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iOSレガシーコード改善ガイド〜マンガボックス開発における事例〜

kenmaz
January 29, 2016
Programming
1
420

 iOSレガシーコード改善ガイド〜マンガボックス開発における事例〜

2016/01/29に開催された「DeNA TechCon 2016」での講演資料です。
https://techcon.dena.com

kenmaz

January 29, 2016
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Transcript

  1. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. J04ϨΨγʔίʔυվળΨΠυ 1 Jan

    29, 2016 দલ݈ଠ࿠ IPϓϥοτϑΥʔϜࣄۀ෦ୈ̍෦
 DeNA Co., Ltd. ʙϚϯΨϘοΫε։ൃʹ͓͚Δࣄྫʙ

  2. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࣗݾ঺հ দલ݈ଠ࿠ (id:kenmaz)

    2003.4 ೔ཱιϦϡʔγϣϯζ (چɾ೔ཱιϑτ΢ΣΞΤϯδχΞϦϯάʣ SIer, Java, Ruby, ଞ 2009.6 υϫϯΰ χίχίɺଞ 2013.4 DeNA ϚϯΨϘοΫε ϦʔυΤϯδχΞ 2

  3. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 3

  4. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 4 ϓϩ࡞Ոͷ  

    ඳ͖͓Ζ͠࡞඼͕   ຖ೔ߋ৽ɺແྉͰಡΊΔ   ϚϯΨࡶࢽΞϓϦ

  5. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 5

  6. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 6 ిࢠॻ੶ετΞ ϚϯΨ౤ߘ

  7. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ຊ୊ 7

  8. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϨΨγʔίʔυʹ͍ͭͯ 8

  9. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϚϯΨϘοΫεʹ͓͚ΔϨΨγʔίʔυ •։ൃελʔτ͔Β໿̏೥ •iOS6࣌୅ͷίʔυଟ਺

    •ػೳ௥Ճʹ൐͏ίʔυͷෳࡶԽ •ϨΨγʔίʔυԽͷஹީ 9

  10. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϚϯΨϘοΫεʹ͓͚ΔϨΨγʔίʔυ •։ൃελʔτ͔Β໿̏೥ •iOS6࣌୅ͷίʔυଟ਺

    •ػೳ௥Ճʹ൐͏ίʔυͷෳࡶԽ •ϨΨγʔίʔυԽͷஹީ 9 iOSϨΨγʔίʔυվળΨΠυ ϨΨγʔίʔυԽͤ͞ͳ͍ͨΊͷऔΓ૊Έ

  11. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃϦϦʔεαΠΫϧͷݟ௚͠ ᶄSwift΁ͷҠߦ ᶅAutoLayout΁ͷରԠ

    ᶆઃܭ ᶇӡ༻ɾϩά 10 iOS ϨΨγʔίʔυվળΨΠυ

  12. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃϦϦʔεαΠΫϧͷݟ௚͠ ᶄSwift΁ͷҠߦ ᶅAutoLayout΁ͷରԠ

    ᶆઃܭ ᶇӡ༻ɾϩά 10 iOS ϨΨγʔίʔυվળΨΠυ ޙ೔webͰެ։Ͱ͖Ε͹ɾɾɾ

  13. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Swift΁ͷҠߦ 11 iOSϨΨγʔίʔυվળΨΠυ

     ͦͷᶄ

  14. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ SwiftҠߦͷҙٛ

  15. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ SwiftҠߦͷҙٛ

  16. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ •

    Type  Safe   • Op<onal   • Immutable   • Generics SwiftҠߦͷҙٛ

  17. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 12 h)ps://developer.apple.com/swi7/ •

    Type  Safe   • Op<onal   • Immutable   • Generics SwiftҠߦͷҙٛ ݴޠͷ҆શੑʹΞϓϦͷ඼࣭ʹ௚݁

  18. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. iOSΤϯδχΞ 1.5ਓ Ͳ͏͢Δ

    13

  19. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 14

  20. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    14

  21. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 14

  22. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 14

  23. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 14

  24. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 5. ہॴతͳଥڠ͸ڐ༰ 14

  25. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. SwiftҠߦ΁ͷجຊઓུ 1. طଘίʔυͷڍಈΛഁյ͠ͳ͍͜ͱ

    2. طଘobjcίʔυͷमਖ਼͸ۃྗSwiftͰߦ͏͜ͱ 3. ஈ֊తʹঃʑʹҠߦ͢͢ΊΔ͜ͱ 4. SwiftΒ͍͠ίʔυΛॻ͍࣮ͯ֬ʹ඼࣭ΛߴΊΔ͜ͱ 5. ہॴతͳଥڠ͸ڐ༰ 14 →Mix-and-Match

  26. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and Match

    ͻͱͭͷϓϩδΣΫτͰObjective-CͱSwiftΛࠞ߹ͯ͠࢖͏ͨΊͷػೳ 15 h)ps://developer.apple.com/library/ios/documenta<on/Swi7/Conceptual/BuildingCocoaApps/MixandMatch.html

  27. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16

  28. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ

  29. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ

  30. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ

  31. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ

  32. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ

  33. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ

  34. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Mix and MatchΛ࢖ͬͨSwiftҠߦύλʔϯ

    16 ᶃ Ԇ໋ύλʔϯ ᶄ ͝৽نύλʔϯ ᶅ ੾Γग़͠ύλʔϯ ᶆ ϒϦοδύλʔϯ ᶇ extensionύλʔϯ ᶈ ๫࿐ύλʔϯ ᶉ ৐ͬऔΓύλʔϯ ᶊ ࣸܦύλʔϯ ύλʔϯ  ≒  ෢ಓʹ͓͚Δܗ ύλʔϯԽ͢Δҙٛ →  ໎Θͣ൑அͰ͖Δ ※֤ύλʔϯ໊͸ࢲʹΑΔউखͳ໋໊

  35. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 Objec<ve-­‐C

    swi7

  36. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc

      class objc   class objc   class Objec<ve-­‐C swi7

  37. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc

      class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ Objec<ve-­‐C swi7

  38. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc

      class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ ܕ҆શɾnil  ҆શ  ͳੈք Objec<ve-­‐C swi7

  39. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶃԆ໋ύλʔϯ 17 objc

      class objc   class objc   class Nullability,  Genericsʹؔ͢ΔΞϊςʔγϣϯΛ෇Ճ ܕ҆શɾnil  ҆શ  ͳੈք swi7 ҆શʹΞΫηε Objec<ve-­‐C swi7

  40. ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability,

    Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end

  41. ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability,

    Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray<Episode*>*)allEpisodes; NS_ASSUME_NONNULL_END @end

  42. ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability,

    Lightweight GenericsΛ௥Ճ͢Δ 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray<Episode*>*)allEpisodes; NS_ASSUME_NONNULL_END @end class UserHistory { func lastEepisode()->Episode? func allEepisodes()->[Episode] }

  43. ᶃԆ໋ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. objcʹ Nullability,

    Lightweight GenericsΛ௥Ճ͢Δ • طଘͷobjcࢿ࢈Λ҆શʹ࢖͑Δ • ϩʔίετɾϋΠϦλʔϯ • SwiftରԠ΁ͷୈҰาͱͯ͠࠷ద 18 @interface UserHistory -(Episode*)lastEepisode; -(NSArray*)allEpisodes; @end NS_ASSUME_NONNULL_BEGIN @interface UserHistory -(nullable Episode*)lastEepisode; -(NSArray<Episode*>*)allEpisodes; NS_ASSUME_NONNULL_END @end class UserHistory { func lastEepisode()->Episode? func allEepisodes()->[Episode] }

  44. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 Objec<ve-­‐C

    swi7

  45. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc

      class objc   class objc   class Objec<ve-­‐C swi7

  46. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc

      class objc   class objc   class ViewController   .swi7 View   Model   Objec<ve-­‐C swi7

  47. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶄ͝৽نύλʔϯ 19 objc

      class objc   class objc   class instan<ate ViewController   .swi7 View   Model   Objec<ve-­‐C swi7

  48. ᶄ͝৽نύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ৽نViewController͸جຊϑϧSwiftͰॻ͘ ʮ৽ن։ൃ෼͸SwiftͰॻ͖·͢ʯύλʔϯ

    طଘͷobjcίʔυͷґଘ͕গͳ͘΍Γ΍͍͢ ৽͍͠ը໘΍ػೳΛ௥Ճ͢Δέʔεʹ͓͢͢Ί ྫʣ • Ϣʔβొ࿥ɾϩάΠϯ • ϚΠϝχϡʔ • ίΠϯߪೖॲཧ • ಈը޿ࠂ 20

  49. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ Objec<ve-­‐C

    swi7

  50. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ objc

     class   method   Objec<ve-­‐C swi7

  51. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 ᶅ੾Γग़͠ύλʔϯ objc

     class   method   Objec<ve-­‐C swi7

  52. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 Logic  

    .swi7 ᶅ੾Γग़͠ύλʔϯ objc  class   method   Objec<ve-­‐C swi7

  53. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 21 Logic  

    .swi7 ᶅ੾Γग़͠ύλʔϯ objc  class   method   ίʔϧ Objec<ve-­‐C swi7

  54. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

  55. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    if (num.integerValue == 0) { NSLog(@"num is zero"); } else { NSLog(@"num is non zero"); } - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

  56. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m

  57. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m [NumLogger debug:num];

  58. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m + final class NumLogger: NSObject { class func debug(num:NSNumber) { if num.integerValue == 0 { print("num is zero") } else { print("num is non zero") } } } .swi7 [NumLogger debug:num];

  59. ᶅ੾Γग़͠ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ϩδοΫΛswiftʹ੾Γग़͢ 22

    - (NSNumber*)getNum { NSNumber* num = ...; return num; } .m + final class NumLogger: NSObject { class func debug(num:NSNumber) { if num.integerValue == 0 { print("num is zero") } else { print("num is non zero") } } } .swi7 [NumLogger debug:num]; • ࠷খݶͷมߋͰطଘobjcϝιουͷϩδοΫΛ௥Ճɾमਖ਼Ͱ͖Δ • ࢖͍Ͳ͜Ζɿϩάग़ྗॲཧɺόϦσʔγϣϯɺUtilతͳॲཧ • Ϣχοτςετ΋ॻ͖΍͍͢

  60. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Objec<ve-­‐C

    swi7

  61. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 objc

      class objc   class objc   class Objec<ve-­‐C swi7

  62. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested

     Type Top-­‐level   func<on Typealias Tuple enum enum enum struct struct struct objc   class objc   class objc   class Objec<ve-­‐C swi7

  63. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested

     Type Top-­‐level   func<on Typealias Tuple enum enum enum struct struct struct objc   class objc   class objc   class Objec<ve-­‐C swi7

  64. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested

     Type Top-­‐level   func<on Typealias Tuple enum enum enum struct struct struct objc   class objc   class objc   class Objec<ve-­‐C swi7

  65. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ᶆϒϦοδύλʔϯ 23 Nested

     Type Top-­‐level   func<on Typealias Tuple enum enum enum struct struct struct objc   class objc   class objc   class Bridging   NSObject Objec<ve-­‐C swi7

  66. objcͱswiftͷڮ౉͠ Ұఆن໛ͷswfitίϯϙʔωϯτ objcίʔυ ͷڮ౉͠ ᶆϒϦοδύλʔϯ Copyright (C) DeNA Co.,Ltd. All

    Rights Reserved. 24 ޿ࠂ࿮ Ad networking logging imp click display/   event  handling

  67. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ Objec<ve-­‐C

    swi7

  68. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass

      method1 method2 Objec<ve-­‐C swi7

  69. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass

      method1 method2 method3 Objec<ve-­‐C swi7

  70. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass

      method1 method2 method3 FooClass   extension     Objec<ve-­‐C swi7

  71. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass

      method1 method2 method3 FooClass   extension     method3 Objec<ve-­‐C swi7

  72. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 25 ᶇextensionύλʔϯ FooClass

      method1 method2 method3 FooClass   extension     method3 Objec<ve-­‐C swi7

  73. ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26

    @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m

  74. ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26

    @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m + extension FooClass { //ϝιου௥Ճ func method3() { … } } .swi7

  75. ᶇextensionύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. طଘobjcΫϥεΛextension͢Δ 26

    @implement FooClass - (void)method1 {...} - (void)method2 {...} @end .m + extension FooClass { //ϝιου௥Ճ func method3() { … } } .swi7 • Ұ൪ࣗવͰద༻ͤ͞΍͍͢ύλʔϯ

  76. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    Objec<ve-­‐C swi7

  77. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    Objec<ve-­‐C swi7

  78. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    Objec<ve-­‐C swi7

  79. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    ViewerController   extension Objec<ve-­‐C swi7

  80. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    ViewerController   extension func   shareBu)onDidTapped()   Objec<ve-­‐C swi7

  81. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 27 ᶇextensionύλʔϯ ViewerController

    ViewerController   extension func   shareBu)onDidTapped()   Objec<ve-­‐C swi7

  82. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ Objec<ve-­‐C

    swi7

  83. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass

      property1 method1 Objec<ve-­‐C swi7

  84. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass

      property1 method1 Objec<ve-­‐C swi7 method2

  85. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec<ve-­‐C swi7 method2

  86. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec<ve-­‐C swi7 method2   method2

  87. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 ࢀরɾίʔϧෆՄ Objec<ve-­‐C swi7 method2   method2

  88. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec<ve-­‐C swi7 method2   method2

  89. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Objec<ve-­‐C swi7 method2   method2 ҙਤతͳ   ΧϓηϧԽͷഁյʂ

  90. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   Objec<ve-­‐C swi7 method2   method2 ҙਤతͳ   ΧϓηϧԽͷഁյʂ

  91. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   Objec<ve-­‐C swi7 property1 method1 ެ։ method2   method2 ҙਤతͳ   ΧϓηϧԽͷഁյʂ

  92. FooClass   extension     ᶇ extensionύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 28 ᶈ๫࿐ύλʔϯ FooClass   property1 method1 Bridging-­‐ Header.h   ࢀরɾίʔϧ Objec<ve-­‐C swi7 property1 method1 ެ։ method2   method2 ҙਤతͳ   ΧϓηϧԽͷഁյʂ

  93. ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface

    FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m @interface FooClass @end .h

  94. ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface

    FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h

  95. ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface

    FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m extension FooClass { func methods() { property1 = “foo"; method1() } } .swi7 + #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h

  96. ᶈ๫࿐ύλʔϯ Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 29 @interface

    FooClass () @property NSString property1; @end @implement FooClass (void)method1 { ... } @end .m extension FooClass { func methods() { property1 = “foo"; method1() } } .swi7 + #import “xxx.h” #import “yyy.h” #import “zzz.h” ... @interface FooClass (PrivateForSwift) @property (readonly) NSString *property1; (void)method1; @end Xxxx-­‐Bridging-­‐Header.h + @interface FooClass @end .h ↑objc͸Ұ੾มߋ͍ͯ͠ͳ͍

  97. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  98. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ

    ᶈ๫࿐ύλʔϯ

  99. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  100. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  101. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  102. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  103. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ ⁃ Ұ࣌తͳରԠɺͱ͍͏ׂΓ੾Γ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  104. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ҙਤతʹΧϓηϧԽΛഁյ ⁃ extension͔ΒຊମΫϥεͷϓϥΠϕʔτଐੑ΁ͷΞΫηε͕

    Մೳʹ ⁃ มߋՕॴ͸ϒϦοδϯάϔομͷΈɺطଘͷ.h/.m͸มߋͳ͠ ଥڠ͕ඞཁͳ෦෼ ⁃ ҟ࿦ͷग़Δͱ͜Ζ ⁃ Ұ࣌తͳରԠɺͱ͍͏ׂΓ੾Γ ⁃ ͜͜ΛׂΓ੾Ε͹SwiftԽ͸ҰؾʹਐΉ 30 ϓϥΠϕʔτଐੑΛ෦෼తʹެ։͢Δ ᶈ๫࿐ύλʔϯ

  105. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 31 Objec<ve-­‐C swi7 property2 method2

  106. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 31 Objec<ve-­‐C swi7 property2 method2 FooClass   extension   method2   property2   ᶇ extensionύλʔϯ ???

  107. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 31 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 31 Objec<ve-­‐C swi7 property2 method2 FooClass   extension   method2   property2   ᶇ extensionύλʔϯ ???

  108. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ 32

    Objec<ve-­‐C swi7

  109. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 32 Objec<ve-­‐C swi7

  110. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 32 Objec<ve-­‐C swi7 property2 method2

  111. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass

      method1 property1 32 Objec<ve-­‐C swi7 property2 method2 FooClassBase rename

  112. FooClass   Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 32

    ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec<ve-­‐C swi7 property2 method2 FooClassBase rename

  113. FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 Objec<ve-­‐C swi7 property2 method2 FooClassBase rename

  114. FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 property2 method2 FooClassBase rename

  115. FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 FooClassBase rename

  116. FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 ࢀরɾίʔϧ? FooClassBase rename

  117. FooClass   extends Copyright (C) DeNA Co.,Ltd. All Rights Reserved.

    32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 FooClassBase rename

  118. FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 FooClassBase rename

  119. FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 property1 method1 ެ։ FooClassBase rename

  120. FooClass   extends Bridging-­‐ Header.h   +ᶈ๫࿐ύλʔϯ Copyright (C) DeNA

    Co.,Ltd. All Rights Reserved. 32 ᶉ৐ͬऔΓύλʔϯ FooClass   method1 property1 32 method2   property2   Objec<ve-­‐C swi7 property1 method1 ެ։ ࢀরɾίʔϧ FooClassBase rename

  121. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  122. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ 33

    objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  123. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  124. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  125. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  126. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  127. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ • ܧঝؔ܎͕มߋ͞ΕΔ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  128. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ⁃ ܧঝͯ͠৐ͬऔΔ •

    ΫϥεຊମΛSwiftʹҠ͠ସ͑ɺطଘobjcΫϥε͸਌ ΫϥεԽ • ϓϩύςΟ΍ϝιου͸ࣗ༝ʹ௥ՃՄೳ • ᶈ๫࿐ύλʔϯͷซ༻Մೳ ⁃ ଥڠϙΠϯτ • ܧঝؔ܎͕มߋ͞ΕΔ ⁃ ผղˠ 33 objΫϥεΛswiftͰܧঝ໊͠લΛ৐ͬऔΔ ᶉ৐ͬऔΓύλʔϯ

  129. FooClass   method1 property1 Copyright (C) DeNA Co.,Ltd. All Rights

    Reserved. 34 ᶉผղɿ৐ͬऔΓύλʔϯ(ΧςΰϦ֦ு) FooClass   34 property2   (Category  Extension) Objec<ve-­‐C swi7 property1 extensionͰ͸ͳ͘   ಉ໊ΫϥεΛSwi7Ͱ ݩͷFooClassΛ   objcΧςΰϦ֦ுʹ߱֨

  130. FooClass   method1 property1 Copyright (C) DeNA Co.,Ltd. All Rights

    Reserved. 34 ᶉผղɿ৐ͬऔΓύλʔϯ(ΧςΰϦ֦ு) FooClass   34 property2   (Category  Extension) Objec<ve-­‐C swi7 property1 extensionͰ͸ͳ͘   ಉ໊ΫϥεΛSwi7Ͱ ݩͷFooClassΛ   objcΧςΰϦ֦ுʹ߱֨ ☓৐ͬऔΓݩPCKDʹϓϥΠϕʔτଐੑ͕͋Δ৔߹ɺ੍ݶଟΊͳͷͰ/(

  131. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. ࢀߟɿΞϯνύλʔϯ 35 //ετΞυϓϩύςΟͷ௥Ճ

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