Build anything on Android

Register now for Android Dev Summit 2019!
Featured

Kotlin/Everywhere

A global series of community-led events - supported by Google and JetBrains - where you can learn more about Kotlin, including using it in Android, Google Cloud Platform, and multi-platform development.

Google I/O 2019

Start building an app

Whether you’re an experienced developer or creating your first Android app, here are some resources to get you started.

Developer guides

Here you'll find a wide range of documentation that teaches you how to build an app, including how to build your first Android app, how to build layouts that adapt to different screens, how to save data in a local database, how to use device sensors and cameras, and much more.

Sample project code Sample code

Jump-start your development using these sample projects

Test your app before you release Test your app

Verify your app’s behavior and usability before you release

App design and behavior guidelines Quality guidelines

Build a high quality app with these design and behavior guidelines

Distribute on Google Play Distribute on Google Play

Reach a global audience and earn revenue

Get started with

Docs

Material Design

Android apps are designed using the Material Design guidelines. These guidelines provide everything you need to know about how to design your app, from the user experience flow to visual design, motion, fonts, and more.
Docs

Google services for Android

Take advantage of the latest Google technologies through a single set of APIs for Android, delivered across Android devices worldwide as part of Google Play services.

Start by setting up the Google Play services library, then build with the APIs for services such as Google Maps, Firebase, Google Cast, Google AdMob, and much more.

Latest news

Latest videos