Solution for https://gist.github.com/hillelcoren/d3c5e27b9e52f9f8560f87ca67cbf751: changing themes on a Flutter Redux without AppBuilder widget
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import 'package:flutter/material.dart'; | |
import 'package:flutter_redux/flutter_redux.dart'; | |
import 'package:redux/redux.dart'; | |
void main() { | |
final store = Store<AppState>( | |
reducer, | |
distinct: true, | |
initialState: AppState(enableDarkMode: false), | |
); | |
runApp(StoreProvider<AppState>( | |
store: store, | |
child: MyApp(), | |
)); | |
} | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return StoreConnector<AppState, bool>( | |
distinct: true, | |
converter: (store) => store.state.enableDarkMode, | |
builder: (_, bool enableDarkMode) { | |
return MaterialApp( | |
theme: ThemeData( | |
brightness: enableDarkMode ? Brightness.dark : Brightness.light, | |
), | |
home: Scaffold( | |
appBar: AppBar( | |
title: Text('Test Redux App'), | |
), | |
body: SettingsView(), | |
), | |
); | |
}, | |
); | |
} | |
} | |
class SettingsView extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return StoreBuilder( // Would use a StoreConnector & ViewModel in the real world | |
builder: (BuildContext context, Store<AppState> store) { | |
final state = store.state; | |
return SwitchListTile( | |
title: Text('Dark Mode'), | |
value: state.enableDarkMode, | |
onChanged: (value) { | |
store.dispatch(UpdateDarkMode(enable: !state.enableDarkMode)); | |
}, | |
secondary: Icon(Icons.settings), | |
); | |
}, | |
); | |
} | |
} | |
// Redux | |
class AppState { | |
AppState({@required this.enableDarkMode}); | |
bool enableDarkMode; | |
} | |
class UpdateDarkMode { | |
UpdateDarkMode({@required this.enable}); | |
final bool enable; | |
} | |
AppState reducer(AppState state, dynamic action) { | |
if (action is UpdateDarkMode) { | |
return AppState( | |
enableDarkMode: action.enable, | |
); | |
} | |
return state; | |
} |
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