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flutter - 在 Flutter 应用程序中设置默认语言

问题描述

我正在尝试在我的应用程序中支持多种语言。我想在我的应用程序中支持两种语言：英语 (en) 和 Bahasa (id)。但是，我希望我的应用程序使用 Bahasa 作为默认语言。我尝试使用插件easy_localization来做到这一点。

这是我的 main.app 文件中的一些代码 

return EasyLocalizationProvider(
      data: data,
      child: MaterialApp(
        debugShowCheckedModeBanner: false,
        title: APP_NAME,

        localizationsDelegates: [
          GlobalMaterialLocalizations.delegate,
          GlobalWidgetsLocalizations.delegate,
          //app-specific localization
          EasylocaLizationDelegate(
              locale: data.locale,
              path: 'assets/strings'
          ),
        ],
        navigatorKey: locator<NavigationService>().navigatorKey,

        supportedLocales: [ Locale('id', 'ID'), Locale('en', 'US')],
        locale: data.savedLocale,


        theme: ThemeData(
          primaryColor: KaskuColor.primary,
          accentColor: Color(0xFFCB0E00),
          fontFamily: PRIMARY_FONT_FAMILY,
          textTheme: TextTheme(
            headline: TextStyle(fontSize: 72.0, fontWeight: FontWeight.bold),
            title: TextStyle(fontSize: 36.0, fontStyle: FontStyle.italic),
            body1: TextStyle(fontSize: 14.0),
          ),
          primarySwatch: Colors.red,
          cursorColor: KaskuColor.primary,
          snackBarTheme: SnackBarThemeData(
            backgroundColor: KaskuColor.snackBarColor
          )
        ),

        home: Splashscreen(),
        routes: {


        },

      ),
    );

有人能帮我吗？提前致谢！

标签： flutterlang

解决方案

您需要使用回调来设置默认语言。在您的 MaterialApp 小部件中添加localeListResolutionCallback如下：-

MaterialApp(
   ...

   localeListResolutionCallback: (locales, supportedLocales) {

      print('device locales=$locales supported locales=$supportedLocales');

      for (Locale locale in locales) {
         // if device language is supported by the app,
         // just return it to set it as current app language
         if (supportedLocales.contains(locale)) {
            return locale;
         }
      }

      // if device language is not supported by the app,
      // the app will set it to english but return this to set to Bahasa instead
      return Locale('id', 'ID');
   },

   supportedLocales: [Locale('id', 'ID'), Locale('en', 'US')],
   locale: Locale('en', 'US'),
   ...
);

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