void main() {
	initializeDateFormatting("ja_JP");
	runApp(const MyApp());
}

class MyApp extends StatelessWidget {
	const MyApp({Key? key}) : super(key: key);

	@override
	Widget build(BuildContext context) {
		return FastThemeScope(
			accentColor: Colors.green,
			themeMode: ThemeMode.system,
			builder: (context, lightTheme, darkTheme, mode) {
				return MaterialApp(
					title: 'Fast White Theme',
					theme: lightTheme,
					darkTheme: darkTheme,
					themeMode: mode,
					home: SampleListPage(),
				);
			});
	}
}

void main() {
  runApp(FastTheme(
    accentColor: Colors.pink,
    child: MyApp(),
  ));
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: FastTheme.of(context).theme,
      home: SampleListPage(),
    );
  }
}

FastTheme.of(context).changeTheme(Brightness brightness);

FastTheme.of(context).changeAccent(MaterialColor color);

class MyCustomColors extends CustomColors<MyColors> {
  final MaterialColor _accent;
  MyCustomColors(this._accent)
      : super({
          MyColors.paleBackground: SwitchableColor(
              light: _accent.shade200, dark: _accent.shade800.withAlpha(50)),
          MyColors.paleNonColoredBackground:
              SwitchableColor(light: Color(0xFFEBEBEB), dark: Color(0xFF1F1F1F))
        });
}

enum MyColors { paleNonColoredBackground, paleBackground }

FastThemeScope(
...
  customColors: MyCustomColors(Colors.green),
...
);

FastTheme.of(context).getCustomColor<MyColors>(MyColors.paleBackground);