docs: public void addScreenMenus()
      {
          AppletScreen appletScreen = this.getAppletScreen();
          if (appletScreen != null)
          {
              ScreenField menuBar = appletScreen.getSField(0);
              if ((menuBar == null) || (!(menuBar instanceof SMenuBar)))
              {
                  if (menuBar instanceof SBaseMenuBar)
                      menuBar.free();     // Wrong menu
                  new SMenuBar(new ScreenLocation(ScreenConstants.FIRST_SCREEN_LOCATION, ScreenConstants.SET_ANCHOR), appletScreen, null, ScreenConstants.DONT_DISPLAY_FIELD_DESC, null);
              }
          }
      }