The code samples, guides, and API reference you need—whether you're building for phones, watches, tablets, laptops, foldables, TVs, cars, or XR. Take advantage of these resources to develop your app faster and with higher quality.

I'm new to Android
Accelerate your app development by example.
See code
Code in the IDE custom-built for Android.
Write code
Find information about the Android APIs you're using.
Look up code
Use Google's full suite of AI and ML tools to make your apps more useful and intuitive.
Get started with AI on Android

Devices

Build apps that adapt seamlessly to phones, tablets, foldables, and other device form factors. Learn how to create flexible user interfaces that adjust to different screen sizes, orientations, and device postures.
About adaptive layouts
Extend your mobile app to tablets and foldables.
Create an app for watches running Wear OS.
Extend your app for TV viewing.
Build and optimize your app for ChromeOS.
Extend your app for vehicle dashboard use.
Easily make your app compatible with multiple devices.
Tap into and share on-device health and fitness data.
Build immersive and augmented experiences for ground-breaking devices.
Build AI-powered experiences with Gemini, Google's most capable AI model.

Developer centers

New
Level up your productivity app with media, adaptive layouts, and more.
Learn more
Dev center
Learn how to build and extend engaging media experiences to users across Android's multidevice ecosystem.
Learn more
Dev center
You use a game engine for most of your game design and development, but you still need to use Android tools to get the job done.
Learn more
Dev center
Take your health and fitness app to the next level using Health Services with Health Connect.
Learn more
Dev center
Build apps that connect, communicate, and share information.
Learn more

Core areas

The guides you need to write the code for your UI—whether you're using Jetpack Compose or view-based APIs, or migrating from views to Compose.
Develop your UI
Guides
Store, manage, and share data.
Security
Access and protect restricted data and actions.
Security
Manage user identity and related data.
App architecture
Navigate between screens and apps.
Guides
Request actions from other apps.
Guides
Run app tasks in the background.
Guides
Perform long-running background operations.
Guides
Run scheduled operations in the background.
Dev Center
Play and record audio and video.
Dev Center
Easily use the camera.
Guides
Orient your app in the real world.
Guides
Make your app location aware.
Guides
Connect your app through various protocols.
Guides
Maintain backward compatibility.
Google Play
Publish your app to Google Play.

Build and test

Configure your build
Use Android Studio with Gradle to automate and manage the build process.
Configure
Test
Test your app's correctness, functional behavior, and usability before releasing it publicly.
Test

Developer stories

How developers are finding success with Android.
View all stories
See how the Google Photos team increased daily active users by investing in developing responsive layouts across across tablets, foldables, and ChromeOS devices.
Monzo reduced over 9,000 lines of code and improved registration dropout by 5x with CameraX.
After investing in making their Android app work on ChromeOS, Evernote saw those users tripled the time they spent using the app.