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Description:

flutter pw validator

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: <latest>
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2- Install it #
Install packages from the command line:
flutter pub get
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3- Usage #
First You have to import the file:
import 'package:flutter_pw_validator/flutter_pw_validator.dart';
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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,
lowercaseCharCount: 2,
numericCharCount: 3,
specialCharCount: 1,
width: 400,
height: 150,
onSuccess: yourCallbackFunction,
onFail: yourCallbackFunction
)
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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

lowercaseCharCount
Takes minimum lowercase 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
A void callback function that runs when the password is matched with the condition(s)
null
Yes

onFail
A void callback that gets called everytime the password doesn't match with the condition(s)
null
No

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

strings
A class implementing the default FlutterPwValidatorStrings
English FlutterPwValidatorStrings
No

key
Key to access the widget state and its functions GlobalKey<FlutterPwValidatorState>()
null
No

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()
)
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Example Project #
You can use this example project to see how it works. #