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R
- recreate() - function in android.app.Activity
 - registerActivityLifecycleCallbacks(Application.ActivityLifecycleCallbacks) - function in android.app.Activity
 - registerComponentCallbacks(ComponentCallbacks) - function in android.content.Context
 - registerForActivityResult(ActivityResultContract,ActivityResultCallback) - function in androidx.activity.ComponentActivity
 - registerForActivityResult(ActivityResultContract,ActivityResultRegistry,ActivityResultCallback) - function in androidx.activity.ComponentActivity
 - registerForContextMenu(View) - function in android.app.Activity
 - registerReceiver(BroadcastReceiver,IntentFilter) - function in android.content.ContextWrapper
 - registerReceiver(BroadcastReceiver,IntentFilter,Integer) - function in android.content.ContextWrapper
 - registerReceiver(BroadcastReceiver,IntentFilter,String,Handler) - function in android.content.ContextWrapper
 - registerReceiver(BroadcastReceiver,IntentFilter,String,Handler,Integer) - function in android.content.ContextWrapper
 - releaseInstance() - function in android.app.Activity
 - removeDialog(Integer) - function in android.app.Activity
 - removeMenuProvider(MenuProvider) - function in androidx.activity.ComponentActivity
 - removeOnConfigurationChangedListener(Consumer) - function in androidx.activity.ComponentActivity
 - removeOnContextAvailableListener(OnContextAvailableListener) - function in androidx.activity.ComponentActivity
 - removeOnMultiWindowModeChangedListener(Consumer) - function in androidx.activity.ComponentActivity
 - removeOnNewIntentListener(Consumer) - function in androidx.activity.ComponentActivity
 - removeOnPictureInPictureModeChangedListener(Consumer) - function in androidx.activity.ComponentActivity
 - removeOnTrimMemoryListener(Consumer) - function in androidx.activity.ComponentActivity
 - removeStickyBroadcast(Intent) - function in android.content.ContextWrapper
 - removeStickyBroadcastAsUser(Intent,UserHandle) - function in android.content.ContextWrapper
 - reportFullyDrawn() - function in androidx.activity.ComponentActivity
 - requestDragAndDropPermissions(DragEvent) - function in android.app.Activity
 - requestPermissions(Array,Integer) - function in android.app.Activity
 - requestShowKeyboardShortcuts() - function in android.app.Activity
 - requestVisibleBehind(Boolean) - function in android.app.Activity
 - requestWindowFeature(Integer) - function in android.app.Activity
 - requireViewById(Integer) - function in android.app.Activity
 - revokeUriPermission(Uri,Integer) - function in android.content.ContextWrapper
 - revokeUriPermission(String,Uri,Integer) - function in android.content.ContextWrapper
 - runOnUiThread(Runnable) - function in android.app.Activity