Merge "Fix typo in stack traversal" into rvc-dev am: 18b8b2d75e (c86d1ee4) · Commits · e / os / android_frameworks_base

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -2214,7 +2214,7 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		// It is possible that request to finish activity might also remove its task and
		// stack, so we need to be careful with indexes in the loop and check child count
		// every time.
		for (int stackNdx = 0; stackNdx < display.getStackCount(); ++stackNdx) {
		for (int stackNdx = 0; stackNdx < taskDisplayArea.getStackCount(); ++stackNdx) {
		final ActivityStack stack = taskDisplayArea.getStackAt(stackNdx);
		final Task t = stack.finishTopCrashedActivityLocked(app, reason);
		if (stack == focusedStack \|\| finishedTask == null) {

services/tests/wmtests/src/com/android/server/wm/RootActivityContainerTests.java

+39 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMAR
		import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;
		import static android.view.Display.DEFAULT_DISPLAY;
		import static android.view.Display.TYPE_VIRTUAL;
		import static android.window.DisplayAreaOrganizer.FEATURE_VENDOR_FIRST;

		import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
		import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
		@@ -247,6 +248,44 @@ public class RootActivityContainerTests extends ActivityTestsBase {
		assertEquals(originalStackCount, defaultTaskDisplayArea.getStackCount());
		}

		/**
		* Verifies that removal of activities with task and stack is done correctly when there are
		* several task display areas.
		*/
		@Test
		public void testRemovingStackOnAppCrash_multipleDisplayAreas() {
		final TaskDisplayArea defaultTaskDisplayArea = mRootWindowContainer
		.getDefaultTaskDisplayArea();
		final int originalStackCount = defaultTaskDisplayArea.getStackCount();
		final ActivityStack stack = defaultTaskDisplayArea.createStack(
		WINDOWING_MODE_FULLSCREEN, ACTIVITY_TYPE_STANDARD, false /* onTop */);
		final ActivityRecord firstActivity = new ActivityBuilder(mService).setCreateTask(true)
		.setStack(stack).build();
		assertEquals(originalStackCount + 1, defaultTaskDisplayArea.getStackCount());

		final DisplayContent dc = defaultTaskDisplayArea.getDisplayContent();
		doReturn(2).when(dc).getTaskDisplayAreaCount();
		final TaskDisplayArea secondTaskDisplayArea = new TaskDisplayArea(dc,
		mRootWindowContainer.mWmService, "SecondaryTaskDisplayArea", FEATURE_VENDOR_FIRST);
		// Add second display area right above the default one
		defaultTaskDisplayArea.getParent().addChild(secondTaskDisplayArea,
		defaultTaskDisplayArea.getParent().mChildren.indexOf(defaultTaskDisplayArea) + 1);
		doReturn(secondTaskDisplayArea).when(dc).getTaskDisplayAreaAt(1);
		final ActivityStack secondStack = secondTaskDisplayArea.createStack(
		WINDOWING_MODE_FULLSCREEN, ACTIVITY_TYPE_STANDARD, false /* onTop */);
		new ActivityBuilder(mService).setCreateTask(true).setStack(secondStack)
		.setUseProcess(firstActivity.app).build();
		assertEquals(1, secondTaskDisplayArea.getStackCount());

		// Let's pretend that the app has crashed.
		firstActivity.app.setThread(null);
		mRootWindowContainer.finishTopCrashedActivities(firstActivity.app, "test");

		// Verify that the stacks were removed.
		assertEquals(originalStackCount, defaultTaskDisplayArea.getStackCount());
		assertEquals(0, secondTaskDisplayArea.getStackCount());
		}

		@Test
		public void testFocusability() {
		final TaskDisplayArea defaultTaskDisplayArea = mRootWindowContainer