In this book, the world's leading Apple platform development trainers offer a complete, practical, hands-on introduction to iPhone and iPad programming. The authors walk through all the Apple tools and technologies needed to build successful iPhone/iPad/iPod touch Apps, including the iOS 4.3 SDK, the Objective-C language, Xcode 4 tools, Foundation framework, and the classes that make up the iPhone UI framework. The many topics covered in this book include: Easily setting up elegant, efficient user interfaces with UIKit Creating effective visuals, animation, and effects with Core Graphics, Core Animation, and OpenGL Making the most of the iPhone's powerful multi-touch event handling Building location-aware iPhone applications utilizing Core Location, MapKit, and the magnetometer Localizing applications for international use Creating applications that capture audio and play media Storing data in files or SQLite databases This edition has been updated to cover the iPad. New chapters added to this edition include: UIPopoverController and UISplitViewController Blocks and Categories UIGestureRecognizers and Advanced UIScrollView, CATiledLayer Key-Value Coding and Key-Value Observing Push Notifications Unit Testing