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m3-buttons
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import 'package:flutter/material.dart'; | |
void main() { | |
runApp(const ButtonApp()); | |
} | |
class ButtonApp extends StatelessWidget { | |
const ButtonApp({Key? key}) : super(key: key); | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
theme: ThemeData( | |
brightness: Brightness.dark, | |
colorSchemeSeed: const Color(0xff8800EC), | |
useMaterial3: true), | |
title: 'Button Types', | |
home: const Scaffold( | |
body: ButtonTypesExample(), | |
), | |
debugShowCheckedModeBanner: false, | |
); | |
} | |
} | |
class ButtonTypesExample extends StatelessWidget { | |
const ButtonTypesExample({Key? key}) : super(key: key); | |
@override | |
Widget build(BuildContext context) { | |
return Padding( | |
padding: const EdgeInsets.all(4.0), | |
child: Row( | |
children: const <Widget>[ | |
Spacer(), | |
ButtonTypesGroup(enabled: true), | |
ButtonTypesGroup(enabled: false), | |
Spacer(), | |
], | |
), | |
); | |
} | |
} | |
class ButtonTypesGroup extends StatelessWidget { | |
const ButtonTypesGroup({Key? key, required this.enabled}) : super(key: key); | |
final bool enabled; | |
@override | |
Widget build(BuildContext context) { | |
final VoidCallback? onPressed = enabled ? () {} : null; | |
return Padding( | |
padding: const EdgeInsets.all(4.0), | |
child: Column( | |
mainAxisAlignment: MainAxisAlignment.spaceEvenly, | |
children: <Widget>[ | |
ElevatedButton(onPressed: onPressed, child: const Text('Elevated')), | |
// Use an ElevatedButton with specific style to implement the | |
// 'Filled' type. | |
ElevatedButton( | |
style: ElevatedButton.styleFrom( | |
// Foreground color | |
onPrimary: Theme.of(context).colorScheme.onPrimary, | |
// Background color | |
primary: Theme.of(context).colorScheme.primary, | |
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)), | |
onPressed: onPressed, | |
child: const Text('Filled'), | |
), | |
// Use an ElevatedButton with specific style to implement the | |
// 'Filled Tonal' type. | |
ElevatedButton( | |
style: ElevatedButton.styleFrom( | |
// Foreground color | |
onPrimary: Theme.of(context).colorScheme.onSecondaryContainer, | |
// Background color | |
primary: Theme.of(context).colorScheme.secondaryContainer, | |
).copyWith(elevation: ButtonStyleButton.allOrNull(0.0)), | |
onPressed: onPressed, | |
child: const Text('Filled Tonal'), | |
), | |
OutlinedButton(onPressed: onPressed, child: const Text('Outlined')), | |
TextButton(onPressed: onPressed, child: const Text('Text')), | |
], | |
), | |
); | |
} | |
} |
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