Expectations and Technical Requirements

The technical requirements for iOS development are pretty simple: the latest version of Xcode, and a Mac OS X computer that can run it. As of this update in April 2015, that means Xcode 6.3, and a Mac running OS X 10.10 (“Yosemite”).

All code in this book uses the Swift programming language, which is new in Xcode 6, making this book one of the first to offer a thorough guide to using Swift with the iOS frameworks. Since there are no experts on Swift today other than the people who created it, we expect it will be as new to you as it was to us over the summer while we wrote the book (compounded by the fact that we had to reset when each beta of Xcode 6 changed the language). Fortunately, it’s a neat language ...

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