Merge "Notify split controller about activity configuration change" into... (4febde82) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -1518,6 +1518,17 @@ public class Activity extends ContextThemeWrapper
		getApplication().dispatchActivityPostDestroyed(this);
		}

		private void dispatchActivityConfigurationChanged() {
		getApplication().dispatchActivityConfigurationChanged(this);
		Object[] callbacks = collectActivityLifecycleCallbacks();
		if (callbacks != null) {
		for (int i = 0; i < callbacks.length; i++) {
		((Application.ActivityLifecycleCallbacks) callbacks[i])
		.onActivityConfigurationChanged(this);
		}
		}
		}

		private Object[] collectActivityLifecycleCallbacks() {
		Object[] callbacks = null;
		synchronized (mActivityLifecycleCallbacks) {
		@@ -2944,6 +2955,8 @@ public class Activity extends ContextThemeWrapper
		// view changes from above.
		mActionBar.onConfigurationChanged(newConfig);
		}

		dispatchActivityConfigurationChanged();
		}

		/**

core/java/android/app/Application.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -205,6 +205,13 @@ public class Application extends ContextWrapper implements ComponentCallbacks2 {
		*/
		default void onActivityPostDestroyed(@NonNull Activity activity) {
		}

		/**
		* Called when the Activity configuration was changed.
		* @hide
		*/
		default void onActivityConfigurationChanged(@NonNull Activity activity) {
		}
		}

		/**
		@@ -554,6 +561,16 @@ public class Application extends ContextWrapper implements ComponentCallbacks2 {
		}
		}

		/* package */ void dispatchActivityConfigurationChanged(@NonNull Activity activity) {
		Object[] callbacks = collectActivityLifecycleCallbacks();
		if (callbacks != null) {
		for (int i = 0; i < callbacks.length; i++) {
		((ActivityLifecycleCallbacks) callbacks[i]).onActivityConfigurationChanged(
		activity);
		}
		}
		}

		@UnsupportedAppUsage
		private Object[] collectActivityLifecycleCallbacks() {
		Object[] callbacks = null;

libs/WindowManager/Jetpack/src/androidx/window/extensions/organizer/SplitController.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -212,6 +212,20 @@ public class SplitController implements JetpackTaskFragmentOrganizer.TaskFragmen
		updateCallbackIfNecessary();
		}

		private void onActivityConfigurationChanged(@NonNull Activity activity) {
		final TaskFragmentContainer currentContainer = getContainerWithActivity(
		activity.getActivityToken());

		if (currentContainer != null) {
		// Changes to activities in controllers are handled in
		// onTaskFragmentParentInfoChanged
		return;
		}

		// Check if activity requires a placeholder
		launchPlaceholderIfNecessary(activity);
		}

		/**
		* Returns a container that this activity is registered with. An activity can only belong to one
		* container, or no container at all.
		@@ -545,6 +559,10 @@ public class SplitController implements JetpackTaskFragmentOrganizer.TaskFragmen

		@Override
		public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
		}

		@Override
		public void onActivityPostCreated(Activity activity, Bundle savedInstanceState) {
		// Calling after Activity#onCreate is complete to allow the app launch something
		// first. In case of a configured placeholder activity we want to make sure
		// that we don't launch it if an activity itself already requested something to be
		@@ -575,5 +593,10 @@ public class SplitController implements JetpackTaskFragmentOrganizer.TaskFragmen
		@Override
		public void onActivityDestroyed(Activity activity) {
		}

		@Override
		public void onActivityConfigurationChanged(Activity activity) {
		SplitController.this.onActivityConfigurationChanged(activity);
		}
		}
		}