The Developer Preview for Android 11 is now available; test it out and share your feedback.

Android 9 Pie

Android 9 harnesses the power of artificial intelligence to give you more from your phone. Now it's smarter, faster and adapts as you use it.

Android 9 Pie logo

Make your apps compatible

Test your apps for compatibility with Android 9. Just download a device system image, install your current app, and test in areas where behavior changes may affect the app. Update your code and publish, using the app's current platform targeting.

Download a system image

How to get Android 9 for your Pixel device

Behavior changes

System changes that affect all apps on Android 9

Compatibility testing

Easy steps to reach compatibility

What's in Android 9?

Get started with Android 9!

Start by targeting Android 9 and supporting its behavior changes. When you're ready, extend your apps with new features and APIs.

Targeting Android 9

Studio setup and how to target Android 9

Behavior changes for apps targeting API 28+

System changes for apps targeting Android 9

Android 9 features

Extend your apps with Android 9

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