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Themes in 3 lines
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| class MyHomePage extends StatefulWidget { | |
| MyHomePage({Key key}) : super(key: key); | |
| @override | |
| _MyHomePageState createState() => _MyHomePageState(); | |
| } | |
| class _MyHomePageState extends State<MyHomePage> { | |
| ThemeMode _themeMode = ThemeMode.system; | |
| @override | |
| Widget build(BuildContext context) { | |
| print('${MediaQuery.of(context).platformBrightness}'); | |
| print('${Theme.of(context).brightness}'); | |
| return Scaffold( | |
| appBar: AppBar(), | |
| body: Column( | |
| mainAxisAlignment: MainAxisAlignment.center, | |
| crossAxisAlignment: CrossAxisAlignment.start, | |
| children: <Widget>[ | |
| Center( | |
| child: Text( | |
| 'System Brightness: ${Get.mediaQuery.platformBrightness.toString()}', | |
| style: TextStyle(fontSize: 20), | |
| ), | |
| ), | |
| SizedBox(height: 24), | |
| Center( | |
| child: Text( | |
| 'Theme Brightness: ${Get.theme.brightness.toString()}', | |
| style: TextStyle(fontSize: 20), | |
| ), | |
| ), | |
| SizedBox(height: 24), | |
| Text( | |
| 'ThemeMode', | |
| style: TextStyle(fontSize: 20), | |
| textAlign: TextAlign.left, | |
| ), | |
| RadioListTile( | |
| title: Text('system'), | |
| value: ThemeMode.system, | |
| groupValue: _themeMode, | |
| onChanged: (value) { | |
| setState(() { | |
| _themeMode = value; | |
| Get.changeThemeMode(_themeMode); //STEP 3 - change themes | |
| }); | |
| }, | |
| ), | |
| RadioListTile( | |
| title: Text('dark'), | |
| value: ThemeMode.dark, | |
| groupValue: _themeMode, | |
| onChanged: (value) { | |
| setState(() { | |
| _themeMode = value; | |
| Get.changeThemeMode(_themeMode); | |
| }); | |
| }, | |
| ), | |
| RadioListTile( | |
| title: Text('light'), | |
| value: ThemeMode.light, | |
| groupValue: _themeMode, | |
| onChanged: (value) { | |
| setState(() { | |
| _themeMode = value; | |
| Get.changeThemeMode(_themeMode); | |
| }); | |
| }, | |
| ), | |
| ], | |
| ), | |
| ); | |
| } | |
| } |
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