Keep scene change code in framework transitions in sync with AndroidX

Bug: 65536124
Test: cts/TransitionManagerTest
Change-Id: I976f07899c7d6ef68acbcc207ddb07ae5ac7f28f

1 files changed, 10 insertions, 11 deletions

diff --git a/core/java/android/transition/TransitionManager.java b/core/java/android/transition/TransitionManager.java
index c4ef77a3e7ae..4608e205ec7c 100644
--- a/core/java/android/transition/TransitionManager.java
+++ b/core/java/android/transition/TransitionManager.java
@@ -188,8 +188,12 @@ public class TransitionManager {
 
         final ViewGroup sceneRoot = scene.getSceneRoot();
         if (!sPendingTransitions.contains(sceneRoot)) {
+            Scene oldScene = Scene.getCurrentScene(sceneRoot);
             if (transition == null) {
-                exitPreviousScene(sceneRoot);
+                // Notify old scene that it is being exited
+                if (oldScene != null) {
+                    oldScene.exit();
+                }
 
                 scene.enter();
             } else {
@@ -198,7 +202,6 @@ public class TransitionManager {
                 Transition transitionClone = transition.clone();
                 transitionClone.setSceneRoot(sceneRoot);
 
-                Scene oldScene = Scene.getCurrentScene(sceneRoot);
                 if (oldScene != null && oldScene.isCreatedFromLayoutResource()) {
                     transitionClone.setCanRemoveViews(true);
                 }
@@ -212,14 +215,6 @@ public class TransitionManager {
         }
     }
 
-    private static void exitPreviousScene(final ViewGroup sceneRoot) {
-        // Notify previous scene that it is being exited
-        final Scene previousScene = Scene.getCurrentScene(sceneRoot);
-        if (previousScene != null) {
-            previousScene.exit();
-        }
-    }
-
     @UnsupportedAppUsage
     private static ArrayMap<ViewGroup, ArrayList<Transition>> getRunningTransitions() {
         WeakReference<ArrayMap<ViewGroup, ArrayList<Transition>>> runningTransitions =
@@ -349,7 +344,11 @@ public class TransitionManager {
             transition.captureValues(sceneRoot, true);
         }
 
-        exitPreviousScene(sceneRoot);
+        // Notify previous scene that it is being exited
+        Scene previousScene = Scene.getCurrentScene(sceneRoot);
+        if (previousScene != null) {
+            previousScene.exit();
+        }
     }
 
     /**