Are you running into problems trying to build an app for the iPhone, iPad, or iPod Touch? This cookbook has the solutions you need, no matter how much experience you have with the iOS 4 SDK. Each recipe tackles a specific problem with a clear solution and sample code that you can use right away. You also get a detailed discussion of why the solution works, as well as the tradeoffs and alternatives that exist. The author uses his extensive real-world experience with iPhone apps to guide you through the maze of technologies in the iOS SDK. You'll find recipes to help you confront obstacles through the entire development process, from initial idea all the way to the App Store. Get solutions for problems faced by beginning, intermediate, and advanced developers Find recipes for using Xcode, Interface Builder, Cocoa, and other iOS SDK technologies Deal with real-life development problems -- not just theory Learn about the little things in the iOS SDK that make developers' lives easier Discover ways to use MapKit, Core Motion, AVFoundation, Core Data, Event Kit, and other iOS 4 frameworks Learn about multitasking, address book, gesture recognizers, table views and many other iOS features