Add allowsExternalPlayback property to control external playback

ios/RCTVideo.m

@@ -40,6 +40,7 @@ static NSString *const timedMetadata = @"timedMetadata";
   BOOL _muted;
   BOOL _paused;
   BOOL _repeat;
+  BOOL _allowsExternalPlayback;
   BOOL _playbackStalled;
   BOOL _playInBackground;
   BOOL _playWhenInactive;
@@ -66,6 +67,7 @@ static NSString *const timedMetadata = @"timedMetadata";
     _controls = NO;
     _playerBufferEmpty = YES;
     _playInBackground = false;
+      _allowsExternalPlayback = YES;
     _playWhenInactive = false;
     _ignoreSilentSwitch = @"inherit"; // inherit, ignore, obey
 
@@ -522,6 +524,12 @@ static NSString *const timedMetadata = @"timedMetadata";
   _playInBackground = playInBackground;
 }
 
+- (void)setAllowsExternalPlayback:(BOOL)allowsExternalPlayback
+{
+    _allowsExternalPlayback = allowsExternalPlayback;
+    _player.allowsExternalPlayback = _allowsExternalPlayback;
+}
+
 - (void)setPlayWhenInactive:(BOOL)playWhenInactive
 {
   _playWhenInactive = playWhenInactive;
@@ -633,6 +641,7 @@ static NSString *const timedMetadata = @"timedMetadata";
   [self setRepeat:_repeat];
   [self setPaused:_paused];
   [self setControls:_controls];
+  [self setAllowsExternalPlayback:_allowsExternalPlayback];
 }
 
 - (void)setRepeat:(BOOL)repeat {

ios/RCTVideoManager.m

@@ -22,6 +22,7 @@ RCT_EXPORT_MODULE();
 RCT_EXPORT_VIEW_PROPERTY(src, NSDictionary);
 RCT_EXPORT_VIEW_PROPERTY(resizeMode, NSString);
 RCT_EXPORT_VIEW_PROPERTY(repeat, BOOL);
+RCT_EXPORT_VIEW_PROPERTY(allowsExternalPlayback, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(paused, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(muted, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(controls, BOOL);