Task <SKPaymentTransaction> PurchaseAsync(string productId)
{
TaskCompletionSource <SKPaymentTransaction> tcsTransaction = new TaskCompletionSource <SKPaymentTransaction>();
Action <SKPaymentTransaction, bool> handler = null;
handler = new Action <SKPaymentTransaction, bool>((tran, success) => {
// Only handle results from this request
if (productId != tran.Payment.ProductIdentifier)
{
return;
}
// Unsubscribe from future events
paymentObserver.TransactionCompleted -= handler;
if (!success)
{
tcsTransaction.TrySetException(new Exception(tran?.Error.LocalizedDescription));
}
else
{
tcsTransaction.TrySetResult(tran);
}
});
paymentObserver.TransactionCompleted += handler;
var payment = SKPayment.CreateFrom(productId);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(tcsTransaction.Task);
}
public void SKPayment_PaymentWithProduct()
{
SKProduct product = new SKProduct();
SKPayment payment = SKPayment.CreateFrom(product);
Assert.IsNotNull(payment);
}
public void PurchaseProduct()
{
_completionSource.TrySetCanceled();
_completionSource = new TaskCompletionSource <PurchaseResponse>();
SKPayment payment = SKPayment.CreateFrom(_appStoreProductId);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
}
//protected async override Task<Receipt> BuyNative(Purchase purchase)
async Task <Receipt> BuyNative(Purchase purchase)
{
var product = (SKProduct)purchase.NativeObject;
var payment = SKPayment.CreateFrom(product);
var source = new TaskCompletionSource <Receipt>();
_observerDelegate.Sources[purchase.Id] = source;
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(await source.Task);
}
/// <summary>
/// Initializes an async process to purchas the product. Only one purchase request can be happening at a time
/// </summary>
/// <param name="productId">Product to buy</param>
/// <returns>Purchase object</returns>
public async Task <InAppPurchaseResult> PurchaseAsync(string productId)
{
// First, set the Completion Task Source. The Payment Observer will handle only one request at a time
TaskCompletionSource <InAppPurchaseResult> transactionPurchased = new TaskCompletionSource <InAppPurchaseResult>();
_paymentObserver.SetTransactionPurchasedTask(transactionPurchased);
SKPayment payment = SKPayment.CreateFrom(productId);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
// Wait till the Task is complete (e.g. Succeeded or Failed - which will result in Exception)
return(await transactionPurchased.Task);
}
Purchase(IProduct product)
{
if (await Resume())
{
currentProduct = product;
currentPurchaseTask = new TaskCompletionSource <Purchase>();
SKPayment payment = SKPayment.CreateFrom(product.ProductId);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(await currentPurchaseTask.Task);
}
else
{
throw new PurchaseError("Service cannot be started or there is annother active purchase");
}
}
public void PurchaseProduct(SKProduct product)
{
try
{
if (Reachability.InternetConnectionStatus() == NetworkStatus.NotReachable)
{
Logger.Log("ERROR: PurchaseProduct: No open internet connection is available.");
using (var alert = new UIAlertView("ERROR", "No open internet connection is available.", null, "OK", null))
alert.Show();
return;
}
if (!CanMakePayments())
{
Logger.Log("ERROR: PurchaseProduct: Cannot make payments");
using (var alert = new UIAlertView("ERROR", "Sorry but you cannot make purchases from the In App Billing store. Please try again later.", null, "OK", null))
alert.Show();
return;
}
if (product == null)
{
Logger.Log("ERROR: PurchaseProduct: Product is null");
return;
}
Logger.Log("PurchaseProduct: Product ID: " + product.ProductIdentifier);
SKPayment payment = SKPayment.CreateFrom(product);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
}
catch (Exception ex)
{
Logger.Log("ERROR: PurchaseProduct: " + ex);
}
}
private Task <SKPaymentTransaction> Purchase(string productId)
{
var tcsTransaction = new TaskCompletionSource <SKPaymentTransaction>();
void TransactionCompletedHandler(SKPaymentTransaction trans, bool result)
{
if (trans?.Payment == null)
{
return;
}
if (productId != trans.Payment.ProductIdentifier)
{
return;
}
this.transactionObserver.TransactionCompleted -= TransactionCompletedHandler;
if (result)
{
tcsTransaction.SetResult(trans);
return;
}
var errorCode = trans.Error?.Code ?? -1;
var description = trans.Error?.LocalizedDescription ?? string.Empty;
tcsTransaction.SetException(new Exception($"交易失敗（errorCode: {errorCode}）\r\n{description}"));
}
this.transactionObserver.TransactionCompleted += TransactionCompletedHandler;
// 購買
SKPaymentQueue.DefaultQueue.AddPayment(SKPayment.CreateFrom(productId));
return(tcsTransaction.Task);
}
Task <SKPaymentTransaction> PurchaseAsync(string productId)
{
var tcsTransaction = new TaskCompletionSource <SKPaymentTransaction>();
Action <SKPaymentTransaction, bool> handler = null;
handler = new Action <SKPaymentTransaction, bool>((tran, success) =>
{
if (tran?.Payment == null)
{
return;
}
// Only handle results from this request
if (productId != tran.Payment.ProductIdentifier)
{
return;
}
// Unsubscribe from future events
paymentObserver.TransactionCompleted -= handler;
if (success)
{
tcsTransaction.TrySetResult(tran);
return;
}
var errorCode = tran?.Error?.Code ?? -1;
var description = tran?.Error?.LocalizedDescription ?? string.Empty;
var error = PurchaseError.GeneralError;
switch (errorCode)
{
case (int)SKError.PaymentCancelled:
error = PurchaseError.UserCancelled;
break;
case (int)SKError.PaymentInvalid:
error = PurchaseError.PaymentInvalid;
break;
case (int)SKError.PaymentNotAllowed:
error = PurchaseError.PaymentNotAllowed;
break;
case (int)SKError.ProductNotAvailable:
error = PurchaseError.ItemUnavailable;
break;
case (int)SKError.Unknown:
error = PurchaseError.GeneralError;
break;
case (int)SKError.ClientInvalid:
error = PurchaseError.BillingUnavailable;
break;
}
tcsTransaction.TrySetException(new InAppBillingPurchaseException(error, description));
});
paymentObserver.TransactionCompleted += handler;
var payment = SKPayment.CreateFrom(productId);
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(tcsTransaction.Task);
}
Task <SKPaymentTransaction> PurchaseAsync(string productId)
{
Console.WriteLine($"PurchaseAsync() - productId: { productId }");
var tcsTransaction = new TaskCompletionSource <SKPaymentTransaction>();
Action <SKPaymentTransaction, bool> handler = null;
handler = new Action <SKPaymentTransaction, bool>((tran, success) =>
{
if (tran != null)
{
Console.WriteLine($"PurchaseAsync() - tran: { tran }");
if (tran.Payment != null)
{
Console.WriteLine($"PurchaseAsync() - tran - tran.Payment.ProductIdentifier: { tran.Payment.ProductIdentifier }");
}
else
{
Console.WriteLine($"PurchaseAsync() - tran - tran.Payment.ProductIdentifier is null");
}
if (tran.TransactionIdentifier != null)
{
Console.WriteLine($"PurchaseAsync() - tran - tran.TransactionIdentifier: { tran.TransactionIdentifier }");
}
else
{
Console.WriteLine($"PurchaseAsync() - tran - tran.TransactionIdentifier is null");
}
if (tran.Error != null)
{
Console.WriteLine($"PurchaseAsync() - tran - tran.Error.Code: { tran.Error.Code }");
Console.WriteLine($"PurchaseAsync() - tran - tran.Error.LocalizedDescription: { tran.Error.LocalizedDescription }");
Console.WriteLine($"PurchaseAsync() - tran - tran.Error.LocalizedFailureReason: { tran.Error.LocalizedFailureReason }");
}
else
{
Console.WriteLine($"PurchaseAsync() - tran - tran.Error is null");
}
}
else
{
Console.WriteLine($"PurchaseAsync() - tran is null");
}
Console.WriteLine($"PurchaseAsync() - success: { success }");
if (tran?.Payment == null)
{
return;
}
// Only handle results from this request
if (productId != tran.Payment.ProductIdentifier)
{
Console.WriteLine($"PurchaseAsync() - Only handle results from this request");
return;
}
// Unsubscribe from future events
paymentObserver.TransactionCompleted -= handler;
if (success)
{
tcsTransaction.TrySetResult(tran);
return;
}
var errorCode = tran?.Error?.Code ?? -1;
Console.WriteLine($"PurchaseAsync() - errorCode: { errorCode }");
var description = tran?.Error?.LocalizedDescription ?? string.Empty;
var error = PurchaseError.GeneralError;
switch (errorCode)
{
case (int)SKError.PaymentCancelled:
error = PurchaseError.UserCancelled;
break;
case (int)SKError.PaymentInvalid:
error = PurchaseError.PaymentInvalid;
break;
case (int)SKError.PaymentNotAllowed:
error = PurchaseError.PaymentNotAllowed;
break;
case (int)SKError.ProductNotAvailable:
error = PurchaseError.ItemUnavailable;
break;
case (int)SKError.Unknown:
error = PurchaseError.GeneralError;
break;
case (int)SKError.ClientInvalid:
error = PurchaseError.BillingUnavailable;
break;
}
Console.WriteLine($"PurchaseAsync() - Before - TrySetException");
if (tran != null && !string.IsNullOrWhiteSpace(tran.TransactionIdentifier))
{
tcsTransaction.TrySetException(new InAppBillingPurchaseException(error, description, tran.TransactionIdentifier));
}
else
{
tcsTransaction.TrySetException(new InAppBillingPurchaseException(error, description));
}
Console.WriteLine($"PurchaseAsync() - After - TrySetException");
Console.WriteLine($"PurchaseAsync() - description: { description }");
Console.WriteLine($"PurchaseAsync() - error: { error }");
});
paymentObserver.TransactionCompleted += handler;
Console.WriteLine($"PurchaseAsync() - Before - CreateFrom");
var payment = SKPayment.CreateFrom(productId);
Console.WriteLine($"PurchaseAsync() - After - CreateFrom");
Console.WriteLine($"PurchaseAsync() - payment: { payment }");
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(tcsTransaction.Task);
}
async Task <SKPaymentTransaction> PurchaseAsync(string productId)
{
var tcsTransaction = new TaskCompletionSource <SKPaymentTransaction>();
Action <SKPaymentTransaction, bool> handler = null;
handler = new Action <SKPaymentTransaction, bool>((tran, success) =>
{
if (tran?.Payment == null)
{
return;
}
// Only handle results from this request
if (productId != tran.Payment.ProductIdentifier)
{
return;
}
// Unsubscribe from future events
paymentObserver.TransactionCompleted -= handler;
if (success)
{
tcsTransaction.TrySetResult(tran);
return;
}
var errorCode = tran?.Error?.Code ?? -1;
var description = tran?.Error?.LocalizedDescription ?? string.Empty;
var error = PurchaseError.GeneralError;
switch (errorCode)
{
case (int)SKError.PaymentCancelled:
error = PurchaseError.UserCancelled;
break;
case (int)SKError.PaymentInvalid:
error = PurchaseError.PaymentInvalid;
break;
case (int)SKError.PaymentNotAllowed:
error = PurchaseError.PaymentNotAllowed;
break;
case (int)SKError.ProductNotAvailable:
error = PurchaseError.ItemUnavailable;
break;
case (int)SKError.Unknown:
try
{
var underlyingError = tran?.Error?.UserInfo?["NSUnderlyingError"] as NSError;
error = underlyingError?.Code == 3038 ? PurchaseError.AppleTermsConditionsChanged : PurchaseError.GeneralError;
}
catch
{
error = PurchaseError.GeneralError;
}
break;
case (int)SKError.ClientInvalid:
error = PurchaseError.BillingUnavailable;
break;
}
tcsTransaction.TrySetException(new InAppBillingPurchaseException(error, description));
});
paymentObserver.TransactionCompleted += handler;
#if __IOS__ || __TVOS__
var payment = SKPayment.CreateFrom(productId);
#else
var products = await GetProductAsync(new[] { productId });
var product = products?.FirstOrDefault();
if (product == null)
{
throw new InAppBillingPurchaseException(PurchaseError.InvalidProduct);
}
var payment = SKPayment.CreateFrom(product);
//var payment = SKPayment.CreateFrom((SKProduct)SKProduct.FromObject(new NSString(productId)));
#endif
SKPaymentQueue.DefaultQueue.AddPayment(payment);
return(await tcsTransaction.Task);
}
