パフォーマンス改善とユニットテスト

Bonfire iOS #5 発表資料

Transcript

1. #POpSFJ04ʛ!TIUOLHN
   ύϑΥʔϚϯεվળͱϢχοτςετ
   

   View Slide

2. 4IPUB/BLBHBNJ
   ϠϑʔגࣜձࣾʛΤϯδχΞ
   !TIUOLHN
   

   View Slide

3. :BIPPγϣοϐϯά
   

   View Slide

4. wJ04ΞϓϦϦϦʔε
   wίʔυن໛
   wϢχοτςετ
   w୲౰J04ΤϯδχΞ
   ɿʙ
   ɿສߦʢ0CKFDUJWF$ɿʣ
   ɿ݅ʢΧόϨοδɿʣ
   ɿ໊ʢЋʣ
   

   View Slide

5. ݱࡏͷ໾ׂ
   w ύϑΥʔϚϯεվળ
   w ٕज़తෛ࠴ͷղফ
   w ։ൃޮ཰ͷվળ

   ʢGBTUMBOFɺ4XJGU-JOUɺ%BOHFSɺ4XJGU(FOɺ4DSFXESJWFSDEɺ1FSJQIFSZʣ
   ػೳ։ൃ
   νʔϜ
   ٕज़վળ
   νʔϜ
   

   View Slide

6. ࠓ೔࿩͍ͨ͜͠ͱ
   

   View Slide

7. :BIPPγϣοϐϯάΞϓϦͷ
   ύϑΥʔϚϯεվળͱ
   Ϣχοτςετ׆༻ͷ࿩
   

   View Slide

8. ˞ܭଌ஋͸ࣗࣾௐ΂
   501ը໘
   ΞϓϦىಈʙදࣔ·Ͱͷ଎౓վળ
   #FGPSFɿฏۉඵ
   

   View Slide

9. ΞϓϦىಈʙදࣔ·Ͱͷ଎౓վળ
   #FGPSFɿฏۉඵ
   ˞ܭଌ஋͸ࣗࣾௐ΂
   ࡟ݮ
   501ը໘
   "GUFSɿฏۉඵ
   

   View Slide

10. View Slide

11. ϘτϧωοΫՕॴͷௐࠪ
    

    View Slide

12. "1*௨৴Ͱ

    ಈతʹมΘΔλϒϝχϡʔ
    

    View Slide

13. ىಈ͔Β501දࣔ·ͰͷྲྀΕ
    

    View Slide

14. ىಈ
    "1*௨৴
    "1*௨৴
    λϒදࣔ
    501දࣔ
    

    View Slide

15. ىಈ
    "1*௨৴
    "1*௨৴
    λϒදࣔ
    501දࣔ
    

    View Slide

16. ىಈ
    "1*௨৴
    "1*௨৴
    λϒදࣔ
    501දࣔ
    λϒ௥Ճ
    

    View Slide

17. ํ਑͸0,ɺͰ΋
    
    

    View Slide

18. ϓϩάϥϜͷෳࡶ౓͕૿͢
    ฒྻԽඇಉظԽʹΑΓ
    

    View Slide

19. վमର৅ͷΫϥε͕طʹෳࡶ
    
    

    View Slide

20. վमର৅ͷΫϥεΛͳ͕ΊΔ
    w ॳظ࣮૷͔Β਺೥ܦ͍ͬͯΔ
    w मਖ਼ͷܧ͗଍͠ʹΑΔ'BU7$ʢߦPWFSʣ
    w 7JFX΍ϏδωεϩδοΫ͕ࠞࡏ͠ɺ੹຿աଟ
    w Ϣχοτςετ΄΅ͳ͠
    

    View Slide

21. Ͳ͏͢Δʁ
    

    View Slide

22. طଘΫϥε
    'BU7$
    

    View Slide

23. طଘΫϥε ௥Ճ
    ❌͞ΒʹංେԽ
    ௥Ճ
    

    View Slide

24. طଘΫϥε
    Ϋϥε Ϋϥε Ϋϥε
    খ͘͞੾Γग़͠
    

    View Slide

25. طଘΫϥε
    Ϋϥε Ϋϥε Ϋϥε
    ฒྻԽॲཧ ඇಉظԽॲཧ
    

    View Slide

26. Ϋϥε Ϋϥε Ϋϥε
    طଘΫϥε
    ✅ ✅ ✅
    Ϣχοτςετ
    

    View Slide

27. Ϋϥε Ϋϥε Ϋϥε
    طଘΫϥε
    ✅ ✅ ✅
    ґଘΫϥεΛ֎෦͔Βઃఆ
    ʢ%FQFOEFODZ*OKFDUJPOʣ
    *OKFDU
    *OKFDU
    

    View Slide

28. .PDL
    Ϋϥε
    .PDL
    Ϋϥε
    Ϋϥε
    طଘΫϥε
    ✅ ✅ ✅
    ✅
    ্ҐϨΠϠʔ
    Ϣχοτςετ
    

    View Slide

29. ΋͏গ͠۩ମతʹ
    w λϒϝχϡʔͷදࣔϩδοΫΛ੾Γग़͠ɺ

    4UBDL7JFXԽ
    w ঢ়ଶ؅ཧͱ௨৴ϩδοΫΛ੾Γग़͠
    w λϒͷछྨΛFOVNͰ࠶੔ཧʜͳͲ
    

    View Slide

30. 7JFXϨΠϠʔͷϢχοτςετ
    

    View Slide

31. ॻ͖ʹ͍͕͘ɺ
    ෆ͕҆͋Ε͹ॻ͘
    

    View Slide

32. 7JFXͷςετ͕ॻ͖ʹ͍͘ཧ༝
    w νΣοΫର৅͕7JFXͷදࣔͱͳΔͨΊɺग़ྗΛऔಘͮ͠Β͍

    ʢ҉໧తͳग़ྗͷνΣοΫʣ

    w 6*,JUͷϥΠϑαΠΫϧʹԊͬͯදࣔ׬ྃΛ଴ͭ

    ʢඇಉظςετʣ
    

    View Slide

33. // Tips: ΞΫηεम০ࢠΛมߋ͢Δ
    // before
    @IBOutlet private weak var titleLabel: UILabel!
    // after
    @IBOutlet private(set) weak var titleLabel: UILabel!
    

    View Slide

34. // Tips: subviews͔ΒಛఆΫϥεViewͷΈΛऔಘ͢Δ
    let labels = view.findViews(subclassOf: UILabel.self)
    let tabViews = view.findViews(subclassOf: TabView.self)
    extension UIView {
    var recursiveSubviews: [UIView] {
    return subviews + subviews.flatMap { $0.recursiveSubviews }
    }
    func findViews(subclassOf: T.Type) -> [T] {
    return recursiveSubviews.compactMap { $0 as? T }
    }
    }
    

    View Slide

35. // Tips: දࣔ׬ྃͷ଴ػ
    func waitUntil(condition: () -> Bool) {
    while !condition() {
    RunLoop.main.run(until: Date(timeIntervalSinceNow: 0.001))
    }
    }
    

    View Slide

36. 7JFXͷϢχοτςετΛ
    ॻ͍ͯΑ͔ͬͨ͜ͱ
    

    View Slide

37. Ϣχοτςετ͕௨Βͳ͍
    λϒͷ਺͕ظ଴௨ΓʹͳΒͳ͍
    ❌
    

    View Slide

38. खಈςετͰ͸Ұݟਖ਼͍͠
    
    

    View Slide

39. %FCVH7JFX)JFSBSDIZ
    

    View Slide

40. View Slide

41. View Slide

42. View Slide

43. View Slide

44. ݪҼ
    6*4UBDL7JFXͷαϒϏϡʔͷ࡟আͷ࢓ํ
    

    View Slide

45. 6*4UBDL7JFXͰλϒΛ؅ཧ
    λϒͷ௥ՃɿBEE"SSBOHFE4VCWJFX @
    
    λϒͷ࡟আɿSFNPWF"SSBOHFE4VCWJFX @
    
    

    View Slide

46. // arrangedSubviewsΛ࡟আ
    stackView.arrangedSubviews
    .forEach { stackView.removeArrangedSubview($0) }
    // subviewsΛ࡟আ
    stackView.subviews
    .forEach { $0.removeFromSuperview() }
    

    View Slide

47. 7JFXͷϢχοτςετͰ
    खಈςετͰ͸ؾ͖ͮʹ͍͘
    ໰୊ʹؾ͚ͮͨ
    

    View Slide

48. ৼΓฦΓ
    

    View Slide

49. w ϢχοτςετΛॻ͖ͳ͕ΒϦϑΝΫλͯ͠

    ࠓޙ΋ϝϯς͠΍͍͢ίʔυʹ
    w खಈςετͰͷख໭Γ͕࠷খݶ

    ʢόάΛઌग़͠Ͱݕग़ʣ
    (
    

    View Slide

50. w ϩάૹ৴͍ͯ͠Δσʔλͷத਎͕Ұ෦ܽଛ
    w ϢχοτςετɺखಈςετͰ΋ݕ஌Ͱ͖ͣ
    )
    

    View Slide

51. ߴ଎Խ͗ͯ͢͠લఏ৚่͕݅ΕΔ
    w ߴ଎Խલ͸λΠϛϯά͕஗͔ͬͨͷͰɺਖ਼͘͠ಈ࡞
    w ϩάૹ৴ͷλΠϛϯά͕ૣ͘ͳΓɺ

    ඞཁͳσʔλ͕औΕͯͳ͍ͷʹϩάૹ৴
    ૹ৴σʔλͷऔಘ
    ϩάૹ৴˓
    ϩάૹ৴º
    ߴ଎Խ
    

    View Slide

52. Ϟδϡʔϧؒͷ҉໧తͳґଘؔ܎͸

    ϢχοτςετͰ͸ؾ͖ͮʹ͍͘
    

    View Slide

53. func sendLog() {
    assert(analyticsData.foo != nil, "foo͕औಘͰ͖͍ͯΔ͜ͱ")
    logger.sendLog()
    }
    

    View Slide

54. ·ͱΊ
    

    View Slide

55. ·ͱΊ
    w ύϑΥʔϚϯεվળͱϦϑΝΫλϦϯά͸

    Ͱ͖Ε͹ηοτͰ
    w खಈςετͰ͸ؾ͚ͮͳ͍ෆ۩߹ʹ

    7JFXͷςετͰؾ͚ͮͨ
    w Ϣχοτςετ͚ͩͰͳ͘"TTFSUJPO΋׆༻
    

    View Slide

56. ͋Γ͕ͱ͏͍͟͝·ͨ͠
    #POpSFJ04ʛ!TIUOLHN
    

    View Slide