Make sure to apply latest configuration to resources (466b790f) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+5 −4

Original line number	Diff line number	Diff line
		@@ -4627,11 +4627,12 @@ public final class ActivityThread {
		if ((activity == null) \|\| (activity.mCurrentConfig == null)) {
		shouldChangeConfig = true;
		} else {
		// If the new config is the same as the config this Activity
		// is already running with then don't bother calling
		// onConfigurationChanged
		// If the new config is the same as the config this Activity is already
		// running with and the override config also didn't change, then don't
		// bother calling onConfigurationChanged.
		int diff = activity.mCurrentConfig.diff(newConfig);
		if (diff != 0) {
		if (diff != 0 \|\| !mResourcesManager.isSameResourcesOverrideConfig(activityToken,
		amOverrideConfig)) {
		// Always send the task-level config changes. For system-level configuration, if
		// this activity doesn't handle any of the config changes, then don't bother
		// calling onConfigurationChanged as we're going to destroy it.

+20 −0

Original line number	Diff line number	Diff line
		@@ -364,6 +364,26 @@ public class ResourcesManager {
		return null;
		}

		/**
		* Check if activity resources have same override config as the provided on.
		* @param activityToken The Activity that resources should be associated with.
		* @param overrideConfig The override configuration to be checked for equality with.
		* @return true if activity resources override config matches the provided one or they are both
		* null, false otherwise.
		*/
		boolean isSameResourcesOverrideConfig(@Nullable IBinder activityToken,
		@Nullable Configuration overrideConfig) {
		synchronized (this) {
		final ActivityResources activityResources
		= activityToken != null ? mActivityResourceReferences.get(activityToken) : null;
		if (activityResources == null) {
		return overrideConfig == null;
		} else {
		return Objects.equals(activityResources.overrideConfig, overrideConfig);
		}
		}
		}

		private ActivityResources getOrCreateActivityResourcesStructLocked(
		@NonNull IBinder activityToken) {
		ActivityResources activityResources = mActivityResourceReferences.get(activityToken);