Overcome the vexing issues youll inevitably confront when creating apps for the iPhone, iPad, or iPod touch. By making use of new and revised recipes in this updated cookbook, youll quickly learn the steps necessary to write complete iOS appsincluding ways to store and protect data, enhance and animate graphics, manage files and folders, and take advantage of Passbook.Thoroughly updated for iOS 6 SDK, this cookbook shows you how to use hundreds of techniques to solve problems that developers of all levels commonly face. Each recipe includes sample code you can use right away.