code: @UiChild(tagname = "radio")
      public void addRadio(JQMRadio radio) {
          radio.setName(fieldset.getId());
          radios.add(radio);
          radio.setTheme(theme);
  
          fieldset.add(radio.getInput());
          fieldset.add(radio.getLabel());
      }
docs: UiBinder call method to add a radio button
  
  @param radio