private async void GetNewListings()
{
ListingsProgressBar.Visibility = Visibility.Visible;
var manager = new RequestManager();
var newListings = await manager.GetListings();
if (newListings != null)
{
_listings = new ObservableCollection<Listing>(newListings);
}
ListingsView.ItemsSource = _listings;
ListingsProgressBar.Visibility = Visibility.Collapsed;
if (_listings.Count > 0)
{
ListingsView.SelectedIndex = 0;
}
}
