diff --git a/src/com/android/contacts/ContactPhotoManager.java b/src/com/android/contacts/ContactPhotoManager.java
index fdcc9b3..e5f808d 100644
--- a/src/com/android/contacts/ContactPhotoManager.java
+++ b/src/com/android/contacts/ContactPhotoManager.java
@@ -46,8 +46,8 @@
 import android.provider.ContactsContract.Contacts.Photo;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.Directory;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
+import androidx.core.graphics.drawable.RoundedBitmapDrawable;
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.LruCache;
diff --git a/src/com/android/contacts/ContactSaveService.java b/src/com/android/contacts/ContactSaveService.java
index 4e2d178..d0be7d8 100755
--- a/src/com/android/contacts/ContactSaveService.java
+++ b/src/com/android/contacts/ContactSaveService.java
@@ -47,7 +47,7 @@
 import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.RawContacts;
 import android.provider.ContactsContract.RawContactsEntity;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.support.v4.os.ResultReceiver;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/src/com/android/contacts/ContactsUtils.java b/src/com/android/contacts/ContactsUtils.java
index 4fd9cc1..69a8243 100644
--- a/src/com/android/contacts/ContactsUtils.java
+++ b/src/com/android/contacts/ContactsUtils.java
@@ -23,7 +23,7 @@
 import android.os.Build;
 import android.provider.ContactsContract.CommonDataKinds.Im;
 import android.provider.ContactsContract.DisplayPhoto;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.text.TextUtils;
 import android.util.Pair;
 
diff --git a/src/com/android/contacts/DynamicShortcuts.java b/src/com/android/contacts/DynamicShortcuts.java
index ac950d9..8130776 100644
--- a/src/com/android/contacts/DynamicShortcuts.java
+++ b/src/com/android/contacts/DynamicShortcuts.java
@@ -45,9 +45,9 @@
 import android.os.PersistableBundle;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.Contacts;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v4.os.BuildCompat;
+import androidx.annotation.VisibleForTesting;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.core.os.BuildCompat;
 import android.util.Log;
 
 import com.android.contacts.activities.RequestPermissionsActivity;
diff --git a/src/com/android/contacts/ShortcutIntentBuilder.java b/src/com/android/contacts/ShortcutIntentBuilder.java
index 5f480c6..5ea6b7e 100644
--- a/src/com/android/contacts/ShortcutIntentBuilder.java
+++ b/src/com/android/contacts/ShortcutIntentBuilder.java
@@ -40,10 +40,10 @@
 import android.provider.ContactsContract.CommonDataKinds.Photo;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Data;
-import android.support.v4.graphics.drawable.IconCompat;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
-import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
-import android.support.v4.os.BuildCompat;
+import androidx.core.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.RoundedBitmapDrawable;
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
+import androidx.core.os.BuildCompat;
 import android.telecom.PhoneAccount;
 import android.text.TextPaint;
 import android.text.TextUtils;
diff --git a/src/com/android/contacts/SimImportFragment.java b/src/com/android/contacts/SimImportFragment.java
index 9393e1a..0a3c7f9 100644
--- a/src/com/android/contacts/SimImportFragment.java
+++ b/src/com/android/contacts/SimImportFragment.java
@@ -23,14 +23,14 @@
 import android.content.IntentFilter;
 import android.content.Loader;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.support.design.widget.Snackbar;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v4.util.ArrayMap;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.widget.ContentLoadingProgressBar;
-import android.support.v7.widget.Toolbar;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.collection.ArrayMap;
+import androidx.core.view.ViewCompat;
+import androidx.core.widget.ContentLoadingProgressBar;
+import androidx.appcompat.widget.Toolbar;
 import android.util.SparseBooleanArray;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/contacts/SimImportService.java b/src/com/android/contacts/SimImportService.java
index 1e41af0..4c74731 100644
--- a/src/com/android/contacts/SimImportService.java
+++ b/src/com/android/contacts/SimImportService.java
@@ -25,9 +25,9 @@
 import android.os.AsyncTask;
 import android.os.IBinder;
 import android.os.RemoteException;
-import android.support.annotation.Nullable;
-import android.support.v4.app.NotificationCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.Nullable;
+import androidx.core.app.NotificationCompat;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.TimingLogger;
 
 import com.android.contacts.activities.PeopleActivity;
diff --git a/src/com/android/contacts/activities/ActionBarAdapter.java b/src/com/android/contacts/activities/ActionBarAdapter.java
index 27bcc7a..e6f29a4 100644
--- a/src/com/android/contacts/activities/ActionBarAdapter.java
+++ b/src/com/android/contacts/activities/ActionBarAdapter.java
@@ -22,9 +22,9 @@
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.os.Bundle;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.ActionBar;
-import android.support.v7.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.widget.Toolbar;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
diff --git a/src/com/android/contacts/activities/AppCompatTransactionSafeActivity.java b/src/com/android/contacts/activities/AppCompatTransactionSafeActivity.java
index c638e26..f324193 100644
--- a/src/com/android/contacts/activities/AppCompatTransactionSafeActivity.java
+++ b/src/com/android/contacts/activities/AppCompatTransactionSafeActivity.java
@@ -17,7 +17,7 @@
 package com.android.contacts.activities;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 
 /**
  * A common superclass that keeps track of whether an {@link AppCompatActivity} has saved its state
diff --git a/src/com/android/contacts/activities/ContactEditorActivity.java b/src/com/android/contacts/activities/ContactEditorActivity.java
index ec49d48..2108ba9 100644
--- a/src/com/android/contacts/activities/ContactEditorActivity.java
+++ b/src/com/android/contacts/activities/ContactEditorActivity.java
@@ -24,7 +24,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.ContactsContract.QuickContact;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.util.Log;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
diff --git a/src/com/android/contacts/activities/ContactSelectionActivity.java b/src/com/android/contacts/activities/ContactSelectionActivity.java
index eaa89a1..57669fa 100644
--- a/src/com/android/contacts/activities/ContactSelectionActivity.java
+++ b/src/com/android/contacts/activities/ContactSelectionActivity.java
@@ -24,8 +24,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.ContactsContract.Contacts;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;
diff --git a/src/com/android/contacts/activities/LicenseActivity.java b/src/com/android/contacts/activities/LicenseActivity.java
index 4ccaa93..e279a91 100644
--- a/src/com/android/contacts/activities/LicenseActivity.java
+++ b/src/com/android/contacts/activities/LicenseActivity.java
@@ -16,8 +16,8 @@
 package com.android.contacts.activities;
 
 import android.os.Bundle;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.MenuItem;
 import android.webkit.WebView;
 
diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index 5a38043..05df4cf 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -35,17 +35,17 @@
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.Intents;
 import android.provider.ContactsContract.ProviderStatus;
-import android.support.annotation.LayoutRes;
-import android.support.design.widget.CoordinatorLayout;
+import androidx.annotation.LayoutRes;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import android.support.design.widget.Snackbar;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v4.view.GravityCompat;
-import android.support.v4.widget.DrawerLayout;
-import android.support.v4.widget.SwipeRefreshLayout;
-import android.support.v7.app.ActionBarDrawerToggle;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import androidx.core.content.ContextCompat;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.core.view.GravityCompat;
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
 import android.util.Log;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
diff --git a/src/com/android/contacts/activities/RequestPermissionsActivity.java b/src/com/android/contacts/activities/RequestPermissionsActivity.java
index bcfa128..e086cea 100644
--- a/src/com/android/contacts/activities/RequestPermissionsActivity.java
+++ b/src/com/android/contacts/activities/RequestPermissionsActivity.java
@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.widget.Toast;
 
 import com.android.contacts.R;
diff --git a/src/com/android/contacts/activities/RequestPermissionsActivityBase.java b/src/com/android/contacts/activities/RequestPermissionsActivityBase.java
index 1c11905..9c3d8e1 100644
--- a/src/com/android/contacts/activities/RequestPermissionsActivityBase.java
+++ b/src/com/android/contacts/activities/RequestPermissionsActivityBase.java
@@ -22,7 +22,7 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.Trace;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
 
 import com.android.contacts.model.AccountTypeManager;
 import com.android.contacts.util.PermissionsUtil;
diff --git a/src/com/android/contacts/compat/CompatUtils.java b/src/com/android/contacts/compat/CompatUtils.java
index 10b627b..086a64a 100644
--- a/src/com/android/contacts/compat/CompatUtils.java
+++ b/src/com/android/contacts/compat/CompatUtils.java
@@ -17,7 +17,7 @@
 
 import android.os.Build;
 import android.os.Build.VERSION;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/contacts/compat/EdgeEffectCompat.java b/src/com/android/contacts/compat/EdgeEffectCompat.java
index b93ff90..84a5c26 100644
--- a/src/com/android/contacts/compat/EdgeEffectCompat.java
+++ b/src/com/android/contacts/compat/EdgeEffectCompat.java
@@ -20,7 +20,7 @@
 
 /**
  * Compatibility class for {@link android.widget.EdgeEffect}
- * The android.support.v4.widget.EdgeEffectCompat doesn't support customized color, so we write
+ * The androidx.core.widget.EdgeEffectCompat doesn't support customized color, so we write
  * our own and keep using EdgeEffect to customize color.
  */
 public class EdgeEffectCompat {
diff --git a/src/com/android/contacts/compat/PhoneAccountCompat.java b/src/com/android/contacts/compat/PhoneAccountCompat.java
index 5c396f5..2e2f8a9 100644
--- a/src/com/android/contacts/compat/PhoneAccountCompat.java
+++ b/src/com/android/contacts/compat/PhoneAccountCompat.java
@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.telecom.PhoneAccount;
 import android.util.Log;
 
diff --git a/src/com/android/contacts/compat/TelephonyManagerCompat.java b/src/com/android/contacts/compat/TelephonyManagerCompat.java
index 07523b1..a8b0226 100644
--- a/src/com/android/contacts/compat/TelephonyManagerCompat.java
+++ b/src/com/android/contacts/compat/TelephonyManagerCompat.java
@@ -17,7 +17,7 @@
 package com.android.contacts.compat;
 
 import android.net.Uri;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.telecom.PhoneAccountHandle;
 import android.telephony.TelephonyManager;
 
diff --git a/src/com/android/contacts/compat/telecom/TelecomManagerCompat.java b/src/com/android/contacts/compat/telecom/TelecomManagerCompat.java
index 881c1a4..aa990ad 100644
--- a/src/com/android/contacts/compat/telecom/TelecomManagerCompat.java
+++ b/src/com/android/contacts/compat/telecom/TelecomManagerCompat.java
@@ -17,7 +17,7 @@
 
 import android.app.Activity;
 import android.content.Intent;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.telecom.TelecomManager;
 
 import com.android.contacts.compat.CompatUtils;
diff --git a/src/com/android/contacts/database/SimContactDao.java b/src/com/android/contacts/database/SimContactDao.java
index d6ed88d..430f423 100644
--- a/src/com/android/contacts/database/SimContactDao.java
+++ b/src/com/android/contacts/database/SimContactDao.java
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.OperationApplicationException;
 import android.os.RemoteException;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.contacts.model.SimCard;
 import com.android.contacts.model.SimContact;
diff --git a/src/com/android/contacts/database/SimContactDaoImpl.java b/src/com/android/contacts/database/SimContactDaoImpl.java
index be6b323..5ba6bd5 100644
--- a/src/com/android/contacts/database/SimContactDaoImpl.java
+++ b/src/com/android/contacts/database/SimContactDaoImpl.java
@@ -32,8 +32,8 @@
 import android.provider.ContactsContract.CommonDataKinds.StructuredName;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.RawContacts;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.util.ArrayMap;
+import androidx.annotation.VisibleForTesting;
+import androidx.collection.ArrayMap;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/contacts/drawer/DrawerAdapter.java b/src/com/android/contacts/drawer/DrawerAdapter.java
index 9ff2139..0c8423a 100644
--- a/src/com/android/contacts/drawer/DrawerAdapter.java
+++ b/src/com/android/contacts/drawer/DrawerAdapter.java
@@ -18,7 +18,7 @@
 
 import android.app.Activity;
 import android.graphics.PorterDuff;
-import android.support.annotation.LayoutRes;
+import androidx.annotation.LayoutRes;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
diff --git a/src/com/android/contacts/editor/AccountHeaderPresenter.java b/src/com/android/contacts/editor/AccountHeaderPresenter.java
index 4e4f35a..190d401 100644
--- a/src/com/android/contacts/editor/AccountHeaderPresenter.java
+++ b/src/com/android/contacts/editor/AccountHeaderPresenter.java
@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.StringRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ImageView;
diff --git a/src/com/android/contacts/editor/CancelEditDialogFragment.java b/src/com/android/contacts/editor/CancelEditDialogFragment.java
index 48cedff..7f39857 100644
--- a/src/com/android/contacts/editor/CancelEditDialogFragment.java
+++ b/src/com/android/contacts/editor/CancelEditDialogFragment.java
@@ -20,7 +20,7 @@
 import android.app.DialogFragment;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 
 import com.android.contacts.R;
 
diff --git a/src/com/android/contacts/editor/ContactEditorFragment.java b/src/com/android/contacts/editor/ContactEditorFragment.java
index 2abd509..dfa0eeb 100755
--- a/src/com/android/contacts/editor/ContactEditorFragment.java
+++ b/src/com/android/contacts/editor/ContactEditorFragment.java
@@ -41,7 +41,7 @@
 import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
 import android.provider.ContactsContract.Intents;
 import android.provider.ContactsContract.RawContacts;
-import android.support.v7.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/src/com/android/contacts/editor/EditorUiUtils.java b/src/com/android/contacts/editor/EditorUiUtils.java
index 9aa5c8e..35f107e 100644
--- a/src/com/android/contacts/editor/EditorUiUtils.java
+++ b/src/com/android/contacts/editor/EditorUiUtils.java
@@ -40,7 +40,7 @@
 import android.provider.ContactsContract.CommonDataKinds.SipAddress;
 import android.provider.ContactsContract.CommonDataKinds.StructuredPostal;
 import android.provider.ContactsContract.CommonDataKinds.Website;
-import android.support.v4.content.res.ResourcesCompat;
+import androidx.core.content.res.ResourcesCompat;
 import android.text.TextUtils;
 import android.widget.ImageView;
 
diff --git a/src/com/android/contacts/editor/PhotoSourceDialogFragment.java b/src/com/android/contacts/editor/PhotoSourceDialogFragment.java
index 31d41b1..4ca4d30 100644
--- a/src/com/android/contacts/editor/PhotoSourceDialogFragment.java
+++ b/src/com/android/contacts/editor/PhotoSourceDialogFragment.java
@@ -22,7 +22,7 @@
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
 import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.view.View;
 import android.widget.TextView;
 
diff --git a/src/com/android/contacts/editor/SuggestionEditConfirmationDialogFragment.java b/src/com/android/contacts/editor/SuggestionEditConfirmationDialogFragment.java
index 487a5ee..df22773 100644
--- a/src/com/android/contacts/editor/SuggestionEditConfirmationDialogFragment.java
+++ b/src/com/android/contacts/editor/SuggestionEditConfirmationDialogFragment.java
@@ -21,7 +21,7 @@
 import android.content.DialogInterface;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 
 import com.android.contacts.R;
 
diff --git a/src/com/android/contacts/group/GroupMembersFragment.java b/src/com/android/contacts/group/GroupMembersFragment.java
index 9ed69ff..733894d 100644
--- a/src/com/android/contacts/group/GroupMembersFragment.java
+++ b/src/com/android/contacts/group/GroupMembersFragment.java
@@ -32,7 +32,7 @@
 import android.os.Message;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.Contacts;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Gravity;
diff --git a/src/com/android/contacts/group/GroupNameEditDialogFragment.java b/src/com/android/contacts/group/GroupNameEditDialogFragment.java
index 853b8fc..0097142 100644
--- a/src/com/android/contacts/group/GroupNameEditDialogFragment.java
+++ b/src/com/android/contacts/group/GroupNameEditDialogFragment.java
@@ -28,7 +28,7 @@
 import android.os.Bundle;
 import android.provider.ContactsContract.Groups;
 import android.support.design.widget.TextInputLayout;
-import android.support.v7.app.AlertDialog;
+import androidx.appcompat.app.AlertDialog;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.text.TextWatcher;
diff --git a/src/com/android/contacts/interactions/ImportDialogFragment.java b/src/com/android/contacts/interactions/ImportDialogFragment.java
index 5d27086..41b1c71 100644
--- a/src/com/android/contacts/interactions/ImportDialogFragment.java
+++ b/src/com/android/contacts/interactions/ImportDialogFragment.java
@@ -26,8 +26,8 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.v4.text.BidiFormatter;
-import android.support.v4.text.TextDirectionHeuristicsCompat;
+import androidx.core.text.BidiFormatter;
+import androidx.core.text.TextDirectionHeuristicsCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/src/com/android/contacts/list/ContactListItemView.java b/src/com/android/contacts/list/ContactListItemView.java
index 385aa7c..135dbce 100644
--- a/src/com/android/contacts/list/ContactListItemView.java
+++ b/src/com/android/contacts/list/ContactListItemView.java
@@ -30,11 +30,11 @@
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.SearchSnippets;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.res.ResourcesCompat;
-import android.support.v4.graphics.drawable.DrawableCompat;
-import android.support.v7.widget.AppCompatCheckBox;
-import android.support.v7.widget.AppCompatImageButton;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.appcompat.widget.AppCompatCheckBox;
+import androidx.appcompat.widget.AppCompatImageButton;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;
diff --git a/src/com/android/contacts/list/ContactsUnavailableFragment.java b/src/com/android/contacts/list/ContactsUnavailableFragment.java
index c13e475..048ce62 100644
--- a/src/com/android/contacts/list/ContactsUnavailableFragment.java
+++ b/src/com/android/contacts/list/ContactsUnavailableFragment.java
@@ -21,7 +21,7 @@
 import android.content.res.Configuration;
 import android.graphics.PorterDuff;
 import android.os.Bundle;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/contacts/list/DefaultContactBrowseListFragment.java b/src/com/android/contacts/list/DefaultContactBrowseListFragment.java
index f07c4a5..9851d2b 100644
--- a/src/com/android/contacts/list/DefaultContactBrowseListFragment.java
+++ b/src/com/android/contacts/list/DefaultContactBrowseListFragment.java
@@ -36,8 +36,8 @@
 import android.os.Handler;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.Directory;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.widget.SwipeRefreshLayout;
+import androidx.core.content.ContextCompat;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Gravity;
diff --git a/src/com/android/contacts/list/MultiSelectContactsListFragment.java b/src/com/android/contacts/list/MultiSelectContactsListFragment.java
index 61e92b8..5e7f9e8 100644
--- a/src/com/android/contacts/list/MultiSelectContactsListFragment.java
+++ b/src/com/android/contacts/list/MultiSelectContactsListFragment.java
@@ -21,7 +21,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.provider.ContactsContract;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/src/com/android/contacts/model/AccountTypeManager.java b/src/com/android/contacts/model/AccountTypeManager.java
index 9938695..f67f074 100644
--- a/src/com/android/contacts/model/AccountTypeManager.java
+++ b/src/com/android/contacts/model/AccountTypeManager.java
@@ -32,8 +32,8 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.ContactsContract;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.core.content.ContextCompat;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/com/android/contacts/model/Cp2DeviceLocalAccountLocator.java b/src/com/android/contacts/model/Cp2DeviceLocalAccountLocator.java
index 307577d..32912dc 100644
--- a/src/com/android/contacts/model/Cp2DeviceLocalAccountLocator.java
+++ b/src/com/android/contacts/model/Cp2DeviceLocalAccountLocator.java
@@ -20,7 +20,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.provider.ContactsContract;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.contacts.model.account.AccountWithDataSet;
 import com.android.contacts.util.DeviceLocalAccountTypeFactory;
diff --git a/src/com/android/contacts/model/SimCard.java b/src/com/android/contacts/model/SimCard.java
index 2105ac7..ea74379 100644
--- a/src/com/android/contacts/model/SimCard.java
+++ b/src/com/android/contacts/model/SimCard.java
@@ -16,7 +16,7 @@
 package com.android.contacts.model;
 
 import android.os.Build;
-import android.support.annotation.RequiresApi;
+import androidx.annotation.RequiresApi;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.SubscriptionInfo;
 import android.telephony.TelephonyManager;
diff --git a/src/com/android/contacts/model/account/AccountDisplayInfo.java b/src/com/android/contacts/model/account/AccountDisplayInfo.java
index fe0c570..7d7393d 100644
--- a/src/com/android/contacts/model/account/AccountDisplayInfo.java
+++ b/src/com/android/contacts/model/account/AccountDisplayInfo.java
@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 import android.text.TextUtils;
 
 /**
diff --git a/src/com/android/contacts/model/account/FallbackAccountType.java b/src/com/android/contacts/model/account/FallbackAccountType.java
index 288a917..d7ea37a 100644
--- a/src/com/android/contacts/model/account/FallbackAccountType.java
+++ b/src/com/android/contacts/model/account/FallbackAccountType.java
@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.res.ResourcesCompat;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.res.ResourcesCompat;
 
 import com.android.contacts.R;
 import com.android.contacts.model.dataitem.DataKind;
diff --git a/src/com/android/contacts/preference/ContactsPreferenceActivity.java b/src/com/android/contacts/preference/ContactsPreferenceActivity.java
index 1c7469f..1658f3d 100644
--- a/src/com/android/contacts/preference/ContactsPreferenceActivity.java
+++ b/src/com/android/contacts/preference/ContactsPreferenceActivity.java
@@ -22,12 +22,12 @@
 import android.preference.PreferenceActivity;
 import android.provider.ContactsContract.DisplayNameSources;
 import android.provider.ContactsContract.ProviderStatus;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.NonNull;
-import android.support.annotation.StringRes;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatDelegate;
-import android.support.v7.widget.Toolbar;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatDelegate;
+import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.view.MenuInflater;
 import android.view.MenuItem;
diff --git a/src/com/android/contacts/preference/ContactsPreferences.java b/src/com/android/contacts/preference/ContactsPreferences.java
index 87b13f7..85da891 100644
--- a/src/com/android/contacts/preference/ContactsPreferences.java
+++ b/src/com/android/contacts/preference/ContactsPreferences.java
@@ -27,8 +27,8 @@
 import android.preference.PreferenceManager;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.contacts.R;
diff --git a/src/com/android/contacts/preference/DisplayOptionsPreferenceFragment.java b/src/com/android/contacts/preference/DisplayOptionsPreferenceFragment.java
index 82e90b3..4a71585 100644
--- a/src/com/android/contacts/preference/DisplayOptionsPreferenceFragment.java
+++ b/src/com/android/contacts/preference/DisplayOptionsPreferenceFragment.java
@@ -36,7 +36,7 @@
 import android.provider.ContactsContract.DisplayNameSources;
 import android.provider.ContactsContract.Profile;
 import android.support.design.widget.Snackbar;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.telecom.TelecomManager;
 import android.telephony.TelephonyManager;
 import android.text.BidiFormatter;
diff --git a/src/com/android/contacts/quickcontact/ExpandingEntryCardView.java b/src/com/android/contacts/quickcontact/ExpandingEntryCardView.java
index b0f7800..d462a0e 100644
--- a/src/com/android/contacts/quickcontact/ExpandingEntryCardView.java
+++ b/src/com/android/contacts/quickcontact/ExpandingEntryCardView.java
@@ -27,7 +27,7 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.support.v7.widget.CardView;
+import androidx.cardview.widget.CardView;
 import android.text.Spannable;
 import android.text.TextUtils;
 import android.transition.ChangeBounds;
diff --git a/src/com/android/contacts/quickcontact/QuickContactActivity.java b/src/com/android/contacts/quickcontact/QuickContactActivity.java
index e985bbf..df08112 100644
--- a/src/com/android/contacts/quickcontact/QuickContactActivity.java
+++ b/src/com/android/contacts/quickcontact/QuickContactActivity.java
@@ -74,11 +74,11 @@
 import android.provider.ContactsContract.Intents;
 import android.provider.ContactsContract.QuickContact;
 import android.provider.ContactsContract.RawContacts;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v4.content.res.ResourcesCompat;
-import android.support.v4.os.BuildCompat;
-import android.support.v7.graphics.Palette;
+import androidx.core.app.ActivityCompat;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.core.os.BuildCompat;
+import androidx.palette.graphics.Palette;
 import android.telecom.PhoneAccount;
 import android.telecom.TelecomManager;
 import android.text.BidiFormatter;
diff --git a/src/com/android/contacts/util/AccountFilterUtil.java b/src/com/android/contacts/util/AccountFilterUtil.java
index 54c16e2..65ee69e 100644
--- a/src/com/android/contacts/util/AccountFilterUtil.java
+++ b/src/com/android/contacts/util/AccountFilterUtil.java
@@ -28,7 +28,7 @@
 import android.graphics.drawable.Drawable;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Intents;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
diff --git a/src/com/android/contacts/util/ContactDisplayUtils.java b/src/com/android/contacts/util/ContactDisplayUtils.java
index 67b8e07..b69a088 100644
--- a/src/com/android/contacts/util/ContactDisplayUtils.java
+++ b/src/com/android/contacts/util/ContactDisplayUtils.java
@@ -20,7 +20,7 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;
diff --git a/src/com/android/contacts/util/ContactPhotoUtils.java b/src/com/android/contacts/util/ContactPhotoUtils.java
index 943f5dd..76b7226 100644
--- a/src/com/android/contacts/util/ContactPhotoUtils.java
+++ b/src/com/android/contacts/util/ContactPhotoUtils.java
@@ -24,7 +24,7 @@
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.provider.MediaStore;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 import android.util.Log;
 
 import com.android.contacts.R;
diff --git a/src/com/android/contacts/util/ContactsNotificationChannelsUtil.java b/src/com/android/contacts/util/ContactsNotificationChannelsUtil.java
index fec3bda..0d01156 100644
--- a/src/com/android/contacts/util/ContactsNotificationChannelsUtil.java
+++ b/src/com/android/contacts/util/ContactsNotificationChannelsUtil.java
@@ -21,7 +21,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.Build;
-import android.support.v4.os.BuildCompat;
+import androidx.core.os.BuildCompat;
 
 import com.android.contacts.R;
 
diff --git a/src/com/android/contacts/util/DeviceLocalAccountTypeFactory.java b/src/com/android/contacts/util/DeviceLocalAccountTypeFactory.java
index 59ee7e5..d3a8c16 100644
--- a/src/com/android/contacts/util/DeviceLocalAccountTypeFactory.java
+++ b/src/com/android/contacts/util/DeviceLocalAccountTypeFactory.java
@@ -16,7 +16,7 @@
 package com.android.contacts.util;
 
 import android.content.Context;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import com.android.contacts.model.account.AccountType;
 import com.android.contacts.model.account.DeviceLocalAccountType;
diff --git a/src/com/android/contacts/util/MaterialColorMapUtils.java b/src/com/android/contacts/util/MaterialColorMapUtils.java
index 39f69c2..c1616ce 100644
--- a/src/com/android/contacts/util/MaterialColorMapUtils.java
+++ b/src/com/android/contacts/util/MaterialColorMapUtils.java
@@ -22,7 +22,7 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.Trace;
-import android.support.v4.content.ContextCompat;
+import androidx.core.content.ContextCompat;
 
 import com.android.contacts.R;
 import com.android.contacts.activities.PeopleActivity;
diff --git a/src/com/android/contacts/util/PermissionsUtil.java b/src/com/android/contacts/util/PermissionsUtil.java
index c56b13e..11f98d9 100644
--- a/src/com/android/contacts/util/PermissionsUtil.java
+++ b/src/com/android/contacts/util/PermissionsUtil.java
@@ -24,8 +24,8 @@
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.os.Process;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.core.content.ContextCompat;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 /**
  * Utility class to help with runtime permissions.
diff --git a/src/com/android/contacts/util/concurrent/ContactsExecutors.java b/src/com/android/contacts/util/concurrent/ContactsExecutors.java
index 58a6c1f..3223384 100644
--- a/src/com/android/contacts/util/concurrent/ContactsExecutors.java
+++ b/src/com/android/contacts/util/concurrent/ContactsExecutors.java
@@ -4,7 +4,7 @@
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.google.common.util.concurrent.ForwardingFuture;
 import com.google.common.util.concurrent.Futures;
diff --git a/src/com/android/contacts/util/concurrent/ListenableFutureLoader.java b/src/com/android/contacts/util/concurrent/ListenableFutureLoader.java
index 67d5259..18280d6 100644
--- a/src/com/android/contacts/util/concurrent/ListenableFutureLoader.java
+++ b/src/com/android/contacts/util/concurrent/ListenableFutureLoader.java
@@ -20,7 +20,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.Loader;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.Log;
 
 import com.google.common.util.concurrent.FutureCallback;
diff --git a/src/com/android/contacts/vcard/NotificationImportExportListener.java b/src/com/android/contacts/vcard/NotificationImportExportListener.java
index beabe26..f8f4320 100644
--- a/src/com/android/contacts/vcard/NotificationImportExportListener.java
+++ b/src/com/android/contacts/vcard/NotificationImportExportListener.java
@@ -28,7 +28,7 @@
 import android.os.Message;
 import android.provider.ContactsContract;
 import android.provider.ContactsContract.RawContacts;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 import android.widget.Toast;
 
 import com.android.contacts.R;
diff --git a/src/com/android/contacts/vcard/ShareVCardActivity.java b/src/com/android/contacts/vcard/ShareVCardActivity.java
index 787ddc6..5873b7f 100644
--- a/src/com/android/contacts/vcard/ShareVCardActivity.java
+++ b/src/com/android/contacts/vcard/ShareVCardActivity.java
@@ -18,7 +18,7 @@
 import android.content.ComponentName;
 import android.net.Uri;
 import android.os.IBinder;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 import android.util.Log;
 
 import com.android.contacts.R;
diff --git a/src/com/android/contacts/widget/MultiShrinkScroller.java b/src/com/android/contacts/widget/MultiShrinkScroller.java
index 263617b..3a9ba3f 100644
--- a/src/com/android/contacts/widget/MultiShrinkScroller.java
+++ b/src/com/android/contacts/widget/MultiShrinkScroller.java
@@ -15,8 +15,8 @@
 import android.graphics.drawable.GradientDrawable;
 import android.hardware.display.DisplayManager;
 import android.os.Trace;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.view.animation.PathInterpolatorCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.animation.PathInterpolatorCompat;
 import android.util.AttributeSet;
 import android.util.TypedValue;
 import android.view.Display;
@@ -219,7 +219,7 @@
     };
 
     /**
-     * Interpolator from android.support.v4.view.ViewPager. Snappier and more elastic feeling
+     * Interpolator from androidx.viewpager.widget.ViewPager. Snappier and more elastic feeling
      * than the default interpolator.
      */
     private static final Interpolator sInterpolator = new Interpolator() {