Android Developers

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I/O 2019: What's new in Android

Get an overview of the latest developer features in Android, including new features to protect user trust in Android Q, updates for a Kotlin-first development approach, new Jetpack components, and more.

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Watch I/O videos

I/O brings together developers from around the globe for talks, hands-on learning with Google experts, and a first look at Google's latest developer products.

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Android Studio 3.5 Beta

Android Studio 3.5 is the culmination of Project Marble and includes better IDE memory management tools, lower typing latency, and CPU usage optimizations for both the IDE & Android Emulator.

Download Android Studio 3.5 Beta

Start building an app

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

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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.

Get started

Sample code

Jump-start your development using these sample projects

See the samples

Test your app

Verify your app’s behavior and usability before you release

Learn how to test

Quality guidelines

Build a high quality app with these design and behavior guidelines

See the guidelines

Distribute on Google Play

Reach a global audience and earn revenue

Learn about Play

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.