【iOSDC Japan 2025】ノーコードアプリプラットフォームを支える Server-Driven UI 〜Block UIアーキテクチャの設計と実装〜

by Cychow

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜΛࢧ͑Δ Server-Driven UI ʙBlock UIΞʔΩςΫνϟͷઃܭͱ࣮૷ʙ

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ന਺ӥ࢘/ Shirakazu Eiji גࣜձࣾϠϓϦ iOSάϧʔϓ @cychow_app ຊ೔ͷεϥΠυ΋ ֬ೝͰ͖ΔΑʂʂ

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜ:BQQMJͱlBlock UIz ·ͱΊ lBlock UIz͸ͲͷΑ͏ʹઃܭ͞Ε͍ͯΔ͔ lBlock UIz࣮૷ɿએݴతUIͱServer-Driven UIͷཱ྆

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜ:BQQMJͱlBlock UIz ·ͱΊ lBlock UIz͸ͲͷΑ͏ʹઃܭ͞Ε͍ͯΔ͔ lBlock UIz࣮૷ɿએݴతUIͱServer-Driven UIͷཱ྆

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ಋೖΞϓϦ਺ 900 ໿

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YappliͰߏஙͨ͠UIσβΠϯྫ

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࣮ࡍͷUIߏஙը໘ CMS ͷ༷ࢠ

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࣮ࡍͷUIߏஙը໘ CMS ͷ༷ࢠ

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ॊೈ͔ͭϦονͳ6*Λߏங͍ͯ͠Δͷ͸ʜ WebViewͰߏஙͯ͠ ͍ΔΜͩΖ͏͔ʁʁʁ 🤔 ೖࣾ௚ޙͷࢲ

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WebViewͰߏஙͯ͠ ͍ΔΜͩΖ͏͔ʁʁʁ 🤯 ❌ ॊೈ͔ͭϦονͳ6*Λߏங͍ͯ͠Δͷ͸ʜ ೖࣾ௚ޙͷࢲ

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4XJGU6*Ͱߏங͍ͯ͠·ͨ͠ʂʂ ॊೈ͔ͭϦονͳ6*Λߏங͍ͯ͠Δͷ͸ʜ

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ࢲ͕ೖࣾͯ͠ײಈͨ͠ϠϓϦͷ lBlock UIz ʹ͍ͭͯຊ೔͸͝঺հʂʂ✨ 🥳

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜ:BQQMJͱlBlock UIz ·ͱΊ lBlock UIz͸ͲͷΑ͏ʹઃܭ͞Ε͍ͯΔ͔ lBlock UIz࣮૷ɿએݴతUIͱServer-Driven UIͷཱ྆

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“Block UI”ͱ͸ ๏“Block UI”ͱ͸ w σʔλιʔεͱඥͮ͘ը໘ͷ෦඼“Block” w ๛෋ͳ6*දݱ w ϦΞϧλΠϜ൓ө

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“Block UI”ͱ͸ ๏“Block UI”ͱ͸ w σʔλιʔεͱඥͮ͘ը໘ͷ෦඼“Block” w ๛෋ͳ6*දݱ • ϦΞϧλΠϜ൓ө #MPDL6*͸ʮServer-Driven UIʯʂʂ

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UIߏஙը໘ CMS ͷৄࡉ ͜ͷBlockʹ஫໨

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BlockͷҰཡ͕ϦετܗࣜͰදࣔ UIߏஙը໘ CMS ͷৄࡉ

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͕֘͜͜౰ͷ#MPDLͱͳΔ UIߏஙը໘ CMS ͷৄࡉ

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UIߏஙը໘ CMS ͷৄࡉ ʮελΠϧʯͰϨΠΞ΢τͷύϥϝʔλͳͲΛઃఆ

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3ͭͷAPIʹΑΔUIߏங ϨΠΞ΢τ৘ใ Layout API ΞϐΞϥϯε৘ใ Property API දࣔσʔλ৘ใ Data API

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ΞϐΞϥϯε৘ใ Property API දࣔσʔλ৘ใ Data API ϨΠΞ΢τ৘ใ Layout API 3ͭͷAPIʹΑΔUIߏங ϨΠΞ΢τ৘ใ Layout API

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ϨΠΞ΢τ৘ใ Layout API දࣔσʔλ৘ใ Data API 3ͭͷAPIʹΑΔUIߏங ΞϐΞϥϯε৘ใ Property API

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ϨΠΞ΢τ৘ใ Layout API දࣔσʔλ৘ใ Data API ΞϐΞϥϯε৘ใ Property API 3ͭͷAPIʹΑΔUIߏங දࣔσʔλ৘ใ Data API

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3ͭͷAPIʹΑΔUIߏங ϨΠΞ΢τ৘ใ Layout API ΞϐΞϥϯε৘ใ Property API දࣔσʔλ৘ใ Data API

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Block UIͷ6૚ߏ଄ Block Block͚ͩͰ͸ͳ͍…ʁ 🤔

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Block UIͷ6૚ߏ଄ Block Group Space Page Item Element

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Block UIͷ6૚ߏ଄ Page • ̍ը໘Λද͢ɻ Page

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Block UIͷ6૚ߏ଄ Space Page • ̍ը໘Λߏ੒͢Δཁૉ Space

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Block UIͷ6૚ߏ଄ Space Page • ̍ը໘Λߏ੒͢Δཁૉ Space

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Block UIͷ6૚ߏ଄ Group Space Page • BlockΛάϧʔϐϯά͢Δ΋ͷ Group

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Block UIͷ6૚ߏ଄ Group Space Page • BlockΛάϧʔϐϯά͢Δ΋ͷ Group

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Block UIͷ6૚ߏ଄ Block Group Space Page Block wσʔλιʔεʹඥͮ͘ը໘ͷ෦඼ wجຊϒϩοΫɺϨΠΞ΢τϒϩο ΫɺϢχʔΫϒϩοΫͱ͍ͬͨ΋ ͷ͕͋Δɻ

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Block UIͷ6૚ߏ଄ Block Group Space Page Block wσʔλιʔεʹඥͮ͘ը໘ͷ෦඼ wجຊϒϩοΫɺϨΠΞ΢τϒϩο ΫɺϢχʔΫϒϩοΫͱ͍ͬͨ΋ ͷ͕͋Δɻ

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Block UIͷ6૚ߏ଄ Block Group Space Page wσʔλιʔεʹඥͮ͘ը໘ͷ෦඼ wجຊϒϩοΫɺϨΠΞ΢τϒϩο ΫɺϢχʔΫϒϩοΫͱ͍ͬͨ΋ ͷ͕͋Δɻ Block

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Block UIͷ6૚ߏ଄ Block Group Space Page Item w͢΂ͯͷBlockʹItemؚ͕·ΕΔ wॎ૊ΞΠςϜɺԣ૊ΞΠςϜɺ ΧʔυܕΞΠςϜͳͲ͕͋Δɻ Item

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Block UIͷ6૚ߏ଄ Block Group Space Page Item w͢΂ͯͷBlockʹItemؚ͕·ΕΔ wॎ૊ΞΠςϜɺԣ૊ΞΠςϜɺ ΧʔυܕΞΠςϜͳͲ͕͋Δɻ Item

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Block UIͷ6૚ߏ଄ Block Group Space Page Item Element w࠷খͷίϯϙʔωϯτ wςΩετ΍Πϝʔδ Element

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Block UIͷ6૚ߏ଄ Block Group Space Page Item Element w࠷খͷίϯϙʔωϯτ wςΩετ΍Πϝʔδ Element

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͜͜·ͰͰগ͓͠͞Β͍ w “Block UI”ͱ͸ w σʔλιʔεͱඥͮ͘ը໘ͷ෦඼“Block”Λ૊Έ ߹ΘͤΔ͜ͱͰϢʔβʔΠϯλʔϑΣʔεΛߏங ͢Δɻ w ΞϓϦଆ͸ͭͷ"1*͔Β৘ใΛऔಘ͠ɺϨϯμ Ϧϯά͍ͯ͠Δɻ 4FSWFS%SJWFO6* w 1BHFɺ4QBDFɺ(SPVQɺ#MPDLɺ*UFNɺ &MFNFOUͷ૚ߏ଄ͱͳ͍ͬͯΔɻ

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜ:BQQMJͱlBlock UIz ·ͱΊ lBlock UIz͸ͲͷΑ͏ʹઃܭ͞Ε͍ͯΔ͔ lBlock UIz࣮૷ɿએݴతUIͱServer-Driven UIͷཱ྆

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4XJGU6*Ͱߏங͍ͯ͠·ͨ͠ʂʂ ॊೈ͔ͭϦονͳ6*Λߏங͍ͯ͠Δͷ͸ʜ

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UIߏஙը໘ CMS Ͱઃఆͨ͠ϨΠΞ΢τ ৘ใͳͲΛͲͷΑ͏ʹ֤ͯ͠૚ͷViewʹద ༻͍ͯ͠ΔΜͩΖ͏ʜʁ 🤔

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ϨΠΞ΢τ৘ใߋ৽ͷ࿈࠯ͷྲྀΕ 1. ϨΠΞ΢τ৘ใΛߋ৽ 4. SwiftUIͷએݴతهड़ʹΑΓશUIࣗಈ࠶ඳը 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ 2. Pageͷσʔλߋ৽ॲཧΛ࣮ߦ

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ϨΠΞ΢τ৘ใߋ৽ͷ࿈࠯ͷྲྀΕ 1. ϨΠΞ΢τ৘ใΛߋ৽ 2. Pageͷσʔλߋ৽ॲཧΛ࣮ߦ 4. SwiftUIͷએݴతهड़ʹΑΓશUIࣗಈ࠶ඳը 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽

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w 1BHFʹͯσʔλߋ৽ϝιου͕ൃՐ͢ΔΑ͏ʹઃఆ 2.Pageͷσʔλߋ৽ॲཧ͕࣮ߦ

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ϨΠΞ΢τ৘ใߋ৽ͷ࿈࠯ͷྲྀΕ 1. ϨΠΞ΢τ৘ใΛߋ৽ 4. SwiftUIͷએݴతهड़ʹΑΓશUIࣗಈ࠶ඳը 2. Pageͷσʔλߋ৽ॲཧΛ࣮ߦ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽

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w ڞ௨ͷઃఆΛ֤૚ BlockɺItemɺElmentͳͲ Ͱ෇༩Մೳ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ֎؍ઃఆͷඪ४Խ

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w ڞ௨ͷઃఆΛ֤૚ BlockɺItemɺElmentͳͲ Ͱ෇༩Մೳ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ֎؍ઃఆͷඪ४Խ

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w ڞ௨ͷઃఆΛ֤૚ BlockɺItemɺElmentͳͲ Ͱ෇༩Մೳ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ֎؍ઃఆͷඪ४Խ

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w ڞ௨ͷઃఆΛ֤૚ BlockɺItemɺElmentͳͲ Ͱ෇༩Մೳ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ֎؍ઃఆͷඪ४Խ

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֤૚Ͱॊೈͳදݱ͕ ༰қʹՄೳʹʂ✨ 🤩 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ֎؍ઃఆͷඪ४Խ w ڞ௨ͷઃఆΛ֤૚ BlockɺItemɺElmentͳͲ Ͱ෇༩Մೳ

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w 'VOEBNFOUBM7JFXͰ೚ҙͷ7JFXΛϥοϓ͢Δ͜ͱͰϨΠΞ΢τ৘ใΛద༻ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ7JFX΁ͷద༻

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w 'VOEBNFOUBM7JFXͰ೚ҙͷ7JFXΛϥοϓ͢Δ͜ͱͰϨΠΞ΢τ৘ใΛద༻ 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ɿ7JFX΁ͷద༻

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ϨΠΞ΢τ৘ใߋ৽ͷ࿈࠯ͷྲྀΕ 1. ϨΠΞ΢τ৘ใΛߋ৽ 4. SwiftUIͷએݴతهड़ʹΑΓશUIࣗಈ࠶ඳը 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ 2. Pageͷσʔλߋ৽ॲཧΛ࣮ߦ

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ϨΠΞ΢τ৘ใߋ৽ͷ࿈࠯ͷྲྀΕ 1. ϨΠΞ΢τ৘ใΛߋ৽ 4. SwiftUIͷએݴతهड़ʹΑΓશUIࣗಈ࠶ඳը 3. FundamentalViewʹΑΔϨΠΞ΢τߋ৽ 2. Pageͷσʔλߋ৽ॲཧΛ࣮ߦ 'VOEBNFOUBM7JFXʹΑΔॊೈ͞ Λग़ͭͭ͠ɺએݴత6*ͷಛ௃Ͱશମʹ ఻೻͍ͤͯ͞Δʂʂ 😁

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ϊʔίʔυΞϓϦϓϥοτϑΥʔϜ:BQQMJͱlBlock UIz ·ͱΊ lBlock UIz͸ͲͷΑ͏ʹઃܭ͞Ε͍ͯΔ͔ lBlock UIz࣮૷ɿએݴతUIͱServer-Driven UIͷཱ྆

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·ͱΊ • "Block UI”ʹ͍ͭͯ • PageɺSpaceɺGroupɺBlockɺItemɺElementͷ6૚ߏ଄ʹ෼͔Ε͓Γɺ Server-Driven UIͷ࢓૊ΈΛར༻͠ɺUIΛߏங͍ͯ͠Δɻ • WebViewͰ͸ͳ͘ɺSwiftUIʹΑͬͯߏங͞Ε͍ͯΔɻ • એݴతUIͱServer-Driven UIͷͦΕͧΕͷಛ௃Λ׆͔͠ɺσʔλߋ৽Λߦ ͳ͍ͬͯΔɻ