https://my.oschina.net/androidtest/blog/372278
http://blog.youkuaiyun.com/wirelessqa/article/details/29188513
http://blog.youkuaiyun.com/qq_19299071/article/details/54944485
https://my.oschina.net/androidtest/blog/372278
http://blog.youkuaiyun.com/wirelessqa/article/details/29188513
http://blog.youkuaiyun.com/qq_19299071/article/details/54944485