媒体控制器进度未更新

Question

我正在尝试使用媒体控制器播放视频问题是媒体控制器的进度更新为0.2秒然后停止直到我按下暂停或控制器的任何其他按钮它更新为实际进度我的代码如下：

   MediaController mc = new MediaController(context);
    FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
    lp.gravity = Gravity.BOTTOM;
    mc.setLayoutParams(lp);
    ((ViewGroup) mc.getParent()).removeView(mc);
    mc.findFocus();
    mc.setEnabled(true);
    mc.setMediaPlayer(videoView);
    videoView.setMediaController(mc);
    LayVideoPlayer.addView(mc);
    Uri video = Uri.parse(videoModel.getVideoUrl());
    videoView.setVideoURI(video);
    videoView.start();