This popular cookbook, thoroughly updated in response to reader requests and new developments in iOS 5, helps you solve the vexing, real-life issues you're likely to face when creating apps for the iPhone, iPad, or iPod Touch. This edition contains more than 100 new recipes, each providing a clear solution and sample code that you can use right away. The focus of this book is to teach you how to write iOS apps, whether they're as simple as a music player or as complex as an app that mixes animations, graphics, multimedia, database, and cloud storage. You'll learn about iCloud, Automatic Reference Counting, storyboarding, Interface Builder, creating ad-hoc and simulator builds, provision profiles, graphics, animations, Grand Central Dispatch, Operations and Operation Queues, threads, timers, audio and video and many other iOS 5 tools and techniques. Topics include: * Automatic Reference Counting to drastically cut down the time required to write your iOS apps * iCloud to synchronize users' data to the cloud * Storyboarding to simplify creating your User Interface * UI components, including picker views, data pickers, web views, popovers, activity indicators, progress views, sliders, alerts, switches, and many more * Grand Central Dispatch to write blazingly fast iOS apps without having to worry about creating threads * The all-new asynchronous and synchronous network APIs * Using block-based animations and integrating graphical assets into your apps