Vaadin 7 UI Design By Example Beginner's Guide

Time for action – adding some infrastructure

Edit the init method of your TimeItUI class to match the following:

@Override
protected void init(VaadinRequest request) {
  initCombo();
  initButton();
  initLayout();
}

What just happened?

Here we are breaking up the functionality to initialize our UI components in a more suitable way by implementing smaller methods. Now that we have the required infrastructure, we can start adding input components.

Comboboxes

A combobox is an input component that allows users to select an option from a drop-down list. It looks like the following screenshot:

You must be thinking "yeah right, but how do you put those options in ...