iPhone - change the wallpaper? [duplicate]

This question already has answers here: 开发者_StackOverflow社区 Closed 10 years ago.

Possible Duplicate:

change wallpaper via iphone app

How can I change the wallpaper on iPhone using Cocoa Touch/Objective-C ?

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You can't. Apple doesn't provide any public API. You can find answers to this question in other posts like mentioned in the above comment.

change wallpaper via iphone app

How to change the system wallpaper/background of an iOS device with Objective C?

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