flutter_dynamic_theme 1.0.1

Vous permet de spécifier un certain nombre de thèmes de couleurs parmi lesquels l'utilisateur peut choisir. Persiste le thème sélectionné lors des redémarrages de l'application.

example/lib/main.dart

import 'package:flutter/material.dart';

import 'package:flutter/services.dart';
import 'package:flutter_dynamic_theme/flutter_dynamic_theme.dart';
import 'package:flutter_dynamic_theme/theme_switcher_widgets.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return FlutterDynamicTheme(
      defaultBrightness: Brightness.light,
      data: (Brightness brightness) => ThemeData(
        primarySwatch: Colors.indigo,
        brightness: brightness,
      ),
      loadBrightnessOnStart: true,
      themedWidgetBuilder: (BuildContext context, ThemeData theme) {
        return MaterialApp(
          title: 'Flutter Demo',
          theme: theme,
          home: const MyHomePage(title: 'Flutter Demo Home Page'),
        );
      },
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Flutter Dynamic Theme'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            ElevatedButton(
              onPressed: FlutterDynamicTheme.of(context).toggleBrightness,
              child: const Text('Toggle brightness'),
            ),
            ElevatedButton(
              onPressed: changeColor,
              child: const Text('Change color'),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: showChooser,
        child: const Icon(Icons.add),
      ),
      bottomNavigationBar: BottomNavigationBar(
        items: <BottomNavigationBarItem>[
          BottomNavigationBarItem(
            icon: Icon(Icons.insert_drive_file),
            label: 'Tab 1',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.show_chart),
            label: 'Tab 2',
          ),
        ],
      ),
    );
  }

  void showChooser() {
    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return BrightnessSwitcherDialog(
          onSelectedTheme: (Brightness brightness) {
            FlutterDynamicTheme.of(context).setBrightness(brightness);
          },
        );
      },
    );
  }

  void changeColor() {
    FlutterDynamicTheme.of(context).setThemeData(
      ThemeData(
        primaryColor: Theme.of(context).primaryColor == Colors.indigo
            ? Colors.red
            : Colors.indigo,
      ),
    );
  }
}

//region [ Default ]
class MyApp2 extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp2> {
  String _platformVersion = 'Unknown';

  @override
  void initState() {
    super.initState();
    // initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  // Future<void> initPlatformState() async {
  //   String platformVersion;
  //   // Platform messages may fail, so we use a try/catch PlatformException.
  //   try {
  //     platformVersion = await FlutterDynamicTheme.platformVersion;
  //   } on PlatformException {
  //     platformVersion = 'Failed to get platform version.';
  //   }
  //
  //   // If the widget was removed from the tree while the asynchronous platform
  //   // message was in flight, we want to discard the reply rather than calling
  //   // setState to update our non-existent appearance.
  //   if (!mounted) return;
  //
  //   setState(() {
  //     _platformVersion = platformVersion;
  //   });
  // }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Text('Running on: $_platformVersion\n'),
        ),
      ),
    );
  }
}
//endregion