Get up to speed on Cocoa and Objective-C for developing Mac OS X, iPhone, iPad, and iPod touch applications. If you don't have experience developing on the Apple platform, no problem. This updated book covers everything you need to get started - from object-oriented programming to working with iCloud. In addition to learning the basics of Cocoa and Objective-C, the two foundational technologies underlying Apple's development platforms, you'll also learn how to use Apple's Xcode Integrated Development Environment (IDE). Each chapter presents a different sample program for you to build, with easy-to-follow, step-by-step instructions to teach you the fundamentals of Cocoa programming. Learn about technologies like blocks, properties and Automatic Reference Counting Discover the similarities and differences between Mac OS X and iOS Examine real-world applications of advanced Cocoa and Cocoa Touch features