This simple app turns your Android phone into a Spark Library Demo App.
To use this app the user just clicks the 'Spark Library Demo App' icon and they are taken right into the app. They are greeted with a title ('Spark Library Demo') on the top. Then in the body the gradient animation effect is shown which automatically repeats itself.
External Library used: io.github.tonyl:spark:0.1.0-alpha
Screen caps and video taken from App running on Google Nexus 5X Android 8.0 Oreo (API level 26).