Background App Compilation in A/B System Updates
otapreopt_script have been added to explain how to use this tool
for optimizing user apps so they are ready to run after the device reboots
during an A/B system update.
February Android Security Bulletin
The February 2017 Android Security Bulletin has been published along with links to associated fixes. In addition, new build numbers have been published for Nexus 6 running Android 7.0 and 7.1.1 and also Pixel, Pixel XL, Pixel C, Nexus 5X, Nexus 6P, Nexus 9, and Nexus Player running Android 7.1.1 to support the February Android security release.
Android 7.1 CDD
Diagnosing Native Crashes
CTS and CTS Verifier 7.0, 6.0, and 5.1
Android Compatibility Test Suite (CTS) and CTS Verifier 7.0 R5, 6.0 R14, and 5.1 R15 are available for download. These releases contain test fixes and verify security patches up to the December 2016 Public Security Bulletin.
dalvik.annotation.MethodParameters annotation has been added
to AOSP after Android 7.1 that is optional and can be used to provide parameter
metadata such as parameter names and modifiers. See Dalvik
Executable format for a complete description.
Explore the Source
Port Android to Devices
Get help porting the latest Android platform to create compelling devices for your customers. Includes documentation for HAL interfaces and details on core technologies such as Android runtime (ART) and over-the-air (OTA) updates.
Follow these examples and instructions to harden your Android devices against malicious attacks. Find out how the Android security program works and learn how to implement the latest features.
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
Use the Site Feedback button at the bottom of any page to request content improvements or let us know about errors. To contribute your own updates to the site or to view a complete list of site changes, use the AOSP project docs/source.android.com.