isPlaying method
Implementation
@override
Future<bool> isPlaying(int viewId) async {
try {
var methodChannel = MethodChannel('${channelPrefix}_$viewId');
return await methodChannel.invokeMethod<bool>('playing') ?? false;
} on PlatformException catch (e) {
debugPrint('${e.code}: ${e.message}');
return false;
}
}