Skip to content

Most visited

Recently visited


Android Studio 2.2 is here!

The latest version of Android Studio includes a rewritten layout editor with the new constraint layout, helping you build rich UI with less work.

There are 20+ new features in Android Studio 2.2, helping you code faster and smarter.

Get Android Studio 2.2      See the release notes


Tools for building apps

Insights into Android's tools and libraries to speed your development.

Android development patterns

Fundamental components and best practices that can help you build better apps.

Android performance patterns

Everything you need to know about improving your app’s performance.

Ubiquitous computing on Android

A great experience for your users across devices.

Online Courses

Free online courses from Android experts that bring you step-by-step to building your own apps.
This site uses cookies to store your preferences for site-specific language and display options.


This class requires API level or higher

This doc is hidden because your selected API level for the documentation is . You can change the documentation API level with the selector above the left navigation.

For more information about specifying the API level your app requires, read Supporting Different Platform Versions.