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ϨϏϡʔධՁ 4.7ͷൿີ by punchdrunker
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ࣗݾհ → Android > iOS > Rails → DroidKaigiͱ͔shibuya.apkӡӦ
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ΈͯͶͷϨϏϡʔධՁ → App Store 4.6 → Google Play 4.7
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͜͜1Ҏ্ ͣͬͱ4.5Ҏ্
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ΈͯͶΛͬͯ͘Ε͍ͯΔਓୡ → ͓͞Μɺ͓͞Μ → ͓͍ͪ͡ΌΜɺ͓͋ͪΌΜ → ੰͷΈͳ͞Μ → ࣗͨͪ։ൃϝϯόʔ PO͕Ұ൪ͷϔϏʔϢʔβʔ
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༷ΛܾΊΔਓ͕طଘͷ ༷ʹҰ൪ৄ͍͠
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ͳʹͱ͋ΕCSରԠ → ରԠϝϯόʔ 5໊ (ؚ݉Ή) → γϑτΛΜͰຖରԠ → ෆ۩߹ใࠂͷϨϏϡʔͳͲඞͣฦ৴ → ͍߹Θ͕ͤଟ͍ͷϔϧϓʹه → ͕গͳ͔ͬͨͱͯ͠ෆ۩߹ͷ༰ʹΑͬͯ ༏ઌతʹରԠ
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ग़དྷ͕ͨ࣌ೲظ
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ྑ͍αʔϏεCSॆ࣮ ͍ͯ͠Δ
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Θ͔Βͳ͍͜ͱͲΜͲΜฉ͜͏ → ϥΠϒϥϦͷதͰΫϥογϡ → issueυΩϡϝϯτΛ֬ೝ → ݟ͔ͭΒͳ͚Εฉ͘ → Կ͔͠ΒͷԠઈରΒ͑Δ → υΩϡϝϯτʹෆඋ͕͋Εߋ৽ͯ͠Β͑Δ
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࠷ۙ͋ͬͨRealmͷΫϥογϡ → realmϑΝΠϧͷϩʔυ࣌ʹΫϥογϡ → ಉ͡Τϥʔͷissueൃݟ → ΊͬͪΌεϨου৳ͼͯΔ → ݁ہͲ͏ͳͬͨͷ͔Α͘Θ͔ΒΜ
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3Ͱղܾͨ͠
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ରԠํ → յΕͯ͠·ͬͨΒϦΧόʔͰ͖ͳ͍ → ԿͰյΕͨͷ͔ௐΔͷແཧͦ͏ → ྫ֎ัଊͯ͠DB࡞Γ͔͢͠ͳ͍ ͍realmΩϟογϡΘΓʹ͍ͬͯͨͷͰɺ ΩϟογϡΛ࡞Γ͢͜ͱʹ
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Crash free rate → ఆظతʹνΣοΫ → ຖिͷ։ൃఆྫ → ϦϦʔεޙ 99.9%Ҏ্Λҡ࣋͢ΔΑ͏ʹ৺ֻ͚͍ͯΔ͕ɺ࠷ۙ Ҋ݅ͷϦϦʔεʹԡ͞Εͯௐؾຯɻɻɻ
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MDCରԠ ࣮Material DesignରԠશવͬͯͳͯ͘ɺϘλϯ ʹripple effect͕͋Δ͘Β͍ɻ ϫέ͋ͬͯFABແ͍Ͱ͢ɻ
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Mitene's Developer Experience
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Developer Experience (DX) ৭ʑͳจ຺ͰΘΕΔݴ༿Ͱ͕͢ɺࠓͷจ຺Ͱ ։ൃۀΛ ମݧͱͯ͠ଊ͑ɺࣗͨͪͷੜ࢈ੑΛվ ળ͢ΔͨΊͷج४ ͱ͓ͯ͠͠͠·͢ɻ
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ྑ͍ UX
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ར༻ମݧʹ಄Ͱ͖ ͯɺؾ͕͚͍ͭͭ ͦͷΞϓϦΛ͍ͬͯ Δ
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ྑ͍ DX
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࣌ؒΛΕͯ։ൃʹ಄ Ͱ͖Δ
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ѱ͍ DXͷྫ → ϝϞϦ͕4GB͔͠ੵΊͳ͍ → ίϛοτ͢Δͷʹ্࢘ͷϋϯί͕ඞཁ → ͍ͭෆ۩߹Λग़ͯ͠͠·ͬͨͷ͔Θ͔Βͳ͍ → ͪΐͬͱ৭Λม͍͚͑ͨͩͳͷʹɺͲ͜Λ͍͡Ε ྑ͍ͷ͔ෆ໌
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ྑ͍ DXͷྫ → ͖ͳOSɺεϖοΫΛબΔ → GithubͰؾܰʹϨϏϡʔґཔɺमਖ਼ରԠ͕Ͱ͖Δ → ίϛοτ୯ҐͰςετ͕͍ࣦͭഊ͔ͨ͠ѲͰ͖ Δ → ؾܰʹػೳՃͰ͖Δ
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͖͞΄ͲͷRealmͷྫ ։ൃπʔϧͷUXͱݴ͑Δ → OSSͳͷͰ෦͕Θ͔Δ → υΩϡϝϯτ͕ॆ࣮ → issuePR͕׆ൃͳͷͰώϯτΛݟ͚͍ͭ͢ → ͍߹ΘͤͷԠ͕ͯ͘త֬
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վળͨ͠DX
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Dangerಋೖ lintͷࢦఠϑΝΠϧͷमਖ਼࿙ΕͳͲΛGithubͷPR্ Ͱࢦఠͯ͘͠ΕΔbot(ruby) → ͜ͷstring͏ͬͯͳ͍Α → ͜ͷϑΝΠϧमਖ਼͞Εͯͳ͍͚Ͳେৎ? → ςετՃ͞Εͯͳ͍͚Ͳେৎ? → ࠩେ͖͗ͯ͢ϨϏϡʔͰ͖ͳ͍Α
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ݴޠϥΠϒϥϦͷΞοϓσʔτ ӨڹൣғΛߜΓ͍͢ͷͰɺۀҕୗ࢝͠Ί͍ͯΔ → SwiftͷCodableͱ͔ɺKotlin KTXͱ͔γϡοͱ͍ ͍ͨ → ࠷৽ͷػೳ͕͑Δͱ ςϯγϣϯ্͕Δ → GCM2.0͔ΒFCMͷΞοϓσʔτͱ͔5·ͨ͗ͷ ϥΠϒϥϦߋ৽ ؾ͕໓ೖΔ
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MVVMಋೖ → େ͖ͳػೳՃͷલʹઃܭΛݟͨ͠ → Ͳ͜ʹͲΜͳΫϥεΛஔ͚ྑ͍͔໎Θͳ͘ͳͬ ͨ → ςετ͕ॻ͖͘͢ͳͬͨ
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πʔϧڥͷݟ͠ → ཧΧϯόϯ͔ΒTrello Ҡߦ → Android Studiuo ʹUbuntu͕࠷ͰίεύΑ ͔ͬͨ → Ruby Mine ࠷ߴ → Circle CI 2.0ରԠͰςετര
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ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍
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ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ
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ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ
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ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ → ·ͨߦ͔ͤͯΒ͑Δ
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ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ → ·ͨߦ͔ͤͯΒ͑Δ → ϚΠϧ͕ஷ·Δ ✈
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࣮ࡍʹ͋ͬͨ ѱ͍DX
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͜ͷਓ໘͔ͩΒͳʙɺ ϨϏϡʔͷࢦఠ࠷খݶ ʹ͠Α͏
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HRTͷݪଇ (Team GeakΑΓ) ΊͪΌͪ͘ΌॏཁͳͷʹηϯγςΟϒͳͷͰվળ͢ Δͷɺ৺ཧతʹ͔ͳΓେมɻ → Humility: ݠڏ → Respect: ଚܟ → Trust: ৴པ
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։ൃڥͩͱ͋Μ·Γྑ ͍σʔλͳ͍͔Βຊ൪Ͱ Ζ͏
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։ൃڥվળ ਖ਼ݴͬͯɺվળ్্ɻՈͷࣸਅಈըΛѻ͏ αʔϏεͳͷͰɺσόοά༻ͷը૾ͱ͔͚ͩͩͱ࣮ ࡍͷར༻ΠϝʔδΛҙࣝ͠ͳ͕Β࡞Εͳ͍ɻ
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Ұॹʹ՝ղܾͯ͘͠Ε ΔਓΛืू͍ͯ͠·͢
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FIN