DsThemeController class

Persists ThemeMode and DsBrand across app restarts using SharedPreferences.

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void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  final ctrl = DsThemeController();
  await ctrl.init();
  runApp(MyApp(controller: ctrl));
}

class MyApp extends StatelessWidget {
  const MyApp({super.key, required this.controller});
  final DsThemeController controller;

  @override
  Widget build(BuildContext context) {
    return ListenableBuilder(
      listenable: controller,
      builder: (_, __) => MaterialApp(
        theme: controller.lightTheme,
        darkTheme: controller.darkTheme,
        themeMode: controller.themeMode,
        home: Scaffold(
          appBar: AppBar(
            actions: [
              DsBrandToggle(
                brand: controller.brand,
                onChanged: controller.setBrand,
              ),
              DsThemeToggle(
                themeMode: controller.themeMode,
                onChanged: controller.setThemeMode,
              ),
            ],
          ),
        ),
      ),
    );
  }
}
Inheritance

Constructors

DsThemeController({ThemeMode defaultThemeMode = ThemeMode.system, DsBrand defaultBrand = DsBrand.violet, Locale defaultLocale = const Locale('en')})

Properties

brand → DsBrand
The currently active DsBrand.
no setter
darkTheme → ThemeData
Convenience getter — the dark ThemeData for the active brand.
no setter
hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
lightTheme → ThemeData
Convenience getter — the light ThemeData for the active brand.
no setter
locale → Locale
The currently active Locale.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
themeMode → ThemeMode
The currently active ThemeMode.
no setter

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
init() → Future<void>
Loads persisted values from SharedPreferences.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
setBrand(DsBrand brand) → void
Updates the DsBrand and persists the choice.
setLocale(Locale locale) → void
Updates the Locale and persists the choice.
setThemeMode(ThemeMode mode) → void
Updates the ThemeMode and persists the choice.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited