UIView

UIView 详解: http://www.rosoo.net/a/201208/16222.html

UIView(touch事件) :http://iliunian.diandian.com/post/2011-12-27/19291179

在UIView上绘制文本:http://www.2cto.com/kf/201205/133495.html

 UIView的layoutSubviews和drawRect方法何时调用

 http://blog.csdn.net/zzfsuiye/article/details/8807875

UIView的剖析！  http://blog.csdn.net/mengtnt/article/details/6716289

UIView类概述 :http://blog.sina.com.cn/s/blog_916e0cff01014unq.html

UIView Animation实现效果:http://mobile.51cto.com/iphone-285320.htm