Chapter     14

Documents and iCloud

One of the biggest new features added to iOS in the past couple of years is Apple’s iCloud service, which provides cloud storage services for iOS devices, as well as for computers running OS X. Most iOS users will probably encounter the iCloud device backup option immediately when setting up a new device or upgrading an old device to a more recent version of iOS. And they will quickly discover the advantages of automatic backup that doesn’t even require the use of a computer.

Computerless backup is a great feature, but it only scratches the surface of what iCloud can do. What may be even a bigger feature of iCloud is that it provides app developers with a mechanism for transparently saving data to Apple’s ...

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