Helps you learn the intricacies and pitfalls involved in building HTML and CSS-based apps that can access GPS tools, calendars, and other mobile features. This book also helps you learn how to deal with platform variations, finicky browsers, CSS compatibility, Ajax design patterns for mobile, and other issues.

A handy, quick-access guide to getting the most out of the iPhone 4 If you love all the great stuff that makes up the Apple digital lifestyle, you no doubt consider your iPhone 4 to be indispensable. The newest edition of iPhone Portable Genius is packed with the information you need to make this wonderful device even better.