SELinux neverallow Rules
New guidance has been offered on the use of Security-Enhanced Linux (SELinux)
rules, which prohibit behavior that should never occur.
Build Numbers for Nexus 6 and 7
Build numbers LYZ28E and LMY48G have been added for Nexus 6 (T-Mobile ONLY) and Nexus 7 (flo), respectively.
Security Updates and Resources
Sign OTA Packages and Release Keys
5.1 Compatibility Definition Document
The Android 5.1 Compatibility Definition Document (CDD) has been published to reflect the requirements of the latest version of Android.
Device Administration Introduction
MIDI and Audio Latency for Developers
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.