マルチプラットフォーム(SwiftUI)ドキュメントアプリ

2021年1月札幌iPhoneアプリ開発懇談会オンラン勉強会でのプレゼンテーション使用。
Appleのマルチプラットフォームアプリについてマルチプラットフォームとドキュメントアプリの観点から説明。Appleのドキュメントアプリのコアのアイデアが2004年から変わりがないのが難という話。

#SwiftUI #Swift #iOS #iPhoneApp #macOS #macOSApp #iPadOS #iPadApp

Transcript

1. ϚϧνϓϥοτϑΥʔϜ
   4XJGU6*
   υΩϡϝϯτΞϓϦ
   υΩϡϝϯτΞϓϦςϯϓϨʔτͷ೺Ѳ·Ͱ͕௕͍
   

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2. ࣗݾ঺հ
   

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3. ೳొཁ !OPUPSPJE
   
   w J04ΞϓϦ։ൃऀ
   w ԰߸͍Γ·͢ిࢉاը
   w !OPUPSPJE
   w !JSJNBTV
   w ࠷ۙͷಈ޲
   w ϒϩά࡮৽͠·ͨ͠
   

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4. ॆిใࠂ͞Μ #BUUFSFDFJWFS
   
   w όοςϦʔϞχλʔ ϢʔςΟϦςΟʔ
   
   w ࠷େ୆ ࣮ػϦϞʔτ୆
   
   w ख࣋ͪͷJ1IPOF͔Βଞʹ͍࣋ͬͯΔ
   J1IPOF J1BEͳͲͷػثͷόοςϦʔঢ়ଶ֬
   ೝՄೳ
   w ࣗ୐ʹ͋ΔJ1IPOFͷόοςϦʔঢ়ଶ֬ೝՄ
   ೳ
   

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5. ॆిใࠂ͞Μ #BUUFSFDFJWFS
   
   w "QQMF8BUDIରԠ
   w $PNQMJDBUJPOTରԠ
   w ॆి׬ྃ௨஌
   w ॆి׬ྃΛ఻͑ͯ͘ΕΔ௨஌Λ௥Ճ
   w ҎԼʹࢦఆ͢Δ͜ͱͰόοςϦʔΛέ
   Ξ͢Δ͜ͱ͕Մೳ
   w Կ͔ͱߴ͍J1IPOFΛ௕࣋ͪͤ͞Δͷʹ༗༻
   

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6. ࿩͢͜ͱ
   w υΩϡϝϯτΞϓϦ֓ཁ
   w 6OJGPSN5ZQF*EFOUJ
   f
   i
   FS
   w 4XJGU޲͚υΩϡϝϯτ༻ϑϨʔϜϫʔΫ
   

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7. ࿩͞ͳ͍͜ͱ
   w 9DPEF͕ग़ྗ͢ΔυΩϡϝϯτΞϓϦςϯϓϨʔτղઆ
   w /4'JMF8SBQQFS
   w ύοέʔδܗࣜ΁ͷΞΫηε
   

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8. ୊໨
   w NVMUJQMBUGPSNͱ$BUBMZTU
   w υΩϡϝϯτΞϓϦͱ͍͏ϨτϩχϜ
   w NVMUJQMBUGPSNͰυΩϡϝϯτΞϓϦ
   w υΩϡϝϯτλΠϓͱ6OJGPSN5ZQF*EFOUJ
   f
   i
   FS
   w 6OJGPSN5ZQF*EFOUJ
   f
   i
   FSTGSBNFXPSL
   w NBD04ͱJ04ͷٕज़λΠϜϥΠϯ
   

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9. NVMUJQMBUGPSNͱ$BUBMZTU
   

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10. 88%$Ͱ4XJGU6*ͷϚϧνϓ
    ϥοτϑΥʔϜΞϓϦͷ։ൃ͕Մೳʹ
    

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11. ઌߦ͢Δ$BUBMZTUͱԿ͕ҧ͏
    

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12. $BUBMZTUͱNVMUJQMBUGPSNᶃ
    ൃද೥ 4%, JOGPQMJTU
    $BUBMZTU 6*,JU ͭ J04 NBD04ڞ༗
    
    NVMUJQMBUGPSN
    4XJGU6*
    
    6*,JU"QQ,JU J04 NBD04ͦΕͧΕ
    

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13. $BUBMZTUͱNVMUJQMBUGPSNᶄ
    w $BUBMZTU
    w J1BEΞϓϦΛNBD04্Ͱಈ͔͢͜ͱΛ໨ࢦ͢
    w <ܽ఺>$BUBMZTUͰ͸NBD04্Ͱ6*,JUػೳΛݺͼग़͠Ͱͷཹҙ఺͕ଟ͍
    w NVMUJQMBUGPSN 4XJGU6*
    
    w J04NBD04ͰιʔεͰ6*ؚΊڞ༗Ͱ͖Δίʔυ͸͋Δ͕ผΞϓϦ
    w <ܽ఺>֤ωΠςΟϒ6*ίʔυΛഉআͰ͖͕ͨύϥμΠϜγϑτͷӨڹେ
    

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14. NVMUJQMBUGPSNରԠGSBNFXPSL
    w ௨஌ 6TFS/PUJ
    f
    i
    DBUJPO
    
    w "7'BVOEBUJPO
    w $PSF*NBHF $PSF%BUB
    w 4QSJUF,JU 4DFOF,JU 4JSJ,JU
    w /4'JMF8SBQQFS
    w $PNCJOFGSBNFXPSL
    

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15. υΩϡϝϯτΞϓϦͱ͍͏
    ϨτϩχϜ
    

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16. ϨτϩχϜ SFUSPOZN
    
    ӳޠSFUSPOZN͋Δ͍͸࠶໋໊ͱ͸ɺ͋Δ
    ݴ༿ͷҙຯ͕࣌୅ͱͱ΋ʹ֦ு͞Εͨɺ͋
    Δ͍͸มԽͨ͠৔߹ʹɺݹ͍ҙຯͷൣғΛ
    ಛఆతʹදͨ͢Ίʹޙ͔ΒߟҊ͞Εͨݴ༿
    ͷ͜ͱΛࢦ͢ 8JLJQFEJB೔ຊޠ൛ΑΓ
    ɻ
    

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17. ΞϓϦέʔγϣϯͱ1$
    w Apple͕ૹΓग़͖ͯͨ͠ύʔιφϧίϯϐϡʔλʔ(1977ʙ)ͷਓؾΛࢧ͑ͯ
    ͖ͨͷ͸ɺ๛෋ͳΞϓϦέʔγϣϯ܈
    w 8JOEPXTʹ๛෋ͳΞϓϦέʔγϣϯͷ୅໊ࢺ͸ୣΘΕ͕ͨͦΕͰ΋ΫϦ
    ΤΠλʔ޲͚ͷΞϓϦ͸ࠓͰ΋๛෋
    

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18. ΞϓϦέʔγϣϯͱ1$ᶄ
    • iPhone஀ੜҎલͷΞϓϦέʔγϣϯ
    
    • σʔλϑΝΠϧ(υΩϡϝϯτ)Λฤू͢ΔϓϩάϥϜ͕ΞϓϦ(දܭࢉ,
    ϫʔυϓϩηοαʔ)
    
    • iPhone஀ੜҎޙͷΞϓϦ
    
    • ΞϓϦ͸৘ใڞ༗΍౤ߘͷπʔϧʹ(SNS, Message)
    

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19. ͔ͭͯͷΞϓϦ͸
    υΩϡϝϯτΞϓϦͱ໋໊
    

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20. 9DPEFͰ΋ΞϓϦͱ
    υΩϡϝϯτΞϓϦ
    ͸ผѻ͍ʹ
    

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21. NVMUJQMBUGPSN
    Ͱ
    υΩϡϝϯτΞϓϦ
    

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22. NVMUJQMBUGPSNɺ
    υΩϡϝϯτΞϓϦʹ͍ͭͯઆ໌
    

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23. NBD04#JHTVSͰ͸
    NVMUJQMBUGPSNͰ
    υΩϡϝϯτΞϓϦ͕։ൃՄೳʹ
    

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24. ͸ͨͯͦ͠Ε͸ྑ͍ࣄͮ͘Ί
    

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25. "QQMFʹͱͬͯ͸
    NBD04ͷఈ্͛ૂ͍
    

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26. J04ΞϓϦ։ൃऀʹͱͬͯ͸
    NBD04΁ΞϓϦΛల։Ͱ͖Δνϟϯε
    

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27. ࣮ࡍͷͱ͜Ζ
    

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28. iOS/macOSͰ͸ผΞϓϦͳͷͰ
    ιʔείʔυҎ֎ͷϦιʔε͕൥ࡶ
    Ϩτϩͳ։ൃϦιʔεͱͷ֨ಆʹͳΔ
    

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29. ͭͷJOGPQMJTU
    wґଘ৘ใ͕JOGPQMJTUʹूத
    wϝϯςφϯεੑ͸ͦͦ͜͜ѱ͍
    wΞϓϦ͕ѻ͏ϑΝΠϧछผఆٛ
    Λ04͝ͱهड़ඞཁ
    

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30. υΩϡϝϯτ͕
    ೥
    w"QQMFͷϑΝΠϧछผఆ͕ٛ
    ݻͬ·ͬͨͷ͕೥Ͱυ
    Ωϡϝϯτߋ৽ͳ͠
    w88%$ʹ4XJGU޲͚ʹϑ
    ϨʔϜϫʔΫ௥Ճ
    

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31. υΩϡϝϯτΞϓϦʹؔ͢ΔࢿྉΛ
    8FC͔Β୳͚ͩ͢Ͱ೉ّ
    

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32. ͦ΋ͦ΋υΩϡϝϯτͷ
    ఆٛՕॴ͸Ͳ͜
    

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33. View Slide

34. υΩϡϝϯτछผ
    ϑΝΠϧछผఆٛ
    ϑΝΠϧछผఆٛ
    63-4DIFNF
    NBD04ͷରԠαʔϏε
    

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35. υΩϡϝϯτछผ
    ϑΝΠϧछผఆٛ
    ϑΝΠϧछผఆٛ
    63-4DIFNF
    NBD04ͷରԠαʔϏε
    

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36. %PDVNFOU5ZQFT
    6OJGPSN5ZQF
    *EFOUJ
    f
    i
    FS
    5ZQFTͰ65*Λࢦఆ
    5ZQFTͰ65*Λࢦఆ
    

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37. υΩϡϝϯτλΠϓͱ
    6OJGPSN5ZQF*EFOUJ
    f
    i
    FS
    

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38. υΩϡϝϯτλΠϓ %PDVNFOU5ZQFT
    
    w ΞϓϦ͕ରԠ͢ΔυΩϡϝϯτछผΛهड़
    w υΩϡϝϯτछผ͸ෳ਺ࢦఆՄೳ
    w 5ZQFTʹ߹க͢ΔϑΝΠϧσʔλछผΛࢦఆ͢Δ
    w 65*Λࢦఆ͢ΔɺΧϯϚ۠੾ΓͰ65*Λ૊Έ߹ΘͤΔ͜ͱ͕Ͱ͖Δ
    w )BOEMFSυΩϡϝϯτʹର͢ΔΞϓϦͷཱͪճΓΛࢦఆ
    

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39. View Slide

40. 6OJGPSN5ZQF*EFOUJ
    f
    i
    FS
    w ೥ࡦఆ
    w %PDVNFOU5ZQFͰࢦఆ͢Δ
    w 04ʹϑΝΠϧσʔλछผͷ੔ཧͷͨΊʹಋೖ
    w ΞϓϦ͕Πϯετʔϧ͞ΕΔ͜ͱͰϑΝΠϧσʔλఆ͕ٛ૿Ճ
    w ૿Ճ͢ΔϑΝΠϧσʔλఆٛΛద੾ʹ෼ྨɺࣝผͷͨΊʹࡦఆ
    

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41. 6OJGPSN5ZQF*EFOUJ
    f
    i
    FS֓ཁ
    w "QQMFͷϑΝΠϧσʔλఆٛ
    w ֊૚ߏ଄Ͱ؅ཧ͞Ε͍ͯΔ
    w ̎छ &YQPSUFE5ZQF*EFOUJ
    f
    i
    FSTͱ*NQPSUFE5ZQF*EFOUJ
    f
    i
    FST
    
    w &YQPSUFEʙ͸ΞϓϦಠࣗͷϑΝΠϧσʔλܗࣜΛࢦఆ
    w *NQPSUFE͸ΞϓϦಠࣗҎ֎ͷϑΝΠϧσʔλܗࣜΛࢦఆ
    

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42. 6OJGPSN5ZQF*EFOUJ
    f
    i
    FS֓ཁ
    w "QQMFͷϑΝΠϧσʔλఆٛ
    w ֊૚ߏ଄Ͱ؅ཧ͞Ε͍ͯΔ
    w ̎छ &YQPSUFE5ZQF*EFOUJ
    f
    i
    FSTͱ*NQPSUFE5ZQF*EFOUJ
    f
    i
    FST
    
    w &YQPSUFEʙ͸ΞϓϦಠࣗͷϑΝΠϧσʔλܗࣜΛࢦఆ
    w *NQPSUFE͸ΞϓϦಠࣗҎ֎ͷϑΝΠϧσʔλܗࣜΛࢦఆ
    

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43. 65*ͷ֊૚ߏ଄
    

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44. 65*ͷ֊૚ߏ଄
    ෺ཧ໘ͷ֊૚ߏ଄
    ػೳ໘ͷ֊૚ߏ଄
    

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45. 65*ͷ֊૚ߏ଄
    ෺ཧ໘ͷ֊૚ߏ଄
    ػೳ໘ͷ֊૚ߏ଄
    

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46. 65*ͷ֊૚ߏ଄
    ෺ཧ໘ͷ֊૚ߏ଄
    ػೳ໘ͷ֊૚ߏ଄
    QVCMJDKQFHɺQVCMJDUJ
    f
    f
    ͸ػೳ໘ͱ෺ཧ໘ͷ྆ํΛܧঝ
    

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47. ଟॏܧঝͰϑΝΠϧσʔλఆٛΛ
    ࣮ݱ͓ͯ͠ΓҰݟ೺Ѳͮ͠Β͍
    

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48. ೥͝ΖͷΦϒδΣΫτࢦ޲
    ϓϩάϥϛϯάͷߟ͑Ͱ࡞ͬͨײ
    

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49. ࣮ࡍͷ࢖͍ํ
    

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50. ͳΒ͹$PU&EJUPSΛ
    ࢀߟʹ͠Α͏
    

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51. $PU&EJUPS
    w ΦʔϓϯιʔεͷςΩετΤσΟλʔΞϓϦ
    w Ҏ্ͷϑΝΠϧʹରԠ
    w IUUQTHJUIVCDPNDPUFEJUPS$PU&EJUPS
    w 65*ʹ͍ͭͯ΋&YQPSUFE *NQPSUFEͷͦΕ
    ͧΕͷఆٛ͋Γ
    

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52. 6OJGPSN5ZQF*EFOUJ
    f
    i
    FST
    GSBNFXPSL
    

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53. ͜͜·ͰυΩϡϝϯτΞϓϦΛ
    ࢼͯ͠Έ͍ͨΈ͍ͨͳ࿩ʹͳ͍ͬͯͳ͍
    

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54. ͳͥ
    

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55. JOGPQMJTU͸04ʹఏڙ͢Δ৘ใͱ
    ΞϓϦ͕࢖͏৘ใؚ͕·ΕΔ
    

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56. %PDVNFOU5ZQFT 65*Tͷ༻్
    04 ΞϓϦ
    ಛఆͷ֦ுࢠ෇͖
    ϑΝΠϧΛ։͖͍ͨ
    w ϑΝΠϧΛλοϓͨ͠ͱ͖ʹىಈ
    ͢ΔΞϓϦΛಛఆ͍ͨ͠
    w ϑΝΠϧ։͚ΔީิΛग़͍ͨ͠
    w ϑΝΠϧͷΞΠίϯϓϨϏϡʔ
    ΞΠίϯΛද͍ࣔͨ͠
    w )BOEP
    f
    f
    Մೳ͔
    w FUD
    

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57. %PDVNFOU5ZQFT 65*Tͷ༻్
    04 ΞϓϦ
    ಛఆͷ֦ுࢠ෇͖
    ϑΝΠϧΛ։͖͍ͨ
    w ϑΝΠϧΛλοϓͨ͠ͱ͖ʹىಈ
    ͢ΔΞϓϦΛಛఆ͍ͨ͠
    w ϑΝΠϧ։͚ΔީิΛ;΍͍ͨ͠
    w ϑΝΠϧͷΞΠίϯϓϨϏϡʔ
    ΞΠίϯΛද͍ࣔͨ͠
    w FUD
    04ͷڍಈ͸ஔ͍͓͍ͯͯ
    υΩϡϝϯτϑΝΠϧΛ։
    ͖͍ͨ
    

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58. ໰୊Λղܾ͢ΔϑϨʔϜϫʔΫ
    ͕J04 NBD04Ͱ௥Ճ
    

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59. 6OJGPSN5ZQF*EFOUJ
    f
    i
    FSTGSBNFXPSL
    w NVMUJQMBUGPSNϑϨʔϜϫʔΫ
    w 4XJGUͷΈରԠ ࣮࣭NVMUJQMBUGPSNͰ͔͠࢖͍ͬͯͳ͍
    
    w υΩϡϝϯτΞϓϦͰѻ͏ϑΝΠϧσʔλఆٛΛࢦఆՄೳ
    w 65*΍֦ுࢠͰϑΟϧσʔλఆٛࢦఆՄೳ
    w Α͘࢖͏ϑΝΠϧͷϓϦηοτఆٛ͋Γ
    w υΩϡϝϯτͰಡΈࠐΈՄೳͳϑΝΠϧσʔλఆٛΛ65*΋͘͠͸ؔ࿈৘ใͰࢦ
    ఆՄೳ ֦ுࢠͳͲ
    
    

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60. υΩϡϝϯτΞϓϦͰಡΈࠐΉϑΝΠϧΛࢦఆ͢Δᶃ
    import SwiftUI
    
    
    import UniformTypeIdentifiers
    
    
    extension UTType {
    
    
    static var exampleText: UTType {
    
    
    UTType(importedAs: "com.example.plain-text")
    
    
    }
    
    
    }
    
    
    struct FooDocumentAppDocument: FileDocument {
    
    
    …
    
    
    // ࢲతܗࣜΛࢦఆ
    
    
    static var readableContentTypes: [UTType] { [.exampleText] }
    
    
    …
    
    
    }
    

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61. υΩϡϝϯτΞϓϦͰಡΈࠐΉϑΝΠϧΛࢦఆ͢Δᶄ
    import SwiftUI
    
    
    import UniformTypeIdentifiers
    
    
    struct FooDocumentAppDocument: FileDocument {
    
    
    …
    
    
    // ϓϨʔϯςΩετΛࢦఆ
    
    
    static var readableContentTypes: [UTType] { [.plainText] }
    
    
    …
    
    
    }
    

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62. υΩϡϝϯτΞϓϦͰಡΈࠐΉϑΝΠϧΛࢦఆ͢Δᶃ
    import SwiftUI
    
    
    import UniformTypeIdentifiers
    
    
    extension UTType {
    
    
    static var nekonekoDocument: UTType {
    
    
    UTType(importedAs: "com.nekoneko.document")
    
    
    }
    
    
    }
    
    
    struct FooDocumentAppDocument: FileDocument {
    
    
    …
    
    
    // ଘࡏ͠ͳ͍UTI͸ϥϯϥΠϜΤϥʔͱͳΔ
    
    
    static var readableContentTypes: [UTType] { [.nekonekoDocument] }
    
    
    …
    
    
    }
    

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63. %DVNFOU5ZQFT 65*ʹৼΓճ͞ΕΔ
    υΩϡϝϯτΞϓϦ։ൃ͕Ұ෦վળ
    ͨͩ͠NVMUJQMUGPSN 4XJGU6*
    ͷΈ
    

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64. NBD04ͱJ04ͷٕज़
    λΠϜϥΠϯ
    

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65. ͔͜͜Β͸ࢲݟ
    

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66. 
    
    NBD04 J04
    $PSF%BUB
    $PSF"OJNBUJPO
    $PSF*NBHF
    NBD04
    NVMUJQMBUGPSN
    J04 J1BE04
    "7'PVOEBUJPO
    4XJGU6*
    6TFS/PUJ
    f
    i
    DBUJPOT
    4DFOF,JU 4QSJUF,JU
    4JSJ,JU
    4JSJ,JU
    "VUJP5PPM#PY
    5JHFS
    -FPQBSE
    
    65*
    

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67. 
    
    NBD04 J04
    $PSF%BUB
    $PSF"OJNBUJPO
    $PSF*NBHF
    NBD04
    NVMUJQMBUGPSN
    J04 J1BE04
    "7'PVOEBUJPO
    4XJGU6*
    6TFS/PUJ
    f
    i
    DBUJPOT
    4DFOF,JU 4QSJUF,JU
    4JSJ,JU
    4JSJ,JU
    "VUJP5PPM#PY
    5JHFS
    -FPQBSE
    
    65*
    

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68. υΩϡϝϯτఆٛ͸೥ͷ
    ݟͨ໨Ͱ࢒Γଓ͚ͨ
    

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69. ೥Ҏ߱"QQMF͕
    NBD04΁ͷ͞ΒͳΔఈ্͛Ͱ
    ϑΝΠϧఆٛͷܗ΋มΘΔ͔΋
    

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70. ·ͱΊ
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