Source link: https://github.com/ThePacific/mvc-android
This is one kind of boilerplate for writing android apps using the android official architecture component approach. You can download it, modify it and start building your apps on top of it.
Simple Android view to represent an angle (Goniometry).
Simple View to change Brush Size, Alpha and Color.
Shelf is an easy way to implement repository pattern in your project.
A utility class for converting between different Android display units.
You can manage your application's version update or get your market information more simply.
Simple and easy to use PlaySound.java file lets you generate tone of a particular frequency.