public IObservable <int> BuyProduct(Product product)
{
return(Observable.Create <int>(o =>
{
InAppBillingHandler.OnProductPurchasedDelegate purchaseCompleted = (response, purchase) =>
{
o.OnNext(response);
o.OnCompleted();
};
this.serviceConnection.BillingHandler.OnProductPurchased += purchaseCompleted;
this.serviceConnection.BillingHandler.BuyProduct(product);
return () => this.serviceConnection.BillingHandler.OnProductPurchased -= purchaseCompleted;
}));
}
/// <summary>
/// Buys the specified <see cref="Product"/>
/// </summary>
/// <param name="product">The product to buy.</param>
/// <returns>
/// A future with the result of the operation.
///
/// The result maps to a value in the <see cref="BillingResult"/> class.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="product"/> is <c>null</c></exception>
public Task <PurchaseResult> BuyProduct(Product product)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
return(Observable.Create <PurchaseResult>(o =>
{
InAppBillingHandler.OnProductPurchasedDelegate purchaseCompleted = (response, purchase, data, signature) =>
{
var res = new PurchaseResult();
res.Result = response;
res.Purchase = purchase;
res.Data = data;
res.Signature = signature;
o.OnNext(res);
o.OnCompleted();
};
InAppBillingHandler.OnProductPurchaseErrorDelegate purchaseError = (response, sku) =>
{
var res = new PurchaseResult();
res.Result = response;
res.Sku = sku;
o.OnNext(res);
o.OnCompleted();
};
InAppBillingHandler.BuyProductErrorDelegate errorDelegate = (code, sku) =>
{
var res = new PurchaseResult();
res.Result = code;
res.Sku = sku;
o.OnNext(res);
o.OnCompleted();
};
InAppBillingHandler.InAppBillingProcessingErrorDelegate errorDelegate2 = message =>
{
var res = new PurchaseResult();
res.Result = BillingResult.Error;
o.OnNext(res);
o.OnCompleted();
};
InAppBillingHandler.OnUserCanceledDelegate canceledDelegate = () =>
{
var res = new PurchaseResult();
res.Result = BillingResult.UserCancelled;
o.OnNext(res);
o.OnCompleted();
};
InAppBillingHandler.OnPurchaseFailedValidationDelegate validationErrorDelegate = (purchase, data, signature) =>
{
var res = new PurchaseResult();
res.Result = BillingResult.Error;
o.OnNext(res);
o.OnCompleted();
};
this.serviceConnection.BillingHandler.OnProductPurchased += purchaseCompleted;
this.serviceConnection.BillingHandler.OnProductPurchasedError += purchaseError;
this.serviceConnection.BillingHandler.BuyProductError += errorDelegate;
this.serviceConnection.BillingHandler.InAppBillingProcesingError += errorDelegate2;
this.serviceConnection.BillingHandler.OnUserCanceled += canceledDelegate;
this.serviceConnection.BillingHandler.OnPurchaseFailedValidation += validationErrorDelegate;
this.serviceConnection.BillingHandler.BuyProduct(product);
return () =>
{
this.serviceConnection.BillingHandler.OnProductPurchased -= purchaseCompleted;
this.serviceConnection.BillingHandler.OnProductPurchasedError -= purchaseError;
this.serviceConnection.BillingHandler.BuyProductError -= errorDelegate;
this.serviceConnection.BillingHandler.InAppBillingProcesingError -= errorDelegate2;
this.serviceConnection.BillingHandler.OnUserCanceled -= canceledDelegate;
this.serviceConnection.BillingHandler.OnPurchaseFailedValidation -= validationErrorDelegate;
};
}).ToTask());
}
