Flutter Password Validator

Flutter Password Validator package helps you to validate user-entered passwords in your flutter app.
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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
Yml

2- Install it

Install packages from the command line:

flutter pub get
Sh

3- Usage

First You have to import the file:

import 'package:flutter_pw_validator/flutter_pw_validator.dart';
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
)
Dart

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

GitHub

https://github.com/ArefMozafari/flutter_pw_validator