locale_switcher 0.1.0

A widget for switching the locale of your application.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:locale_switcher/locale_switcher.dart';

/// Just useful extension
extension LocaleWithDelegate on Locale {
  /// Get class with translation strings for this locale.
  AppLocalizations get tr => lookupAppLocalizations(this);
}

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return LocaleManager(
      child: MaterialApp(
        locale: LocaleManager.locale.value,
        localizationsDelegates: AppLocalizations.localizationsDelegates,
        supportedLocales: AppLocalizations.supportedLocales,
        title: 'Locale Switcher Demo',
        theme: ThemeData(
          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
          useMaterial3: true,
        ),
        home: MyHomePage(title: LocaleManager.locale.value.tr.example),
      ),
    );
  }
}

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) {
    final loc = AppLocalizations.of(context);
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(loc.counterDescription),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            const Divider(),
            Padding(
              padding: const EdgeInsets.all(20.0),
              child: Center(
                child: SizedBox(
                  width: 400,
                  child: LocaleSwitcher(
                    title: loc.chooseLanguage,
                    // inRow: true,
                  ),
                ),
              ),
            )
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: loc.increment,
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}