JavaScript is currently the main programming language for the development of Web client, also the core of Ajax technology. And the both win of ECMAScript 5 and HTML5 in the battle over the standard made a large number of proprietary implementations and client extension enter into the official specification, also added a lot of new features for JavaScript to adapt to the future development.

Professional Android 4 Application Development is written by the authoritative Android expert Reto Meier, covers all the latest contents, it is the ideal guide to learn to use the Android 4 SDK to develop mobile application.