If you want to have a look at the animations, then the slides are also available at: http://bit.ly/2QtY3hr
MotionLayout is a new class available in the ConstraintLayout 2.0 library to help Android developers manage motion and widget animation in their application. In this talk, we’ll explore how you can very easily build complex layout animations and motion handling through simple XML code.
Github repository: https://github.com/saurabharora90/MotionLayout-Playground