mvvm

ViewModel
https://developer.android.com/topic/libraries/architecture/viewmodel.html#loaders

Lifecycle Aware Data Loading with Architecture Components
https://medium.com/google-developers/lifecycle-aware-data-loading-with-android-architecture-components-f95484159de4

인터넷에서 돌아다니고 있는 ViewModel 사용법과 구글에서 추구하는 ViewModel 사용법이 좀 다른듯한?
ViewModelProviders 와 LiveData 를 이용!

Agera
Reactive Programming for Android
https://github.com/google/agera
wiki - https://github.com/ZeroBrain/agera-wiki-kr/wiki