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 certificates and provisioning, file and directory handling, database management, split views, popovers, graphics drawing and animation are also covered, as are touch screen handling, multitasking, iAds integration, location management, mapKit, local notifications, camera access and video playback support.Throughout this book theory is continually reinforced by extensive use of tutorials and examples for each topic area providing a firm knowledge foundation on which to begin developing iPad applications.