Learn to write apps for some of today's hottest technologies, including the iPhone and iPad (using iOS), as well as the Mac (using OS X). It starts with Objective-C, the base language on which the native iOS software development kit (SDK) and the OS X are based. Learn Objective-C on the Mac: For OS X and iOS, Second Edition updates a best selling book and is an extensive, newly updated guide to Objective-C. Objective-C is a powerful, object-oriented extension of C, making this update the perfect follow-up to Dave Mark’s bestselling Learn C on the Mac. Whether you’re an experienced C programmer or you’re coming from a different language such as C++ or Java, leading Mac experts Scott Knaster and Waqar Malik show how to harness the power of Objective-C in your apps! A complete course on the basics of Objective-C using Apple’s newest Xcode tools An introduction to object-oriented programming Comprehensive coverage of new topics like blocks, GCD, ARC, class extensions, as well as inheritance, composition, object initialization, categories, protocols, memory management, and organizing source files An introduction to building user interfaces using what is called the UIKit A primer for non-C programmers to get off the ground even faster What you’ll learn Learn Objective-C programming, the gateway to programming your iPhone, iPad or Mac Write apps for the iOS and/or OS X interfaces, the cleanest user-interfaces around Understand variables and how to design your own data structures Work with the new Objective-C features now available in this update like blocks, automated reference counting (ARC) and class extensions Work with new tools available like Clang static analyzer and Grand Central Dispatch (GCD) Undertand UIKit and how to build simple user interfaces easily and effectively Explore using the latest Xcode Who this book is for For anyone wanting to learn to program native apps in iOS and/or OS X, including developers new to the iOS-based iPhone and iPad as well as OS X-based Mac computers. This book is for developers new to Objective-C, but who have some programming experience. Table of Contents Hello Extensions to C Introduction to Object-Oriented Programming Inheritance Composition Source File Organization and Using Xcode 4 More About Xcode A Quick Tour of the Foundation Kit Memory Management and ARC Object Initialization Properties Categories Protocols Blocks and Concurrency Introduction to UIKit Introduction to the Application Kit File Loading and Saving Key-Value Coding Using the Static Analyzer NSPredicate Appendix: Coming from Other Languages