public override async void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            var delivered = await Delivery.GetDelivered();

            ListAdapter = new DeliveryAdapter(Activity, delivered);
        }
        public override async void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            // Create your fragment here
            var deliveries = await Delivery.GetDeliveries();

            ListAdapter = new DeliveryAdapter(Activity, deliveries);
        }
        public async override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);

            // Create your fragment here

            var deliveries = await Delivery.GetDeliveries();        // get list of delivered packages

            // ListAdapter a member of (Fragment's inherited-from base class) ListFragment, for correct type of list resource to display
            //ListAdapter = new ArrayAdapter(Activity, Android.Resource.Layout.SimpleListItem1, deliveries);
            ListAdapter = new DeliveryAdapter(Activity, deliveries);            // use the custom Adapter
        }