fix(android): prevent duplicate onVideoEnd callback on prop changes (#4762)

android/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java

@@ -227,6 +227,7 @@ public class ReactExoplayerView extends FrameLayout implements
      */
     private boolean isSeeking = false;
     private long seekPosition = -1;
+    private boolean hasVideoEnded = false;
 
     // Props from React
     private Source source = new Source();
@@ -1411,6 +1412,7 @@ public class ReactExoplayerView extends FrameLayout implements
                     break;
                 case Player.STATE_READY:
                     text += "ready";
+                    hasVideoEnded = false;
                     eventEmitter.onReadyForDisplay.invoke();
                     onBuffering(false);
                     clearProgressMessageHandler(); // ensure there is no other message
@@ -1429,7 +1431,10 @@ public class ReactExoplayerView extends FrameLayout implements
                 case Player.STATE_ENDED:
                     text += "ended";
                     updateProgress();
-                    eventEmitter.onVideoEnd.invoke();
+                    if (!hasVideoEnded) {
+                        hasVideoEnded = true;
+                        eventEmitter.onVideoEnd.invoke();
+                    }
                     onStopPlayback();
                     setKeepScreenOn(false);
                     break;
@@ -1819,7 +1824,10 @@ public class ReactExoplayerView extends FrameLayout implements
         if (reason == Player.DISCONTINUITY_REASON_AUTO_TRANSITION
                 && player.getRepeatMode() == Player.REPEAT_MODE_ONE) {
             updateProgress();
-            eventEmitter.onVideoEnd.invoke();
+            if (!hasVideoEnded) {
+                hasVideoEnded = true;
+                eventEmitter.onVideoEnd.invoke();
+            }
         }
     }
 
@@ -2030,6 +2038,7 @@ public class ReactExoplayerView extends FrameLayout implements
             }
 
             if (!isSourceEqual) {
+                hasVideoEnded = false;
                 playerNeedsSource = true;
                 initializePlayer();
             }