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A widget for switching the locale of your application with 2 lines of code.

locale_switcher #

A widget for switching the locale of your application.

codecov

Content #

About #

This package allows you to add locale-switching functionality to your app with just a few lines of code.

It depends on intl package (not tested with other localization packages).

Features #

Usage #

  1. Wrap MaterialApp or CupertinoApp with LocaleManager:
  @override
Widget build(BuildContext context, WidgetRef ref) {
  return LocaleManager(
      child: MaterialApp(
        locale: LocaleManager.locale.value,
        localizationsDelegates: AppLocalizations.localizationsDelegates,
        supportedLocales: AppLocalizations.supportedLocales,
  //...
  1. Add LocaleSwitcher widget anywhere into your app.
  2. Or use SelectLocaleButton or just use showSelectLocaleDialog.

Note: localization should be set up before you start to use this package, if there some problems - please, check next section and/or intl documentation, before reporting bug.

Troubleshooting #

Checking that intl package is setup correctly: #

The following instructions are from intl package, so you probably already did them:

In pubspec.yaml:


dependencies: # in this section
  intl: 
  flutter_localizations:
    sdk: flutter
dev_dependencies: # in this section 
  build_runner:  
flutter: # in this section 
  generate: true  

Optionally - in l10n.yaml:

arb-dir: lib/src/l10n
template-arb-file: intl_en.arb
output-dir: lib/src/l10n/generated
output-localization-file: app_localizations.dart
untranslated-messages-file: desiredFileName.txt
preferred-supported-locales: [ "en", "vi", "de" ]
nullable-getter: false

Example #

Online Example here

Example Code

TODO: #

  • Test with other localization system

FAQ #

- How to change order of languages?

Languages are shown in the same order as they listed in l10n.yaml.

- How to change flag of language?

Use LocaleManager.reassign parameter like this:

LocaleManager(
  reassign: {'en': ['GB', 'English', <Your_icon_optional>]}
  // (first two options are required, third is optional)
  // first option is the code of country which flag you want to use
...
)

- How to use localization outside of MaterialApp(or CupertinoApp)?

Here is a useful example, although it is not depend on this package:


import 'package:flutter_gen/gen_l10n/app_localizations.dart';

/// Access localization through locale
extension LocaleWithDelegate on Locale {
  /// Get class with translation strings for this locale.
  AppLocalizations get tr => lookupAppLocalizations(this);
}

Locale("en").tr.example
// or 
LocaleManager.locale.value.tr.example
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Publisher

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A widget for switching the locale of your application with 2 lines of code.

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

animated_toggle_switch, circle_flags, flutter, flutter_localizations, intl, shared_preferences

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