This is a companion sample app from my talk at AnDevCon titled "Battle-Tested Patterns in Android Concurrency". It demonstrates some good and some not-so-good ways to make use of the threading and concurrency facilities in Android.
You should be able to import the project into Android Studio and build it with the gradle wrapper on the command line.
This software is licensed under the terms the Apache License, Version 2.0. See LICENSE.txt. Do what you will with any of the code here.