Preface
This edition of the book is not just an update, but a total remake of the previous edition. iOS 7 changed everything: the look and feel, the way we use our iOS devices, and most importantly, the way we program for iOS devices. This called for a substantial rewrite indeed. I have added roughly 50 new recipes to this book, talking about things such as UIKit dynamics, collection views, the keychain, push notifications, and whatnot. I have also gone through all the example codes and figures and updated them for iOS 7.
iOS 7 is a huge step forward for this amazing operating system that we all, as programmers and users, have grown to love and enjoy programming for. You must have noticed how the focus of iOS 7 is on being dynamic: how your UI should adapt to various movements and motions that can be applied to the device. What I mean by that is Apple wants developers to really look at the details of their apps and bring real-world physics and dynamics into them. That’s why Apple introduced UIKit Dynamics to the SDK, and that is why this book has a whole chapter dedicated to this concept. The more expensive a high-end device such as the new iPhone becomes, the more demanding the users will get as well. Nobody blames them, though! They have just bought a fantastic and top-of-the-line new iPhone or iPad and they want to see amazing apps running on them, leveraging all the capabilities that those devices have to offer.
That is why now more than ever developers have to get an in-depth ...
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