Don't consume touch events if no controller is attached.

Issue:#6109
PiperOrigin-RevId: 255933121

library/ui/src/main/java/com/google/android/exoplayer2/ui/PlayerView.java

@@ -1050,6 +1050,9 @@ public class PlayerView extends FrameLayout implements AdsLoader.AdViewProvider
 
 
   @Override
   @Override
   public boolean onTouchEvent(MotionEvent event) {
   public boolean onTouchEvent(MotionEvent event) {
+    if (!useController || player == null) {
+      return false;
+    }
     switch (event.getAction()) {
     switch (event.getAction()) {
       case MotionEvent.ACTION_DOWN:
       case MotionEvent.ACTION_DOWN:
         isTouching = true;
         isTouching = true;
@@ -1150,9 +1153,6 @@ public class PlayerView extends FrameLayout implements AdsLoader.AdViewProvider
   // Internal methods.
   // Internal methods.
 
 
   private boolean toggleControllerVisibility() {
   private boolean toggleControllerVisibility() {
-    if (!useController || player == null) {
-      return false;
-    }
     if (!controller.isVisible()) {
     if (!controller.isVisible()) {
       maybeShowController(true);
       maybeShowController(true);
     } else if (controllerHideOnTouch) {
     } else if (controllerHideOnTouch) {
@@ -1471,6 +1471,9 @@ public class PlayerView extends FrameLayout implements AdsLoader.AdViewProvider
 
 
     @Override
     @Override
     public boolean onSingleTapUp(MotionEvent e) {
     public boolean onSingleTapUp(MotionEvent e) {
+      if (!useController || player == null) {
+        return false;
+      }
       return toggleControllerVisibility();
       return toggleControllerVisibility();
     }
     }
   }
   }