A sample application of Android's library WaterfallToolbar.
Published by  Hugo Castelani
Libraries & Demo
4.0 and up
Feb 6, 2018
Waterfall Toolbar Sample APK Description
Made in Kotlin, Waterfall Toolbar is an Android version of Material Design's web component waterfall toolbar. Basically, what it does is dynamize an ordinary Toolbar, increasing and decreasing its shadow when an associated view is scrolled.
See on GitHub: https://github.com/HugoCastelani/waterfall-toolbar