best_theme 3.0.0

Theme management package for Flutter with light and dark mode support.

example/lib/main.dart

import 'package:example/my_theme.dart';
import 'package:flutter/material.dart';

import 'package:best_theme/best_theme.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});
  @override
  Widget build(BuildContext context) {
    return MyThemeMaterial(
        initialMode: ThemeMode.dark,
        // storage: SharedPrefThemeStorage(),
        builder: (context, mode, lightTheme, darkTheme) => MaterialApp(
              title: 'Flutter Demo',
              themeMode: mode,
              theme: lightTheme,
              darkTheme: darkTheme,
              home: Builder(builder: (context) {
                return const MyHomePage(title: 'Flutter Demo Home Page');
              }),
            ));
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            Switch(
              value: context.isDark,
              onChanged: (value) {
                context.toggleTheme();
              },
            ),
            TextButton(
                onPressed: () {
                  context.setThemeMode(ThemeMode.light);
                },
                child: const Text('Advance Toggle')),
            TextButton(
                onPressed: () {
                  context.setThemeMode(ThemeMode.dark);
                },
                child: const Text('To Dark')),
            Container(
              width: 100,
              height: 100,
              decoration: BoxDecoration(color: context.myColors.color1),
              child: const Text('example'),
            )
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        backgroundColor: Colors.amber,
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

class SharedPrefThemeStorage implements BestThemeStorage {
  static const _key = 'theme_mode_index';

  @override
  Future<ThemeMode?> loadThemeMode() async {
    // final prefs = await SharedPreferences.getInstance();
    // final index = prefs.getInt(_key);
    // if (index != null && index >= 0 && index < ThemeMode.values.length) {
    //   return ThemeMode.values[index];
    // }
    return null;
  }

  @override
  Future<void> saveThemeMode(ThemeMode mode) async {
    // final prefs = await SharedPreferences.getInstance();
    // await prefs.setInt(_key, mode.index);
  }
}