horizontalMenu

<horizontalMenu id="horizontalMenu" width="100%"/>

@Autowired
private UiComponents uiComponents;
@Autowired
private ApplicationContext applicationContext;
@ViewComponent
private VerticalLayout navigation;

@Subscribe
public void onInit(final InitEvent event) {
    HorizontalMenu horizontalMenu = uiComponents.create(HorizontalMenu.class);

    MenuConfigHorizontalMenuItemProvider itemProvider =
            applicationContext.getBean(MenuConfigHorizontalMenuItemProvider.class);
    horizontalMenu.setMenuItemProvider(itemProvider);
    navigation.add(horizontalMenu);

    itemProvider.load();
}