Excellent blogpost on using clean architecture in Android

https://proandroiddev.com/a-guided-tour-inside-a-clean-architecture-code-base-48bb5cc9fc97

Android: Repository Pattern Retrofit 2 and RxJava 2 (and Room..)

I've written a post on Medium about adding offline functionaity using RxJava

https://medium.com/@rikvanv/android-repository-pattern-using-room-retrofit2-and-rxjava2-b48aedd173c

Lottie: animation library to import Adobe After Effect animation for Android & iOS

Lottie looks like a very promising open source animation tool created by AirBnb to implement Adobe After Effect animation into your Android/iOS/ReactNative app.

- https://airbnb.design/lottie/

- https://medium.com/fueled-android/lottie-android-pie-for-animation-lovers-cd9d608fa039

- https://medium.com/prolific-interactive/the-design-guide-to-winning-developers-hearts-part-1-use-lottie-82545abfb06e

Repository (pattern) usage in Android with RxJava & the New York Times' Store library

There is a great article out there from The Big Nerd Ranch on using the repository pattern /w RxJava:
https://www.bignerdranch.com/blog/the-rxjava-repository-pattern/

Still, if you are trying to implement the repository patter in your own project for a first time it's a lot to wrap your head around. In that case, maybe a very interesting library to take a look at is NYTimes' Store which will make implementing caching, persistant storage and reactive data loading a lot easier for you:

Github:
https://github.com/NYTimes/Store

Advanced RxJava2 for Android

These are two excellent video's for those who want to dig deeper into RxJava on Android.
Couple of interesting patterns are discussed in:

And Jake Wharton talks in depth on handling states with Rx:

Android Architecture Components: Life cycle aware components, LiveData, LifecycleFragments/Activitie, Room and google's guide to app architecture

Some great new components introduced in this Google IO talk:

Also check out github for code samples:
https://github.com/googlesamples/android-architecture-components
And google's guide to app architecture:
https://developer.android.com/topic/libraries/architecture/guide.html

Android studio 3.0 coming! With 'default' Kotlin support, lambda support without need for Jack or retrolambda and more...