docs: public int[] processOnMeasure(int widthMeasureSpec, int heightMeasureSpec) {
          if (mIsHide) {
              panelLayout.setVisibility(View.GONE);
              /*
               * The current frame will be visible nil.
               */
              widthMeasureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.EXACTLY);
              heightMeasureSpec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.EXACTLY);
          }
  
          final int[] processedMeasureWHSpec = new int[2];
          processedMeasureWHSpec[0] = widthMeasureSpec;
          processedMeasureWHSpec[1] = heightMeasureSpec;
  
          return processedMeasureWHSpec;
      }