iOSDC 20190906: 動画アプリの投げ銭機能における 消耗型課金の仕組みと実装

by Takeshi Ihara

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ಈըΞϓϦͷ౤͛મػೳʹ͓͚Δ  ফ໣ܕ՝ۚͷ࢓૊Έͱ࣮૷ 2019/09/06 iOSDC 2019 Takeshi Ihara

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Takeshi Ihara • 2018.09.01 AbemaTV Join • 2018.09.02 iOSDC 2018 LT ʮখ͘͞͸͡ΊΔ୺຤؅ཧʯ • ϘϧμϦϯάͱ֨ಆήʔϜ͕झຯ • https://twitter.com/nonchalant0303

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αϙʔτػೳ (AbemaTV) • 2019.04.22  αϙʔτػೳΛ  ϦϦʔεʂ  ൪૊΍൪૊ग़ԋऀʹ ελϯϓΛૹͬͯ  αϙʔτ͕Ͱ͖Δʂ

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αϙʔτ͢Δͧʂ

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1. App಺՝ۚ 2. ՝ۚܗࣜʹΑΔҧ͍ 3. AbemaTVʹ͓͚Δফ໣ܕ՝ۚͷઃܭ 4. AbemaTVʹ͓͚Δফ໣ܕ՝ۚͷಈ࡞ݕূ 5. ·ͱΊ

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App಺՝ۚ

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App಺՝ۚͱ͸ • App ಺՝ۚͱ͸ɺiOS σόΠε΍ίϯϐϡʔλ্ͷ   App ͷதͰ௥Ճͷίϯςϯπ΍ఆظߪಡίϯςϯπΛ  ߪೖͰ͖Δ࢓૊Έ https://support.apple.com/ja-jp/HT202023

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՝ۚܗࣜ • ফ໣ܕ (Consumable) - ΞϓϦ಺௨՟ͳͲ Ұ౓࢖͏ͱͳ͘ͳΓɺ࠶ߪೖ͢Δ͜ͱ͕Ͱ͖Δ  • ඇফ໣ܕ (Non-Consumable) - ޿ࠂͷඇදࣔͳͲ Ұ౓ͷߪೖ͚ͩͰແ੍ݶʹ࢖༻Ͱ͖Δ • ࣗಈߋ৽αϒεΫϦϓγϣϯ (Auto-Renewable Subscriptions) - ֹ݄VODͳͲ ݄ؒαʔϏε΍ఆظతʹΞοϓσʔτ͞ΕͨίϯςϯπΛߪೖ͢Δ͜ͱ͕Ͱ͖Δ • ඇߋ৽αϒεΫϦϓγϣϯ (Non-Renewing Subscriptions) - γʔζϯύεͳͲ ظؒݶఆͷαʔϏε΍ίϯςϯπΛߪೖ͢Δ͜ͱ͕Ͱ͖Δ

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AbemaTVʹ͓͚Δࣗಈߋ৽αϒεΫϦγϣϯ • ¥960/݄ͰϓϨϛΞϜػೳΛఏڙ 1. ͢΂ͯͷ࡞඼͕ݟ์୊ 2. ޿ࠂͳ͠ͰϏσΦΛ͙͢࠶ੜ 3. ์ૹதͰ΋࠷ॳ͔ΒΈΒΕΔ 4. μ΢ϯϩʔυͰ௨৴ྔΛ΄΅θϩʹ 5. ์ૹޙͷ൪૊Ͱ΋ίϝϯτָ͕͠ΊΔ

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AbemaTVʹ͓͚Δফ໣ܕ՝ۚ • ΞϓϦ಺௨՟(AbemaίΠϯ) ίΠϯͰελϯϓΛߪೖͯ͠ɺ  ൪૊΍൪૊ग़ԋऀʹελϯϓΛૹͬͯ  αϙʔτ͕Ͱ͖Δʂ

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՝ۚܗࣜʹΑΔҧ͍

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՝ۚܗࣜʹΑΔػೳͷҧ͍ ࠶ߪೖͷՄ൱ Ϩγʔτ΁ͷදࣔ σόΠεؒͰͷಉ ظ ෮ݩ ফ໣ܕ ˓  Կ౓Ͱ΋ ࠶ߪೖ·Ͱ ಉظͳ͠ ෮ݩ͞Εͳ͍ ඇফ໣ܕ ✖ ৗʹ γεςϜʹΑΓಉ ظ γεςϜʹΑΓಉ ظ ࣗಈߋ৽  αϒεΫϦϓγϣ ϯ ✖  ࣗಈతʹߋ৽͞Ε Δ ৗʹ γεςϜʹΑΓಉ ظ γεςϜʹΑΓಉ ظ ඇߋ৽αϒεΫϦ ϓγϣϯ ˓ ߋ৽͢Δ ৗʹ "QQʹΑΓಉظ "QQʹΑΓಉظ https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Products.html#//apple_ref/doc/uid/TP40008267-CH2-SW2 https://developer.apple.com/jp/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Restoring.html#//apple_ref/doc/uid/TP40008267-CH8-SW9

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࠶ߪೖ͕Կ౓Ͱ΋ग़དྷΔ • ϩʔΧϧͷϨγʔτͷߪೖཤྺ্͕ॻ͖͞ΕΔ ߪೖʹԠͨ͡ΠϯηϯςΟϒΛϢʔβʔʹ෇༩Ͱ͖ͳ͘ͳΔ  AppStoreʹΑΔ՝ۚॲཧ͸׬͍ྃͯ͠Δ → ՝͚ۚͩൃੜͯ͠ϢʔβʔʹΠϯηϯςΟϒΛ  ෇༩͍ͯ͠ͳ͍ঢ়ଶ

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{ "receipt": { …, "in_app": [ { "product_id": “com.nonchalant.consumable1”, "transaction_id": "1000000551439498", "purchase_date": "2019-09-01 00:00:00 Etc/GMT”, … } ] } } Ϩγʔτ (ॳճߪೖ࣌) https://developer.apple.com/library/archive/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1

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{ "receipt": { …, "in_app": [ { "product_id": “com.nonchalant.consumable1", "transaction_id": "1000000556349963", "purchase_date": "2019-09-03 10:10:26 Etc/GMT”, … } ] } } Ϩγʔτ (࠶ߪೖ࣌) https://developer.apple.com/library/archive/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1

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࠶ߪೖ͕ग़དྷΔ৚݅ • ಉ͡঎඼ͷ՝ۚτϥϯβΫγϣϯ͕ऴ͍ྃͯ͠Δ ՝ۚτϥϯβΫγϣϯ → SKPaymentTransaction τϥϯβΫγϣϯ͕ऴ͍ྃͯ͠Δ → SKPaymentQueue.ﬁnishTransaction(_:)

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՝ۚτϥϯβΫγϣϯͷѻ͍ͷ஫ҙ఺ • ΠϯηϯςΟϒΛ෇༩͢Δ·ͰτϥϯβΫγϣϯΛऴྃͯ͠͸͍͚ͳ͍ > Once you’ve delivered the product, your 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͸  ҙࣝ͠ͳͯ͘΋໰୊ͳ͍ ඇফ໣ܕɺࣗಈߋ৽αϒεΫϦϓγϣϯɺඇߋ৽αϒεΫϦϓγϣϯ https://www.rapid-ideas.com/previews/wsa/page9/files/StoreKitGuide.pdf

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AbemaTVʹ͓͚Δ  ফ໣ܕ՝ۚͷઃܭ

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ফ໣ܕ՝ۚͷߪೖϑϩʔ 4. ϨγʔτݕূϦΫΤετ 5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ  ෇༩ App Store AbemaTV iOS AbemaTV Server 7. ׬ྃϨεϙϯε (201) 1. ߪೖϦΫΤετ  (τϥϯβΫγϣϯͷ։࢝) 8. τϥϯβΫγϣϯ  ͷऴྃ 2. ߪೖ׬ྃ 3. Ϩγʔτૹ৴

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ফ໣ܕ՝ۚͷߪೖϑϩʔ 4. ϨγʔτݕূϦΫΤετ 5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ  ෇༩ App Store AbemaTV iOS AbemaTV Server 7. ׬ྃϨεϙϯε (201) 1. ߪೖϦΫΤετ  (τϥϯβΫγϣϯͷ։࢝) 8. τϥϯβΫγϣϯ  ͷऴྃ 3. Ϩγʔτૹ৴ 2. ߪೖ׬ྃ

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՝ۚ׬ྃޙʹࣦഊ͢Δέʔε 1 4. ϨγʔτݕূϦΫΤετ 5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ  ෇༩ App Store AbemaTV iOS AbemaTV Server 7. ׬ྃϨεϙϯε (201) 1. ߪೖϦΫΤετ  (τϥϯβΫγϣϯͷ։࢝) 8. τϥϯβΫγϣϯ  ͷऴྃ 3. Ϩγʔτૹ৴ 2. ߪೖ׬ྃ

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Ϩγʔτૹ৴ʹࣦഊ͢Δέʔε • ωοτϫʔΫͳͲͷ໰୊Ͱ  APIϦΫΤετͷ։࢝ʹࣦഊ͢Δέʔε • AppStoreʹΑΔ՝ۚ͸ൃੜ͍ͯ͠Δ • αʔόʔଆͰAbemaίΠϯ෇༩͕ग़དྷ͍ͯͳ͍ • ՝ۚτϥϯβΫγϣϯ͸ऴ͍ྃͯ͠ͳ͍ Ϣʔβʔ͕࠶ߪೖͰ͖ͳ͍

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՝ۚ׬ྃޙʹࣦഊ͢Δέʔε 2 4. ϨγʔτݕূϦΫΤετ 5. Ϩγʔτݕূ݁Ռ 6. AbemaίΠϯ  ෇༩ App Store AbemaTV iOS AbemaTV Server 7. ׬ྃϨεϙϯε (201) 1. ߪೖϦΫΤετ  (τϥϯβΫγϣϯͷ։࢝) 8. τϥϯβΫγϣϯ  ͷऴྃ 2. ߪೖ׬ྃ 3. Ϩγʔτૹ৴

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׬ྃϨεϙϯεʹࣦഊ͢Δέʔε • ΞϓϦͷΫϥογϡͳͲͰ  APIϨεϙϯεͷड৴ʹࣦഊ͢Δέʔε • AppStoreʹΑΔ՝ۚ͸ൃੜ͍ͯ͠Δ • αʔόʔଆͰAbemaίΠϯ෇༩͕׬͍ྃͯ͠ΔՄೳੑ͕͋Δ • ՝ۚτϥϯβΫγϣϯ͸ऴ͍ྃͯ͠ͳ͍ Ϣʔβʔ͕࠶ߪೖͰ͖ͳ͍

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ະ׬ྃτϥϯβΫγϣϯͷ ϦτϥΠ͕ඞཁ

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AbemaίΠϯະ෇༩ͷϦτϥΠ 3. ϨγʔτݕূϦΫΤετ 4. Ϩγʔτݕূ݁Ռ 5. AbemaίΠϯ  ෇༩ App Store AbemaTV iOS AbemaTV Server 6. ׬ྃϨεϙϯε (201) 7. τϥϯβΫγϣϯ  ͷऴྃ 2. Ϩγʔτૹ৴ 1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ  (SKPaymentQueue.transactions)

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AbemaίΠϯ෇༩ࡁΈͷϦτϥΠ 3. ϨγʔτݕূϦΫΤετ 4. Ϩγʔτݕূ݁Ռ App Store AbemaTV iOS AbemaTV Server 5. AbemaίΠϯ෇༩ࡁΈΤϥʔ (409) 6. τϥϯβΫγϣϯ  ͷऴྃ 2. Ϩγʔτૹ৴ 1. ະ׬ྃτϥϯβΫγϣϯͷऔಘ  (SKPaymentQueue.transactions)

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τϥϯβΫγϣϯ͕  ऴ͍ྃͯ͠Δ → AbemaίΠϯ͕  ෇༩͞Ε͍ͯΔ

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ϦτϥΠॲཧͷݺͿλΠϛϯά • ىಈ࣌ɺόοΫϑΥΞ࣌ɺίΠϯ࢒ߴදࣔ࣌ʹ  ϦτϥΠॲཧΛߦ͏ Ϣʔβʔ͕ίΠϯ࢒ߴΛ֬ೝ͢ΔલʹϦτϥΠ͢ΔΑ͏ʹͯ͠ɺ  ෆ੔߹ʹؾ෇͔ͤͮΒ͍ͤͯ͘͞Δ

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ϦτϥΠॲཧͷ஫ҙ఺ • ະ׬ྃτϥϯβΫγϣϯ͸SKPaymentQueue.transactionsͰ औಘͰ͖Δ ߪೖதͷτϥϯβΫγϣϯ΋ؚ·ΕΔ  • ਖ਼ৗͳߪೖϑϩʔͷࡍ͸ϦτϥΠॲཧ  ΛߦΘͳ͍ͳͲͷॲཧ͕ඞཁ

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AbemaTVʹ͓͚Δ  ফ໣ܕ՝ۚͷ  ಈ࡞ݕূ

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ݕূ߲໨ͷೝࣝ߹Θͤ • ߪೖϑϩʔ͕τϥϯβΫγϣϯͳͲͷ಺෦ͷঢ়ଶʹґଘͯ͠ ͍ΔͷͰɺQAνʔϜʹγʔέϯεਤΛ౉ͯ͠΋  ݕূ߲໨Λ࡞੒͢Δͷ͕೉͍͠ • ࣮ࡍʹͲͷΑ͏ͳঢ়گͰͲͷΑ͏ͳૢ࡞Λ͢Ε͹ɺͲͷΑ͏ ͳঢ়ଶʹͳΔ͔ͷೝࣝ߹ΘͤΛ͠ͳ͍ͱ  ݕূ߲໨Λ࡞੒Ͱ͖ͳ͍

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Mind Meister • ϚΠϯυϚοϓ࡞੒πʔϧͷMind MeisterΛ༻͍ͯ  ೝࣝ߹ΘͤΛ͠·ͨ͠ https://www.mindmeister.com/1309256136?t=X6wMB2GxG6

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ίΠϯपΓͷදࣔܥ

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ίΠϯपΓͷදࣔܥ

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੒ޭ͢Δߪೖϑϩʔ

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ࣦഊ͢Δߪೖϑϩʔ

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ߪೖϑϩʔͷಈ࡞ݕূ • ফ໣ܕ՝ۚͷߪೖϑϩʔΛ࣮૷ͨ͠αϯϓϧϓϩδΣΫτ https://github.com/Nonchalant/Consumable - Consumable In-App Purchase - Combine - SwiftUI

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·ͱΊ

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·ͱΊ • ফ໣ܕ՝ۚ͸ΠϯηϯςΟϒΛ෇༩͢Δ·Ͱ  τϥϯβΫγϣϯΛऴྃ͠ͳ͍ ࠶ߪೖ͢Δͱߪೖཤྺ্͕ॻ͖͞ΕΔͨΊ • ߪೖϑϩʔͰࣦഊ͢Δ͜ͱ͕͋ΔͷͰϦτϥΠػߏ͕ඞཁ ਖ਼ৗͳߪೖಋઢ্ͰϦτϥΠ͠ͳ͍

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Thank you