pwd_field_validator 0.0.2

With this package you can have a nice, cool and validated password text fields in your application.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:pwd_field_validator/pwd_field_validator.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Password Validator Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: Example(),
    );
  }
}

class Example extends StatefulWidget {
  const Example({Key? key}) : super(key: key);

  @override
  _ExampleState createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  bool _validPassword = false;
  final TextEditingController pwdController = TextEditingController();
  String _passwordStrength = "";

  final _formKey = GlobalKey<FormState>();

  void _checkPasswordStrength(String password) {
    if (password.length >= 8) {
      setState(() {
        _passwordStrength = "Strong";
      });
    } else if (password.length >= 4) {
      setState(() {
        _passwordStrength = "Medium";
      });
    } else {
      setState(() {
        _passwordStrength = "Weak";
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Password Validated Field"),
      ),
      body: Form(
        key: _formKey,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            _validPassword
                ? const Text(
                    "Password Valid!",
                    style: TextStyle(fontSize: 22.0),
                  )
                : Container(),
            PwdFieldValidator(
              controller: pwdController,
              onChanged: (password) {
                _checkPasswordStrength(password);
              },
            ), // password validated field from package
            Text(
              "Password Strength: $_passwordStrength",
              style: const TextStyle(fontSize: 18.0),
            ),
            // Button to validate the form
            ElevatedButton(
                onPressed: () {
                  if (_formKey.currentState!.validate()) {
                    setState(() {
                      _validPassword = true;
                    });
                  } else {
                    setState(() {
                      _validPassword = false;
                    });
                  }
                },
                child: Text("Check password!")),
          ],
        ),
      ),
    );
  }
}

// Review changes here and commit or revert them