아이폰 UI 싸이즈

http://www.idev101.com/code/User_Interface/sizes.html

//가로 세로 모드에서의 싸이즈 변화
http://www.vickiwenderlich.com/2011/07/basic-iphone-ipad-screen-component-pixel-dimensions/

//애플 문서
http://developer.apple.com/library/ios/#documentation/userexperience/conceptual/mobilehig/IconsImages/IconsImages.html

//무니만개발자님의 블로그
http://j2enty.com/entry/iOS-%EC%9D%B8%ED%84%B0%ED%8E%98%EC%9D%B4%EC%8A%A4%EB%B9%8C%EB%8D%94-%EC%82%AC%EC%9A%A9%EC%8B%9C-%EC%9C%A0%EC%9D%98%EC%82%AC%ED%95%AD-%EB%B0%8F-Control-%EC%82%AC%EC%9D%B4%EC%A6%88