
In any new iPhone Navigation Based application, how can we add a UIButton to UINavigationBar?

UINavigationBar only accepts UIBarButtonItems ..so, see the code below to add a UIBarButtonItem to your UINavigationBar in iPhone navigation based application.
self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStyleBordered target:nil action:nil];
If you are facing any programming issue, such as compilation errors or not able to find the code you are looking for.
Ask your questions, our development team will try to give answers to your questions.