K/NとNSKeyedArchiverと私

Transcript

1. K/NͱNSKeyedArchiverͱࢲ 2023.03.16 CA.aab #2 RyuNen344/Bunjiro Miyoshi
2. iOSͷ࿩͹͔ͬΓͰ ͝ΊΜͳ͍͞🙇 ͸͡Ίʹ
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
4. ొ৔ਓ෺ • K/N • NSKeyedArchiver • ࢲ
5. ొ৔ਓ෺ɿK/N • Kotlin Nativeͷ͜ͱ • KotlinͰॻ͍ͨίʔυΛ֤ϓϥοτϑΥʔϜͰ࣮ߦՄೳͳωΠςΟϒ όΠφϦʹม׵࣮ͯ͠ߦͰ͖Δ࢓૊Έ • ͍ΖΜͳϓϥοτϑΥʔϜʹରԠ͍ͯ͠Δ • KMMͷiOSଆ͸͜Ε͕ಈ͍͍ͯΔ
6. ొ৔ਓ෺ɿNSKeyedArchiver • Foundation.frameworkͷΫϥε • JavaͰ͍͏ͱ͜Ζͷserializableͳ΋ͷΛserialize, deserialize͢ΔΫϥ ε • Obj-C࣌୅ͰΑ͘ར༻͞Ε͍ͯͨ(Β͍͠ɺJsonपΓͷ࣮૷͕͍Βͳ͍ ͔Β)
7. • RyuNen344/Bunjiro Miyoshi • teamLab.Incॴଐ • ݏ͍ͳException͸InvalidMutabilityException • ޷͖ͳException͸IllegalStateException ొ৔ਓ෺ɿࢲ
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
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
10. ߏ଄ମͷSerialize#kotlin
11. ߏ଄ମͷSerialize#kotlin java.io.SerializableΛimplments͢Δ implement͢Δ͚ͩͰ fi eldΛserializeͯ͘͠ΕΔ
12. ߏ଄ମͷSerialize#kotlin ObjectOutputStream#writeObjectΛ࣮ߦ͢Δ
13. ߏ଄ମͷSerialize#Swift(Obj-C)
14. ߏ଄ମͷSerialize#Swift(Obj-C) Swift to Obj-C૬ޓӡ༻ͷͨΊʹNSObjectΛܧঝ ΤϯίʔυՄೳʹ͢ΔͨΊʹNSCodingʹ४ڌ
15. ߏ଄ମͷSerialize#Swift(Obj-C) encode, decode࣌ͷ࣮ڍಈΛ࣮૷
16. ߏ଄ମͷSerialize#Swift(Obj-C)
17. ߏ଄ମͷSerialize#Swift(Obj-C) Ͳ͏͍͏Classͷߏ੒ͳͷ͔(Meta৘ใ)Λ NSKeyedˎˎʹڭ͑ࠐΉ
18. ߏ଄ମͷSerialize#Swift(Obj-C) unarchive͢Δͱ͖ʹ͸ର৅ͷΫϥε͕΋͍ͬͯΔ ม਺ͷܕ৘ใ΋౉ͯ͋͛͠Δ
19. ߏ଄ମͷSerialize#Swift(Obj-C) to K/N ❓. NSData(Data)͕K/NͩͱԿ͔Λ஌Δ ❓. NSCoding protocolʹ४ڌͨ͠classΛ࡞Γํ ❓. NSKeyed**ʹڭ͑ࠐΉΫϥεͷࢦఆͷ࢓ํ
20. NSData(Data)#K/N • Kotlin.StringͱObj-C.NSString͸K/NଆͰޓ׵͕୲อ͞Ε͍ͯΔ • NSString#dataUsingEncoding(encoding)Λ࢖༻ͯ͠ม׵͢Δ
21. Class implements NSCoding#K/N • Obj-C.@protocol͸Kotlin.interfaceʹޓ׵
22. Class implements NSCoding#K/N • Obj-C.@protocol͸Kotlin.interfaceʹޓ׵ Unresolved Reference😂
23. Class implements NSCoding#K/N Μʁ🤔
24. Class implements NSCoding#K/N
25. Class implements NSCoding#K/N Obj-Cͷprotocol໊ͱඍົʹҧ͏ͷͰ஫ҙ͢Δ protocolΛ࣮૷͢Δࡍ͸NSObjectΛܧঝ͢Δ(͠ͳ ͍ͱϏϧυ௨Βͳ͍ʣ
26. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N • ͦ΋ͦ΋NSKeyed**ʹڭ͑ࠐΉΫϥεͱ͸ͳΜͳͷ͔Λ͠Γ͍ͨ A. →ެࣜΛࢀর͢Δ • https://developer.apple.com/documentation/foundation/ nskeyedarchiver • https://developer.apple.com/documentation/foundation/ nskeyedunarchiver
27. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
28. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N android developer͕kotlinͱjavaΛ੾Γସ͑ΒΕΔΑ͏ʹ swiftͱObj-CΛ੾Γସ͑ΒΕΔ K/N͸Obj-Cޓ׵ͳͷͰObj-CͷDocΛݟΔඞཁ͕͋Δ
29. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
30. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N AnyClass(swift)͡Όͳͯ͘Class(Obj-C)Λ౉͢ඞཁ͕͋Δ
31. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N • swiftͱkotlin͸ࣅ͍ͯΔ(ݸਓͷײ૝)ͷͰswiftΛࢀߟʹίʔυΛॻ͘ ·ͨUnresolved Reference😂
32. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N
33. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N • Apple Developerʹ͸NSObjectʹੜ͍͑ͯΔϝιουͱ͋Δ͕ Book.classForKeyedUnarchiver()Ͱݟ͔ͭΒͳ͍ɾɾɾɾɾɾ • Book.classForKeyedUnarchiver()Ͱݺͼग़ͤΔΑ͏ʹ͍͔ͨ͠Βɺ companion objectΛͳʹ͔͢Δඞཁ͕͋Γͦ͏ɾɾɾɾɾɾ
34. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N Μʁ🤔
35. NSKeyed**ʹKotlinΛΘ͔ΒͤΔ#K/N ݺ΂ΔΑ͏ʹͳͬͨ😃 ͋ͱ͸Unarchive͢Δ͚ͩ
36. ·ͱΊ • protocol͸K/N্ͩͱ**Protocolͱ͍͏interfaceʹͳͬͯͨΓ͢Δ • Type Method͸K/N্ͩͱ**Meta classʹੜ͍͑ͯͨΓ͢Δ • SwiftͱObj-CͰAPI͕ҧ͏ͷͰެࣜDoc͸Obj-CͷΛࢀর͢Δ • Obj-CͷAPI͕K/N্ͩͱͲͷΑ͏ͳఆٛʹͳ͍ͬͯΔ͔͸IDE্Ͱδϟϯϓͯ֬͠ ೝͰ͖ΔɺJetBrainsΛ৴͡Ζʂʂ • archive, unarchive͢Δίʔυ͸ࢀরͷϦϙδτϦʹࡌͤͯΔͷͰͦ͜ͰΈͯͩ͘ ͍͞
37. ͜ΕͰKMM͕ḿΓ·͢Ͷ😉
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