private async Task AcklowledgePurchaseAsync(string token)
{
AcknowledgePurchaseParams acknowledgePurchaseParams =
AcknowledgePurchaseParams.NewBuilder()
.SetPurchaseToken(token)
.Build();
// Consume the Non-Consumable Product
BillingResult result = await _billingClient.AcknowledgePurchaseAsync(acknowledgePurchaseParams);
if (result == null)
{
// Failed to get result back.
throw new InAppPurchaseException(PurchaseError.Unknown, "BillingResult is null");
}
if (result.ResponseCode != BillingResponseCode.Ok)
{
throw new InAppPurchaseException(
result.ResponseCode.ToPurchaseError(),
result.DebugMessage);
}
// Otherwise, the Acknowledgement succeeded.
}