Flutter Password Validator
Flutter Password Validator package helps you to validate sign-in user-entered passwords with your rules.
How to use
1- Depend on it
Add it to your package’s pubspec.yaml file:
dependencies: flutter_pw_validator: ^1.2.1
2- Install it
Install packages from the command line:
flutter pub get
3- Usage
First You have to import the file:
import 'package:flutter_pw_validator/flutter_pw_validator.dart';
And then just put it right under your password TextField and pass the controller to that:
new TextField(
controller: _passwordController
),
new FlutterPwValidator(
controller: _passwordController,
minLength: 6,
uppercaseCharCount: 2,
numericCharCount: 3,
specialCharCount: 1,
width: 400,
height: 150,
onSuccess: yourCallbackFunction
)
Properties
| Property | Description | Default Value | Required |
|---|---|---|---|
| controller | Takes your password TextField controller | null | Yes |
| minLength | Takes total minimum length of password | null | Yes |
| uppercaseCharCount | Takes minimum uppercase character count that has to include in the password | 0 | No |
| numericCharCount | Takes minimum numeric character count that has to include in the password | 0 | No |
| specialCharCount | Takes minimum special character count that has to include in the password | 0 | No |
| width | Takes the widget width | null | Yes |
| height | Takes the widget height | null | Yes |
| onSuccess | Takes a void callback function that runs when the password is matched with condition(s) | null | Yes |
| defaultColor | Takes default state color of the widget | Color(0xFFd3d3d3) | No |
| successColor | Takes success state color of the widget | Color(0xFF2ee292) | No |
| failureColor | Takes failure state color of the widget | Color(0xFFf9433e) | No |
Example Project
You can use this example project to see how it works.
Download Flutter Password Validator package source code on GitHub
Provides the list of the opensource Flutter apps collection with GitHub repository.
