http://www.cocoachina.com/bbs/read.php?tid=141387
http://www.cocoachina.com/bbs/read.php?tid-143720.html
Xcode 7免证书真机调试
http://ios.itcast.cn/news/20150907/14445174114.shtml
UI进阶
原文：http://www.cnblogs.com/modaoyicheng/p/4829044.html
