http://gank.io/post/560e15be2dca930e00da1083

http://blog.csdn.net/fandong12388/article/details/46603493

http://blog.dreamtobe.cn/2015/04/29/RxJava%E5%AD%A6%E4%B9%A0%E6%95%B4%E7%90%86/

http://twiceyuan.com/2015/09/03/RxAndroid%E5%AD%A6%E4%B9%A0%E8%B7%AF%E7%BA%BF/

http://my.oschina.net/sfshine/blog/519577

http://www.licheedev.com/2015/10/26/rxjava-diao-bao-le/