Merge "Fixes ActivityLifecycleTests flakiness" into main
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index aa0df92..4c282bd 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -1274,7 +1274,8 @@
         if (!isLeafTaskFragment()) {
             final ActivityRecord top = topRunningActivity();
             final ActivityRecord resumedActivity = getResumedActivity();
-            if (resumedActivity != null && top.getTaskFragment() != this) {
+            if (resumedActivity != null
+                    && (top.getTaskFragment() != this || !canBeResumed(resuming))) {
                 // Pausing the resumed activity because it is occluded by other task fragment.
                 if (startPausing(false /* uiSleeping*/, resuming, reason)) {
                     someActivityPaused[0]++;
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskTests.java b/services/tests/wmtests/src/com/android/server/wm/TaskTests.java
index 3bd6496..a88680a 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskTests.java
@@ -1945,6 +1945,21 @@
         assertEquals(2, finishCount[0]);
     }
 
+    @Test
+    public void testPauseActivityWhenHasEmptyLeafTaskFragment() {
+        // Creating a task that has a RESUMED activity and an empty TaskFragment.
+        final Task task = new TaskBuilder(mSupervisor).setCreateActivity(true).build();
+        final ActivityRecord activity = task.getTopMostActivity();
+        new TaskFragmentBuilder(mAtm).setParentTask(task).build();
+        activity.setState(ActivityRecord.State.RESUMED, "test");
+
+        // Ensure the activity is paused if cannot be resumed.
+        doReturn(false).when(task).canBeResumed(any());
+        mSupervisor.mUserLeaving = true;
+        task.pauseActivityIfNeeded(null /* resuming */, "test");
+        verify(task).startPausing(eq(true) /* userLeaving */, anyBoolean(), any(), any());
+    }
+
     private Task getTestTask() {
         return new TaskBuilder(mSupervisor).setCreateActivity(true).build();
     }