Android is an open source software stack created for a wide array of devices with different form factors. Learn more about building and contributing to the platform.
About
Learn more about Android's history and the platform's structure.
Start
Kick-start development and get your environment properly set up.
Download
Learn more about source control tools and download the complete Android OS source code.
Build
Follow step-by-step instructions to build the Android OS locally.
Create
Create and compile your own customizations to the Android OS.
Contribute
Submit your own contributions to the Android Open Source Project.