code: @SuppressWarnings({"unchecked", "rawtypes"})
      public T adapter(Adapter adapter) {
  
          if (view instanceof AdapterView) {
              AdapterView av = (AdapterView) view;
              av.setAdapter(adapter);
          }
          return self();
      }
docs: Set the adapter of an AdapterView.
  
  @param adapter adapter
  @return self