i18n_localizations 1.0.2 i18n_localizations: ^1.0.2 copied to clipboard
A simple flutter package for internationalization, angular TranslateService users will love this package.
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:i18n_localizations/i18n_localizations.dart';
import 'package:i18n_localizations/i18n_localizations_delegate.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
final I18nLocalizationsDelegate i18n = I18nLocalizationsDelegate(
supportedLocales: [Locale('en', 'US'), Locale('fr', 'FR')],
pathFile: 'assets/i18n');
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Flutter Demo Home Page'),
supportedLocales: i18n.supportedLocales,
localizationsDelegates: [
i18n,
GlobalMaterialLocalizations.delegate,
GlobalWidgetsLocalizations.delegate
],
localeResolutionCallback: (Locale locale, supportedLocales) {
return i18n.localeResolutionCallback(locale);
},
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
I18nLocalizations.translate(context, "keySimple"),
),
Text(I18nLocalizations.translate(context, "key.child_one")),
Text(I18nLocalizations.translate(
context, "key.child_two.grandchild")),
Text(I18nLocalizations.translate(context, "keyParams",
params: {"testkey": "value"})),
],
),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}