Please note that the contents of this offline web site may be out of date. To access the most recent documentation visit the online version .
Note that links that point to online resources are green in color and will open in a new window.
We would love it if you could give us feedback about this material by filling this form (You have to be online to fill it)
Android L Developer Preview
Get an early look at the next release and get your apps ready when the platform officially launches.

A New UI Design

Create a consistent experience across mobile and the web with material design , the new Google-wide standard.

Learn about material

A New Runtime

Test your apps and get them ready for ART ( A ndroid R un t ime), the default runtime in the next release.

Learn about ART

Enhanced Notifications

Get control over where notifications appear, how they look, and how they sync to non-handheld devices.

Learn about notifications

Increased Efficiency

Project Volta is our effort to make the platform energy efficient and to give you more control over resource usage.

Learn about Project Volta

See the API overview for more information on the rest of the new and updated features.

Issue Tracker

Let us know when you encounter problems, so we can fix them and make the platform better for you and your users.

Report Issues

Google+

Join the community of Android developers testing out the L Developer Preview and share your thoughts and experiences.

Discuss on Google+

Support and Updates

Updates to the L Developer Preview are delivered in the Android SDK Manager. Check back periodically for news about the changes.

Get Support