docs: public static void showKeyboard(final View panelLayout, final View focusView) {
          final Activity activity = (Activity) panelLayout.getContext();
  
          KeyboardUtil.showKeyboard(focusView);
          if (isHandleByPlaceholder(activity)) {
              panelLayout.setVisibility(View.INVISIBLE);
          } else if (mIsInMultiWindowMode) {
              panelLayout.setVisibility(View.GONE);
          }
      }