Overview
The prefs package is a Flutter library that leverages the shared_preferences plugin to enable cross-platform storage and retrieval of app preferences on Android, iOS, Web, macOS, Windows, and Linux. It provides a simple, consistent API for saving key-value pairs, making it ideal for managing user settings, app state, or configuration data. The package abstracts platform-specific details, ensuring reliable behavior across all supported platforms. It's lightweight and designed for straightforward use in apps requiring persistent local storage.
Use cases
- Storing user preferences
- Saving app settings
- Persisting login status
- Managing theme preferences
- Tracking user onboarding state
Key features
- Cross-platform compatibility
- Simple key-value storage
- Automatic serialization
- Platform-agnostic API
- Lightweight and fast
Suitable for
- Small-scale persistent data
- User preference management
- App configuration storage
- Quick prototyping
- Basic state persistence
Considerations
- Not suitable for large datasets
- Limited query capabilities
- No built-in data validation
- Data stored as strings only
- Not secure for sensitive information