public void PlayVideo(string path)
        {
            using (var pool = new NSAutoreleasePool())
            {
                try
                {
                    pool.InvokeOnMainThread(delegate {
                        if (playing)
                        {
                            StopVideo();
                        }
                        playerView = new MPMoviePlayerViewController();
                        playerView.MoviePlayer.ScalingMode = MPMovieScalingMode.AspectFit;
                        playerView.MoviePlayer.MovieControlMode = MPMovieControlMode.Default;
                        playerView.MoviePlayer.Fullscreen = true;

                        stopObserver = NSNotificationCenter.DefaultCenter.AddObserver(
                            MPMoviePlayerController.PlaybackDidFinishNotification,
                            (NSNotification) => OnVideoStop(null), playerView.MoviePlayer);

                        window.AddSubview(playerView.View);
                        playerView.MoviePlayer.ContentUrl = new NSUrl(path);
                        playerView.MoviePlayer.Play();

                        if (VideoStarted != null)
                        {
                            VideoStarted(null, EventArgs.Empty);
                        }
                        playing = true;
                    });
                }
                catch (Exception e)
                {
                    global::System.Diagnostics.Debug.WriteLine("Exception calling PlayVideo: " + e.ToString());
                }
            }
        }