flutter_localization 0.1.12

Flutter Localization is a package use for in-app localization with map data. More easier and faster to implement and inspired by the flutter_localizations itself.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_localization/flutter_localization.dart';

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

mixin AppLocale {
  static const String title = 'title';

  static const Map<String, dynamic> EN = {title: 'Localization'};
  static const Map<String, dynamic> KM = {title: 'ការធ្វើមូលដ្ឋានីយកម្ម'};
  static const Map<String, dynamic> JA = {title: 'ローカリゼーション'};
}

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final FlutterLocalization _localization = FlutterLocalization.instance;

  @override
  void initState() {
    _localization.init(
      mapLocales: [
        const MapLocale(
          'en',
          AppLocale.EN,
          countryCode: 'US',
          fontFamily: 'Font EN',
        ),
        const MapLocale(
          'km',
          AppLocale.KM,
          countryCode: 'KH',
          fontFamily: 'Font KM',
        ),
        const MapLocale(
          'ja',
          AppLocale.JA,
          countryCode: 'JP',
          fontFamily: 'Font JA',
        ),
      ],
      initLanguageCode: 'en',
    );
    _localization.onTranslatedLanguage = _onTranslatedLanguage;
    super.initState();
  }

  void _onTranslatedLanguage(Locale? locale) {
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      supportedLocales: _localization.supportedLocales,
      localizationsDelegates: _localization.localizationsDelegates,
      home: const SettingsScreen(),
      theme: ThemeData(fontFamily: _localization.fontFamily),
    );
  }
}

class SettingsScreen extends StatefulWidget {
  const SettingsScreen({super.key});

  @override
  State<SettingsScreen> createState() => _SettingsScreenState();
}

class _SettingsScreenState extends State<SettingsScreen> {
  final FlutterLocalization _localization = FlutterLocalization.instance;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(AppLocale.title.getString(context))),
      body: Container(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Current Language: ${_localization.getLanguageName()}'),
            const SizedBox(height: 8.0),
            Text('Font Family: ${_localization.fontFamily}'),
            const SizedBox(height: 8.0),
            Text('Identifier: ${_localization.currentLocale.localeIdentifier}'),
            const SizedBox(height: 64.0),
            Row(
              children: [
                Expanded(
                  child: ElevatedButton(
                    child: const Text('English'),
                    onPressed: () {
                      _localization.translate('en');
                    },
                  ),
                ),
                const SizedBox(width: 8.0),
                Expanded(
                  child: ElevatedButton(
                    child: const Text('ភាសាខ្មែរ'),
                    onPressed: () {
                      _localization.translate('km');
                    },
                  ),
                ),
                const SizedBox(width: 8.0),
                Expanded(
                  child: ElevatedButton(
                    child: const Text('日本語'),
                    onPressed: () {
                      _localization.translate('ja', save: false);
                    },
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}