Flutter materialAPP汉化
时间: 2024-06-01 16:04:25 浏览: 24
Flutter MaterialAPP的汉化可以通过修改应用程序的主题来实现。以下是一种常见的汉化方法:
1. 在pubspec.yaml文件中添加flutter_localizations依赖:
```
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
```
2. 在main.dart文件中导入相关库:
```dart
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
```
3. 在MaterialApp中设置本地化支持:
```dart
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
localizationsDelegates: [
AppLocalizations.delegate,
GlobalMaterialLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
],
supportedLocales: [
const Locale('en', ''), // 英文
const Locale('zh', ''), // 中文
],
title: 'My App',
home: MyHomePage(),
);
}
}
```
4. 创建一个AppLocalizations类,用于提供本地化字符串:
```dart
class AppLocalizations {
static const LocalizationsDelegate<AppLocalizations> delegate =
_AppLocalizationsDelegate();
static AppLocalizations of(BuildContext context) {
return Localizations.of<AppLocalizations>(context, AppLocalizations);
}
String get hello {
return Intl.message(
'Hello',
name: 'hello',
desc: 'Greeting',
);
}
}
class _AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
const _AppLocalizationsDelegate();
@override
bool isSupported(Locale locale) {
return ['en', 'zh'].contains(locale.languageCode);
}
@override
Future<AppLocalizations> load(Locale locale) {
return SynchronousFuture<AppLocalizations>(AppLocalizations());
}
@override
bool shouldReload(_AppLocalizationsDelegate old) => false;
}
```
5. 在需要使用本地化字符串的地方,使用AppLocalizations.of(context).hello来获取对应的字符串:
```dart
Text(AppLocalizations.of(context).hello),
```
这样就可以实现Flutter MaterialAPP的汉化了。
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