flutter_pipwave_localization 0.0.1+2

flutter_pipwave_localization: ^0.0.1+2 copied to clipboard

example/lib/main.dart

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

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

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

  @override
  Widget build(BuildContext context) {
    return LocalizationProvider(
      startLocale: const Locale('en'),
      assetPath: 'assets/translations',
      downloadedPath: 'example/translations',
      supportedLocales: const [Locale('en'), Locale('es'), Locale('fr')],
      child: const MyApp(),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'PW Localization Example',
      theme: ThemeData(primarySwatch: Colors.blue, useMaterial3: true),
      home: const HomePage(),
      localizationsDelegates: [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
        CustomLocalizationDelegate(
          locale: const Locale('en'),
          supportedLocales: const [Locale('en'), Locale('es'), Locale('fr')],
        ),
      ],
      supportedLocales: const [Locale('en'), Locale('es'), Locale('fr')],
      locale: const Locale('en'),
    );
  }
}

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

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int _itemCount = 0;

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

  void _switchLanguage(String languageCode) {
    // Access the localization service to change locale
    LocalizationProvider.of(context)
        .initialize(
          assetPath: 'assets/translations',
          downloadedPath: 'translations',
          defaultLanguage: 'en',
          locale: Locale(languageCode),
        )
        .then((value) {
          setState(() {
            _itemCount = 0;
          });
        });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(context.tr('app.title')),
        actions: [
          PopupMenuButton<String>(
            onSelected: _switchLanguage,
            itemBuilder: (context) => [
              const PopupMenuItem(value: 'en', child: Text('English')),
              const PopupMenuItem(value: 'es', child: Text('Español')),
              const PopupMenuItem(value: 'fr', child: Text('Français')),
            ],
          ),
        ],
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              context.tr('welcome.message', args: {'name': 'John'}),
              style: Theme.of(context).textTheme.headlineSmall,
            ),
            const SizedBox(height: 20),
            Text(
              context.tr('items.countInLine', args: {'count': _itemCount}),
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            Text(
              context.tr('items.countInObject', args: {'count': _itemCount}),
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            const SizedBox(height: 20),
            Text(
              context.tr('common.loading'),
              style: Theme.of(context).textTheme.bodyLarge,
            ),
            const SizedBox(height: 40),
            ElevatedButton(
              onPressed: _incrementCounter,
              child: Text(context.tr('actions.increment')),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          // Demonstrate downloading language files (if server is available)
          LocalizationService.instance
              .downloadLanguageFiles('https://api.example.com/translations', [
                'en',
                'es',
                'fr',
              ])
              .catchError((error) {
                // Handle error gracefully - in a real app you'd show user feedback
                debugPrint('Download failed: $error');
              });
        },
        tooltip: context.tr('actions.download'),
        child: const Icon(Icons.download),
      ),
    );
  }
}