How to make a ActionBar like Google Play that fades in when scrolling

Question

How to make transparent or translucent ActionBar like Google Play that fades in or out when scrolling using windowActionBarOverlay?

Check the f

Answer 1

There is official documentation on how to achieve this effect: https://developer.android.com/training/basics/actionbar/overlaying.html

Edit: There is an open source library ObservableScrollView with a lot of open source demos with different ActionBar effects, including the ones you mentioned. It's a great resource: https://github.com/ksoichiro/Android-ObservableScrollView.