@Override
 public void onResolutionListButtonFocusFirst() {
   // TODO Auto-generated method stub
   // 当遥控器焦点指到container的时候,要求里面的按钮中第一个要显示为focus状态
   VDVideoViewController controller = VDVideoViewController.getInstance(mContext);
   if (controller != null) {
     VDResolutionManager resolutionManager = VDResolutionManager.getInstance(mContext);
     if (resolutionManager != null) {
       VDResolution firstResolution = resolutionManager.getResolutionData().getFirstResolution();
       if (firstResolution != null && firstResolution.getTag().equals(mResolutionTag)) {
         requestFocus();
       }
     }
   }
 }
 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();
     }
   }
 }