Foreword

I have been working with the iPhone SDK (now iOS SDK) since the first beta released in 2008. At the time, I was focused on writing desktop apps for the Mac and hadn’t thought much about mobile app development.

If you chose to be an early adopter, you were on your own. In typical Apple fashion, the documentation was sparse, and since access to the SDK required an NDA—and, apparently, a secret decoder ring—you were on your own. You couldn’t search Google or turn to StackOverflow for help, and there sure as hell weren’t any books out yet on the SDK.

In the seven years (yes, it really has been only seven years) since Apple unleashed the original iPhone on the world, we’ve come a long way. The iPhone SDK is now the iOS SDK. There are dozens ...

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