42 lines
1.2 KiB
Dart
42 lines
1.2 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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// list of locales which are enabled for auth app.
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// Add more language to the list only when at least 90% of the strings are
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// translated in the corresponding language.
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const List<Locale> appSupportedLocales = <Locale>[
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Locale('en'),
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Locale('de'),
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Locale('fr'),
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Locale('it'),
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];
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Locale localResolutionCallBack(locales, supportedLocales) {
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// print call stacktrace to identify caller
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for (Locale locale in locales) {
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if (appSupportedLocales.contains(locale)) {
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return locale;
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}
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}
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// if device language is not supported by the app, use en as default
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return const Locale('en');
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}
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Future<Locale> getLocale() async {
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final String? savedLocale =
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(await SharedPreferences.getInstance()).getString('locale');
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if (savedLocale != null &&
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appSupportedLocales.contains(Locale(savedLocale))) {
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return Locale(savedLocale);
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}
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return const Locale('en');
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}
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Future<void> setLocale(Locale locale) async {
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if (!appSupportedLocales.contains(locale)) {
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throw Exception('Locale $locale is not supported by the app');
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}
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await (await SharedPreferences.getInstance())
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.setString('locale', locale.languageCode);
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}
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