application must call finishTransaction: to complete the transaction. When you call finishTransaction:, the transaction is removed from the payment queue. To ensure that products are not lost, your application should deliver the product before calling finishTransaction:. • ߪೖཤྺ͕Ϩγʔτʹৗʹදࣔ͞ΕΔ՝ۚܗࣜͰ
ҙࣝ͠ͳͯ͘ͳ͍ ඇফܕɺࣗಈߋ৽αϒεΫϦϓγϣϯɺඇߋ৽αϒεΫϦϓγϣϯ https://www.rapid-ideas.com/previews/wsa/page9/files/StoreKitGuide.pdf