I’ll show you how to build Android App from sources in the Android Open Source Project source tree.

Create a new project in Android Studio in directory,
e.g. .

Add file to the root directory of your project

Michał Krasowski

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store