This is a project where I am using some of the libraries written by the extremely talented group Yalantis (Link -- https://github.com/Yalantis) in an Android project.
They have some incredible projects so I reccommend checking them out if you can.
PGMacDesign/Yalantis-Usage-Samples
This is a repo that is utilizing some of the code bits written by Yalantis (Link in Readme)
JavaApache-2.0