Google uses cookies to deliver its services, to personalize ads, and to analyze traffic. You can adjust your privacy controls anytime in your Google settings. Learn more.

Get started
Stay up to date
Samples & codelabs
User interface
Introduction
Widget catalog
Layout
Design & theming
Interactivity
Assets & media
Navigation & routing
Animations & transitions
Accessibility & localization
- Accessibility
- Internationalization
Beyond UI
Data & backend
Platform integration
Packages & plugins
Testing & debugging
Performance & optimization
Deployment
Add to an existing app
Tools & editors
Flutter concepts
Resources
- Learning
- FAQ
- Books
- Videos
- Courses
- Learn Dart
- Contributing
- Create useful bug reports
- Contribute to Flutter open_in_new
- Design documents
- Toolkits
- Casual Games Toolkit
- Flutter News Toolkit
Reference

Multi-Platform
Mobile Web Desktop Embedded
Development
Learn Flutter Favorites Packages Monetization Games News
Ecosystem
Community Events Culture
Showcase
Docs
What's new Editor support Hot reload Profiling Install Flutter DevTools Cookbook Codelabs

Get started

Flutter 3.13 scrolls into view!
Check out the announcement and the what's new page

Get started
- 1. Install
- 2. Set up an editor
- 3. Test drive
- 4. Write your first app
- 5. Learn more
- From another platform?
- Dart language overview open_in_new
Stay up to date
- Upgrade
- SDK archive
- What's new
- Release notes
- Breaking changes
- Compatibility policy
Samples & codelabs
- Flutter Gallery open_in_new
- Samples and demos open_in_new
- Cookbook
- Codelabs
User interface
Introduction
Widget catalog
Layout
- Introduction
- Build a layout
- Lists & grids
- Scrolling
- Adaptive design
Design & theming
- Share styles with themes
- Material design
- Text
- Custom graphics
  - Use custom fragment shaders
Interactivity
- Add interactivity to your app
- Gestures
- Input & forms
- Display a snackbar
- Implement actions & shortcuts
- Manage keyboard focus
Assets & media
- Add assets and images
- Display images from the internet
- Fade in images with a placeholder
- Play and pause a video
Navigation & routing
- Overview
- Add tabs to your app
- Navigate to a new screen and back
- Send data to a new screen
- Return data from a screen
- Add a drawer to a screen
- Setup deep linking
- Setup app links for Android
- Setup universal links for iOS
- Configure web URL strategies
Animations & transitions
- Introduction
- Tutorial
- Implicit animations
- Animate the properties of a container
- Fade a widget in and out
- Hero animations
- Animate a page route transition
- Animate using a physic simulation
- Staggered animations
- Create a staggered menu animation
- API overview
Accessibility & localization
- Accessibility
- Internationalization
Beyond UI
Data & backend
- State management
- Networking & http
- Serialization
  - JSON serialization
  - Parse JSON in the background
- Persistence
- Firebase
- Google APIs
Platform integration
- Supported platforms
- Build desktop apps with Flutter
- Write platform-specific code
- Automatic platform adaptations
- Android
- iOS
- Linux
  - Build a Linux app
- macOS
  - Build a macOS app
  - C interop
- Web
- Windows
  - Build a Windows app
Packages & plugins
- Use packages & plugins
- Develop packages & plugins
- Flutter Favorites
- Package repository open_in_new
Testing & debugging
- Testing
- Testing overview
- Widget testing
- Integration testing
- Unit testing
  - Introduction
  - Mock dependencies
- Test a plugin
- Handle plugin code in tests
- Debugging
- Debugging tools
- Debug your app programmatically
- Use a native language debugger
- Flutter's build modes
- Common Flutter errors
- Handle errors
- Report errors to a service
Performance & optimization
- Overview
- Impeller
- Performance best practices
- App size
- Deferred components
- Rendering performance
- Performance profiling
- Performance profiling for web
- Shader compilation jank
- Performance metrics
- Performance FAQ
- Appendix
Deployment
- Obfuscate Dart code
- Create flavors of an app
- Build and release an Android app
- Build and release an iOS app
- Build and release a macOS app
- Build and release a Linux app
- Build and release a Windows app
- Build and release a web app
- Set up continuous deployment
Add to an existing app
- Introduction
- Add to an Android app
- Add to an iOS app
  - Set up iOS project
  - Add a single Flutter screen
- Debug embedded Flutter module
- Add multiple Flutter instances
- Loading sequence and performance
Tools & editors
- Android Studio & IntelliJ
- Visual Studio Code
- DevTools
- SDK overview
- Flutter's pubspec options
- Automated fixes
- Code formatting
Flutter concepts
- Architectural overview
- Inside Flutter
- Understanding constraints
- Flutter's build modes
- Hot reload
Resources
- Learning
- FAQ
- Books
- Videos
- Courses
- Learn Dart
- Contributing
- Create useful bug reports
- Contribute to Flutter open_in_new
- Design documents
- Toolkits
- Casual Games Toolkit
- Flutter News Toolkit
Reference
- Who is Dash?
- Widget index
- API reference open_in_new
- flutter CLI reference

Widget

Cookbook
Testing
Widget

An introduction to widget testing
Find widgets
Handle scrolling
Tap, drag, and enter text

terms
brand usage
security
privacy
español
社区中文资源
We stand in solidarity with the Black community. Black Lives Matter.

Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the BSD License.