What Has Changed in the Fifth Edition?

All of the code in this book is Swift, and an early chapter is devoted to getting you up to speed with this new language. Throughout the book, you will see how to use Swift’s capabilities and features to write better iOS applications. We have come to love Swift at Big Nerd Ranch and believe you will, too.

Other additions include collection views and size classes and improved coverage of Auto Layout, web services, and Core Data.

This edition assumes that the reader is using Xcode 7.1 or later and running applications on an iOS 9 or later device.

Besides these obvious changes, we made thousands of tiny improvements that were inspired by questions from our readers and our students. Every chapter ...

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