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Sams Teach Yourself: iOS 9 Application Development in 24 Hours, Seventh Edition by John Ray

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Hour 23. Universal Applications and Size Classes

What You’ll Learn in This Hour:

Image What makes a universal application universal

Image How to configure universal applications

Image The use of size classes in application design

The iPhone represented Apple’s first entry into touch-based computing. It was a single device with a single screen size. Man oh man, how times have changed! We now live in a world with the iPhone, the iPhone Plus, iPad, iPad Pro, and—who ...

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