is it possible to get the user\'s information, such as apple ID, through the sdk? I am writing an app which will require an account linked to the app user. I want to allow t
It's not (AFAIK) possible. You can only retrieve the device's UDID.
What I've done in the past is link an account on my side with multiple UDIDs on the user's side, so when they install the app on various devices they can just use that single account and it will automatically link that device. Not ideal, but I've not seen a better solution.