PFPurchase Class Reference
Inherits from | NSObject |
---|---|
Declared in | PFPurchase.h |
Overview
PFPurchase
provides a set of APIs for working with in-app purchases.
This class is currently for iOS only.
+ addObserverForProduct:block:
Add application logic block which is run when buying a product.
+ (void)addObserverForProduct:(NSString *)productIdentifier block:(PFPurchaseProductObservationBlock)block
Parameters
productIdentifier |
the product identifier |
---|---|
block |
The block to be run when buying a product. |
Discussion
This method should be called once for each product, and should be called before
calling buyProduct:block:. All invocations to <addObserverForProduct:block:> should happen within
the same method, and on the main thread. It is recommended to place all invocations of this method
in application:didFinishLaunchingWithOptions:
.
Declared In
PFPurchase.h
+ buyProduct:block:
Asynchronously initiates the purchase for the product.
+ (void)buyProduct:(NSString *)productIdentifier block:(nullable PFPurchaseBuyProductResultBlock)block
Parameters
productIdentifier |
the product identifier |
---|---|
block |
the completion block. |
Declared In
PFPurchase.h
+ downloadAssetForTransaction:completion:
Asynchronously download the purchased asset, which is stored on Parse’s server.
+ (void)downloadAssetForTransaction:(SKPaymentTransaction *)transaction completion:(PFPurchaseDownloadAssetResultBlock)completion
Parameters
transaction |
the transaction, which contains the receipt. |
---|---|
completion |
the completion block. |
Discussion
Parse verifies the receipt with Apple and delivers the content only if the receipt is valid.
Declared In
PFPurchase.h
+ downloadAssetForTransaction:completion:progress:
Asynchronously download the purchased asset, which is stored on Parse’s server.
+ (void)downloadAssetForTransaction:(SKPaymentTransaction *)transaction completion:(PFPurchaseDownloadAssetResultBlock)completion progress:(nullable PFProgressBlock)progress
Parameters
transaction |
the transaction, which contains the receipt. |
---|---|
completion |
the completion block. |
progress |
the progress block, which is called multiple times to reveal progress of the download. |
Discussion
Parse verifies the receipt with Apple and delivers the content only if the receipt is valid.
Declared In
PFPurchase.h
+ restore
Asynchronously restore completed transactions for the current user.
+ (void)restore
Discussion
Only nonconsumable purchases are restored. If observers for the products have been added before calling this method, invoking the method reruns the application logic associated with the purchase.
Warning: This method is only important to developers who want to preserve purchase states across different installations of the same app.
Declared In
PFPurchase.h
+ assetContentPathForProduct:
Returns a content path of the asset of a product, if it was purchased and downloaded.
+ (nullable NSString *)assetContentPathForProduct:(PFProduct *)product
Discussion
To download and verify purchases use downloadAssetForTransaction:completion:.
Warning: This method will return nil
, if the purchase wasn’t verified or if the asset was not downloaded.
Declared In
PFPurchase.h