SBDataEvent

Objective-C

@interface SBDataEvent : NSObject

Swift

class SBDataEvent : NSObject

Interface defines methods to monitor currently processed transactions Note: To monitor a single transaction, use TransactionObserver.

  • Shared instance of SBDataEvent

    Declaration

    Objective-C

    + (instancetype)sharedManager;

    Swift

    class func sharedManager() -> Self!

    Return Value

    SBDataEvent

  • Add SBDataEventReceiptBlock to monitor receipt data changes in Sensibill Receipt SDK

    Notes:

    • Ensure that your block accounts for situations where an event happens when a caller is no longer available.
    • Block may be called on background thread. It’s a responsibility of a block author to ensure that any changes to UI elements are done on main thread.

    Declaration

    Objective-C

    - (void)addReceiptObserver:(id)observer
                 withBlock:(SBDataEventReceiptBlock)block;

    Swift

    func addReceiptObserver(_ observer: Any!, with block: SBDataEventReceiptBlock!)

    Parameters

    observer

    identifier of block added
    block

    code segment that will be executed when receipt data has changed

  • Add SBDataEventTransactionBlock to monitor transaction data changes in Sensibill Receipt SDK

    Notes:

    • Ensure that your block accounts for situations where an event happens when a caller is no longer available.
    • Block may be called on background thread. It’s a responsibility of a block author to ensure that any changes to UI elements are done on main thread.

    Declaration

    Objective-C

    - (void)addTransactionObserver:(id)observer
                     withBlock:(SBDataEventTransactionBlock)block;

    Swift

    func addTransactionObserver(_ observer: Any!, with block: SBDataEventTransactionBlock!)

    Parameters

    observer

    identifier of block added
    block

    code segment will be executed when transaction data has changed

  • Remove all observers

    Declaration

    Objective-C

    - (void)clear;

    Swift

    func clear()