// Add the gift card code to the checkout and update the order summary when the request completes.
private void AddGiftCardCode(string giftCardCode)
{
ShowLoadingDialog(Resource.String.syncing_data);
SampleApplication.AddGiftCard(giftCardCode,
delegate
{
DismissLoadingDialog();
UpdateOrderSummary();
},
delegate
{
DismissLoadingDialog();
Toast.MakeText(this, GetString(Resource.String.gift_card_error, giftCardCode), ToastLength.Long).Show();
});
}
