These are iPhone sample codes which doesn't use Interface Builder.

UIView
 [View]                  generate UIView
 [Touch]                 touch event detection
 [SwipeGesture]          swipe gesture detection
 [Transition]            Core Animation transition

UITableView
 [SimpleTableView]       generate UITableView
 [SimpleTableView2]      a combination of UITableView and UINavigationController
 [SimpleTableViewCell]   customize UITableViewCell
 [TableViewEdit]         edit(delete/move) UITableView

UITabBarController
 [SimpleTabBar]          generate UITabBarController
 [NavigationWithTabBar]  a combination of UITabBarController and UINavigationController
 [CustomizeTabBarImg]    customize UITabBar's background

UIImagePicker
 [SimpleCamera]          camera sample

CoreLocation
 [LocationTest]          location sample

SQLite
 [SQLiteTest]            SQLite sample by using FMDB library

Parsing
 [JsonTest]              analyze JSON
 [Libxml2Test]           analyze XML by using XPath
 [NSXMLParserTest]       analyze XML by using NSXMLParser

Application
 [FlickrSample]          asynchronous loading (flickr API Key is required)