Chapter 13
Basic Data Persistence
So far, we’ve focused on the controller and view aspects of the MVC paradigm. Although several of our applications have read data from their own application bundle, only the Bridge Control example in Chapter 12 has stored any data in persistent storage. Every time any of the other sample applications launched, it appeared with exactly the same data it had the first time you launched it. This approach has worked for us up to this point, but in the real world, your applications will need to persist data. When users make changes, they usually like to find those changes when they launch the program again.
A number of different mechanisms are available for persisting data on an iOS device. If you’ve programmed ...
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