Build Realtime Apps. A powerful API to store and sync data in realtime.

The Android framework provides MediaPlayer as a quick solution for playing media with minimal code, and the MediaCodec and MediaExtractor classes are provided for building custom media players. ExoPlayer is an open source project that provides a solution falling somewhere between these two options. It is a player that you can modify and extend. ExoPlayer supports features not currently provided by MediaPlayer, including Dynamic adaptive streaming over HTTP (DASH), SmoothStreaming and Common Encryption. It's designed to be easy to customize and extend, allowing many components to be replaced with custom implementations. Because ExoPlayer is a library that you include in your application, it can be easily updated along with your app.

All APIs for communicating with the Android system.

A collection of low level libraries to help make mobile app development easier.

A cache that uses a bounded amount of space on a filesystem.

DoubleClick is the ad technology foundation to create, transact, and manage digital advertising for the world's buyers, creators and sellers. Available for iOS and Android

The Google Analytics SDK for Android makes it easy for native Android developers to collect user engagement data from their applications. Developers can then use the Google Analytics reports to measure: The number of active users are using their applications. From where in the world the application is being used. Adoption and usage of specific features. Crashes and exceptions. In-app purchases and transactions. And many other useful metrics... The Google Analytics SDK also gives you the tools to monitor the success of mobile marketing campaigns. Connect user interactions with paid ads, Google Play downloads, and subsequent in-app usage and Ecommerce transactions. Google Analytics provides a powerful platform to measure and optimize all of your application marketing efforts.

Google Play services offers a standard authorization flow for all Google APIs and all components of Google Play services. In addition, you can leverage the authorization portion of the Google Play services SDK to gain authorization to services that are not yet supported in the Google Play services platform by using the access token to manually make API requests or using a client library provided by the service provider.

Google Cast is a technology that enables multi-screen experiences and lets a user send and control content like video from a small computing device like a phone, tablet, or laptop to a large display device like a television.

The Google Mobile Ads SDK is the latest generation in Google mobile advertising featuring refined ad formats and streamlined APIs for access to mobile ad networks and advertising solutions. The SDK enables mobile app developers to maximize their monetization on Android, iOS, and Windows Phone 8.

Make your games social with Google Play game services. Add achievements, leaderboards, real-time multiplayer, and other popular features using the Google Play game services SDK. Let players sign in using their Google+ identities and share their gaming experience with friends. Visit developers.google.com/games/services for more information about integrating game services into your app.