Book Image

Vaadin 7 UI Design By Example: Beginner's Guide

Book Image

Vaadin 7 UI Design By Example: Beginner's Guide

Overview of this book

Vaadin is a mature, open-source, and powerful Java framework used to build modern web applications in plain Java. Vaadin brings back the fun of programming UI interfaces to the web universe. No HTML, no CSS, no JavaScript, no XML. Vaadin lets you implement web user interfaces using an object oriented model, similar to desktop technologies such as Swing and AWT. Vaadin 7 UI Design By Example: Beginner's Guide is an engaging guide that will teach you how to develop web applications in minutes. With this book, you will Develop useful applications and learn basics of Java web development. By the end of the book you will be able to build Java web applications that look fantastic. The book begins with simple examples using the most common Vaadin UI components and quickly move towards more complex applications as components are introduced chapter-by-chapter. Vaadin 7 UI Design By Example: Beginner's Guide shows you how to use Eclipse, Netbeans, and Maven to create Vaadin projects. It then demonstrates how to use labels, text fields, buttons, and other input components. Once you get a grasp of the basic usage of Vaadin, the book explains Vaadin theory to prepare you for the rest of the trip that will enhance your knowledge of Vaadin UI components and customization techniques.
Table of Contents (17 chapters)
Vaadin 7 UI Design By Example Beginner's Guide
About the Author
About the Reviewers

Time for action – changing themes

Follow these steps to explore the different themes that come with Vaadin:

  1. Open the example application named themes on your IDE.

  2. Run the application. Pretty much the same as the previous examples. Actually, the same we are used to:

  3. Edit the ThemesUI class to match the highlighted code:

    public class ThemesUI extends UI {
       // ...
  4. Run the application.

  5. Aha! That's one small change for code, one giant leap for UI:

  6. Now change the theme to chameleon and check it out:

  7. And one final theme, liferay:


Liferay is an open source enterprise portal. A portal implements most features common to websites, such as, user registration, authorization, community and collaboration. You can develop your own functionality by implementing portlets using Vaadin. For more information, consult JSR-286, the Java specification for portlets technology.

What just happened?

Changing the theme for your application is as easy as annotating your UI class: