iPhone - NavigationBar Custom Background [duplicate]

Answer 1

You can just add a subview (a UIImageView) to the navaigationBar, which is just a UIView subclass.

UINavigationBar nb = [[UINavigationBar alloc]init];
[nb addSubview: foo];
[nb release];

Here's a forum post that describes how to wrap this up into a category: http://discussions.apple.com/thread.jspa?threadID=1649012&tstart=0