Increased Disk Space Requirements
The amount of available disk space required to build Android has been increased to a minimum of 100GB in Downloading and Building.
Compatibility Test Suite User Instructions
The Compatibility Test Suite (CTS) User Manual previously presented as a PDF has been converted to native web pages and updated to improve clarity.
Hardware Abstraction Layer References
Example Dumpsys Diagnostic Output
Audio Latency Measurements
The Android audio team has published round-trip audio latency measurements for select Nexus devices to help partners compare their own devices and reduce latency further.
Power Profile Details
information has been moved and expanded to include details on
cpu.active. The need to create a
power_profile.xml file is also emphasized throughout.
Explore the Source
Get the complete Android platform and modify and build it to suit your needs. You can also contribute to the Android Open Source Project (AOSP) repository to make your changes available to everyone else in the Android ecosystem.
Port Android to Devices
Port the latest Android platform and create compelling devices that your customers want.
Sometimes, a device can't do it all. Tap into Android's open accessory standard and build accessories to complement the wide variety of Android-powered devices.
Being Android-compatible lets you offer custom features but still give users and developers a consistent and standard experience across all Android-powered devices. Android provides guidance and a test suite to verify your Android compatibility.
Help this Site
Please note, source.android.com is maintained in the Android Open Source Project. See the docs/source.android.com project log in AOSP for the complete list of changes to this site. Contribute your own updates to that same project and help maintain source.android.com.