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Transcript

1. iOS ք۾
 Swift3 Ҡߦͷҋ ezura

2. iOS ΤϯδχΞͷਓ

3. iOS ΤϯδχΞͱ࢓ࣄͯ͠Δਓ

4. ·ͩɺଉͯ͠·͔͢ (´ɾωɾʆ)ʁ

5. "\(self)" • ezura • iOS ΤϯδχΞ • ࠷ۙ͸ Swift2 ͔Β

   Swift3 ΁ͷҠߦͷ͓࢓ࣄ

6. "\(self)" • ezura • iOS ΤϯδχΞ • ࠷ۙ͸ Swift2 ͔Β

   Swift3 ΁ͷҠߦͷ͓࢓ࣄ

7. ఻͍͑ͨ͜ͱ

8. Swift3 ରԠ͍ͯ͠ͳ͍
 iOS ΤϯδχΞͷํ
 
 ֮ޛ͍ͯͩ͘͠͞

9. iOS ΤϯδχΞͱ࢓ࣄ͍ͯ͠Δํ
 
 ԾʹɺSwift3 Ҡߦͷਐḿ͕ѱͯ͘΋
 ͝ཧղͷ΄ͲɺΑΖ͓͘͠ئ͍͠·͢…

10. Index • ҋʹࢸΔܦҢ • ҋΛ৐Γӽ͑ΔͨΊʹ • Swift3 ΁ͷॻ͖׵͑ޙʹൃੜͨ͜͠ͱ

11. ҋʹࢸΔܦҢ

12. Ή͔͠Ή͔͠ɺ
 iOS ΞϓϦ͸ Objective-C ͱ͍͏ݴޠͰ
 ॻ͘͜ͱ͕ඪ४Ͱͨ͠

13. ಥવͷͷܒࣔ

14. Swift ͱ͍͏ݴޠΛ࡞ͬͨΑ
 ࠓޙ͸͜ΕΛਪ͍ͯ͘͠Α

15. ༷ͷ࣊͝൵

16. (ͨͩ͠ɺ੍ݶ͋Γ) Objective-C ͱ Swift ͸
 ૬ޓʹݺͼग़͢͜ͱ͕Ͱ͖·͢
 Ὃ طଘͷίʔυ͸ͦͷ··࢖༻Մೳ

17. ͔ͯ͘͠ɺ
 iOS ΞϓϦ͸ Objective-C ͱ Swift ͷ
 ࠞࡏ͢ΔੈքͱͳΓ·ͨ͠

18. ৽͘͠ॻ͘෦෼͸ Swift2 ʹ͠Α͏
 ͱ͍͏ྲྀΕ

19. طଘͷίʔυ΋ 
 Swift2 ʹஔ͖׵͑Α͏ͱ͍͏ಈ͖

20. ฏ࿨͕๚Ε…

21. Swift3 ϦϦʔε
 ௒ഁյతΞοϓσʔτ

22. Xcode8.2 (࣍ͷόʔδϣϯ) Λ
 ࠷ޙʹ Swift2 ͷαϙʔτΛ੾ΔΑ

23. Swift3 ΁ͷҠߦ͸ۙʑඞਢʹ

24. ͱ͸͍͑ɺ3 ೔͘Β͍ͰऴΘΔͰ͠ΐʁ
 Conversion πʔϧ͋Δ͠…

25. Θͨ͋ΊͷΑ͏ʹ؁͍ߟ͑Ͱͨ͠

26. Error ਺ 0 200 400 600 800 ೔਺ 1 2

    3 4 5 6 7 8 9 Τϥʔ਺ (ୀࣾ࣌఺)

27. Կ͕͋ͬͨͷ͔ • Ұ౓ʹΤϥʔΛݕग़Ͱ͖ͳ͍ • ίϯόʔδϣϯπʔϧ͕·ͱ΋ʹಈ͔ͳ͍ • Swift ͱ Objective-C ͷ࿈ܞͷมߋ༝དྷͰɺةݥͳ

    ෦෼͕͋Δ • ϥΠϒϥϦ෦෼ͷมߋ͸શͯࣗ෼Ͱ • ϥϯλΠϜΤϥʔɺҙਤ͠ͳ͍ڍಈͷରԠ

28. Կ͕͋ͬͨͷ͔ • Ұ౓ʹΤϥʔΛݕग़Ͱ͖ͳ͍ • ίϯόʔδϣϯπʔϧ͕·ͱ΋ʹಈ͔ͳ͍ • Swift ͱ Objective-C ͷ࿈ܞͷมߋ༝དྷͰɺةݥͳ

    ෦෼͕͋Δ • ϥΠϒϥϦ෦෼ͷมߋ͸શͯࣗ෼Ͱ • ϥϯλΠϜΤϥʔɺҙਤ͠ͳ͍ڍಈͷରԠ

29. Error ਺ 0 200 400 600 800 ೔਺ 1 2

    3 4 5 6 7 8 9 Τϥʔ਺ (ୀࣾ࣌఺)

30. ҋΛ৐Γӽ͑ΔͨΊʹ

31. Swift2 ͷ͏͔ͪΒରࡦ͢Δ

32. Swift2 Ͱॻ͍͍ͯΔਓ • Swift ίʔσΟϯάΨΠυϥΠϯʹଇͬͯॻ͍͓ͯ ͖·͠ΐ͏ • Objective-C ͱͷ࿈ܞͰ IUO

    Λ࢖Θͣ Optional Ͱ ѻ͏Α͏ʹ͠·͠ΐ͏
 (nullability ΞϊςʔγϣϯΛࢦఆ͍ͯ͠ͳ͍৔߹) • RxSwift ͷഇࢭ༧ఆͷϝιου (`onNext` ౳) Λ࢖Θ ͳ͍Α͏ʹ͠·͠ΐ͏

33. ॻ͖·ͨ͠ʂ٩( 'ω' )و ࠓɺSwift2 Ͱॻ͍͍ͯΔಉ๔ୡ΁ɻ࠷௿ݶ΍ͬ ͓͖͍ͯͨɺSwift2 ͷ··Ͱ࢝ΊΔ Swift3 ରࡦ

34. Swift3 Ҡߦ్தͷਓ ಉࢤΑɺ͕Μ͹ͬͯ

35. Swift3 ίϯύΠϧΤϥʔղܾͷ
 ޙ೔ஊ

36. ϥϯλΠϜΤϥʔ • NSURL ͱ URL • Objective-C ͷδΣωϦοΫܕʹ Swift ͔ΒΞΫηε


    (Swift2 Ͱ͸େৎ෉ͩͬͨ…) • Objective-C Realm ࢮ͢
 (ݹ͍όʔδϣϯͩͬͨͷ΋ཁҼ) • ϚΠάϨʔγϣϯπʔϧ͕ͱΓ͋͑ͣ `!` ͚ͭͯͨ

37. ༧ظͤ͵ڍಈ • protocol ͷϝιου໊ͷม׵࿙Ε
 (optional ࢦఆ΍ default ࣮૷͍ͯ͠Δϝιουͩͱ ؾ͕͖ͭʹ͍͘) •

    ϚΠάϨʔγϣϯπʔϧ͕ྑ͘ͳ͍Ωϟετͯ͠Δ

38. ·ͱΊ

39. • ༧૝Ҏ্ʹ Swift3 ରԠʹ͸͕͔͔࣌ؒΔ • Swift2 ͷ͏͔ͪΒ Swift3 Λҙࣝͯ͠ॻ͍͓ͯ͘ͱָ •

    ίϯύΠϧΤϥʔղܾͷ͋ͱ΋ɺ৽ͨͳઓ͍͕࢝·Δ

40. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠