPreferenceController.java
index fb19d9d..ef4bab9 100644
--- a/src/com/android/settings/notification/app/NotificationPreferenceController.java
+++ b/src/com/android/settings/notification/app/NotificationPreferenceController.java
@@ -17,21 +17,18 @@
 package com.android.settings.notification.app;
 
 import static android.app.NotificationManager.IMPORTANCE_NONE;
-import static android.os.UserHandle.USER_SYSTEM;
 
-import android.annotation.Nullable;
 import android.app.NotificationChannel;
 import android.app.NotificationChannelGroup;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ShortcutInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.provider.Settings;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 
 import com.android.settings.notification.NotificationBackend;
diff --git a/src/com/android/settings/notification/history/NotificationHistoryRecyclerView.java b/src/com/android/settings/notification/history/NotificationHistoryRecyclerView.java
index 224c31d..5923a4e 100644
--- a/src/com/android/settings/notification/history/NotificationHistoryRecyclerView.java
+++ b/src/com/android/settings/notification/history/NotificationHistoryRecyclerView.java
@@ -2,13 +2,13 @@
 
 import static android.view.HapticFeedbackConstants.CLOCK_TICK;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.util.AttributeSet;
 import android.view.View;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.LinearLayoutManager;
diff --git a/src/com/android/settings/notification/zen/ZenAccessSettings.java b/src/com/android/settings/notification/zen/ZenAccessSettings.java
index aac6954..418a571 100644
--- a/src/com/android/settings/notification/zen/ZenAccessSettings.java
+++ b/src/com/android/settings/notification/zen/ZenAccessSettings.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.notification.zen;
 
-import android.annotation.Nullable;
 import android.app.NotificationManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
@@ -30,6 +29,7 @@
 import android.util.Log;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/password/ChooseLockSettingsHelper.java b/src/com/android/settings/password/ChooseLockSettingsHelper.java
index 21fd94c..e74b776 100644
--- a/src/com/android/settings/password/ChooseLockSettingsHelper.java
+++ b/src/com/android/settings/password/ChooseLockSettingsHelper.java
@@ -18,8 +18,6 @@
 
 import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.ActivityOptions;
 import android.app.KeyguardManager;
@@ -33,6 +31,8 @@
 import android.util.Log;
 
 import androidx.activity.result.ActivityResultLauncher;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.fragment.app.Fragment;
 
diff --git a/src/com/android/settings/password/ConfirmDeviceCredentialBaseFragment.java b/src/com/android/settings/password/ConfirmDeviceCredentialBaseFragment.java
index ea00f7f..2af360a 100644
--- a/src/com/android/settings/password/ConfirmDeviceCredentialBaseFragment.java
+++ b/src/com/android/settings/password/ConfirmDeviceCredentialBaseFragment.java
@@ -22,7 +22,6 @@
 
 import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 
-import android.annotation.Nullable;
 import android.app.Dialog;
 import android.app.KeyguardManager;
 import android.app.RemoteLockscreenValidationSession;
@@ -48,6 +47,7 @@
 import android.widget.CheckBox;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentManager;
diff --git a/src/com/android/settings/password/ConfirmLockPassword.java b/src/com/android/settings/password/ConfirmLockPassword.java
index b139ae9..b9b1810 100644
--- a/src/com/android/settings/password/ConfirmLockPassword.java
+++ b/src/com/android/settings/password/ConfirmLockPassword.java
@@ -26,7 +26,6 @@
 import static com.android.settings.biometrics.GatekeeperPasswordProvider.getGatekeeperPasswordHandle;
 import static com.android.settings.password.ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE;
 
-import android.annotation.Nullable;
 import android.app.KeyguardManager;
 import android.app.RemoteLockscreenValidationResult;
 import android.app.admin.DevicePolicyManager;
@@ -57,6 +56,7 @@
 import android.widget.TextView;
 import android.widget.TextView.OnEditorActionListener;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 
 import com.android.internal.widget.LockPatternChecker;
diff --git a/src/com/android/settings/password/ConfirmLockPattern.java b/src/com/android/settings/password/ConfirmLockPattern.java
index 6e3ad30..3415478 100644
--- a/src/com/android/settings/password/ConfirmLockPattern.java
+++ b/src/com/android/settings/password/ConfirmLockPattern.java
@@ -24,7 +24,6 @@
 import static com.android.settings.biometrics.GatekeeperPasswordProvider.getGatekeeperPasswordHandle;
 import static com.android.settings.password.ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE;
 
-import android.annotation.Nullable;
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.KeyguardManager;
@@ -46,6 +45,8 @@
 import android.view.animation.Interpolator;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient;
 import com.android.internal.widget.LockPatternChecker;
 import com.android.internal.widget.LockPatternUtils;
diff --git a/src/com/android/settings/password/PasswordRequirementAdapter.java b/src/com/android/settings/password/PasswordRequirementAdapter.java
index 0d8f02e..7cf6a00 100644
--- a/src/com/android/settings/password/PasswordRequirementAdapter.java
+++ b/src/com/android/settings/password/PasswordRequirementAdapter.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.password;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/password/PasswordUtils.java b/src/com/android/settings/password/PasswordUtils.java
index 4bdc324..a54df94 100644
--- a/src/com/android/settings/password/PasswordUtils.java
+++ b/src/com/android/settings/password/PasswordUtils.java
@@ -18,7 +18,6 @@
 
 import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
 
-import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.app.IActivityManager;
 import android.content.Context;
@@ -33,6 +32,8 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 import com.android.settings.Utils;
 
diff --git a/src/com/android/settings/password/SetNewPasswordController.java b/src/com/android/settings/password/SetNewPasswordController.java
index ef8a15a..aa8fe51 100644
--- a/src/com/android/settings/password/SetNewPasswordController.java
+++ b/src/com/android/settings/password/SetNewPasswordController.java
@@ -22,7 +22,6 @@
 
 import static com.android.internal.util.Preconditions.checkNotNull;
 
-import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
@@ -34,6 +33,7 @@
 import android.os.IBinder;
 import android.os.UserManager;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.Utils;
diff --git a/src/com/android/settings/print/SettingsPrintServicesLoader.java b/src/com/android/settings/print/SettingsPrintServicesLoader.java
index e94c589..5956d89 100644
--- a/src/com/android/settings/print/SettingsPrintServicesLoader.java
+++ b/src/com/android/settings/print/SettingsPrintServicesLoader.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.print;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.print.PrintManager;
 import android.print.PrintServicesLoader;
 import android.printservice.PrintServiceInfo;
 
+import androidx.annotation.NonNull;
 import androidx.loader.content.Loader;
 
 import com.android.internal.util.Preconditions;
diff --git a/src/com/android/settings/privacy/EnableContentCapturePreferenceController.java b/src/com/android/settings/privacy/EnableContentCapturePreferenceController.java
index 5377f15..c3830c1 100644
--- a/src/com/android/settings/privacy/EnableContentCapturePreferenceController.java
+++ b/src/com/android/settings/privacy/EnableContentCapturePreferenceController.java
@@ -16,11 +16,12 @@
 
 package com.android.settings.privacy;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settings.utils.ContentCaptureUtils;
diff --git a/src/com/android/settings/privacy/EnableContentCaptureWithServiceSettingsPreferenceController.java b/src/com/android/settings/privacy/EnableContentCaptureWithServiceSettingsPreferenceController.java
index fcb2347..c8a5471 100644
--- a/src/com/android/settings/privacy/EnableContentCaptureWithServiceSettingsPreferenceController.java
+++ b/src/com/android/settings/privacy/EnableContentCaptureWithServiceSettingsPreferenceController.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.privacy;
 
-import android.annotation.NonNull;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -26,6 +25,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.preference.Preference;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/privacy/PrivacyHubPreferenceController.java b/src/com/android/settings/privacy/PrivacyHubPreferenceController.java
index 0de4f06..b68b5ec 100644
--- a/src/com/android/settings/privacy/PrivacyHubPreferenceController.java
+++ b/src/com/android/settings/privacy/PrivacyHubPreferenceController.java
@@ -16,10 +16,11 @@
 
 package com.android.settings.privacy;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.provider.DeviceConfig;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.core.BasePreferenceController;
 
 /**
diff --git a/src/com/android/settings/privacy/TopLevelPrivacyEntryPreferenceController.java b/src/com/android/settings/privacy/TopLevelPrivacyEntryPreferenceController.java
index b553239..8014104 100644
--- a/src/com/android/settings/privacy/TopLevelPrivacyEntryPreferenceController.java
+++ b/src/com/android/settings/privacy/TopLevelPrivacyEntryPreferenceController.java
@@ -16,9 +16,10 @@
 
 package com.android.settings.privacy;
 
-import android.annotation.NonNull;
 import android.content.Context;
 
+import androidx.annotation.NonNull;
+
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.safetycenter.SafetyCenterManagerWrapper;
 
diff --git a/src/com/android/settings/search/SearchFeatureProvider.java b/src/com/android/settings/search/SearchFeatureProvider.java
index 9262ba8..0741ce4 100644
--- a/src/com/android/settings/search/SearchFeatureProvider.java
+++ b/src/com/android/settings/search/SearchFeatureProvider.java
@@ -18,7 +18,6 @@
 
 import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_NO;
 
-import android.annotation.NonNull;
 import android.app.ActivityOptions;
 import android.content.ComponentName;
 import android.content.Context;
@@ -30,6 +29,7 @@
 import android.view.ViewGroup;
 import android.widget.Toolbar;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.FragmentActivity;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/search/actionbar/SearchMenuController.java b/src/com/android/settings/search/actionbar/SearchMenuController.java
index 453832d..7449421 100644
--- a/src/com/android/settings/search/actionbar/SearchMenuController.java
+++ b/src/com/android/settings/search/actionbar/SearchMenuController.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.search.actionbar;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.app.settings.SettingsEnums;
 import android.content.Intent;
@@ -26,6 +25,7 @@
 import android.view.MenuInflater;
 import android.view.MenuItem;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/security/InstallCaCertificateWarning.java b/src/com/android/settings/security/InstallCaCertificateWarning.java
index 7775f83..3335fe6 100644
--- a/src/com/android/settings/security/InstallCaCertificateWarning.java
+++ b/src/com/android/settings/security/InstallCaCertificateWarning.java
@@ -18,7 +18,6 @@
 
 import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
@@ -26,6 +25,8 @@
 import android.view.View;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 import com.android.settings.SetupWizardUtils;
 
diff --git a/src/com/android/settings/security/RequestManageCredentials.java b/src/com/android/settings/security/RequestManageCredentials.java
index 6a1d40a..2c1b452 100644
--- a/src/com/android/settings/security/RequestManageCredentials.java
+++ b/src/com/android/settings/security/RequestManageCredentials.java
@@ -18,7 +18,6 @@
 
 import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.admin.DevicePolicyEventLogger;
 import android.app.admin.DevicePolicyManager;
@@ -47,6 +46,7 @@
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
diff --git a/src/com/android/settings/slices/SliceBackgroundWorker.java b/src/com/android/settings/slices/SliceBackgroundWorker.java
index 5145f18..1cf00de 100644
--- a/src/com/android/settings/slices/SliceBackgroundWorker.java
+++ b/src/com/android/settings/slices/SliceBackgroundWorker.java
@@ -17,7 +17,6 @@
 package com.android.settings.slices;
 
 import android.annotation.MainThread;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.net.Uri;
 import android.os.Handler;
@@ -29,6 +28,7 @@
 import android.util.ArrayMap;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import java.io.Closeable;
diff --git a/src/com/android/settings/sound/AudioSwitchPreferenceController.java b/src/com/android/settings/sound/AudioSwitchPreferenceController.java
index b570b2d..b785210 100644
--- a/src/com/android/settings/sound/AudioSwitchPreferenceController.java
+++ b/src/com/android/settings/sound/AudioSwitchPreferenceController.java
@@ -20,7 +20,6 @@
 
 import static com.android.settingslib.media.flags.Flags.enableOutputSwitcherForSystemRouting;
 
-import android.annotation.Nullable;
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -38,6 +37,7 @@
 import android.util.FeatureFlagUtils;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
 import androidx.preference.ListPreference;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
diff --git a/src/com/android/settings/sound/MediaOutputPreferenceController.java b/src/com/android/settings/sound/MediaOutputPreferenceController.java
index 47be7fe..c85789d 100644
--- a/src/com/android/settings/sound/MediaOutputPreferenceController.java
+++ b/src/com/android/settings/sound/MediaOutputPreferenceController.java
@@ -18,7 +18,6 @@
 
 import static com.android.settingslib.media.flags.Flags.enableOutputSwitcherForSystemRouting;
 
-import android.annotation.Nullable;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.content.Intent;
@@ -27,6 +26,7 @@
 import android.media.session.MediaSessionManager;
 import android.text.TextUtils;
 
+import androidx.annotation.Nullable;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/support/actionbar/HelpMenuController.java b/src/com/android/settings/support/actionbar/HelpMenuController.java
index 498cc3e..7e1f460 100644
--- a/src/com/android/settings/support/actionbar/HelpMenuController.java
+++ b/src/com/android/settings/support/actionbar/HelpMenuController.java
@@ -18,12 +18,12 @@
 
 import static com.android.settings.support.actionbar.HelpResourceProvider.HELP_URI_RESOURCE_KEY;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuInflater;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 
 import com.android.settingslib.HelpUtils;
diff --git a/src/com/android/settings/utils/ContentCaptureUtils.java b/src/com/android/settings/utils/ContentCaptureUtils.java
index b01749f..2445e87 100644
--- a/src/com/android/settings/utils/ContentCaptureUtils.java
+++ b/src/com/android/settings/utils/ContentCaptureUtils.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.utils;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.ComponentName;
 import android.content.Context;
 import android.os.IBinder;
@@ -27,6 +25,9 @@
 import android.util.Log;
 import android.view.contentcapture.ContentCaptureManager;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 public final class ContentCaptureUtils {
 
     private static final String TAG = ContentCaptureUtils.class.getSimpleName();
diff --git a/src/com/android/settings/utils/FileSizeFormatter.java b/src/com/android/settings/utils/FileSizeFormatter.java
index 9ef0fe2..5950d5d 100644
--- a/src/com/android/settings/utils/FileSizeFormatter.java
+++ b/src/com/android/settings/utils/FileSizeFormatter.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.utils;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.icu.text.DecimalFormat;
 import android.icu.text.MeasureFormat;
@@ -28,6 +26,9 @@
 import android.text.TextUtils;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import java.math.BigDecimal;
 import java.util.Locale;
 
diff --git a/src/com/android/settings/utils/ManagedServiceSettings.java b/src/com/android/settings/utils/ManagedServiceSettings.java
index 4ee229e..d5f0040 100644
--- a/src/com/android/settings/utils/ManagedServiceSettings.java
+++ b/src/com/android/settings/utils/ManagedServiceSettings.java
@@ -18,7 +18,6 @@
 
 import static android.app.admin.DevicePolicyResources.Strings.Settings.WORK_PROFILE_NOTIFICATION_LISTENER_BLOCKED;
 
-import android.annotation.Nullable;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
@@ -34,6 +33,7 @@
 import android.util.Log;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceScreen;
diff --git a/src/com/android/settings/vpn2/AppManagementFragment.java b/src/com/android/settings/vpn2/AppManagementFragment.java
index 1d5b3cc..00c8f59 100644
--- a/src/com/android/settings/vpn2/AppManagementFragment.java
+++ b/src/com/android/settings/vpn2/AppManagementFragment.java
@@ -18,7 +18,6 @@
 import static android.app.AppOpsManager.OP_ACTIVATE_PLATFORM_VPN;
 import static android.app.AppOpsManager.OP_ACTIVATE_VPN;
 
-import android.annotation.NonNull;
 import android.app.AppOpsManager;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
@@ -35,6 +34,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.DialogFragment;
diff --git a/src/com/android/settings/vpn2/AppVpnInfo.java b/src/com/android/settings/vpn2/AppVpnInfo.java
index f225470..be938a6 100644
--- a/src/com/android/settings/vpn2/AppVpnInfo.java
+++ b/src/com/android/settings/vpn2/AppVpnInfo.java
@@ -1,6 +1,6 @@
 package com.android.settings.vpn2;
 
-import android.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.util.Preconditions;
 
diff --git a/src/com/android/settings/widget/BottomLabelLayout.java b/src/com/android/settings/widget/BottomLabelLayout.java
index a267de0..64f27aa 100644
--- a/src/com/android/settings/widget/BottomLabelLayout.java
+++ b/src/com/android/settings/widget/BottomLabelLayout.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.widget;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.View;
 import android.widget.LinearLayout;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 /**
diff --git a/src/com/android/settings/widget/EmptyTextSettings.java b/src/com/android/settings/widget/EmptyTextSettings.java
index a6e5c60..ddd1370 100644
--- a/src/com/android/settings/widget/EmptyTextSettings.java
+++ b/src/com/android/settings/widget/EmptyTextSettings.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.widget;
 
-import android.annotation.Nullable;
 import android.os.Bundle;
 import android.util.TypedValue;
 import android.view.Gravity;
@@ -25,6 +24,8 @@
 import android.view.ViewGroup.LayoutParams;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 
diff --git a/src/com/android/settings/widget/MatchParentShrinkingLinearLayout.java b/src/com/android/settings/widget/MatchParentShrinkingLinearLayout.java
index 271378a..3fee01f 100644
--- a/src/com/android/settings/widget/MatchParentShrinkingLinearLayout.java
+++ b/src/com/android/settings/widget/MatchParentShrinkingLinearLayout.java
@@ -17,8 +17,6 @@
 package com.android.settings.widget;
 
 import android.annotation.IntDef;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
@@ -30,6 +28,9 @@
 import android.view.ViewGroup;
 import android.view.ViewHierarchyEncoder;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.internal.R;
 
 import java.lang.annotation.Retention;
diff --git a/src/com/android/settings/widget/TintDrawable.java b/src/com/android/settings/widget/TintDrawable.java
index 13eb121..7b34890 100644
--- a/src/com/android/settings/widget/TintDrawable.java
+++ b/src/com/android/settings/widget/TintDrawable.java
@@ -16,15 +16,16 @@
 
 package com.android.settings.widget;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
+
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
 import android.graphics.drawable.DrawableWrapper;
 import android.util.AttributeSet;
-import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.settings.R;
 
diff --git a/src/com/android/settings/widget/UsageGraph.java b/src/com/android/settings/widget/UsageGraph.java
index 78dcd7a..c92ea1b 100644
--- a/src/com/android/settings/widget/UsageGraph.java
+++ b/src/com/android/settings/widget/UsageGraph.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.widget;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Canvas;
@@ -35,6 +34,7 @@
 import android.util.TypedValue;
 import android.view.View;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
diff --git a/src/com/android/settings/wifi/ConfigureWifiSettings.java b/src/com/android/settings/wifi/ConfigureWifiSettings.java
index 33f2827..2b3bedb 100644
--- a/src/com/android/settings/wifi/ConfigureWifiSettings.java
+++ b/src/com/android/settings/wifi/ConfigureWifiSettings.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.wifi;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.content.ComponentName;
 import android.content.Context;
@@ -28,6 +27,7 @@
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
diff --git a/src/com/android/settings/wifi/WifiEntryPreference.java b/src/com/android/settings/wifi/WifiEntryPreference.java
index e1add15..e5290f4 100644
--- a/src/com/android/settings/wifi/WifiEntryPreference.java
+++ b/src/com/android/settings/wifi/WifiEntryPreference.java
@@ -17,7 +17,6 @@
 
 import static com.android.settingslib.wifi.WifiUtils.getHotspotIconResource;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -31,6 +30,7 @@
 
 import androidx.annotation.DrawableRes;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.PreferenceViewHolder;
 
diff --git a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
index 215c6b0..210e94c 100644
--- a/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
+++ b/src/com/android/settings/wifi/dpp/WifiDppQrCodeGeneratorFragment.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.wifi.dpp;
 
-import android.annotation.Nullable;
 import android.app.settings.SettingsEnums;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -40,6 +39,8 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.chooser.DisplayResolveInfo;
 import com.android.internal.app.chooser.TargetInfo;
diff --git a/src/com/android/settings/wifi/factory/WifiFeatureProvider.java b/src/com/android/settings/wifi/factory/WifiFeatureProvider.java
index 9e7365e..5ab899a 100644
--- a/src/com/android/settings/wifi/factory/WifiFeatureProvider.java
+++ b/src/com/android/settings/wifi/factory/WifiFeatureProvider.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.wifi.factory;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.net.TetheringManager;
 import android.net.wifi.WifiManager;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.lifecycle.ViewModelStoreOwner;
 
diff --git a/src/com/android/settings/wifi/factory/WifiVerboseLogging.java b/src/com/android/settings/wifi/factory/WifiVerboseLogging.java
index 2935ed4..0be3bc0 100644
--- a/src/com/android/settings/wifi/factory/WifiVerboseLogging.java
+++ b/src/com/android/settings/wifi/factory/WifiVerboseLogging.java
@@ -16,12 +16,12 @@
 
 package com.android.settings.wifi.factory;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.net.wifi.WifiManager;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 /**
  * Wi-Fi Verbose Logging
diff --git a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
index 908ccdc..0baac2c 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
@@ -21,13 +21,13 @@
 
 import static com.android.settings.wifi.WifiUtils.canShowWifiHotspot;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.net.wifi.SoftApConfiguration;
 import android.net.wifi.WifiClient;
 import android.net.wifi.WifiManager;
 import android.text.BidiFormatter;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.PreferenceScreen;
 
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
index 41b6dd9..6f59411 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
@@ -16,13 +16,13 @@
 
 package com.android.settings.wifi.tether;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.net.wifi.SoftApCapability;
 import android.net.wifi.SoftApConfiguration;
 import android.net.wifi.WifiManager;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.ListPreference;
 import androidx.preference.Preference;
diff --git a/tests/robotests/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragmentTest.java b/tests/robotests/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragmentTest.java
index 8cdb17e..42e5ef6 100644
--- a/tests/robotests/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragmentTest.java
@@ -24,7 +24,6 @@
 import static org.mockito.Mockito.when;
 
 import android.accessibilityservice.AccessibilityServiceInfo;
-import android.annotation.NonNull;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -40,6 +39,7 @@
 import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.Flags;
 
+import androidx.annotation.NonNull;
 import androidx.preference.PreferenceManager;
 import androidx.preference.PreferenceScreen;
 import androidx.test.core.app.ApplicationProvider;
diff --git a/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollFindSensorTest.java b/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollFindSensorTest.java
index adf76f4..4d13bb6 100644
--- a/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollFindSensorTest.java
+++ b/tests/robotests/src/com/android/settings/biometrics/fingerprint/FingerprintEnrollFindSensorTest.java
@@ -36,7 +36,6 @@
 import static org.mockito.Mockito.verify;
 import static org.robolectric.RuntimeEnvironment.application;
 
-import android.annotation.NonNull;
 import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -52,6 +51,7 @@
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 
 import com.android.settings.R;
diff --git a/tests/robotests/src/com/android/settings/homepage/contextualcards/ContextualCardFeatureProviderImplTest.java b/tests/robotests/src/com/android/settings/homepage/contextualcards/ContextualCardFeatureProviderImplTest.java
index 5dfe8b9..8a10bd9 100644
--- a/tests/robotests/src/com/android/settings/homepage/contextualcards/ContextualCardFeatureProviderImplTest.java
+++ b/tests/robotests/src/com/android/settings/homepage/contextualcards/ContextualCardFeatureProviderImplTest.java
@@ -18,12 +18,12 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.annotation.Nullable;
 import android.content.ContentValues;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 
+import androidx.annotation.Nullable;
 import androidx.slice.SliceProvider;
 import androidx.slice.widget.SliceLiveData;
 
diff --git a/tests/robotests/src/com/android/settings/notification/NotificationAccessConfirmationActivityTest.java b/tests/robotests/src/com/android/settings/notification/NotificationAccessConfirmationActivityTest.java
index 86631ff..9b510fb 100644
--- a/tests/robotests/src/com/android/settings/notification/NotificationAccessConfirmationActivityTest.java
+++ b/tests/robotests/src/com/android/settings/notification/NotificationAccessConfirmationActivityTest.java
@@ -22,7 +22,6 @@
 
 import static org.robolectric.Shadows.shadowOf;
 
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -30,6 +29,8 @@
 import android.content.pm.PackageInfo;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
+
 import com.android.settings.R;
 
 import com.google.common.base.Strings;
diff --git a/tests/robotests/src/com/android/settings/slices/SlicePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/slices/SlicePreferenceControllerTest.java
index 56ea33c..c6978b1 100644
--- a/tests/robotests/src/com/android/settings/slices/SlicePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SlicePreferenceControllerTest.java
@@ -21,10 +21,10 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
-import android.annotation.NonNull;
 import android.content.Context;
 import android.net.Uri;
 
+import androidx.annotation.NonNull;
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.Observer;
 import androidx.slice.Slice;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowAccountManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowAccountManager.java
index 409c261..dae17bc 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowAccountManager.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowAccountManager.java
@@ -19,7 +19,8 @@
 import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.accounts.AuthenticatorDescription;
-import android.annotation.NonNull;
+
+import androidx.annotation.NonNull;
 
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowApplicationPackageManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowApplicationPackageManager.java
index e6b0307..6408d46 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowApplicationPackageManager.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowApplicationPackageManager.java
@@ -16,11 +16,12 @@
 
 package com.android.settings.testutils.shadow;
 
-import android.annotation.NonNull;
 import android.app.ApplicationPackageManager;
 import android.content.pm.PackageInfo;
 import android.os.IRemoteCallback;
 
+import androidx.annotation.NonNull;
+
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCrossProfileApps.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCrossProfileApps.java
index 38e8218..64a5f11 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCrossProfileApps.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowCrossProfileApps.java
@@ -17,13 +17,14 @@
 package com.android.settings.testutils.shadow;
 
 import android.Manifest;
-import android.annotation.NonNull;
 import android.content.Context;
 import android.content.pm.CrossProfileApps;
 import android.content.pm.ICrossProfileApps;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 
+import androidx.annotation.NonNull;
+
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowDevicePolicyManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowDevicePolicyManager.java
index 867a306..354352e 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowDevicePolicyManager.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowDevicePolicyManager.java
@@ -21,8 +21,6 @@
 import static android.os.Build.VERSION_CODES.O;
 import static android.os.Build.VERSION_CODES.Q;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.annotation.UserIdInt;
 import android.app.admin.DevicePolicyManager;
 import android.app.admin.DevicePolicyManager.DeviceOwnerType;
@@ -33,6 +31,8 @@
 import android.content.ComponentName;
 import android.content.Context;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.test.core.app.ApplicationProvider;
 
 import org.robolectric.annotation.Implementation;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowStorageManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowStorageManager.java
index fce0498..d45c2ca 100644
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowStorageManager.java
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowStorageManager.java
@@ -16,12 +16,13 @@
 
 package com.android.settings.testutils.shadow;
 
-import android.annotation.NonNull;
 import android.os.storage.DiskInfo;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
 
+import androidx.annotation.NonNull;
+
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 import org.robolectric.annotation.Resetter;
diff --git a/tests/robotests/src/com/android/settings/wallpaper/FallbackHomeActivityTest.java b/tests/robotests/src/com/android/settings/wallpaper/FallbackHomeActivityTest.java
index 0a59033..0c2583f 100644
--- a/tests/robotests/src/com/android/settings/wallpaper/FallbackHomeActivityTest.java
+++ b/tests/robotests/src/com/android/settings/wallpaper/FallbackHomeActivityTest.java
@@ -18,8 +18,6 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.app.Application;
 import android.app.WallpaperColors;
 import android.app.WallpaperManager;
@@ -27,6 +25,9 @@
 import android.content.Context;
 import android.os.Handler;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.settings.FallbackHome;
 
 import org.junit.Before;
@@ -43,10 +44,10 @@
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 import org.robolectric.shadow.api.Shadow;
+import org.robolectric.shadows.ShadowApplication;
 
 import java.util.ArrayList;
 import java.util.List;
-import org.robolectric.shadows.ShadowApplication;
 
 @RunWith(RobolectricTestRunner.class)
 public class FallbackHomeActivityTest {
diff --git a/tests/robotests/src/com/android/settings/wifi/ConfigureWifiSettingsTest.java b/tests/robotests/src/com/android/settings/wifi/ConfigureWifiSettingsTest.java
index 5bacfab..14227ad 100644
--- a/tests/robotests/src/com/android/settings/wifi/ConfigureWifiSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/ConfigureWifiSettingsTest.java
@@ -12,7 +12,6 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.annotation.Nullable;
 import android.content.Context;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
@@ -20,6 +19,7 @@
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
diff --git a/tests/robotests/src/com/android/settings/wifi/addappnetworks/AddAppNetworksActivityTest.java b/tests/robotests/src/com/android/settings/wifi/addappnetworks/AddAppNetworksActivityTest.java
index dccd023..2c4bf9f 100644
--- a/tests/robotests/src/com/android/settings/wifi/addappnetworks/AddAppNetworksActivityTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/addappnetworks/AddAppNetworksActivityTest.java
@@ -22,12 +22,12 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
-import android.annotation.Nullable;
 import android.app.IActivityManager;
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.UserManager;
 
+import androidx.annotation.Nullable;
 import androidx.test.core.app.ApplicationProvider;
 
 import org.junit.Before;
diff --git a/tests/robotests/testutils/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java b/tests/robotests/testutils/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java
index d0bb2bf..0474f52 100644
--- a/tests/robotests/testutils/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java
+++ b/tests/robotests/testutils/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.testutils.shadow;
 
-import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.app.admin.DevicePolicyManager;
 import android.app.admin.PasswordMetrics;
 import android.content.ComponentName;
@@ -25,6 +23,9 @@
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.LockscreenCredential;
 
diff --git a/tests/unit/src/com/android/settings/biometrics/GatekeeperPasswordProviderTest.java b/tests/unit/src/com/android/settings/biometrics/GatekeeperPasswordProviderTest.java
index ab7a5af..40a01f8 100644
--- a/tests/unit/src/com/android/settings/biometrics/GatekeeperPasswordProviderTest.java
+++ b/tests/unit/src/com/android/settings/biometrics/GatekeeperPasswordProviderTest.java
@@ -29,9 +29,9 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.annotation.NonNull;
 import android.content.Intent;
 
+import androidx.annotation.NonNull;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
 import com.android.internal.widget.LockPatternUtils;
diff --git a/tests/unit/src/com/android/settings/wifi/RequestToggleWiFiActivityTest.java b/tests/unit/src/com/android/settings/wifi/RequestToggleWiFiActivityTest.java
index 0e3dd40..3d2d9a8 100644
--- a/tests/unit/src/com/android/settings/wifi/RequestToggleWiFiActivityTest.java
+++ b/tests/unit/src/com/android/settings/wifi/RequestToggleWiFiActivityTest.java
@@ -21,13 +21,13 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 
-import android.annotation.Nullable;
 import android.app.IActivityManager;
 import android.content.Context;
 import android.content.Intent;
 import android.net.wifi.WifiManager;
 import android.os.RemoteException;
 
+import androidx.annotation.Nullable;
 import androidx.test.core.app.ActivityScenario;
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;