154 lines
4.8 KiB
Dart
154 lines
4.8 KiB
Dart
import 'dart:async';
|
||
|
||
import 'package:flutter/foundation.dart';
|
||
import 'package:flutter/widgets.dart';
|
||
import 'package:flutter_localizations/flutter_localizations.dart';
|
||
import 'package:intl/intl.dart' as intl;
|
||
|
||
import 'app_locale_en.dart';
|
||
import 'app_locale_ru.dart';
|
||
|
||
// ignore_for_file: type=lint
|
||
|
||
/// Callers can lookup localized strings with an instance of AppLocale
|
||
/// returned by `AppLocale.of(context)`.
|
||
///
|
||
/// Applications need to include `AppLocale.delegate()` in their app's
|
||
/// `localizationDelegates` list, and the locales they support in the app's
|
||
/// `supportedLocales` list. For example:
|
||
///
|
||
/// ```dart
|
||
/// import 'l10n/app_locale.dart';
|
||
///
|
||
/// return MaterialApp(
|
||
/// localizationsDelegates: AppLocale.localizationsDelegates,
|
||
/// supportedLocales: AppLocale.supportedLocales,
|
||
/// home: MyApplicationHome(),
|
||
/// );
|
||
/// ```
|
||
///
|
||
/// ## Update pubspec.yaml
|
||
///
|
||
/// Please make sure to update your pubspec.yaml to include the following
|
||
/// packages:
|
||
///
|
||
/// ```yaml
|
||
/// dependencies:
|
||
/// # Internationalization support.
|
||
/// flutter_localizations:
|
||
/// sdk: flutter
|
||
/// intl: any # Use the pinned version from flutter_localizations
|
||
///
|
||
/// # Rest of dependencies
|
||
/// ```
|
||
///
|
||
/// ## iOS Applications
|
||
///
|
||
/// iOS applications define key application metadata, including supported
|
||
/// locales, in an Info.plist file that is built into the application bundle.
|
||
/// To configure the locales supported by your app, you’ll need to edit this
|
||
/// file.
|
||
///
|
||
/// First, open your project’s ios/Runner.xcworkspace Xcode workspace file.
|
||
/// Then, in the Project Navigator, open the Info.plist file under the Runner
|
||
/// project’s Runner folder.
|
||
///
|
||
/// Next, select the Information Property List item, select Add Item from the
|
||
/// Editor menu, then select Localizations from the pop-up menu.
|
||
///
|
||
/// Select and expand the newly-created Localizations item then, for each
|
||
/// locale your application supports, add a new item and select the locale
|
||
/// you wish to add from the pop-up menu in the Value field. This list should
|
||
/// be consistent with the languages listed in the AppLocale.supportedLocales
|
||
/// property.
|
||
abstract class AppLocale {
|
||
AppLocale(String locale) : localeName = intl.Intl.canonicalizedLocale(locale.toString());
|
||
|
||
final String localeName;
|
||
|
||
static AppLocale? of(BuildContext context) {
|
||
return Localizations.of<AppLocale>(context, AppLocale);
|
||
}
|
||
|
||
static const LocalizationsDelegate<AppLocale> delegate = _AppLocaleDelegate();
|
||
|
||
/// A list of this localizations delegate along with the default localizations
|
||
/// delegates.
|
||
///
|
||
/// Returns a list of localizations delegates containing this delegate along with
|
||
/// GlobalMaterialLocalizations.delegate, GlobalCupertinoLocalizations.delegate,
|
||
/// and GlobalWidgetsLocalizations.delegate.
|
||
///
|
||
/// Additional delegates can be added by appending to this list in
|
||
/// MaterialApp. This list does not have to be used at all if a custom list
|
||
/// of delegates is preferred or required.
|
||
static const List<LocalizationsDelegate<dynamic>> localizationsDelegates = <LocalizationsDelegate<dynamic>>[
|
||
delegate,
|
||
GlobalMaterialLocalizations.delegate,
|
||
GlobalCupertinoLocalizations.delegate,
|
||
GlobalWidgetsLocalizations.delegate,
|
||
];
|
||
|
||
/// A list of this localizations delegate's supported locales.
|
||
static const List<Locale> supportedLocales = <Locale>[
|
||
Locale('en'),
|
||
Locale('ru')
|
||
];
|
||
|
||
/// No description provided for @search.
|
||
///
|
||
/// In ru, this message translates to:
|
||
/// **'Поиск'**
|
||
String get search;
|
||
|
||
/// No description provided for @liked.
|
||
///
|
||
/// In ru, this message translates to:
|
||
/// **'понравился!'**
|
||
String get liked;
|
||
|
||
/// No description provided for @disliked.
|
||
///
|
||
/// In ru, this message translates to:
|
||
/// **'разонравился'**
|
||
String get disliked;
|
||
|
||
/// No description provided for @arbEnding.
|
||
///
|
||
/// In ru, this message translates to:
|
||
/// **'Чтобы не забыть про отсутствие запятой :)'**
|
||
String get arbEnding;
|
||
}
|
||
|
||
class _AppLocaleDelegate extends LocalizationsDelegate<AppLocale> {
|
||
const _AppLocaleDelegate();
|
||
|
||
@override
|
||
Future<AppLocale> load(Locale locale) {
|
||
return SynchronousFuture<AppLocale>(lookupAppLocale(locale));
|
||
}
|
||
|
||
@override
|
||
bool isSupported(Locale locale) => <String>['en', 'ru'].contains(locale.languageCode);
|
||
|
||
@override
|
||
bool shouldReload(_AppLocaleDelegate old) => false;
|
||
}
|
||
|
||
AppLocale lookupAppLocale(Locale locale) {
|
||
|
||
|
||
// Lookup logic when only language code is specified.
|
||
switch (locale.languageCode) {
|
||
case 'en': return AppLocaleEn();
|
||
case 'ru': return AppLocaleRu();
|
||
}
|
||
|
||
throw FlutterError(
|
||
'AppLocale.delegate failed to load unsupported locale "$locale". This is likely '
|
||
'an issue with the localizations generation tool. Please file an issue '
|
||
'on GitHub with a reproducible sample app and the gen-l10n configuration '
|
||
'that was used.'
|
||
);
|
||
}
|