Merge "Fix flickery behavior when launching notification when occluded" into oc-dr1-dev

am: dd22dcbcdf

Change-Id: I2760a5efce65ba88fcb49589eec9071fc052ddc9

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@@ -6810,7 +6810,6 @@ public class StatusBar extends SystemUI implements DemoMode,
                 }
             });
 
-            final boolean keyguardShowing = mStatusBarKeyguardViewManager.isShowing();
             final boolean afterKeyguardGone = intent.isActivity()
                     && PreviewInflater.wouldLaunchResolverActivity(mContext, intent.getIntent(),
                             mCurrentUserId);
@@ -6837,7 +6836,7 @@ public class StatusBar extends SystemUI implements DemoMode,
                         }
                     }
                     final StatusBarNotification parentToCancelFinal = parentToCancel;
-                    new Thread() {
+                    final Runnable runnable = new Runnable() {
                         @Override
                         public void run() {
                             try {
@@ -6909,7 +6908,14 @@ public class StatusBar extends SystemUI implements DemoMode,
                                 });
                             }
                         }
-                    }.start();
+                    };
+
+                    if (mStatusBarKeyguardViewManager.isShowing()
+                            && mStatusBarKeyguardViewManager.isOccluded()) {
+                        mStatusBarKeyguardViewManager.addAfterKeyguardGoneRunnable(runnable);
+                    } else {
+                        new Thread(runnable).start();
+                    }
 
                     // close the shade if it was open
                     animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_RECENTS_PANEL,

services/core/java/com/android/server/am/ActivityManagerService.java

@@ -24002,9 +24002,19 @@ public class ActivityManagerService extends IActivityManager.Stub
 
                 // We might change the visibilities here, so prepare an empty app transition which
                 // might be overridden later if we actually change visibilities.
-                mWindowManager.prepareAppTransition(TRANSIT_NONE, false /* alwaysKeepCurrent */);
+                final boolean wasTransitionSet =
+                        mWindowManager.getPendingAppTransition() != TRANSIT_NONE;
+                if (!wasTransitionSet) {
+                    mWindowManager.prepareAppTransition(TRANSIT_NONE,
+                            false /* alwaysKeepCurrent */);
+                }
                 mStackSupervisor.ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
-                mWindowManager.executeAppTransition();
+
+                // If there was a transition set already we don't want to interfere with it as we
+                // might be starting it too early.
+                if (!wasTransitionSet) {
+                    mWindowManager.executeAppTransition();
+                }
             }
             if (callback != null) {
                 callback.run();