vlc_android中获取视频播放状态
vlc中视频的状态有以下几种：

        load(url);        loadingDialog = ProgressDialog.show(this, "", "加载中，请稍等 …", false, true);        new Thread(new Runnable() {            @Override            public void run() {               while (true) {                   try {                       Thread.sleep(1000);                       Log.d(TAG,"progress dialog():"+mLibVLC.getState());                       if(mLibVLC != null &&mLibVLC.getState()==LibVLC_State.libvlc_Playing){                           loadingDialog.dismiss();                           break;                       }                   } catch (InterruptedException e) {                       e.printStackTrace();                   }               }            }        }).start();