hopeful-tundra-5900

readme.md

hopeful-tundra-5900

Created with <3 with dartpad.dev.

main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class EmailForm extends StatelessWidget {
  const EmailForm({
    Key? key,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return ConstrainedBox(
      constraints: const BoxConstraints(maxWidth: 400),
      child: Card(
        child: Padding(
          padding: const EdgeInsets.all(16),
          child: AutofillGroup(
            child: Form(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                mainAxisSize: MainAxisSize.min,
                children: [
                  TextField(
                    autofocus: true,
                    controller: _bob._emailController,
                    keyboardType: TextInputType.emailAddress,
                    autofillHints: const [
                      AutofillHints.email,
                    ],
                    decoration: const InputDecoration(
                      labelText: 'Email',
                    ),
                  ),
                  const SizedBox(height: 16),
                  TextField(
                    obscureText: true,
                    controller: _bob._passwordController,
                    autofillHints: const [
                      AutofillHints.newPassword,
                    ],
                    onSubmitted: (v) => _bob._submit(),
                    decoration: const InputDecoration(
                      labelText: 'Password',
                    ),
                  ),
                  const SizedBox(height: 16),
                  ElevatedButton(
                    onPressed: _bob._submit,
                    child: const Text('Sign up'),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}

final _bob = _Bob();

class _Bob {
  _Bob() {
    _emailController.addListener(() {
      print(
          ['email changed', _emailController.text, _emailController.selection]);
    });
    _passwordController.addListener(() {
      print([
        'password changed',
        _passwordController.text,
        _passwordController.selection
      ]);
    });
  }
  final _emailController = TextEditingController();
  final _passwordController = TextEditingController();

  void _submit() {
    print("done!");
    TextInput.finishAutofillContext(shouldSave: true);
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: const Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: EmailForm(),
      ),
    );
  }
}