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diplomatic-quarter/lib/core/viewModels/project_view_model.dart

75 lines
2.0 KiB
Dart

import 'dart:async';
import 'package:connectivity/connectivity.dart';
import 'package:diplomaticquarterapp/config/shared_pref_kay.dart';
import 'package:diplomaticquarterapp/uitl/app_shared_preferences.dart';
import 'package:flutter/cupertino.dart';
class ProjectViewModel with ChangeNotifier {
AppSharedPreferences sharedPref = AppSharedPreferences();
Locale _appLocale;
String currentLanguage = 'ar';
bool _isArabic = false;
bool isInternetConnection = true;
bool isLoading = false;
bool isError = false;
String error = '';
Locale get appLocal => _appLocale;
bool get isArabic => _isArabic;
StreamSubscription subscription;
ProjectViewModel() {
loadSharedPrefLanguage();
subscription = Connectivity()
.onConnectivityChanged
.listen((ConnectivityResult result) {
switch (result) {
case ConnectivityResult.wifi:
isInternetConnection = true;
break;
case ConnectivityResult.mobile:
isInternetConnection = true;
break;
case ConnectivityResult.none:
isInternetConnection = false;
break;
}
notifyListeners();
});
}
void loadSharedPrefLanguage() async {
currentLanguage = await sharedPref.getString(APP_LANGUAGE);
_appLocale = Locale(currentLanguage ?? 'en');
_isArabic = currentLanguage != null
? currentLanguage == 'ar' ? true : false
: false;
notifyListeners();
}
void changeLanguage(String lan) {
if (lan != "en" && currentLanguage != lan) {
_appLocale = Locale("ar");
_isArabic = true;
currentLanguage = 'ar';
sharedPref.setString(APP_LANGUAGE, 'ar');
} else if (lan != "ar" && currentLanguage != lan) {
_appLocale = Locale("en");
_isArabic = false;
currentLanguage = 'en';
sharedPref.setString(APP_LANGUAGE, 'en');
}
notifyListeners();
}
@override
void dispose() {
if (subscription != null) subscription.cancel();
super.dispose();
}
}