Sams Teach Yourself iPhone Application Development in 24 Hours

Hour 17. Building Rotatable and Resizable User Interfaces

What You’ll Learn in This Hour:

• How to make an application “rotation aware”

• Ways of laying out an interface to enable automatic rotation

• Methods of tweaking interface elements’ frames to fine-tune a layout

• How to swap views for landscape and portrait viewing

You can use almost every iPhone interface widget available, you can create multiple views and view controllers, add sounds and alerts, write files, and even manage application preferences—but until now, your applications have been missing a very important feature: rotatable interfaces. The ability to create interfaces that “look right” regardless of the iPhone’s orientation is one of the key features that users ...