public RequestViewModel() { ClientLanguages = LocalStorage.LoginResponseLS.UserInfo.LanguageInfo; RequestLanguages = new ObservableCollection <LanguageModel>(); Businesses = LocalStorage.LoginResponseLS.UserInfo.ClientInfo.Businesses; if (Businesses.Count == 1) { SelectedBusiness = Businesses.Last(); } CreateCallRequestCommand = new Command(async() => await ExecuteCreateCallRequestAsync()); ActiveCallViewModel = new ActiveCallViewModel(); ActiveCallViewModel.CallCanceled += ActiveCallViewModel_CallCanceled; App.ActiveCall.PropertyChanged += ActiveCall_PropertyChanged; }