docs: public View getFullScreenView() {
          if (mFullScreenView != null) {
              return mFullScreenView;
          }
  
          final DisplayMetrics metrics = new DisplayMetrics();
          mActivity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
          final int screenWidthPixels = Math.max(metrics.widthPixels, metrics.heightPixels);
          final int screenHeightPixels = Math.min(metrics.widthPixels, metrics.heightPixels);
  
          final ViewGroup.LayoutParams layout = new ViewGroup.LayoutParams(screenWidthPixels, screenHeightPixels);
          mFullScreenView = new View(mActivity);
          mFullScreenView.setLayoutParams(layout);
          mRenderableViewGroup.addView(mFullScreenView);
  
          return mFullScreenView;
      }