public interface SKPaymentTransactionObserver

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`paymentQueueDidChangeStorefront(SKPaymentQueue queue)`
`default void`	`paymentQueueDidRevokeEntitlementsForProductIdentifiers(SKPaymentQueue queue, NSArray<java.lang.String> productIdentifiers)`	Sent when entitlements for a user have changed and access to the specified IAPs has been revoked.
`default void`	`paymentQueueRemovedTransactions(SKPaymentQueue queue, NSArray<? extends SKPaymentTransaction> transactions)`	Sent when transactions are removed from the queue (via finishTransaction:).
`default void`	`paymentQueueRestoreCompletedTransactionsFailedWithError(SKPaymentQueue queue, NSError error)`	Sent when an error is encountered while adding transactions from the user's purchase history back to the queue.
`default void`	`paymentQueueRestoreCompletedTransactionsFinished(SKPaymentQueue queue)`	Sent when all transactions from the user's purchase history have successfully been added back to the queue.
`default boolean`	`paymentQueueShouldAddStorePaymentForProduct(SKPaymentQueue queue, SKPayment payment, SKProduct product)`	Sent when a user initiates an IAP buy from the App Store
`default void`	`paymentQueueUpdatedDownloads(SKPaymentQueue queue, NSArray<? extends SKDownload> downloads)`	Sent when the download state has changed.
`void`	`paymentQueueUpdatedTransactions(SKPaymentQueue queue, NSArray<? extends SKPaymentTransaction> transactions)`	Sent when the transaction array has changed (additions or state changes).

Method Detail

paymentQueueRemovedTransactions

default void paymentQueueRemovedTransactions(SKPaymentQueue queue,
                                             NSArray<? extends SKPaymentTransaction> transactions)

Sent when transactions are removed from the queue (via finishTransaction:).

paymentQueueRestoreCompletedTransactionsFailedWithError

default void paymentQueueRestoreCompletedTransactionsFailedWithError(SKPaymentQueue queue,
                                                                     NSError error)

Sent when an error is encountered while adding transactions from the user's purchase history back to the queue.

paymentQueueUpdatedDownloads

default void paymentQueueUpdatedDownloads(SKPaymentQueue queue,
                                          NSArray<? extends SKDownload> downloads)

Sent when the download state has changed.

paymentQueueUpdatedTransactions

void paymentQueueUpdatedTransactions(SKPaymentQueue queue,
                                     NSArray<? extends SKPaymentTransaction> transactions)

Sent when the transaction array has changed (additions or state changes). Client should check state of transactions and finish as appropriate.

paymentQueueRestoreCompletedTransactionsFinished
```
default void paymentQueueRestoreCompletedTransactionsFinished(SKPaymentQueue queue)
```
Sent when all transactions from the user's purchase history have successfully been added back to the queue.

paymentQueueShouldAddStorePaymentForProduct

default boolean paymentQueueShouldAddStorePaymentForProduct(SKPaymentQueue queue,
                                                            SKPayment payment,
                                                            SKProduct product)

Sent when a user initiates an IAP buy from the App Store

paymentQueueDidChangeStorefront

default void paymentQueueDidChangeStorefront(SKPaymentQueue queue)

paymentQueueDidRevokeEntitlementsForProductIdentifiers

default void paymentQueueDidRevokeEntitlementsForProductIdentifiers(SKPaymentQueue queue,
                                                                    NSArray<java.lang.String> productIdentifiers)

Sent when entitlements for a user have changed and access to the specified IAPs has been revoked.

Interface SKPaymentTransactionObserver