void toggleLanguages(string langCode)
        {
            _services.Preferences.LanguageCode = langCode;

            var languageList = LanguageList.Select(lang => {
                lang.IsChecked = lang.LanguageCode == langCode;
                return(lang);
            });

            LanguageList = new List <LanguagePageModel>(languageList);

            _isInit = true;

            if (_services.Preferences.IsLoggedIn)
            {
                _services.Device.MainThread(() => _services.Navigation.OpenMain());
            }
            else
            {
                _services.Device.MainThread(() => _services.Navigation.OpenLogin());
            }
        }