code: @Override protected void handleEvents(final String EVENT_TYPE) {
          super.handleEvents(EVENT_TYPE);
          if ("VISIBILITY".equals(EVENT_TYPE)) {
              boolean isDateVisible = clock.isDateVisible();
              dateText.setVisible(isDateVisible);
              dateText.setManaged(isDateVisible);
              boolean isSecondsVisible = clock.isSecondsVisible();
              secondBackgroundCircle.setVisible(isSecondsVisible);
              secondBackgroundCircle.setManaged(isSecondsVisible);
              secondArc.setVisible(isSecondsVisible);
              secondArc.setManaged(isSecondsVisible);
          } else if ("FINISHED".equals(EVENT_TYPE)) {
  
          }
      }
docs: ******************** Methods *******************************************