Preface
The arrival of the iPhone changed everything. Or, at the very least, it changed the direction of software development for mobile platforms, which is a pretty big thing. It has spawned an entire generation of copycat devices and brought an entire multibillion-dollar industry to its knees. Despite this, it still fits in your pocket.
Third Edition
There have been a lot fewer changes between the release of iOS 5 and iOS 6 than between the release of iOS 3 and iOS 5, especially since changes to Xcode 4 have now slowed as it has matured. Consequently the changes here in the third edition are less sweeping than they were in the second. Nonetheless, the book you now hold in your hands has been updated to reflect the changes Apple has made to Xcode to support the arrival of the iPhone 5 and iOS 6, as well as discussing the changes in iOS 6 that seemed interesting or relevant to mention as part of a introductory title.
Notes from the Second Edition
The changes made in the second edition reflected the fact that a lot had happened since the first edition was published: the release of the iPad, a major release of Xcode, two revisions of the operating system itself, and the arrival of Apple’s iCloud. That book had therefore been refreshed, renewed, and updated to reflect these fairly fundamental changes to the platform, and all of the example code was rewritten from the ground up for Xcode 4 and iOS 5 using ARC.
Who Should Read This Book?
This book gives a rapid introduction to programming ...
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