public void initResolution() {
   VDVideoViewController controller = VDVideoViewController.getInstance(mContext);
   if (controller != null) {
     try {
       VDResolutionManager resolutionManager = VDResolutionManager.getInstance(mContext);
       if (resolutionManager != null) {
         mResolution = resolutionManager.getCurrResolution();
         String tag = resolutionManager.getCurrResolutionTag();
         setClicked(tag);
       }
       refreshButtonText();
     } catch (Exception ex) {
       ex.printStackTrace();
     }
   }
 }