Navigation Controller
Think about using the Settings app. Better still, open it up and explore a little. You can lay out the content of the Settings app as an inverted tree, with the main screen at the top, and all the content screens as the leaves. Figure 7-1 shows a partial hierarchy with the leaf nodes in italic.
Figure 7-1 Partial settings hierarchy
This is a very common way to organize your content on iPhones and iPod touches. It elegantly solves how to show lots of content in a small space. Settings lets you modify hundreds of options for your iPhone and the apps it contains. Using a hierarchy to “fold” the content works well with both ...
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