Overview
The mask package provides a simple and efficient way to apply formatting and validation to user input in Flutter applications. It supports autoformatting for text fields, such as phone numbers, CPF/CNPJ, dates, and custom patterns, ensuring data consistency. With minimal setup, developers can enhance form inputs with real-time masking and validation logic across multiple platforms. The package is ideal for forms requiring structured input, improving both usability and data integrity.
Use cases
- Form input formatting
- Phone number masking
- CPF/CNPJ validation
- Date and time formatting
- Custom pattern application
- Real-time input validation
Key features
- Easy integration with TextFormField
- Supports multiple predefined masks
- Custom mask creation
- Cross-platform compatibility
- Real-time input processing
- Lightweight and performant
Suitable for
- Flutter apps with form inputs
- Applications requiring data validation
- Developers seeking simple masking solutions
- Projects targeting Android, iOS, Web, macOS, Windows, and Linux
- Apps needing consistent user input formatting
Considerations
- Requires manual configuration for complex patterns
- Limited built-in masks beyond common formats
- May need additional validation logic for edge cases
- Not designed for non-text input types
- Depends on correct usage of TextController and onChanged