Fix NullPointerException when disaptching events

Summary: This diff fixes a NullPointerException when disaptching events while the SurfaceMountingManager is being destroyed changelog: [android] android Reviewed By: cortinico Differential Revision: D35559550 fbshipit-source-id: c07f74493384fb1b306338ec1bc8b96f1b6f1f41
Saadnajmi · Jan 14, 2023 · 7ffef7c · 7ffef7c
1 parent 68c0177
commit 7ffef7c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/ReactAndroid/src/main/java/com/facebook/react/fabric/mounting/SurfaceMountingManager.java b/ReactAndroid/src/main/java/com/facebook/react/fabric/mounting/SurfaceMountingManager.java
@@ -1026,13 +1026,14 @@ public View getView(int reactTag) {
   }
 
   private @Nullable ViewState getNullableViewState(int tag) {
-    if (mTagToViewState == null) {
+    ConcurrentHashMap<Integer, ViewState> viewStates = mTagToViewState;
+    if (viewStates == null) {
       return null;
     }
     if (ReactFeatureFlags.enableDelayedViewStateDeletion) {
       mScheduledForDeletionViewStateTags.remove(tag);
     }
-    return mTagToViewState.get(tag);
+    return viewStates.get(tag);
   }
 
   @SuppressWarnings("unchecked") // prevents unchecked conversion warn of the <ViewGroup> type