Merge "Removes strong ref to Activity from RequestFinishCallback" into qt-qpr1-dev (717220d6) · Commits · e / os / android_frameworks_base

core/java/android/app/Activity.java

+18 −5

Original line number	Diff line number	Diff line
		@@ -146,6 +146,7 @@ import java.io.FileDescriptor;
		import java.io.PrintWriter;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.lang.ref.WeakReference;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collections;
		@@ -3656,6 +3657,22 @@ public class Activity extends ContextThemeWrapper
		return false;
		}

		private static final class RequestFinishCallback extends IRequestFinishCallback.Stub {
		private final WeakReference<Activity> mActivityRef;

		RequestFinishCallback(WeakReference<Activity> activityRef) {
		mActivityRef = activityRef;
		}

		@Override
		public void requestFinish() {
		Activity activity = mActivityRef.get();
		if (activity != null) {
		activity.mHandler.post(activity::finishAfterTransition);
		}
		}
		}

		/**
		* Called when the activity has detected the user's press of the back
		* key. The default implementation simply finishes the current activity,
		@@ -3681,11 +3698,7 @@ public class Activity extends ContextThemeWrapper
		// while at the root of the task. This call allows ActivityTaskManager
		// to intercept or defer finishing.
		ActivityTaskManager.getService().onBackPressedOnTaskRoot(mToken,
		new IRequestFinishCallback.Stub() {
		public void requestFinish() {
		mHandler.post(() -> finishAfterTransition());
		}
		});
		new RequestFinishCallback(new WeakReference<>(this)));
		} catch (RemoteException e) {
		finishAfterTransition();
		}