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Developing for Apple Watch by Jeff Kelley

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The Code in This Book

The code in this book is 100% Swift. While it’s still a young language, Swift is clearly the direction in which Apple wants to move, so rather than trying to do both Swift and Objective-C and succeeding at neither, I’ve elected to do this all in one language. The aforementioned book is also in Swift, so it serves as a great introduction to iOS in general and Swift specifically.

Now, Swift is a language that’s always changing, so it’s possible that things will break as new versions of Xcode come out. Fortunately, as a registered Pragmatic Bookshelf customer, you’re in luck! I’ll be keeping the book up-to-date and you’ll be notified whenever we release an update. As of this writing, the current version of Xcode is 6.4, ...

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