K/NとNSKeyedArchiverと私

Transcript

1. K/NͱNSKeyedArchiverͱࢲ
   2023.03.16 CA.aab #2
   RyuNen344/Bunjiro Miyoshi
   

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2. iOSͷ࿩͹͔ͬΓͰ
   
   
   ͝ΊΜͳ͍͞🙇
   ͸͡Ίʹ
   

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3. ຊ೔ͷΰʔϧ
   • Obj-CͷAPIΛK/NͰͪΌΜͱ࢖͑Δͱ͍͏͜ͱΛ஌ͬͯ΋Β͏(ͦ΋
   ͦ΋࢖͑Δ͜ͱ͸ᨳΘΕ͍ͯΔ͕)
   
   
   • K/NͰ࣮૷Ͱ͖Δ͜ͱΛ஌Δ͜ͱͰKMMಋೖ࣌ͷϋʔυϧ͸ࢥͬͨΑ
   Γߴ͘ͳ͍͜ͱΛ஌ͬͯ΋Β͏
   
   
   • androidΤϯδχΞ͕Obj-CͷK/NΛॻ͘ࡍʹԿΛϦϑΝϨϯεʹ͢Ε
   ͹͍͍ͷ͔Λ஌ͬͯ΋Β͏
   ϞόΠϧք۾ͰKMMಋೖ͕΋ͬͱਐΉʂ͏Ε͍͠ʂ
   

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4. ొ৔ਓ෺
   • K/N
   
   
   • NSKeyedArchiver
   
   
   • ࢲ
   

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5. ొ৔ਓ෺ɿK/N
   • Kotlin Nativeͷ͜ͱ
   
   
   • KotlinͰॻ͍ͨίʔυΛ֤ϓϥοτϑΥʔϜͰ࣮ߦՄೳͳωΠςΟϒ
   όΠφϦʹม׵࣮ͯ͠ߦͰ͖Δ࢓૊Έ
   
   
   • ͍ΖΜͳϓϥοτϑΥʔϜʹରԠ͍ͯ͠Δ
   
   
   • KMMͷiOSଆ͸͜Ε͕ಈ͍͍ͯΔ
   

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6. ొ৔ਓ෺ɿNSKeyedArchiver
   • Foundation.frameworkͷΫϥε
   
   
   • JavaͰ͍͏ͱ͜Ζͷserializableͳ΋ͷΛserialize, deserialize͢ΔΫϥ
   ε
   
   
   • Obj-C࣌୅ͰΑ͘ར༻͞Ε͍ͯͨ(Β͍͠ɺJsonपΓͷ࣮૷͕͍Βͳ͍
   ͔Β)
   

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7. • RyuNen344/Bunjiro Miyoshi
   
   
   • teamLab.Incॴଐ
   
   
   • ݏ͍ͳException͸InvalidMutabilityException
   
   
   • ޷͖ͳException͸IllegalStateException
   ొ৔ਓ෺ɿࢲ
   

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8. ຊ೔ͷରԠද
   J04 BOESPJE ͭ·Γʁ
   6TFS%FGBVMUT 4IBSFE1SFGFSFODFT YNM
   /4$PEJOH !4FSJBMJ[BCMF TFSJBMJ[FՄೳϚʔΧʔ
   /4,FZFE"SDIJWFS 0CKFDU0VUQVU4USFBN TFSJBMJ[F࣮ߦΫϥε
   /4,FZFE6OBSDIJWFS 0CKFDU*OQVU4USFBN EFTFSJBMJ[F࣮ߦΫϥε
   

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9. Ұ࣌తͳ৘ใอଘઌ
   • DBʹอଘ͢Δ·Ͱ΋ແ͍σʔλ
   
   
   • android
   
   
   • SharedPreferencesʹॻ͖ग़͢
   
   
   • ߏ଄ମ͸JsonStringͱͯ͠ॻ͖ࠐΉ(͜ͱ͕ࢲ͸ଟ͍Ͱ͢, GsonͱMoshi͞·͞·)
   
   
   • iOS
   
   
   • UserDefaultsʹॻ͖ग़͢
   
   
   • NSData, NSString, NSNumber, NSDate, NSArray, NSDictionaryͷ੍ݶ͋Γ
   
   
   • ߏ଄ମ͸NSDataͱͯ͠ॻ͖ࠐΉͷָ͕
   

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10. ߏ଄ମͷSerialize#kotlin
    

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11. ߏ଄ମͷSerialize#kotlin
    java.io.SerializableΛimplments͢Δ
    
    
    implement͢Δ͚ͩͰ
    fi
    eldΛserializeͯ͘͠ΕΔ
    

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12. ߏ଄ମͷSerialize#kotlin
    ObjectOutputStream#writeObjectΛ࣮ߦ͢Δ
    

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13. ߏ଄ମͷSerialize#Swift(Obj-C)
    

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14. ߏ଄ମͷSerialize#Swift(Obj-C)
    Swift to Obj-C૬ޓӡ༻ͷͨΊʹNSObjectΛܧঝ
    
    
    ΤϯίʔυՄೳʹ͢ΔͨΊʹNSCodingʹ४ڌ
    

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15. ߏ଄ମͷSerialize#Swift(Obj-C)
    encode, decode࣌ͷ࣮ڍಈΛ࣮૷
    

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16. ߏ଄ମͷSerialize#Swift(Obj-C)
    

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17. ߏ଄ମͷSerialize#Swift(Obj-C)
    Ͳ͏͍͏Classͷߏ੒ͳͷ͔(Meta৘ใ)Λ
    
    
    NSKeyedˎˎʹڭ͑ࠐΉ
    

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18. ߏ଄ମͷSerialize#Swift(Obj-C)
    unarchive͢Δͱ͖ʹ͸ର৅ͷΫϥε͕΋͍ͬͯΔ
    
    
    ม਺ͷܕ৘ใ΋౉ͯ͋͛͠Δ
    

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19. ߏ଄ମͷSerialize#Swift(Obj-C) to K/N
    ❓. NSData(Data)͕K/NͩͱԿ͔Λ஌Δ
    
    
    ❓. NSCoding protocolʹ४ڌͨ͠classΛ࡞Γํ
    
    
    ❓. NSKeyed**ʹڭ͑ࠐΉΫϥεͷࢦఆͷ࢓ํ
    

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20. NSData(Data)#K/N
    • Kotlin.StringͱObj-C.NSString͸K/NଆͰޓ׵͕୲อ͞Ε͍ͯΔ
    
    
    • NSString#dataUsingEncoding(encoding)Λ࢖༻ͯ͠ม׵͢Δ
    

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21. Class implements NSCoding#K/N
    • [email protected]͸Kotlin.interfaceʹޓ׵
    

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22. Class implements NSCoding#K/N
    • [email protected]͸Kotlin.interfaceʹޓ׵
    Unresolved Reference😂
    

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23. Class implements NSCoding#K/N
    Μʁ🤔
    

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24. Class implements NSCoding#K/N
    

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25. Class implements NSCoding#K/N
    Obj-Cͷprotocol໊ͱඍົʹҧ͏ͷͰ஫ҙ͢Δ
    
    
    protocolΛ࣮૷͢Δࡍ͸NSObjectΛܧঝ͢Δ(͠ͳ
    ͍ͱϏϧυ௨Βͳ͍ʣ
    

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26. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    • ͦ΋ͦ΋NSKeyed**ʹڭ͑ࠐΉΫϥεͱ͸ͳΜͳͷ͔Λ͠Γ͍ͨ
    
    
    A. →ެࣜΛࢀর͢Δ
    
    
    • https://developer.apple.com/documentation/foundation/
    nskeyedarchiver
    
    
    • https://developer.apple.com/documentation/foundation/
    nskeyedunarchiver
    

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27. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    

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28. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    android developer͕kotlinͱjavaΛ੾Γସ͑ΒΕΔΑ͏ʹ
    
    
    swiftͱObj-CΛ੾Γସ͑ΒΕΔ
    
    
    K/N͸Obj-Cޓ׵ͳͷͰObj-CͷDocΛݟΔඞཁ͕͋Δ
    

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29. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    

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30. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    AnyClass(swift)͡Όͳͯ͘Class(Obj-C)Λ౉͢ඞཁ͕͋Δ
    

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31. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    • swiftͱkotlin͸ࣅ͍ͯΔ(ݸਓͷײ૝)ͷͰswiftΛࢀߟʹίʔυΛॻ͘
    ·ͨUnresolved Reference😂
    

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32. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    

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33. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    • Apple Developerʹ͸NSObjectʹੜ͍͑ͯΔϝιουͱ͋Δ͕
    Book.classForKeyedUnarchiver()Ͱݟ͔ͭΒͳ͍ɾɾɾɾɾɾ
    
    
    • Book.classForKeyedUnarchiver()Ͱݺͼग़ͤΔΑ͏ʹ͍͔ͨ͠Βɺ
    companion objectΛͳʹ͔͢Δඞཁ͕͋Γͦ͏ɾɾɾɾɾɾ
    

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34. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    Μʁ🤔
    

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35. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
    ݺ΂ΔΑ͏ʹͳͬͨ😃
    
    
    ͋ͱ͸Unarchive͢Δ͚ͩ
    

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36. ·ͱΊ
    • protocol͸K/N্ͩͱ**Protocolͱ͍͏interfaceʹͳͬͯͨΓ͢Δ
    
    
    • Type Method͸K/N্ͩͱ**Meta classʹੜ͍͑ͯͨΓ͢Δ
    
    
    • SwiftͱObj-CͰAPI͕ҧ͏ͷͰެࣜDoc͸Obj-CͷΛࢀর͢Δ
    
    
    • Obj-CͷAPI͕K/N্ͩͱͲͷΑ͏ͳఆٛʹͳ͍ͬͯΔ͔͸IDE্Ͱδϟϯϓͯ֬͠
    ೝͰ͖ΔɺJetBrainsΛ৴͡Ζʂʂ
    
    
    • archive, unarchive͢Δίʔυ͸ࢀরͷϦϙδτϦʹࡌͤͯΔͷͰͦ͜ͰΈͯͩ͘
    ͍͞
    

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37. ͜ΕͰKMM͕ḿΓ·͢Ͷ😉
    

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38. ࢀߟࢿྉ
    • RyuNen344/KNKeyedArchiver
    
    
    • https://github.com/RyuNen344/KNKeyedArchiver
    
    
    • native-objc-interop
    
    
    • https://kotlinlang.org/docs/native-objc-interop.html#mappings
    
    
    • NSObject
    
    
    • https://developer.apple.com/documentation/objectivec/nsobject?
    language=objc
    

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