This project reproduces source code showed by Chet Haase and Yigit Boyar on talk: RecyclerView Animations and Behind the Scenes (Android Dev Summit 2015)
It's not official source code from Googlers.
- Default add/remove/change actions
- Custom RecyclerView.ItemAnimator
Video from working app
Want more about RecyclerView animations? Check my blog post about implementing them in InstaMaterial project: http://frogermcs.github.io/instamaterial-recyclerview-animations-done-right/