Is that possible to set my iPad or iPhone wallpaper from my application..? [duplicate]

Possible Duplicate:

code to set image as wallpaper in iphone

I have been working on one of app and my client want to set wallpaper from app but i found that it's not possible.if anybody know how to set iPad wallpaper from application than please help me.

No, its not possible for an app that needs to work without jail-breaking.