CALayerの基本的な使い方

参考

基本
http://www.zuvola.com/wiki/?iPhone/CALayer

プロパティ
http://developer.apple.com/jp/documentation/Cocoa/Conceptual/CoreAnimation_guide/Articles/AnimProps.html#//apple_ref/doc/uid/TP40005942-SW1

アニメーション
http://developer.apple.com/jp/documentation/Cocoa/Conceptual/Animation_Types_Timing/Articles/PropertyAnimations.html

http://blog.moonshine-project.com/ja/?p=486

tips
animationDidStop:finishedの参考
http://d.hatena.ne.jp/captainshadow/20110222/1298352073