flutter_localization 0.1.8

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';

import 'primary_button_widget.dart';

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

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),
        const MapLocale('km', AppLocale.KM),
        const MapLocale('ja', AppLocale.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(),
    );
  }
}

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

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

class _SettingsScreenState extends State<SettingsScreen> {
  final FlutterLocalization _translator = 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 is: ${_translator.getLanguageName()}'),
            const SizedBox(height: 64.0),
            Row(
              children: [
                Expanded(
                  child: PrimaryButtonWidget(
                    label: AppLocale.title.getString(context),
                    onPressed: () => _translator.translate('en'),
                  ),
                ),
                Expanded(
                  child: PrimaryButtonWidget(
                    label: AppLocale.title.getString(context),
                    onPressed: () => _translator.translate('km'),
                  ),
                ),
                Expanded(
                  child: PrimaryButtonWidget(
                    label: AppLocale.title.getString(context),
                    onPressed: () => _translator.translate('ja'),
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

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'};
}