mirror of https://github.com/flutter/samples.git
69 lines
2.2 KiB
69 lines
2.2 KiB
// Copyright 2021, the Flutter project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
import 'package:flutter/material.dart';
|
|
|
|
class Credentials {
|
|
final String username;
|
|
final String password;
|
|
|
|
Credentials(this.username, this.password);
|
|
}
|
|
|
|
class SignInScreen extends StatefulWidget {
|
|
final ValueChanged<Credentials> onSignIn;
|
|
|
|
const SignInScreen({
|
|
required this.onSignIn,
|
|
super.key,
|
|
});
|
|
|
|
@override
|
|
State<SignInScreen> createState() => _SignInScreenState();
|
|
}
|
|
|
|
class _SignInScreenState extends State<SignInScreen> {
|
|
final _usernameController = TextEditingController();
|
|
final _passwordController = TextEditingController();
|
|
|
|
@override
|
|
Widget build(BuildContext context) => Scaffold(
|
|
body: Center(
|
|
child: Card(
|
|
child: Container(
|
|
constraints: BoxConstraints.loose(const Size(600, 600)),
|
|
padding: const EdgeInsets.all(8),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Text('Sign in', style: Theme.of(context).textTheme.headline4),
|
|
TextField(
|
|
decoration: const InputDecoration(labelText: 'Username'),
|
|
controller: _usernameController,
|
|
),
|
|
TextField(
|
|
decoration: const InputDecoration(labelText: 'Password'),
|
|
obscureText: true,
|
|
controller: _passwordController,
|
|
),
|
|
Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: TextButton(
|
|
onPressed: () async {
|
|
widget.onSignIn(Credentials(
|
|
_usernameController.value.text,
|
|
_passwordController.value.text));
|
|
},
|
|
child: const Text('Sign in'),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|