How to change wallpaper in iPad programmatically?

How to change wallpaper in iPad programmatic开发者_C百科ally?

You can't do this. The user decides what wall paper s/he wants and has one, single place to change it. You can, however, add new items to the user's saved photos list, which they can choose from when they change their wallpaper.

Apparently, it is possible: see this link:

You can save pictures to your iPad's photo album or directly to wallpaper -- a neat feature.

Quite likely, it's a private api, that only Apple can use in their iAds, but I'm still interested in how they accomplish that.

As far as I know, iAds are basically just little HTML5 web sites, so, the call would be part of the html code. It shouldn't be to difficult to figure out what's going on.