Overview
The render package enables exporting Flutter widgets—both static and animated—into various exportable formats, such as images or videos. It allows developers to capture native Flutter UIs directly from the app environment, making it ideal for generating previews, documentation assets, or automated testing outputs. Built for cross-platform use, it supports Android, iOS, and macOS, ensuring consistent rendering across devices. The package integrates seamlessly with Flutter's rendering pipeline, offering a straightforward API for capturing widget trees in real-time.
Use cases
- Generating UI screenshots for documentation
- Creating animated previews of Flutter components
- Automating UI testing with visual validation
- Exporting dynamic widget states to image files
- Producing video recordings of interactive UI flows
Key features
- Supports static and animated widget rendering
- Cross-platform compatibility (Android, iOS, macOS)
- Simple integration via Flutter pub
- Direct access to widget tree rendering
- Exports to multiple file formats
Suitable for
- UI designers needing visual assets
- Test automation engineers
- Documentation creators
- Flutter developers building preview tools
- Apps requiring dynamic content export
Considerations
- Requires platform-specific setup for full functionality
- Performance impact when rendering complex animations
- Limited to supported platforms only
- May need additional configuration for CI/CD pipelines
- Not intended for runtime UI manipulation