Preface

Hard as it is for us to believe, you now hold in your hands (or see on your screen) the fourth edition of this book. In the years since we set out on this journey, we've poured more blood, sweat, and tears than we ever imagined into this book, in an attempt to give developers the best introduction to the fantastic and sometimes surprising world of Cocoa Touch development. We've also had a lot of fun along the way, and we hope that you will, too.

This edition of the book has been rebuilt from the ground up to cover the exciting new changes Xcode 4 brings to the table. Apple reengineered huge portions of Xcode when transitioning from Xcode 3 to Xcode 4, and again as it moved to the current version (as of this writing), Xcode 4.2. We've ...

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