Merge "Check for PIPable activities after moving task to back." into rvc-dev am: 144ba12233

Change-Id: Ie1569790b168a9a2fbc92ced8bea5a98dbd250f9

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

@@ -4620,7 +4620,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
             // the current contract for "auto-Pip" is that the app should enter it before onPause
             // returns. Just need to confirm this reasoning makes sense.
             final boolean deferHidingClient = canEnterPictureInPicture
-                    && !isState(STOPPING, STOPPED, PAUSED);
+                    && !isState(STARTED, STOPPING, STOPPED, PAUSED);
             setDeferHidingClient(deferHidingClient);
             setVisibility(false);
 
@@ -4631,9 +4631,16 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
                     // activity is hidden
                     supportsEnterPipOnTaskSwitch = false;
                     break;
-
-                case INITIALIZING:
                 case RESUMED:
+                    // If the app is capable of entering PIP, we should try pausing it now
+                    // so it can PIP correctly.
+                    if (deferHidingClient) {
+                        getRootTask().startPausingLocked(
+                                mStackSupervisor.mUserLeaving /* userLeaving */,
+                                false /* uiSleeping */, null /* resuming */);
+                        break;
+                    }
+                case INITIALIZING:
                 case PAUSING:
                 case PAUSED:
                 case STARTED:

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

@@ -2676,9 +2676,9 @@ class ActivityStack extends Task {
             mRootWindowContainer.ensureVisibilityAndConfig(null /* starting */,
                     getDisplay().mDisplayId, false /* markFrozenIfConfigChanged */,
                     false /* deferResume */);
+        } else {
+            mRootWindowContainer.resumeFocusedStacksTopActivities();
         }
-
-        mRootWindowContainer.resumeFocusedStacksTopActivities();
         return true;
     }