language_helper 0.12.4

language_helper: ^0.12.4 copied to clipboard

example/lib/main.dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:language_helper/language_helper.dart';

import 'page_asset.dart';
import 'resources/language_helper/language_data.dart';

LanguageData languageDataAdd = {
  LanguageCodes.vi: {
    'This text will be changed when the data added':
        ' Chữ này sẽ thay đổi khi thêm data',
  },
};

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await LanguageHelper.instance.initial(
    data: [LanguageDataProvider.lazyData(languageData)],
    initialCode: LanguageCodes.en,
    isDebug: !kReleaseMode,
  );

  runApp(const App());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      localizationsDelegates: LanguageHelper.instance.delegates,
      supportedLocales: LanguageHelper.instance.locales,
      locale: LanguageHelper.instance.locale,
      home: const MyApp(),
    );
  }
}

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

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

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return LanguageBuilder(
      builder: (_) {
        return Scaffold(
          appBar: AppBar(title: Tr((_) => Text('Hello'.tr))),
          body: Center(
            child: Column(
              children: [
                LanguageBuilder(
                  builder: (context) {
                    return LanguageBuilder(
                      builder: (context) {
                        return Text('Hello'.tr);
                      },
                    );
                  },
                ),
                Text('Hello'.tr),
                ElevatedButton(
                  onPressed: () {
                    if (LanguageHelper.instance.code == LanguageCodes.vi) {
                      LanguageHelper.instance.change(LanguageCodes.en);
                    } else {
                      LanguageHelper.instance.change(LanguageCodes.vi);
                    }
                  },
                  child: const Text('Change language'),
                ),
                Builder(builder: (_) => Text('Hello'.tr)),
                Dialog(child: Text('Hello'.tr)),
                Text('This is @number dollar'.trP({'number': 0})),
                Text('This is @number dollar'.trP({'number': 1})),
                Text('This is @number dollar'.trP({'number': 100})),
                Text('This is a contains variable line $mounted'.tr),
                ElevatedButton(
                  onPressed: () {
                    LanguageHelper.instance.addData(
                      LanguageDataProvider.data(languageDataAdd),
                    );
                  },
                  child: Text(
                    'This text will be changed when the data added'.tr,
                  ),
                ),
                const Divider(),
                ElevatedButton(
                  onPressed: () {
                    Navigator.push(
                      context,
                      MaterialPageRoute(builder: (_) => const OtherPage()),
                    );
                  },
                  child: const Text('Go to Other Page'),
                ),
                ElevatedButton(
                  onPressed: () {
                    Navigator.push(
                      context,
                      MaterialPageRoute(builder: (_) => const PageAsset()),
                    );
                  },
                  child: const Text('Go to Asset Page'),
                ),
              ],
            ),
          ),
        );
      },
    );
  }
}

class OtherPage extends StatelessWidget {
  const OtherPage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: LanguageBuilder(
          builder: (context) {
            return Text('Other Page'.tr);
          },
        ),
      ),
      body: Column(
        children: [
          Tr((_) => Text('Text will be changed'.tr)),
          Text('Text will be not changed'.tr),
          ElevatedButton(
            onPressed: () {
              if (LanguageHelper.instance.code == LanguageCodes.vi) {
                LanguageHelper.instance.change(LanguageCodes.en);
              } else {
                LanguageHelper.instance.change(LanguageCodes.vi);
              }
            },
            child: Tr((_) => Text('Change language'.tr)),
          ),
        ],
      ),
    );
  }
}