Flutterアプリ開発にネイティブコードはどこまで求められるのか

by akatsuki174

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FlutterΞϓϦ։ൃʹ ωΠςΟϒίʔυ͸ Ͳ͜·ͰٻΊΒΕΔͷ͔ iOSDC Japan 2022 day2 @akatsuki174 ࠓ೥΋͕࣌ؒͳ͍͔Β͜͜ͷཝͰࣗݾ঺հ͍ͯ͘͠Ϥʂ

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݁࿦ ͍ͬͺ͍χίಈίϝϯτ͘ΕΑͳʂʂʂ

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ʢύοέʔδʹཔΕ͹ʣ ଟ͘ͷέʔεͰ ωΠςΟϒίʔυΛॻ͔ͣʹ ࣮૷Ͱ͖Δ ໊લɿਢ౻ຘ

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۩ମྫ ʮFammϓϦϯτʯ ΞΧ΢ϯτɿ@akatsuki174

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iOSΤϯδχΞྺɿ్੾Εͭͭ7೥͘Β͍ʁ

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• ࣸਅϐοΧʔͷදࣔ • In-App Review • Sign in with Apple • Sign in with Google • ϓογϡ௨஌ AndroidΤϯδχΞྺɿ໿3೥ ωΠςΟϒ͕ؔ܎͋Γͦ͏ͳػೳ

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FlutterΤϯδχΞྺɿ໿൒೥ ࣸਅϐοΧʔͷදࣔ

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࠷ۙ͸Flutter8ׂɺiOS1ׂɺAndroid1ׂ͘Β͍…ʁ In-App Review

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ॴଐɿגࣜձࣾTimers Sign in with Apple / Sign in with Google

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جຊతʹϑϧϦϞʔτͰۈ຿த ϓογϡ௨஌

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ڈ೥ୈҰࢠग़࢈👶 ͜ͷϓϩϙʔβϧΛॻ͍ͨ౰࣌

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ࠓ೥౓ϑϧλΠϜ෮ؼ ࣗ෼ͨͪͰॻ͍ͨωΠςΟϒίʔυ͸ ΄΅0%

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࠷ۙͷଉࢠͷϒʔϜɿʢָثͷํͷʣΩʔϘʔυ͍͡Γ ࠓݱࡏ͸5%Ҏ಺͘Β͍

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• ਖ਼֬ʹݴ͏ͱɺαʔυύʔςΟͷpackageʢiOSͰݴ͏ͱ͜Ζͷɹ ϥΠϒϥϦʣ͕ඇৗʹॆ࣮͍ͯͯ͠ɺࣗ෼Ͱॻ͘ඞཁ͕͋·Γͳ͍ iOSDC Japan 2022 ίΞελοϑ ͑ɺ͜Μͳগͳ͍ͷʁʁ

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• sign_in_with_apple • sing_in_with_google ίΞελοϑྺɿ2017-2020, 2022೥ͷܭ5ճ ೝূ

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• in_app_review iOSDC Japanͷελοϑͨͪ͸໌Δͯ͘ΞοτϗʔϜͰ͢ʢདྷ೥ͥͻελοϑࢀՃΛʂʣ ϨϏϡʔґཔ

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• fl utter_native_image • fl utter_image_compress iOSDCޙʹ΍Γ͍ͨ͜ͱɿ🦑3 ը૾ѹॖ

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• ΧϝϥͰΫϨδοτΧʔυ൪߸ಡΈऔΓ • ࢖͍͍ͨSDK͕FlutterରԠ͞Ε͍ͯͳ͔ͬͨͨΊ ࠷ۙେมͩͬͨ͜ͱɿ͜ͷొஃࢿྉ࡞Γʢ಺༰ʴ͜ͷࣗݾ঺հͷωλग़͠...ʣ ωΠςΟϒίʔυॻ͍ͯΔՕॴ

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• Image.toByteDataͷ෦෼ • ը૾ੜ੒ͳͲͰ࢖༻͍ͯ͠Δ͕஗͍ • ωΠςΟϒͱൺ΂Δͱ10ഒ͘Β͍ͷ͕ࠩ͋ΔͬΆ͍ ࣥචએ఻ɿڈ೥WEB+DB PRESSͰiOS 15ಛूॻ͍͔ͨΒݟͯͶʂ ͪͳΈʹɿকདྷωΠςΟϒͰॻ͖͍ͨͱ͜Ζ

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• PlatformChannelsͱ͍͏࢓૊ΈΛ࢖͏ • ωΠςΟϒଆͰॻ͍ͨίʔυΛFlutterଆͰݺͼग़͢ • ެࣜͷྫΛݩʹઆ໌ • https://docs. fl utter.dev/development/platform-integration/ platform-channels ωλ੾Εͨ...ʢεϥΠυଟ͍ͳʣ ωΠςΟϒAPIʹΞΫηε͢Δʹ͸

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͜ͷ͋ͱ1֊ͷަྲྀεϖʔεͰ͓ձ͍͠·͠ΐ͏ʂ IUUQT fl VUUFSEFWEPDT EFWFMPQNFOUQMBUGPSNJOUFHSBUJPO QMBUGPSNDIBOOFMT

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fortee͔ΒͷτʔΫϑΟʔυόοΫ΋ΑΖ͓͘͠ئ͍͠·͢ʂ Flutterଆ

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Flutterɺͥͻ৮ͬͯΈͯͶʂ໘ന͍Αʂ Flutterଆ

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࢒Γগ͠ͱͳͬͨiOSDC Japan 2022ɺଘ෼ʹָ͠Έ·͠ΐ͏ʂʂʂ Swiftଆ

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٩( 'ω' )و ͓ʔʂ Swiftଆ

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• ศརͳύοέʔδ͕ଟ਺ग़͍ͯΔͷͰɺࣗ෼ͰωΠςΟϒίʔυΛ ॻ͔ͳͯ͘΋ଟ͘ͷػೳΛ࣮ݱͰ͖ΔΑ • ͽͬͨΓͷύοέʔδ͕ͳͯ͘΋ɺPlatformChannelsΛ࢖͑͹ɹɹ ωΠςΟϒίʔυΛݺͼग़ͤΔΑ ٩( 'ω' )و ͓ʔʔʔʂ ·ͱΊ

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• ͜ͷεϥΠυࢿྉ • ͢ͰʹTwitterʹΞοϓ͍ͯ͠Δ͸ͣ • จࣈ൛ొஃࢿྉ • ޙ೔ձࣾͷςοΫϒϩάͰެ։༧ఆ • TimersςοΫϒϩάΛνΣοΫͯ͠Ͷʂ ΍Γ੾ͬͨͥʂʂʂʂʂ ొஃࢿྉ

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• αʔόʔαΠυΤϯδχΞ (PHP, Golang, AWS) • AndroidΤϯδχΞ (Kotlin) • iOSΤϯδχΞ (Swift) TimersͰ͸ݱࡏΤϯδχΞશ৬छ࠾༻தʂ   ৄ͘͠͸”Timers”Ͱݕࡧ

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͝ਗ਼ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ