public void OnPlayMovie()
 {
     if (AVPlayerConnect.AVPlayerIsPlaying(avPlayer))
     {
         AVPlayerConnect.AVPlayerPause(avPlayer);
     }
     else
     {
         AVPlayerConnect.AVPlayerPlay(avPlayer);
     }
 }
    IEnumerator OnUpdateSeekSlider()
    {
        for (;;)
        {
            yield return(null);

            if (seekSlider != null && AVPlayerConnect.AVPlayerIsPlaying(avPlayer))
            {
                if (!isSeekSliderDoing && !isSeekWaiting)
                {
                    float current = AVPlayerConnect.AVPlayerGetCurrentPosition(avPlayer);
                    seekSlider.value = current;
                }
            }
        }
    }