Overview
A Flutter widget for creating customizable PIN or OTP input fields using pure Dart with no external dependencies. It provides a clean, intuitive interface for users to enter numeric codes, supporting various styling options and smooth user interactions like auto-focus between fields. Ideal for authentication flows requiring one-time passwords or secure code entry.
Use cases
- One-time password (OTP) entry
- Secure PIN input for login
- Multi-digit verification forms
- Payment code entry
- Account recovery workflows
- Biometric authentication prompts
Key features
- Pure Dart implementation
- No external dependencies
- Customizable styling
- Auto-focus between fields
- Supports keyboard input
- Responsive design across platforms
Suitable for
- Authentication screens
- Two-factor authentication
- Secure form inputs
- Cross-platform apps
- Simple numeric input interfaces
- Developers avoiding third-party libraries
Considerations
- Limited to numeric input only
- No built-in validation
- Requires manual handling of submission logic
- Not suitable for long text inputs
- No support for special characters
- Minimal built-in accessibility features