my_lang 1.1.0

A library that provides flexible and easy-to-use localization support for Flutter applications.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:my_lang/my_lang.dart';

import 'languages/src.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await myLang.setUp(listLocale: listLocale);
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return ListenableBuilder(
      listenable: myLang,
      builder: (context, child) => MaterialApp(
        locale: myLang.locale,
        supportedLocales: listLocale,
        localizationsDelegates: GlobalMaterialLocalizations.delegates,
        title: myLang.welcomeBack,
        theme: ThemeData(
          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
          useMaterial3: true,
        ),
        home: MyHomePage(title: myLang.welcomeBackNameApp('Wong', 'Lang')),
      ),
    );
  }
}

const listLocale = [Locale('en'), Locale('vi')];

MyLang myLang = MyLang();

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>[
            Text(myLang.youhavepushedthebuttonthismanytimes),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            TextButton(
              onPressed: () async {
                await myLang.loadFile(
                  locale: myLang.locale.isEnglish
                      ? const Locale('vi')
                      : const Locale('en'),
                );
              },
              child: Text(myLang.language),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: myLang.increment,
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}