Iphone - NSUserDefault settings do not appear on the settings page

I am an iOS development newbie. I am implementing some sample code, but try as I might I do not see my NSUserDefault settings on the settings page. What needs to be 开发者_开发知识库done for that? Also, where do you specify the UI for the settings page?

You need to define your settings bundle, see http://developer.apple.com/library/ios/#DOCUMENTATION/iPhone/Conceptual/iPhoneOSProgrammingGuide/Preferences/Preferences.html