サーバーサイドエンジニアがモバイルアプリを作った話

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αʔόʔαΠυΤϯδχΞ͕ ϞόΠϧΞϓϦΛ࡞ͬͨ࿩ גࣜձࣾΞΠΩϡʔϒυγεςϜζ ඌా തਔ

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ͬͦ͘͞օ͞Μʹ࣭໰Ͱ͢

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ࣗ෼ͷઐ໳෼໺Ҏ֎ͷ࢓ࣄΛ Կͷલ৮Ε΋ͳ͘ৼΒΕͨ͜ͱ͸ ͋Γ·͔͢ʁ

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ࢲ͸͋Γ·͢

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ࣗݾ঺հ ʲ໊લʳ ɹඌా തਔ ʲॴଐʳ ɹ᷂ΞΠΩϡʔϒυγεςϜζ ʲܦྺʳ •ήʔϜϓϩάϥϚʔɿ2 ೥΄Ͳ •αʔόʔαΠυΤϯδχΞɿ  12 ೥͘Β͍ •ϞόΠϧΞϓϦ։ൃྺɿ2 ϲ݄

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ܦҢ 20XX ೥ɺస৬͠·ͨ͠

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ܦҢ ࣗࣾϓϩμΫτΛ૑Γग़ͦ͏ʂ

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ܦҢ iOS ΞϓϦͰ૑Γग़ͦ͏ʂ

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૑ΔΞϓϦ ΦϑΟεͷདྷ٬ঢ়گΛ؅ཧ͢Δ iPad ޲͚ΞϓϦ

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ཁ݅ •ΞϓϦ͚ͩͰ׬݁ͤ͞Δ •དྷ٬ऀͷҰཡ •๚໰೔࣌ͷ؅ཧ •ΞϓϦͷϩοΫػೳ •खॻ͖ೖྗͰจࣈม׵ •དྷ٬ऀͷҰཡΛҹ࡮ •དྷ٬ऀͳͲͷσʔλ͸Ϋϥ΢υ؅ཧ

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ணखલʹ৚͕݅͋Δ

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৚݅ͦͷ̍ ͓͔͚ۚͨ͘ͳ͍͔Β ༗ঈπʔϧͱ͔ͦΜͳͷແ͠Ͱ

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৚݅ͦͷ̎ ͓͔͚ۚͨ͘ͳ͍͔Β ҰਓͰԿͱ͔ؤுͬͯ

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৚݅ͦͷ̏ ͓͔͚ۚͨ͘ͳ͍͔Β ೋिؒͰϦϦʔεͯ͠

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৚͕݅ݫ͗͢͠·ͤΜ͔ʁ

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ٹ͍ͷख ࢀߟʹͳΔιʔείʔυ͋ΔΑʂ

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ΦϑΟεͷࢪৣঢ়گΛ؅ཧ͢Δ iPad ޲͚ΞϓϦ ࢞ຓΞϓϦ

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࢞ຓΞϓϦͷ࢓༷ •ΞϓϦ͚ͩͰ׬͍݁ͯ͠Δ •ೖୀࣨऀͷҰཡ •ೖୀࣨ೔࣌ͷ؅ཧ

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࠶ར༻Ͱ͖ͦ͏ͳ΋ͷ •ΞϓϦ͚ͩͰ׬݁ͤ͞Δ •དྷ٬ऀͷҰཡ •๚໰೔࣌ͷ؅ཧ •ΞϓϦͷϩοΫػೳ •खॻ͖ೖྗͰจࣈม׵ •དྷ٬ऀͷҰཡΛҹ࡮ •དྷ٬ऀͳͲͷσʔλ͸Ϋϥ΢υ؅ཧ

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͋·ΓٹΘΕͳ͔ͬͨ

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։ൃ؀ڥ • Mac mini mid 2007 • Xcode 4.2 • iOS 5.1

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৭ʑͱ՝୊ʹͿͪ౰ͨΔ

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՝୊ͦͷ̍ Ϗϧυ͕஗͍

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՝୊ͦͷ̎ ։ൃػͷΧελϚΠζΛ ڋ൱ΒΕΔ

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՝୊ͦͷ̏ ࢖༻πʔϧΛ dis ΒΕΔ

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՝୊ͦͷ̐ Storyboard Λ࢖͏ͳ  Interface Builder ΋ۃྗ࢖͏ͳ ׽͸໧ͬͯίʔυΛॻ͚

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݁Ռ

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։ൃظؒ 1 ϲ݄Λཁͯ͠ ػೳΛམͱͯ͠ϦϦʔε

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ϦϦʔεͰ͖ͨػೳ •ΞϓϦ͚ͩͰ׬݁ͤ͞Δ •དྷ٬ऀͷҰཡ •๚໰೔࣌ͷ؅ཧ •ΞϓϦͷϩοΫػೳ •खॻ͖ೖྗͰจࣈม׵ •དྷ٬ऀͷҰཡΛҹ࡮ •དྷ٬ऀͳͲͷσʔλ͸Ϋϥ΢υ؅ཧ

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·ͱΊ •ࣗࣾϓϩμΫτΛຊؾͰ΍ΔͳΒɺ  ࠷ޙ·ͰมΘΒͳ͍ཧ೦ͱઓུ͕ඞཁ •ಓ۩͸ख׳Εͨ΋ͷΛ࢖͏ʗ࢖ΘͤΔ •Ҿ͖ࡍ͕؊৺ɺఘΊΔ༐ؾΛ࣋ͱ͏

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ͱ͜ΖͰɺ͓ؾ෇͖Ͱ͠ΐ͏͔ʁ

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։ൃظؒ 1 ϲ݄Λཁͯ͠ ػೳΛམͱͯ͠ϦϦʔε

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2 - 1 ≠ 0

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ୈೋ෦ ࣗࣾϓϩμΫτΛ૑Γग़ͦ͏ʂ ʙ Android ฤ ʙ

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iOS ΞϓϦΛϦϦʔε͔ͯ͠Β ൒೥΄Ͳܦա… ܦҢ

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࢓ࣄ͕ͳ͘ͳͬͨ ܦҢ

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Ջͩ͠ษڧ͕ͯΒʹԿ͔࡞Ζ͏ ܦҢ

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ࣾ಺Ͱ୭΋΍͍ͬͯͳ͍ Android ʹखΛग़ͯ͠ΈΑ͏ ܦҢ

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࢞ຓΞϓϦΛ Android ʹҠ২

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Ҡ২͢Δࡍͷཁ݅ • iOS ൛ͱಉ͡ڍಈʹ͢Δ • iOS ൛ͱಉ͡ϨΠΞ΢τʹ͢Δ

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͜ΕͳΒΠέΔʂ

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։ൃ؀ڥ • Windows 7 • Eclipse Indigo • Java SE 6, Android SDK 4.1/4.2 • Android 4.1/4.2

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Ұिؒ΄ͲͰҠ২׬ྃ

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ϞοΫʹΑΔσϞ

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Ғ͍ਓͷओு શવͰ͖ͯͳ͍͡ΌΜʂ

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ཁ݅ͷޡղ • iOS ൛ͱಉ͡ػೳΛ༗͢Δ • iOS ൛ͱಉ͡ػೳΛ༗ͨ͠͏͑Ͱɺ ಉ͡ৼΔ෣͍Λ͢Δ

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ৼΔ෣͍ͷൺֱ iOS Android Ϣʔβʔͷιʔτ 1. ηϧΛϩϯάλοϓ 2. ૠೖՕॴʹηϧΛҠಈ 3. ࢦΛ཭͢ 1. ϢʔβʔҰཡฤूը໘ʹભҠ 2. Ҡಈ͍ͤͨ͞ϢʔβʔΛબ୒ 3. ↑ / ↓ ϘλϯΛԡԼ 4. อଘϘλϯΛԡԼ Ϣʔβʔͷ࡟আ 1. ηϧΛࠨʹεϫΠϓ 2. ࡟আϘλϯ͕දࣔ͞ΕΔ 3. ࡟আϘλϯΛԡԼ 1. ϢʔβʔҰཡฤूը໘ʹભҠ 2. ࡟আ͍ͨ͠ϢʔβʔΛબ୒ 3. ࡟আϘλϯΛԡԼ

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iOS/Android ΞϓϦ։ൃͷൺֱ iOS Android ಘख • खܰʹ࡞ΕΔϨΠΞ΢τ • ख͚ܰͩͲૢ࡞ੑ˕ • ଟ༷ͳΧελϚΠζ ෆಘख • ڽͬͨ͜ͱ͸ۤख • ඪ४ػೳ͕๡͍͠ • Graphical Layout ܹॏ ˞͋͘·Ͱ౰࣌ͷݸਓͷҹ৅

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• iOS → Android ͷৼΔ෣͍ͷ࠶ݱ͸ Մೳ • ͨͩ͠ɺ࡞ΓࠐΈ͕ඞཁͳͷͰɺ ͔ͳΓखؒ

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݁Ռ

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։ൃظؒ 1 ϲ݄Λཁͯ͠ iOS ൛ͷৼΔ෣͍Λ࠶ݱ

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࠶౓ϞοΫʹΑΔσϞ

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Ғ͍ਓͷओு Կ͔ҧ͏

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ಥ͖͚ͭΒΕΔݱ࣮ ཁ݅͸ຬ͍ͨͯ͠Δ͕ɺ Ғ͍ਓ͕ؾʹೖΒͳ͍఺Λ ͘Ͳ͘Ͳ͘Ͳ͘ͲݴΘΕΔ

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ͦͷޙ… Android ൛͸͓ଂೖΓ

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·ͱΊ •ಉ͡ػೳ ≠ ಉ͡ৼΔ෣͍ •iOS/Android Ͱಉ͡ػೳΛ༗͢Δ͜ͱʹ͸  Ձ஋͸͋Δ͕ɺಉ͡ৼΔ෣͍ͱ͢Δ͜ͱʹ͸  ͞΄ͲՁ஋͸ͳ͍ •Android Ͱͷ࡞ΓࠐΈ͸όʔδϣϯΞοϓͰ ࢮ͵ʢ͜ͱ͕ଟ͍ʣ

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ΫϩεϓϥοτϑΥʔϜ։ൃ

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΋ͬͱָʹͰ͖ͳ͍ͩΖ͏͔ʁ

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Ͱ͖ΔΜͰ͢ʂ

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ͦ͏ɺXamarin ͳΒͶ

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Xamarin

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https://jxug.connpass.com/ JXUG ෱Ԭ

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ڵຯͷ͋Δํ͸͓࿩͚ͩͰ΋ʂ http://www.i3-systems.com/ recruit.html ΤϯδχΞืूͯ͠·͢

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૯ׅ •ཁ݅֬ೝେࣄʂ •ࣗࣾϓϩμΫτ or ࣗ෼ͷϓϩμΫτʹ͸  ތΓΛ࣋ͱ͏ʂ •Xamarin ͸ྑ͔͹͍ʂ •᷂ΞΠΩϡʔϒυγεςϜζ͸  ΤϯδχΞืूதʂ

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠