Merge "Preserve task when clearing top activities" into tm-dev am: 597af5dae7 (40ef0c8c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/Task.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -1630,12 +1630,16 @@ class Task extends TaskFragment {
		}

		ActivityRecord performClearTop(ActivityRecord newR, int launchFlags) {
		// The task should be preserved for putting new activity in case the last activity is
		// finished if it is normal launch mode and not single top ("clear-task-top").
		mReuseTask = true;
		mTaskSupervisor.beginDeferResume();
		final ActivityRecord result;
		try {
		result = clearTopActivities(newR, launchFlags);
		} finally {
		mTaskSupervisor.endDeferResume();
		mReuseTask = false;
		}
		return result;
		}

+14 −0

Original line number	Diff line number	Diff line
		@@ -258,6 +258,20 @@ public class TaskTests extends WindowTestsBase {
		assertNull(task1.isInTask(activity2));
		}

		@Test
		public void testPerformClearTop() {
		final Task task = createTask(mDisplayContent);
		final ActivityRecord activity1 = new ActivityBuilder(mAtm).setTask(task).build();
		final ActivityRecord activity2 = new ActivityBuilder(mAtm).setTask(task).build();
		// Detach from process so the activities can be removed from hierarchy when finishing.
		activity1.detachFromProcess();
		activity2.detachFromProcess();
		assertNull(task.performClearTop(activity1, 0 /* launchFlags */));
		assertFalse(task.hasChild());
		// In real case, the task should be preserved for adding new activity.
		assertTrue(task.isAttached());
		}

		@Test
		public void testRemoveChildForOverlayTask() {
		final Task task = createTask(mDisplayContent);