UIAlertController的正确使用

ActionSheet样式UIAlertController的正确使用

http://daniate.com/2014/06/18/actionsheet%E6%A0%B7%E5%BC%8Fuialertcontroller%E7%9A%84%E6%AD%A3%E7%A1%AE%E4%BD%BF%E7%94%A8/

ios 控制器 modal 学习

http://blog.csdn.net/codywangziham01/article/details/25722553

IOS SDK详解之UIAlertController(IOS8之后替代AlertView和ActionSheet)

http://www.itnose.net/detail/6235874.html

iOS9中UIAlertController的简单使用 ScrollView NSTimer

http://www.tuicool.com/articles/RzAvQzj

UIAlertController

http://www.cocoachina.com/ios/20141219/10701.html