Learn iOS 8 App Development is both a rapid tutorial and a useful reference. You'll quickly get up to speed with Swift, Cocoa Touch, and the iOS 8 SDK. It's an all-in-one getting started guide to building useful apps. You'll learn best practices that ensure your code will be efficient and perform well, earning positive reviews on the iTunes App Store, and driving better search results and more revenue. The iOS 8 SDK offers powerful new features, and this book is the fastest path to mastering them - and the rest of the iOS SDK - for programmers with some experience who are new to iPhone and iPad app development. Many books introduce the iOS SDK, but few explain how to develop apps optimally and soundly. This book teaches both core Swift language concepts and how to exploit design patterns and logic with the iOS SDK, based on Swift and the Cocoa Touch framework.