[iOS] UIView Controller Programming Guide for iOS

View Controller Programming Guide for iOS

Navigation controller includes Tab bar controller.
http://ipdevelop.blogspot.com/2009/05/navigation-controller-tab-bar.html
http://21gingerman.wordpress.com/2009/04/06/tutorial-and-sample-code-for-iphone-app-with-tab-bar-and-nav-bar/
http://www.cimgf.com/2009/06/25/uitabbarcontroller-with-uinavigationcontroller-using-interface-builder/