StoreKitのこれまでとこれから / StoreKit 2 from 1

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StoreKitͷ͜Ε·Ͱͱ͜Ε͔Β uzzu @ iOSDC JAPAN 2021

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ࣗݾ঺հ ɾ@uzzu   ɾCookpad Inc. ٕज़෦ Ϣʔβܾࡁج൫άϧʔϓ   ɾݞॻ͸AndroidΤϯδχΞɺ࠷ۙ͸Rails   ɾલ৬͸εϚʔτϑΥϯήʔϜ։ൃ   ɾझຯ͸VR

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IAPؔ࿈ͷ͓࢓ࣄ(1/2) https://speakerdeck.com/uzzu/xin-gui-apurikai-fa-wozhi-eruyuzajue-ji-ji-pan

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IAPؔ࿈ͷ͓࢓ࣄ(2/2) https://speakerdeck.com/uzzu/xin-gui-apurikai-fa-wozhi-eruyuzajue-ji-ji-pan

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IAPؔ࿈ͷ͓࢓ࣄ(2/2) https://speakerdeck.com/uzzu/xin-gui-apurikai-fa-wozhi-eruyuzajue-ji-ji-pan できた！(iOS クックパッド 2021/03)

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🎊StoreKit2🎊 WWDC21

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ΞδΣϯμ ɾΞϓϦ಺՝࣮ۚ૷ͷ֓ཁ   ɾStoreKitͱStoreKit2ͷҧ͍(ߪೖɾ෮ݩػೳΛ௥͍ͳ͕Β)   ɾStoreKit2Ͱ৽ͨʹͰ͖Δࣄ   ɾ·ͱΊ

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࿩͞ͳ͍ࣄ ● Promoting IAPɺSubscription Offerɺ   Family Sharing SubscriptionͳͲͷOptionalͳܾࡁػೳ ● ΞϓϦ಺՝ۚҎ֎ͷStoreKitͷػೳ(SKOverlay౳) ● App Store Server APIͷৄࡉ ● async/awaitͷৄࡉ ● StoreKitͱStoreKit2͕ڞଘͨ͠৔߹ͷڍಈ

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஫ҙࣄ߲ ⚠ ɾStoreKit2͸ݱࡏsandbox՝ۚ΋ࣦഊ͢Δ(iOS15 beta8)   ɹStoreKit TestingΛར༻͢ΔࣄͰಈ࡞͠·͢   ɹhttps://developer.apple.com/forums/thread/681904 ɾStoreKit Testing ར༻ʹ͓͍ͯXcode 13 beta 5࣌఺Ͱ   ɹچStoreKitͱͷڠௐಈ࡞ͷ֬ೝ͕औΕͳ͍   ɹ=> ڞଘͨ͠৔߹ͷಈ࡞͕Ͳ͏ͳΔͷ͔౳ࡉ͔͍ॴ͸ݱঢ়෼͔Βͳ͍   ɾ࢖͑ΔΑ͏ʹͳΔͷ͸ iOS15 ʙ (async/await backport ૣ͘དྷͯ͘Εʙ)   ɾಈ͘Α͏ʹͳͬͨΒ࠶ݕূ͠·͠ΐ͏

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ΞδΣϯμ ɾΞϓϦ಺՝࣮ۚ૷ͷ֓ཁ   ɾStoreKitͱStoreKit2ͷҧ͍(ߪೖɾ෮ݩػೳΛ௥͍ͳ͕Β)   ɾStoreKit2Ͱ৽ͨʹͰ͖Δࣄ   ɾ·ͱΊ

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ΞϓϦ಺՝ۚͷ࣮૷ͷ֓ཁ(1/2) ɾΞϓϦ಺Ͱσδλϧίϯςϯπͷൢച΍ఆظߪಡػೳΛ   ɹఏڙ͢Δࡍʹ͸ΞϓϦ಺՝ۚͷ࣮૷͕ඞཁ ɾΞϓϦ಺՝ۚͷ঎඼λΠϓ͸4छ   ɹফ໣ܕΞΠςϜ(Consumable)   ɹඇফ໣ܕΞΠςϜ(Non-Consumable)   ɹࣗಈߋ৽αϒεΫϦϓγϣϯ(Auto-Renewable Subscription)   ɹඇࣗಈߋ৽αϒεΫϦϓγϣϯ(Non-Renewing Subscription)

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ΞϓϦ಺՝ۚͷ࣮૷ͷ֓ཁ(1/2) ɾͦΕͧΕఏڙ͢Δҝʹ࣮૷ඞਢͳػೳ   ɹߪೖ   ɹ෮ݩ   ɾͦͷଞɺඞਢͰ͸ͳ͍͕ඞཁʹԠ࣮ͯ͡૷ΛٻΊΒΕΔػೳ   ɹPromoting IAP .. App Store ΞϓϦ্Ͱͷ঎඼ͷϓϩϞʔγϣϯɺߪೖ   ɹSubscription Offer .. ೚ҙͷϢʔβʹ௿Ձ֨Ͱఏڙ͢Δ   ɹFamily Sharing Subscription .. ϑΝϛϦʔڞ༗ͷػೳͰఆظߪೖΛڞ༗͢Δ

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ΞδΣϯμ ɾΞϓϦ಺՝࣮ۚ૷ͷ֓ཁ   ɾStoreKitͱStoreKit2ͷҧ͍(ߪೖɾ෮ݩػೳΛ௥͍ͳ͕Β)   ɾStoreKit2Ͱ৽ͨʹͰ͖Δࣄ   ɾؔ࿈ͯ͠AppStore Server API

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ߪೖɾ෮ݩͷઆ໌ʹೖΔલʹ…ॳظԽʹ͍ͭͯ ɾچStoreKit͸ΞϓϦ಺՝ۚͷ࣮૷ʹඞཁͳ   ɹ֤छ௨஌Λड͚औΔҝͷObserverͷ࣮૷ͱొ࿥ॲཧ   ɹ͕ඞཁɻຊεϥΠυͰ͸͜ΕΛศ্ٓॳظԽͱݺͿ ɾొ࿥ॲཧ .. SKPaymentTransactionObserverΛ࣮૷ͨ͠   ɹΫϥεͷΠϯελϯεΛSKPaymentQueueʹొ࿥

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class AppDelegate: UIResponder, UIApplicationDelegate { private var iapObserver: SKPaymentTransactionObserver = IAPObserver() func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil ) -> Bool { SKPaymentQueue.default().add(iapObserver) return true } func applicationWillTerminate(_ application: UIApplication) { SKPaymentQueue.default().remove(iapObserver) } }

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ߪೖɾ෮ݩͷઆ໌ʹೖΔલʹ…ॳظԽʹ͍ͭͯ ॳظԽʹ·ͭΘΔτϥϒϧ   ɹɾΞϓϦىಈ࣌ͷॳظԽॲཧ(Ϣʔβೝূetc…)͕   ɹɹऴΘͬͯͳ͍ঢ়ଶͰObserverॲཧͯ͠͠·͏   ɹɾ௨஌͕͍ͭདྷͯ΋ྑ͍Α͏ͳ࣮૷ߟྀ͕͞Ε͍ͯͳ͍   ɹɾSKPaymentQueue΁ͷremove/addΛ͓ͯ͠Βͣظ଴ͨ͠௨஌͕དྷͳ͍   ɹɾ3rd party ϥΠϒϥϦ͕Observerొ࿥Λ͓ͯ͠Γ   ɹɹࣗΞϓϦͷObserverʹظ଴ͨ͠௨஌͕དྷͳ͍

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ߪೖɾ෮ݩͷઆ໌ʹೖΔલʹ…ॳظԽʹ͍ͭͯ StoreKit 2͸ॳظԽ͸ෆཁ🎉🎉🎉

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購⼊処理フロー購⼊ボタンを押す注⽂番号を発⾏商品情報取得決済レシート送信   +   注⽂を有効にして   購⼊した商品を   付与するレシート検証   最新レシート   取得購⼊情報を   更新

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購⼊処理フロー/商品情報の取得 .. 旧StoreKitの場合 public typealias ProductsRequestResult = Result public typealias ProductsRequestCompletion = (ProductsRequestResult) -> Void public class ProductsRequest: NSObject, SKProductsRequestDelegate { private var completion: ProductsRequestCompletion? private var request: SKProductsRequest init(_ productIDs: Set) { self.request = SKProductsRequest(productIdentifiers: productIDs) } public func send(completion: @escaping ProductsRequestCompletion) { self.completion = completion self.request.delegate = self self.request.start() } public func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) { if let completion = completion { self.completion = nil completion(.success(response)) } } public func request(_ request: SKRequest, didFailWithError error: Error) { if let completion = completion { self.completion = nil completion(.failure(error)) } } }

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購⼊処理フロー/商品情報の取得 .. StoreKit2の場合 let products = try await Product.products(for: ["productId"]) ΋ͪΖΜ঎඼λΠϓ΋औಘՄೳ (Product.type) 🥳🥳🥳🥳🥳🥳🥳🥳🥳 🥳🥳🥳🥳🥳🥳🥳🥳🥳

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購⼊処理フロー/決済 .. 旧StoreKitの場合 let payment = SKMutablePayment(product: product) // 様々オプションを指定 SKPaymentQueue.default().add(payment) ↓ SKPaymentTransactionObserverの以下のdelegateが呼ばれる func paymentQueue(   _ queue: SKPaymentQueue,   updatedTransactions transactions: [SKPaymentTransaction]) { // : } ↓SKPaymentTransaction.transactionState == .purchasing でやってくる ↓SKPaymentTransactionObserverの同じdelegateが呼ばれる ↓IAP決済ダイアログが出てくる。ユーザが決済を⾏う ↓SKPaymentTransaction.transactionState == .purchased でやってくる ↓レシート送信、商品付与 ↓商品付与後、SKPaymentQueue.default().finishTransaction(transaction)

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↓商品付与後、購⼊処理フロー/決済 .. 旧StoreKitの場合 let payment = SKMutablePayment(product: product) // 様々オプションを指定 SKPaymentQueue.default().add(payment) ↓ SKPaymentTransactionObserverの以下のdelegateが呼ばれる func paymentQueue(   _ queue: SKPaymentQueue,   updatedTransactions transactions: [SKPaymentTransaction]) { // : } ↓SKPaymentTransaction.transactionState == .purchasing でやってくる ↓SKPaymentTransactionObserverの同じdelegateが呼ばれる ↓IAP決済ダイアログが出てくる。ユーザが決済を⾏う ↓SKPaymentTransaction.transactionState == .purchased でやってくる ↓レシート送信、商品付与 SKPaymentQueue.default().finishTransaction(transaction) ɹɾupdatedTransactionsʹ͸   ɹɹfinish͞Ε͍ͯͳ͍શͯͷTransaction͕΍ͬͯ͘Δ   ɹɹ=>ݱࡏߪೖதͷ঎඼͕Կ͔ΛͲ͔͜͠ΒͰ͓࣋ͬͯ͘   ɹɹɹ ඞཁ͕͋Δ   ɹɾAsk To Buy(ϖΞϨϯλϧίϯτϩʔϧػೳ)ͷΑ͏ʹ   ɹɹܾࡁ׬ྃ௨஌͕όοΫάϥ΢ϯυ͔Β΍ͬͯ͘Δέʔε   ɹɹ͕͋ΔͷͰɺͦͷߟྀ΋ඞཁ ɹɾ΋ͪΖΜɺ঎඼λΠϓશͯͷTransaction͕΍ͬͯ͘Δ   ɹɹ=>঎඼λΠϓΛෳ਺ѻ͏Α͏ʹͳͬͨΒ   ɹɹɹ Observer͕େมͳࣄʹͳΔ   ɹɾ্هΛ౿·্͑ͨͰObserverͱ(Rx|Combine)ͱܨ͗͜Ή   ɹɹͷ͸Ͱ͖ͳ͘͸ͳ͍͕େม

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購⼊処理フロー/決済 .. StoreKit2の場合 let result = try await product.purchase() 🎉🎉🎉🎉🎉🎉🎉🎉🎉 🎉🎉🎉🎉🎉🎉🎉🎉🎉 Transaction#finish() ͸๨Εͣʹ

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購⼊処理フロー/レシート検証、最新レシート取得 .. 旧StoreKitの場合 let base64EncodedReceipt: String? if let appStoreReceiptURL = Bundle.main.appStoreReceiptURL, FileManager.default.fileExists(atPath: appStoreReceiptURL.path) { base64EncodedReceipt = try? Data( contentsOf: appStoreReceiptURL, options: .alwaysMapped) .base64EncodedString() } else { base64EncodedReceipt = "" } ↓注⽂番号と合わせてサーバに送信 ↓POST https://buy.itunes.apple.com/verifyReceipt ↓最新レシート情報を元に商品付与、注⽂を有効にする ↓後続処理へ… ɹɾϨγʔτݕূࣗମ͸ΞϓϦ୯ମͰ΋Ͱ͖Δ͕   ɹɹ؆қͳ΋ͷͳͷͰجຊతʹ͸࢖Θͳ͍   ɹɾաڈͷಉΞϓϦͰͷߪೖ৘ใ͕શؚͯ·ΕΔҝ   ɹɹϖΠϩʔυαΠζ͕૿Ճ   ɹɹࣗಈߋ৽αϒεΫϦϓγϣϯͳΒߋ৽݄෼૿͑Δ   ɹɾϖΠϩʔυ͕େ͖͘ͳΔ΄ͲɺverifyReceiptͷ   ɹɹϨεϙϯε΋஗͘ͳΔɻΑ͘500Λు͘ ɹɹ=>exclude_old_transactions ͳΦϓγϣϯͰ   ɹɹɹߴ଎Խ͕ਤΕΔ͕   ɹɹɹݹ͍ߪೖ৘ใ΋ඞཁͳϢʔεέʔε͸   ɹɹɹ࣮ӡ༻্΅ͪ΅ͪ͋Δ

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購⼊処理フロー/レシート検証、最新レシート取得 .. StoreKit2の場合 JWS化！レシート検証でサーバ間通信不要   巨⼤なレシート送らなくてもOK(代わりにJWS)   AppStore Server APIで個別にTransaction単位で問合せ可能に 🍻🍻🍻🍻🍻🍻🍻🍻🍻 🍻🍻🍻🍻🍻🍻🍻🍻🍻 JWSがどれくらいのサイズになるだろうか…🤔

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෮ݩͱ͸…ʁ ɾIAPܾࡁ͸ߦΘΕ͍ͯΔ͕঎඼͕෇༩͞Ε͍ͯͳ͍   ɹϢʔβ΁ͷٹࡁાஔ   ɹ- ߪೖΤϥʔ͕ൃੜͨ͠··ܾࡁը໘͔Β཭୤ͯ͠͠·ͬͨ   ɹ- ػछมߋޙʹݩʑར༻͍ͯͨ͠ঢ়ଶʹ໭͍ͨ͠   ɹ- ߪೖࡁΈͷ঎඼Λෳ਺୺຤Ͱར༻͍ͨ͠ ɾܾࡁ৘ใΛ෮ݩ͢Δػೳ͕ఏڙ͞Ε͍ͯΔͷͰ   ɹͦΕΛར༻ͯ͠෮ݩॲཧΛߦ͏  

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෮ݩͱ͸…ʁ ɾফ໣ܕΞΠςϜͷ৔߹   ɹ=> ະॲཧͳܾࡁ৘ใ͕͋Ε͹ɺͦΕΛߪೖॲཧʹԊͬͯॲཧͯ͠঎඼Λ෇༩   ɾඇফ໣ܕΞΠςϜɺࣗಈߋ৽αϒεΫϦϓγϣϯ   ɹඇࣗಈߋ৽αϒεΫϦϓγϣϯͷ৔߹   ɹ=> ະॲཧͳܾࡁ৘ใ͕͋Ε͹ɺͦΕΛߪೖॲཧʹԊͬͯॲཧͯ͠঎඼Λ෇༩   ɹ=> ॲཧࡁΈͰ͋Ε͹   ɹɹϩάΠϯ͍ͯ͠ΔϢʔβΛݩʑར༻͍ͯͨ͠Ϣʔβʹ੾Γସ͑Δ   ɹɹ·ͨ͸ ݩʑར༻͍ͯͨ͠Ϣʔβʹ౷߹ͭͭ͠ϩάΠϯϢʔβΛ੾Γସ͑Δ   ɹɹ·ͨ͸ ߪೖ৘ใʹ߹ΘͤͯݱࡏͷϢʔβʹ঎඼Λ෇͚ସ͑Δ   ɹɹͳͲɺཁ݅ʹ͋Θͤͯ…

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復元処理フロー復元操作をする   or ⾃動で復元レシート送信   +   購⼊情報を   復元する為の   あれこれ   決済情報を   復元するレシート検証   最新レシート   取得購⼊情報を   復元する為の   あれこれ

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復元処理フロー/決済情報の復元 .. 旧StoreKitの場合 SKPaymentQueue.default().restoreCompletedTransactions() ↓ SKPaymentTransactionObserverの以下のdelegateが呼ばれる func paymentQueue(   _ queue: SKPaymentQueue,   updatedTransactions transactions: [SKPaymentTransaction]) { // : } ↓SKPaymentTransaction.transactionState == .restored でやってくる ↓アプリとして必要な復元処理を実施 ↓復元処理を実施後SKPaymentQueue.default().finishTransaction(transaction) ↓ SKPaymentTransactionObserverの以下のdelegateが呼ばれる func paymentQueueRestoreCompletedTransactionsFinished(_ queue: SKPaymentQueue) { // : } ɹɾ·ͨupdatedTransactions…   ɹɹ=>ߪೖॲཧͱ෮ݩॲཧ͸ผ΋ͷͳͷͰ   ɹɹɹͪΌΜͱtransactionStateΛݟΔ   ɹɾະॲཧͳܾࡁͷ৔߹͸ߪೖॲཧͱಉ౳ͷॲཧΛ࣮ࢪ͢Δ   ɹɹඞཁ͕͋Δ ɹɾ΋ͪΖΜɺ঎඼λΠϓશͯͷTransaction͕΍ͬͯ͘Δ   ɹɾRxɺCombineɺ΢ο…

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復元処理フロー/決済情報の復元 .. StoreKit2の場合 let transaction = await product.latestTransaction let result = await product.currentEntitlement let result = await Transaction.latest(for: "productId") let results = await Transaction.currentEntitlements // etc… 👏👏👏👏👏👏 👏👏👏👏👏👏 SKReceiptRefreshRequest૬౰ͷ΋ͷ͸   await AppStore.sync()

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ΞδΣϯμ ɾΞϓϦ಺՝࣮ۚ૷ͷ֓ཁ   ɾStoreKitͱStoreKit2ͷҧ͍(ߪೖɾ෮ݩػೳΛ௥͍ͳ͕Β)   ɾStoreKit2Ͱ৽ͨʹͰ͖Δࣄ   ɾ·ͱΊ

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StoreKit2Ͱ৽ͨʹͰ͖Δࣄ ɾTransactionͷৄࡉ(unified_receipt૬౰)Λ   ɹ༰қʹࢀরͰ͖Δ   ɹچStoreKitͰ΋ग़དྷ͕ͨ…   ɹɹηΩϡΞͱ͸ݴ͍೉͍΍Γํͩͬͨ   ɹɹܕ҆શʹࢀর͢ΔҝʹखલͰؤுͬͯσίʔυ͢Δ   ɹɹඞཁ͕͋ͬͨ

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StoreKit2Ͱ৽ͨʹͰ͖Δࣄ ɾฦۚϦΫΤετΛ࣮૷Ͱ͖Δ   ɹ 返⾦リクエストボタンを押す返⾦リクエスト返⾦リクエスト通知購⼊情報を   提出返⾦と判断されれば   返⾦

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ɾiOS15ະຬ   ɹ=>async/await backport ͕དྷͨΒมΘΔ͔΋…   ɾApple School Manager΍Apple Business Manager্Ͱ   ɹVolume Purchase ProgramΛར༻͍ͯ͠Δ৔߹   ɾΞϓϦͷ༧໿ൢചػೳΛར༻͢Δ৔߹   ɾաڈʹ༗ྉΞϓϦ͕ͩͬͨϑϦʔϛΞϜϞσϧʹ   ɹҠߦͨ͠ΞϓϦͷ৔߹ɺ·ͨ͸ͦͷٯͷ৔߹   ɹ=>StoreKit2ʹ·ͩAPI (preorder_date) ͕ଘࡏ͠ͳ͍ StoreKit2͕࢖͑ͳ͍έʔε

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ΞδΣϯμ ɾΞϓϦ಺՝࣮ۚ૷ͷ֓ཁ   ɾStoreKitͱStoreKit2ͷҧ͍(ߪೖɾ෮ݩػೳΛ௥͍ͳ͕Β)   ɾStoreKit2Ͱ৽ͨʹͰ͖Δࣄ   ɾ·ͱΊ

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·ͱΊ ● ͨͩͰܾ͑͞ࡁॲཧ͸ෳࡶͳॴʹ   چStoreKitͷSKPaymentTransactionObserverΛத৺ͱͨ͠ઃܭ͕   ͞Βʹෆඞཁͳෳࡶ͞ΛੜΜͰ͠·͍ͬͯͨ   - ߪೖɺ෮ݩॲཧ࣮૷ʹ͓͚ΔόοΫάϥ΢ϯυॲཧͷߟྀ   - ঎඼ͷछผຖͷద੾ͳॲཧͷҧ͍   - ߋʹ௥Ճػೳ(Promoting IAP, Subscription Offer, etc…)Λར༻͢Δ   શ෦ࡌͤͨঢ়ଶͷSKPaymentTransactionObserverΛ૝૾ͯ͠Έ·͠ΐ͏   ɹͱͯ΋͔ΜͨΜͱ͸ݴ͍೉͍ɻਅ໘໨ʹ޲͖߹͏ͱઐ໳৬͕ඞཁͳϨϕϧ   ɹ3rd partyϥΠϒϥϦΛ࢖͍ͨ͘ͳΔؾ࣋ͪ΋෼͔Δ ● StoreKit2Ͱ͸Observerύλʔϯ͸ഇࢭ͞Εɺasync/await͕෼͔Ε͹෼͔Δ͙Β͍ͷ   ۙ୅Խ͕͞Ε͍ͯΔ   ࣮ʹ…࣮ʹγϯϓϧͳAPIʹͳͬͨ   ։ൃ͢ΔΞϓϦʹඞཁͳܾࡁॲཧͷ࣮૷ʹूதͰ͖ΔΑ͏ʹͳͬͨɻૣ͘࢖͍͍ͨ…ɻ ● App Store Server΋(·ͩ࢖͑ͳ͍ͷͰͲ͏ͳΔ͔෼͔Βͳ͍͚Ͳ)ૣ͘࢖͍͍ͨ…ɻ

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ࢀߟ ɾMeet StoreKit 2 @ WWDC21   ɹhttps://developer.apple.com/videos/play/wwdc2021/10114/ ɾManage in-app purchases on your server @ WWDC21   ɹhttps://developer.apple.com/videos/play/wwdc2021/10174/ ɾSupport customers and handle refunds @ WWDC21   ɹhttps://developer.apple.com/videos/play/wwdc2021/10175 ɾIn-App Purchase   ɹhttps://developer.apple.com/documentation/storekit/in-app_purchase ɾImplementing a Store In Your App Using the StoreKit API   ɹhttps://developer.apple.com/documentation/storekit/in-app_purchase/implementing_a_store_in_your_app_using_the_storekit_api ɾApp Store Server API   ɹhttps://developer.apple.com/documentation/appstoreserverapi