Created
February 3, 2023 12:28
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TextField icons
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// Copyright 2014 The Flutter Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
// Flutter code sample for [TextFormField]. | |
import 'package:flutter/material.dart'; | |
import 'package:flutter/services.dart'; | |
void main() => runApp(const MyApp()); | |
class MyApp extends StatelessWidget { | |
const MyApp({super.key}); | |
static const String _title = 'Flutter Code Sample'; | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
theme: ThemeData( | |
useMaterial3: true, | |
iconButtonTheme: const IconButtonThemeData( | |
style: ButtonStyle( | |
foregroundColor: MaterialStatePropertyAll(Colors.blue), | |
), | |
), | |
), | |
title: _title, | |
home: const MyStatefulWidget(), | |
); | |
} | |
} | |
class MyStatefulWidget extends StatefulWidget { | |
const MyStatefulWidget({super.key}); | |
@override | |
State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); | |
} | |
class _MyStatefulWidgetState extends State<MyStatefulWidget> { | |
@override | |
Widget build(BuildContext context) { | |
return Material( | |
child: Center( | |
child: Shortcuts( | |
shortcuts: const <ShortcutActivator, Intent>{ | |
// Pressing space in the field will now move to the next field. | |
SingleActivator(LogicalKeyboardKey.space): NextFocusIntent(), | |
}, | |
child: FocusTraversalGroup( | |
child: Form( | |
autovalidateMode: AutovalidateMode.always, | |
onChanged: () { | |
Form.of(primaryFocus!.context!).save(); | |
}, | |
child: Wrap( | |
children: List<Widget>.generate(5, (int index) { | |
return Padding( | |
padding: const EdgeInsets.all(8.0), | |
child: ConstrainedBox( | |
constraints: BoxConstraints.tight(const Size(200, 50)), | |
child: TextField( | |
decoration: InputDecoration( | |
errorText: 'error!', | |
prefixIcon: BackButton(onPressed: () {}), | |
suffixIcon: BackButton(onPressed: () {}), | |
), | |
), | |
), | |
); | |
}), | |
), | |
), | |
), | |
), | |
), | |
); | |
} | |
} |
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