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Flutter Pw Validator package helps you to validate sign in user-entered password with your rules.

Flutter Password Validator #

License Pub Version GitHub stars


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: ^1.4.2

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,
    onFail: yourCallbackFunction
)

Properties #

PropertyDescriptionDefault ValueRequired
controllerTakes your password TextField controllernullYes
minLengthTakes total minimum length of passwordnullYes
uppercaseCharCountTakes minimum uppercase character count that has to include in the password0No
numericCharCountTakes minimum numeric character count that has to include in the password0No
specialCharCountTakes minimum special character count that has to include in the password0No
widthTakes the widget widthnullYes
heightTakes the widget heightnullYes
onSuccessA void callback function that runs when the password is matched with the condition(s)nullYes
onFailA void callback that gets called everytime the password doesn't match with the condition(s)nullNo
defaultColorTakes default state color of the widgetColor(0xFFd3d3d3)No
successColorTakes success state color of the widgetColor(0xFF2ee292)No
failureColorTakes failure state color of the widgetColor(0xFFf9433e)No
stringsA class implementing the default FlutterPwValidatorStringsEnglish FlutterPwValidatorStringsNo

i18n #

If you want to translate this plugin simply implements the FlutterPwValidatorStrings class and pass it to the widget.

class FrenchStrings implements FlutterPwValidatorStrings {
  @override
  final String atLeast = 'Au moins - caractères';
  @override
  final String uppercaseLetters = '- Lettres majuscules';
  @override
  final String numericCharacters = '- Chiffres';
  @override
  final String specialCharacters = '- Caractères spéciaux';
}

FlutterPwValidator(
    // ...
    // your config above
    strings: FrenchStrings()
)

Example Project #

You can use this example project to see how it works. #

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Publisher

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Flutter Pw Validator package helps you to validate sign in user-entered password with your rules.

Homepage

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License

Icon for licenses.MIT (LICENSE)

Dependencies

flutter

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