I have a UITextField added to an UIAlerView (Kind of adding user to list with nick name, and nickname is asked by the alertview.). Thats work perfect in iOS3, But I cant type to
iOS4 broke all sorts of UIAlertView hacks (er... 'customizations').
I have a custom UIAlertView replacement class on github which supports an input (with UITextField) mode. You're welcome to try it out.
https://github.com/TomSwift/TSAlertView