docs: public void setContentView(View view) {
          this.mContentView = view;
          ViewGroup.LayoutParams params = view.getLayoutParams();
          if (params == null) {
              params = new ViewGroup.LayoutParams(-1, -2);
          } else {
              params.width = -1;
              params.height = -2;
          }
          this.mContentView.setLayoutParams(params);
      }