Overview
cr_json_widget is a Flutter package that displays a hierarchical tree structure, where each node can be any custom widget. It enables developers to visualize JSON data or nested structures in an interactive and customizable way. The widget supports dynamic expansion and collapse of nodes, making it ideal for debugging, configuration views, or data exploration interfaces. Designed for cross-platform use, it works seamlessly on Android, iOS, Web, macOS, Windows, and Linux. Its flexible architecture allows integration with various data sources and UI components.
Use cases
- Visualizing nested JSON data
- Debugging complex data structures
- Interactive configuration panels
- Data exploration interfaces
- Custom tree-based UIs
Key features
- Supports any widget as a node
- Dynamic expandable/collapsible nodes
- Cross-platform compatibility
- Customizable tree styling
- Easy integration with JSON data
- Extensible for custom rendering
Suitable for
- Developers building debug tools
- UI designers creating data visualization
- Apps requiring hierarchical data display
- Teams working on multi-platform projects
- Projects involving nested configuration data
Considerations
- May impact performance with very large trees
- Requires careful state management for dynamic updates
- Custom node widgets must handle layout constraints
- Limited built-in editing capabilities
- Best suited for read-only or simple interaction scenarios