iPad iOS 4 Development Essentials - Xcode 4 Edition contains 48 chapters of in-depth information on the development of apps for the iPad using the iOS 4 SDK and Xcode version 4.Beginning with the basics, this book provides an overview of the iPad hardware and the architecture of both iOS 4 and the iOS SDK. An introduction to programming in Objective-C is provided followed by an in-depth look at the architecture of iPad applications and the design of user interfaces. More advanced topics such as