how to set image as background programmatically,iphone

HI all, how to set an image as a wallpaper, programmatically, in iphone?

Suggestions are always appreciated开发者_如何学运维. regards

If you're talking about changing the phone's wallpaper, that's not possible programmatically.

i think i got the answer here

http://tiptopobjectivec.blogspot.com/2010/06/change-wallpaper-programatically.html

setting wallpaper progrmmatically, is undocumented API. so cant use.