code: public T setSelection(int position) {
  
          if (view instanceof AdapterView) {
              AdapterView<?> alv = (AdapterView<?>) view;
              alv.setSelection(position);
          }
  
          return self();
  
      }
docs: Set selected item of an AdapterView.
  
  @param position The position of the item to be selected.
  @return self