http://www.jianshu.com/p/d9143a92ad94
http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2015/0605/2996.html
http://blog.csdn.net/u012403246/article/details/44871531
https://github.com/GoldbergM/android-tech-frontier/blob/master/issue-46/%E5%B0%9D%E8%AF%95%E7%BB%93%E5%90%88Mosby%E5%92%8CFlow%E4%BB%A3%E6%9B%BFFragment.md
