1 retrofit 新的通讯 http://square.github.io/retrofit/
2 Retrolambda https://github.com/evant/gradle-retrolambda
3 reactivex 官网 http://reactivex.io/documentation/observable.html
1 retrofit 新的通讯 http://square.github.io/retrofit/
2 Retrolambda https://github.com/evant/gradle-retrolambda