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[101-2] Making the login page stateful #6

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Merged
merged 3 commits into from
Apr 18, 2018
Merged

[101-2] Making the login page stateful #6

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bcee0ec
[101] Making login screen stateful.
willlarche Apr 15, 2018
20b2161
[102] Making login stateful.
willlarche Apr 15, 2018
414f18b
[101] Making boilerplate idiomatic.
willlarche Apr 18, 2018
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21 changes: 17 additions & 4 deletions MDC-101/complete/lib/login.dart
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Original file line number Diff line number Diff line change
@@ -1,6 +1,14 @@
import 'package:flutter/material.dart';

class LoginPage extends StatelessWidget {
class LoginPage extends StatefulWidget {
@override
_LoginPageState createState() => new _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
final _usernameController = new TextEditingController();
final _passwordController = new TextEditingController();

@override
Widget build(BuildContext context) {
return new Scaffold(
Expand All @@ -17,14 +25,16 @@ class LoginPage extends StatelessWidget {
],
),
const SizedBox(height: 120.0),
const TextField(
new TextField(
controller: _usernameController,
decoration: const InputDecoration(
filled: true,
labelText: 'Username',
),
),
const SizedBox(height: 12.0),
const TextField(
new TextField(
controller: _passwordController,
decoration: const InputDecoration(
filled: true,
labelText: 'Password',
Expand All @@ -35,7 +45,10 @@ class LoginPage extends StatelessWidget {
children: <Widget>[
new FlatButton(
child: const Text('CANCEL'),
onPressed: null,
onPressed: () {
_usernameController.clear();
_passwordController.clear();
},
),
new RaisedButton(
child: const Text('NEXT'),
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21 changes: 17 additions & 4 deletions MDC-102/complete/lib/login.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,14 @@
import 'package:flutter/material.dart';

class LoginPage extends StatelessWidget {
class LoginPage extends StatefulWidget {
@override
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This is boilerplate and the conventional boilerplate is:

_LoginPageState createState => new _LoginPageState();

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Done!

_LoginPageState createState() => new _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
final _usernameController = new TextEditingController();
final _passwordController = new TextEditingController();

@override
Widget build(BuildContext context) {
return new Scaffold(
Expand All @@ -17,14 +25,16 @@ class LoginPage extends StatelessWidget {
],
),
const SizedBox(height: 120.0),
const TextField(
new TextField(
controller: _usernameController,
decoration: const InputDecoration(
filled: true,
labelText: 'Username',
),
),
const SizedBox(height: 12.0),
const TextField(
new TextField(
controller: _passwordController,
decoration: const InputDecoration(
filled: true,
labelText: 'Password',
Expand All @@ -35,7 +45,10 @@ class LoginPage extends StatelessWidget {
children: <Widget>[
new FlatButton(
child: const Text('CANCEL'),
onPressed: null,
onPressed: () {
_usernameController.clear();
_passwordController.clear();
},
),
new RaisedButton(
child: const Text('NEXT'),
Expand Down