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Nagoya iOS meetup Vol. 4 @ ヤフー株式会社 名古屋オフィス #nagoyaios
https://nagoya-ios-meetup.connpass.com/event/95974/

Transcript

1. ՖՇΞϓϦΛ࡞ͬͨ
   2018.8.20 - Nagoya iOS meetup Vol. 4
   Satoshi Hachiya (@jpmartha_jp)
   

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2. Satoshi Hachiya (@jpmartha_jp)
   

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3. ࿩͢಺༰
   • αʔϏεͷ֓ཁ
   • iOS ΞϓϦͷ։ൃ؀ڥ
   • ͍͔ͭ͘ͷ՝୊ͱղܾࡦ
   

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4. αʔϏεͷ֓ཁ
   

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5. ΞʔϧΩϡʔϒͷαʔϏε
   • ձඅࠗ
   • https://www.kaihikon.com
   • ϋφίϨ
   • https://hana-collection.com
   ໿40໊தɺΤϯδχΞ͸4໊
   

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6. ձඅࠗ
   ձඅ੍ʹಛԽͨ݁ࠗࣜ͠αʔϏε
   ձඅࠗ͸ձඅ੍ͷ݁ࠗࣜʹಛԽͨ͠೔ຊͰॳΊͯͷαʔϏεͰ
   ͢ɻਓؾϗςϧ΍ߴڃϨετϥϯͰ݁ࠗࣜΛ໿൒ֹͰɺ͔͠΋ޙ
   ෷͍Λ࣮ݱ͠·ͨ͠ɻ
   https://www.kaihikon.com
   

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7. https://medium.com/family-lifehack/wedding-4339917360e1
   

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8. ϋφίϨ
   ཧ૝ͷ͕݁ࠗࣜͭ͘ΕΔαʔϏε
   ࣮ࡍͷଔՖՇ͞Μͷ࣮ྫهࣄ΍঎඼ࣸਅͳͲ༷ʑͳ݁ࠗࣜͷΞΠ
   σΞ͔Βཧ૝ͷ݁ࠗࣜΛݟ͚ͭग़͠ɺΦϦδφϧͷ݁ࠗࣜΛ࡞Ε
   ΔαʔϏεͰ͢ɻ
   https://hana-collection.com
   

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10. ϋφίϨ iOS ΞϓϦ
    ✨"✨
    ʮϋφίϨʯͰݕࡧ
    https://itunes.apple.com/jp/app/id1325522339
    

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11. iOS ΞϓϦͷ։ൃ؀ڥ
    

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12. iOS ΞϓϦͷ։ൃ؀ڥ
    • Realm (Database)
    • Firebase (Crashlytics)
    • Bitrise
    • fastlane
    • SwiftLint
    !
    DB ͸طଘͷ΋ͷʢFirebase Ͱ͸ͳ͍ʣ
    

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13. ෼ੳ
    • Firebase (Analytics)
    • BigQuery
    • Google Data Studio
    • …
    

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14. ͍͔ͭ͘ͷ՝୊ͱղܾࡦ
    

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15. ՝୊ͦͷ1
    ࣗ෼͕ՖՇ͡Όͳ͍
    

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16. ࣗ෼͕ՖՇ͡Όͳ͍
    • ͳͥͦͷػೳ͕ඞཁͳͷ͔ೲಘ͍ͯ͠ͳ͍෦෼͕͋ͬͨ
    • ΍Δ͜ͱ͕ͨ͘͞Μ͋ͬͯࡉ͔͍഑ྀΛ͍ܽͨ
    • ͩ͜ΘΔϙΠϯτ͕ҧͬͨ
    

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17. ͓·͚ʹ
    • Ұ౓ͷΞοϓσʔτͰେ෯ʹมߋͨ͠
    !
    ظ଴͞Εͨ΋ͷͱҧ͏΋ͷ͕Ͱ͖͍ͯͨ
    

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18. ͻͱͭͷλεΫΛ࠷খݶʹ
    • খࠁΈʹςετ഑৴ͯ͠۩ମతʹΠϝʔδ͠ͳ͕Β࡞ΓࠐΉ
    • ͦͯ͠ڍ͕ͬͨࡉ͔͍ཁ๬Λ൓өͤ͞Δ
    • ฒߦͯ͋͠Ε͜Ε΍Βͳ͍
    • ࠩ෼͕େ͖͗͢Δͱଥڠͨ͠ΓϛεΛݟམͱ͠΍͍͢
    

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19. ՝୊ͦͷ2
    ॳΊͯͷ iOS ΞϓϦ։ൃ
    ʢͱͳͬͨϝϯόʔ͕͍Δʣ
    

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20. Forced Unwrapping
    https://qiita.com/maiki055/items/b24378a3707bd35a31a8
    ?ͱ!ͷ࢖͍෼͚͕෼͔ΒͣͱΓ͋͑ͣ"?"Λ͚ͭΔɺιʔείʔυ
    Λॻ͍͍ͯͨΒٸʹXcodeʹౖΒΕɺΤϥʔʹಋ͔ΕΔ··
    ʹ"!"Λ͚ͭΔ...
    !
    Ϋϥογϡ͢ΔՄೳੑ͕͋ΔͨΊΉ΍Έʹ࢖Θͳ͍
    

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21. Swift ͷ if จʹ ()
    !
    ෆཁ
    

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22. ͦͷଞͷࡉ͔͍ʁվળ
    

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23. count == 0 ΑΓ isEmpty Λ࢖͓͏
    !
    ଎͍
    

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24. if จΑΓ guard จͰ Early Exit ͠Α͏
    !
    ωετΛઙͯ͘͠ՄಡੑΛ޲্
    

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25. UICollectionView ʹ͸
    indexPath.row ΑΓ indexPath.item Λ࢖͓͏
    

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26. ແବͳεϖʔεΛফͦ͏
    • ελΠϧΛ౷ҰͰ͖͓ͯΒͣඒ͘͠ͳ͍
    • Swift ͚ͩͷ࿩Ͱ͸ͳ͍
    

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27. ͔͠͠
    

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28. ͦͷ··Ͱ΋
    ಈ͔͘ΒΑ͘ͳ͍ʁ
    

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29. ਖ਼͍͠આ໌͕೉͍͠
    • Τϥʔʹ͸ͳΒͳ͍ͷͰͦͷ··ϦϦʔεͰ͖Δ
    • ͳͥ޷·͘͠ͳ͍ͷ͔ͱ͍͏ࠜڌ͸ʁ
    !
    جຊΛௐ΂௚ͨ͠
    

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30. ࢀߟ: ֤ࣾͷ Swift ΨΠυϥΠϯ
    • https://google.github.io/swift/
    • https://github.com/eure/swift-style-guide/
    • https://github.com/recruit-lifestyle/swift-style-guide
    • https://github.com/cookpad/styleguide/blob/master/
    swift.ja.md
    • https://qiita.com/susieyy/items/f71435cc962e70d81b37
    

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31. ΨΠυϥΠϯͷ໨త
    • ಉ͡Α͏ͳ໎͍ΛԿ౓΋܁Γฦͣ͞ʹ͢·ͤΔ
    • ΄͔ͷϝϯόʔ͕ಡΈ΍͍͢Α͏ʹॻ͘
    • ط஌ͷϦεΫΛճආ͢Δ
    

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32. ͦͯ͠ SwiftLint Λ׆༻
    • force_unwrapping
    • control_statement
    • empty_count
    • trailing_newline
    • vertical_whitespace
    ͳͲ
    

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33. ՝୊ͦͷ3
    ։ൃମ੍͕ສશͱ͸ݴ͑ͳ͍
    

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34. શ෦Ұ͔Βߏங͢Δͷ͸େม
    

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35. ࣗ෼Ͱߏங͢Δ͍͍ػձʂ
    શ෦Ұ͔Βߏங͢Δͷ͸େม
    

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36. ଞࣾͷ؀ڥ͕Α͘ݟ͑Δ͜ͱ͕͋Δ
    ؾʹͳΔ͜ͱ͕ແݶʹग़ͯ͘Δ
    

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37. ͕ɺߴ๬Έ͗͢͠ͳ͍Α͏ʹ͢Δ
    • ݁ہ͸ࣗ෼࣍ୈ
    • ·ͣ͸༩͑ΒΕͨ؀ڥͰશྗΛਚ͘͢΂͖
    • ͍͔ʹࣗ෼ͱνʔϜΛ৳͹ͤΔ͔͕࿹ͷݟͤͲ͜Ζ
    

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38. ࠓͷ͍͍ͱ͜ΖΛߟ͑Δ΄͏͕
    ϙδςΟϒʹͳΕΔ
    

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39. ·ͱΊ
    • ͻͱͭͷλεΫΛ࠷খݶʹͯ͠΍Δ΂͖͜ͱΛ໌֬ʹ͠Α͏
    • ΋ͷ͝ͱΛਖ਼͘͠ཧղͯ͠ແବΛ࡟ݮ͠Α͏
    • ·ͣ͸༩͑ΒΕͨ؀ڥͰશྗΛਚͦ͘͏
    

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40. Thanks!
    

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