課題感から始めるクラス設計と合意形成

by きりみん

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՝୊ײ͔Β࢝ΊΔ Ϋϥεઃܭͱ߹ҙܗ੒ Bonﬁre Android #3

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ࣗݾ঺հ • @kirimin • AnyPayגࣜձࣾ ॴଐ • AndroidΤϯδχΞ • όʔνϟϧϢʔνϡʔόʔ • React-NativeΤϯδχΞ

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ฐࣾͷϓϩμΫτ

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ࠓ೔ͷςʔϚ ʮαʔϏεͱઃܭʯ

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ઃܭɺߟ͑ͯ·͔͢ʁ

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ʲΞϯέʔτʳઃܭʹ͍ͭͯ • ͕ͬͪΓΫϥεߏ੒ΛܾΊͯӡ༻͍ͯ͠Δ

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ʲΞϯέʔτʳઃܭʹ͍ͭͯ • ͕ͬͪΓΫϥεߏ੒ΛܾΊͯӡ༻͍ͯ͠Δ • ωοτϫʔΫ·ΘΓͱ͔ج൫ͷ෦෼ͷΫϥε ߏ੒͚ܾͩΊͯ͋ͱ͸࣮૷ऀ࣍ୈ

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ʲΞϯέʔτʳઃܭʹ͍ͭͯ • ͕ͬͪΓΫϥεߏ੒ΛܾΊͯӡ༻͍ͯ͠Δ • ωοτϫʔΫ·ΘΓͱ͔ج൫ͷ෦෼ͷΫϥε ߏ੒͚ܾͩΊͯ͋ͱ͸࣮૷ऀ࣍ୈ • શવΘ͔Βͳ͍ɻԶͨͪ͸งғؾͰΦϒδΣ Ϋτࢦ޲Λ΍͍ͬͯΔ

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͍Ζ͍Ζͳઃܭύλʔϯ .71 .7$ .77. ""$ 'MVY 3FEVY

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ͳΜͰઃܭΛߟ͑Δඞཁ͕ ͋ΔΜͩΖ͏

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ͦ͜ʹ՝୊͕͋Δ͔Β

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͑Β͍ͻͱʮMVP͕ΠέͯΔ Β͍͔͠Βɺ࣍ͷΞϓϦ͸ MVPͰ΍ͬͯͶʯ

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·ΕʹΑ͋͘Δޫܠ • ͑Β͍ͻͱʮMVP͕ΠέͯΔΒ͍͔͠Βɺ࣍ͷ ΞϓϦ͸MVPͰ࡞ͬͯࣗಈςετΛಋೖͶʯ

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·ΕʹΑ͋͘Δޫܠ • ͑Β͍ͻͱʮMVP͕ΠέͯΔΒ͍͔͠Βɺ࣍ͷ ΞϓϦ͸MVPͰ࡞ͬͯࣗಈςετΛಋೖͶʯ • ϝϯόʔʮͳΜͰ͜Μͳ໘౗ͳॻ͖ํ͠ͳ͍ͱ ͍͚ͳ͍Μͩ...ʯʮԿ͕ਖ਼͍͠ͷ͔෼͔Βͳ ͍...ʯ

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·ΕʹΑ͋͘Δޫܠ • ͑Β͍ͻͱʮMVP͕ΠέͯΔΒ͍͔͠Βɺ࣍ͷ ΞϓϦ͸MVPͰ࡞ͬͯࣗಈςετΛಋೖͶʯ • ϝϯόʔʮͳΜͰ͜Μͳ໘౗ͳॻ͖ํ͠ͳ͍ͱ͍ ͚ͳ͍Μͩ...ʯʮԿ͕ਖ਼͍͠ͷ͔෼͔Βͳ͍...ʯ • ՝୊ײ͕ೝࣝग़དྷ͍ͯͳ͍ͷʹઃܭͱݴΘΕͯ΋ ϝϦοτΛ࣮ײ͢Δͷ͸Ή͔͍ͣ͠

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શવΘ͔Βͳ͍ɻ Զͨͪ͸งғؾͰྲྀߦΓͷ ઃܭΛ΍͍ͬͯΔ

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ରࡦ

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1.νʔϜͱͯ͠ग़དྷΔ͜ͱ

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ࠓͷϓϩδΣΫτͷ՝୊Λ ચ͍ग़͢ • Ͳ͜ʹͲΜͳॲཧ͕ॻ͔Ε͍ͯΔͷ͔෼͔Βͳ ͍ • ৽͍͠ॲཧΛͲ͜ʹॻ͚͹͍͍ͷ͔෼͔Βͳ͍ • ঢ়ଶ͕ແବʹෳࡶͰෆ޾ͳόά͕ࠞೖ͕ͪ͠ • ίʔυ͕ಡΈʹ͘͘վमίετ͕ߴ͍

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ࠓ͋Δ՝୊ΛղܾͰ͖ͦ͏ͳύ λʔϯΛಋೖ͠Α͏ • ٯʹ՝୊͕ಛʹແ͚Ε͹ແཧʹΧοίΠΠઃܭύλʔ ϯΛ࢖Θͳͯ͘΋͍͍ • ࢥ૝తʹਖ਼͍͠ΨονϦͨ͠ઃܭ͕ৗʹ༏Ε͍ͯΔ ͱ͸ݶΒͳ͍ɹ(શͯͷΫϥεΛinterfaceԽ͢Δͳ Ͳ) • ͨͩ͠ɺকདྷతͳ՝୊͕༧ݟग़དྷ͍͍ͯͯΔͳΒ࠷ ॳ͔ΒΨονϦ૊Ήͷ͸ѱ͘ͳ͍

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ݸਓతʹ࠷௿ݶܾΊ͓͍ͯͨํ ͕Αͦ͞͏ͳ͜ͱ • ࢖͏ϥΠϒϥϦͱ࢖͍ํ • DataBinding/RxJava/Retroﬁt/EventBus/etc... • σʔλΞΫηεॲཧͷݺͼग़͠ํ • View͔ΒݺͿ/Ϟσϧ͔ΒݺͿ/RepositoryతͳͷΛ࡞Δ/࡞Β ͳ͍ • ϏδωεϩδοΫΛॻ͘৔ॴ • ϞσϧΫϥεͬΆ͍΋ͷ͕͍ΖΜͳύοέʔδʹࢄΒ͹Γ͕ͪ

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2.։ൃऀݸਓͱͯ͠ Ͱ͖Δ͜ͱ

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࣮૷࣌ͷ͋Γ͕ͪͳ՝୊Λ஌Δ • Φεεϝͳͷ͸ݸਓͰ0͔ΒΞϓϦΛ࡞ͬͯΈΔ͜ͱ • ͦͦ͜͜ͷػೳΛ࣋ͬͨΞϓϦΛҰਓͰ࡞ΓɺԿ౓΋ػೳ վળͷΞοϓσʔτΛ͍ͯ͘͠ • ͍Ζ͍Ζͳ՝୊͕ݟ͑ͯ͘Δ • ྑ͔Εͱࢥͬͨઃܭ͕ͭΒΈΛੜΉͳͲͷ஌ݟ͕ಘΒΕΔ • ઃܭʹࣦഊͨ͠ܦݧ͸Ұੜͷࡒ࢈

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ཧ૝ • νʔϜʮ͜͏͍͏՝୊͕͋Δ͔Β͜ͷઃܭΛ ಋೖ͠Α͏ʯ • ϝϯόʔʮΘ͔Δʯ

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͡Ό࣮͋ࡍʹͲ͏΍ͬͯಋೖ ͢Δͷʁ

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paymoͰͷྫ

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ఏҊ͢Δ • ॳظͷ࣮૷͸͍Ζ͍Ζͳ՝୊͕͋Δઃܭͩͬͨɹ (DroidKaigiͰͷൃදɺHow to improve your architecture and testsΛࢀর) • ·ͣ͸ேձ΍SlackͳͲͰ՝୊ײͱ΍Γ͍ͨ͜ͱΛप஌͢Δ • GitHubʹIssueΛཱͯΔ • จষϕʔεͰํ޲ੑʹ͍ͭͯٞ࿦͠νʔϜ಺Ͱ߹ҙ͢Δ

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۩ମҊΛݟͤΔ • αϯϓϧͱͯ͠ҰՕॴʹద༻͍ͨ͠ઃܭΛద༻͠ ͨϒϥϯνΛ࡞ΓɺPRΛग़͢ • ίʔυʹରͯ͠ϝϯόʔ͔Β޿͘ποίϛΛืΔ • ίʔυϕʔεͰߋʹٞ࿦͢Δ • ApproveΛ΋Β͍߹ҙͷҙࢥΛ໌֬ʹ֬ೝ͢Δ

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ϦϑΝΫλΛ࣮ࢪ͢Δ • ৽࣮͘͠૷͢ΔՕॴ͸৽͍͠ઃܭʹ߹ΘͤΔ • ݹ͍Օॴ͸εέδϡʔϧͳͲͱ૬ஊ͠ͳ͕Β ॱ࣍ॻ͖׵͍͑ͯ͘

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େࣄͳ͜ͱ • ҰਓͰಥͬ૸Βͳ͍ • ৽͍͠ઃܭ͕ϝϯόʔײͰे෼ʹप஌͞Ε͍ͯͳ ͔ͬͨΓɺҙࣝ߹Θ͕ͤग़དྷ͍ͯͳ͍ͱɺ࣮૷ऀ ʹΑͬͯνάϋάʹͳͬͨΓɺετϨεͷݪҼʹ ͳΔ • ઃܭͷର৅͸ϓϩάϥϜ͕ͩɺେࣄͳͷ͸ਖ਼͍͠ ՝୊ͷೝࣝͱίϛϡχέʔγϣϯ

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