とある端末の触覚技術 -フィードバック-

iOSDC Japan 2018（ https://fortee.jp/iosdc-japan-2018/proposal/26e6c9da-921a-4f47-a9d4-286c42d84bd7 ）での発表資料です。

スライド内で紹介したUIFeedBackGeneratorを一通り試すことのできるサンプラーは以下で確認できます。
・cokaholic/TapticSampler

https://github.com/cokaholic/TapticSampler

Transcript

1. iOSDC 2018
   2018/8/31
   cokaholic @TK_u_nya
   

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2. cokaholic
   • iOS engineer at AbemaTV, Inc.
   • Github, Qiita: cokaholic
   • Twitter: @TK_u_nya
   • AppStore: Keisuke Tatsumi
   

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3. iPhone6͔ΒiPhone8ʹങ͍ม͑·ͨ͠
   1೥΄Ͳલ
   

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4. ͦͯ͠ɺීஈ௨Γʹૢ࡞ͯ͠
   ͍Δ͏ͪʹࠓ·Ͱʹແ͔ͬͨ
   ͋Δҧ࿨ײʹؾ͖ͮ·ͨ͠…
   

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5. ϒϧϯοʂϒϧϯοʂ
   

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6. ͑ͬ…ʂʁ
   

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7. ϒϧϯοʂϒϧϯοʂ
   

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8. ͍ͭ͜ɾɾɾಈͧ͘ɾɾɾ
   

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9. ͦͷਖ਼ମͱ͸…
   

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10. Taptic Engine
    

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11. Agenda
    • What’s Taptic Engine
    • How To Use
    • When should I use Taptic Engine?
    • Summary
    

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12. Agenda
    • What’s Taptic Engine
    • How To Use
    • When should I use Taptic Engine?
    • Summary
    

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13. What’s Taptic Engine
    • iPhone6s͔Β಺෦ʹ౥ࡌ͞Εͨϋʔυ΢ΣΞ
    

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14. Taptic Engine ͕౥ࡌ͞Ε͍ͯΔσόΠε
    • iPhone6s, 6s Plus
    • iPhone7, 7 Plus
    • iPhone8, 8 Plus
    • Apple Watch Series1, 2, 3
    • iPhoneX
    

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15. What’s Taptic Engine
    • iPhone6s͔Β಺෦ʹ౥ࡌ͞Εͨϋʔυ΢ΣΞ
    • Taptic Engine͸Haptic FeedbackΛ࣮ݱ͢Δ
    ͨΊʹ౥ࡌ͞Ε͍ͯΔ
    

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16. What’s Haptic Feedback
    • ʮ৮֮ϑΟʔυόοΫʯͱ༁͠·͢
    • ར༻ऀʹྗɺৼಈɺಈ͖ͳͲΛ༩͑Δ͜ͱͰൽ
    ෘײ֮ϑΟʔυόοΫΛಘΔςΫϊϩδʔͷ͜ͱ
    • աڈʹ͸NINTENDO64༻ίϯτϩʔϥͷৼಈ
    ύοΫ΍ιχʔͷDUALSHOCKͳͲ͕͜ΕΛ࣮
    ݱ͢ΔͨΊͷ΋ͷͰ͋ͬͨ
    

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17. What’s Taptic Engine
    • iPhone6s͔Β಺෦ʹ౥ࡌ͞Εͨϋʔυ΢ΣΞ
    • Taptic Engine͸Haptic FeedbackΛ࣮ݱ͢Δͨ
    Ίʹ౥ࡌ͞Ε͍ͯΔ
    • iOS10͔ΒUIKitʹTaptic EngineΛ੍ޚ͢ΔͨΊ
    ͷΫϥε (UIFeedbackGenerator) ͕௥Ճ͞Εͨ
    

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18. Agenda
    • What’s Taptic Engine
    • How To Use
    • When should I use Taptic Engine?
    • Summary
    

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19. How To Use
    • Taptic EngineΛ੍ޚ͢ΔͨΊͷΫϥε
    ‣ UIFeedbackGenerator
    ‣ UINotificationFeedbackGenerator
    ‣ UIImpactFeedbackGenerator
    ‣ UISelectionFeedbackGenerator
    

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20. UIFeedbackGenerator
    • ଞ̏ͭͷΫϥεͷϕʔεΫϥεͰ͋Γɺந৅Ϋ
    ϥεͰ΋͋Δ
    • ͜ͷΫϥεΛ௚઀ΠϯελϯεԽͨ͠Γɺ਌Ϋ
    ϥεͱͯ͠ΧελϜͰ࢖༻͢Δ͜ͱ͸ඇਪ঑ͱ
    ͳ͍ͬͯΔ
    

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21. UINotificationFeedbackGenerator
    • UIFeedbackGeneratorͷαϒΫϥε
    • ΞΫγϣϯͷ੒ޭɺࣦഊɺܯࠂΛ఻͑Δ৮֮Λੜ੒͢Δͨ
    ΊͷΫϥε
    • طఆͷಈ࡞γʔέϯεΛද͢ UINotificationFeedbackType
    Λࢦఆͯ͠ಈ͔ͤΔ
    

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22. How To Use
    let generator = UINotificationFeedbackGenerator()
    generator.prepare()
    generator.notificationOccurred(.error)
    1. GeneratorΛΠϯελϯεԽ͢Δ
    2. prepare() Λݺͼग़͢ (Φϓγϣϯ)
    3. notificationOccurred(UINotificationFeedbackType)ͰൃՐͤ͞Δ
    ͦΕͧΕͷৼಈͷҧ͍͸ҎԼͷ௨ΓͰ͢ɻ
    • error … τΡτΡτΡ ͱ͍͏ײ͡Ͱ3ճৼಈ
    • warning … τϯτϯ ͱ2ճৼಈ
    • success … τϯτϯ ͱ2ճৼಈ
    

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23. How To Use
    let generator = UINotificationFeedbackGenerator()
    generator.prepare()
    generator.notificationOccurred(.error)
    1. GeneratorΛΠϯελϯεԽ͢Δ
    2. prepare() Λݺͼग़͢ (Φϓγϣϯ)
    3. notificationOccurred(UINotificationFeedbackType)ͰൃՐͤ͞Δ
    ͦΕͧΕͷৼಈͷҧ͍͸ҎԼͷ௨ΓͰ͢ɻ
    • error … τΡτΡτΡ ͱ͍͏ײ͡Ͱ3ճৼಈ
    • warning … τϯτϯ ͱ2ճৼಈ
    • success … τϯτϯ ͱ2ճৼಈ
    ] େ͖ͳࠩ͸ແ͍͕ɺwarning ͸ʰΧϯΧϯʱͱߕߴ
    ͍ײ͡ͷ2ճৼಈɺsuccess ͸ʰά Χϯʱͱ͍͏ײ
    ͡Ͱ1ൃ໨ͷৼಈ͕ॏ͍ؾ͕͢Δ
    

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24. UIImpactFeedbackGenerator
    • UIFeedbackGeneratorͷαϒΫϥε
    • େɾதɾখͷ༳Εͷେ͖͞ͷҟͳΔ৮֮Λੜ੒͢ΔͨΊ
    ͷΫϥε
    • طఆͷಈ࡞γʔέϯεΛද͢ UIImpactFeedbackStyle Λ
    ࢦఆͯ͠ಈ͔ͤΔ
    

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25. How To Use
    let generator = UIImpactFeedbackGenerator(style: .light)
    generator.prepare()
    generator.impactOccurred()
    1. GeneratorΛ UIImpactFeedbackStyle ͔ΒΠϯελϯεԽ͢Δ
    2. prepare() Λݺͼग़͢ (Φϓγϣϯ)
    3. impactOccurred()ͰൃՐͤ͞Δ
    • lightͩͱؾ͔ͮ͘Ͳ͏͔ͷΪϦΪϦ͙Β͍ͰɺheavyͰ΋ઌ΄Ͳͷ
    warning΄ͲͰ͸ແ͍ؾ͕͢Δ
    

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26. UISelectionFeedbackGenerator
    • UIFeedbackGeneratorͷαϒΫϥε
    • બ୒ࢶͷมԽΛ఻͑Δ৮֮Λੜ੒͢ΔͨΊͷ
    Ϋϥε
    • ओʹUIPickerViewͳͲͷ࿈ଓతͳબ୒͕Մೳ
    ͳUIʹରͯ͠࢖༻͢Δ
    

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27. How To Use
    let generator = UISelectionFeedbackGenerator()
    generator.prepare()
    generator.selectionChanged()
    1. GeneratorΛΠϯελϯεԽ͢Δ
    2. prepare() Λݺͼग़͢ (Φϓγϣϯ)
    3. selectionChanged()ͰൃՐͤ͞Δ
    • ஋ͷมԽͷͨͼʹݺ͹ΕΔϝιου಺Ͱൃಈͤ͞Δ໨తͰ࢖༻͢Δ
    

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28. Tips
    • ϝΠϯεϨου಺Ͱ͔࣮͠ߦͰ͖ͳ͍
    ‣ αϒεϨουͰ࣮ߦ͠Α͏ͱ͢ΔͱԼهΤϥʔ͕ग़Δ

    

    • σϑΥϧτͰFeedback͕࣮૷͞Ε͍ͯΔඪ४UI΋͋Δ
    ‣ UIPickerView
    ‣ UIRefreshControl
    ‣ UISwitch ͳͲ
    • ը໘ऩ࿥த΍࿥Իத͸ൃՐ͞Εͳ͍
    [Feedback] trying to activate the feedback engine
    from a non-main thread, this is unsupported.
    

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29. ͜͜Ͱࢲ͸ࢥͬͨ
    

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30. ಉ࣌ʹͨ͘͞Μ࣮ߦ͢Ε͹ɺ
    ΑΓύϫϑϧͳ Feedback ΛൃੜͰ͖ΔͷͰ͸ʁ
    

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31. ΍ͬͯΈͨ
    

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32. Maximum Feedback
    let numberOfGenerators = 20 // ੜ੒਺
    var generators: [UIImpactFeedbackGenerator] = []
    // `generator`Λੜ੒
    for _ in 0..let generator = UIImpactFeedbackGenerator(style: .heavy)
    generator.prepare()
    generators.append(generator)
    }
    // ੜ੒ͨ͠`generator`Λ͢΂ͯൃՐ
    for generator in generators {
    generator.impactOccurred()
    }
    1. Generator Λੜ੒਺෼͚ͩੜ੒͠ɺ഑ྻʹ֨ೲ͢Δ
    2. ϧʔϓͰҰؾʹ഑ྻ಺ͷ͢΂ͯͷ Generator ΛൃՐͤ͞Δ
    

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33. 'FFECBDL5ZQF UIImpactFeedbackGenerator(style: .heavy)
    /VNCFSPG0DDVSSFE
    *NQBDU )FBWZ 7FSZ7FSZ)FBWZ
    ݁ՌɿΑΓڧ͘ͳͬͨ
    

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34. ͕͔ͩ͠͠
    

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35. Deprecated Tips
    • ಉ࣌ʹ࣮ߦ͢ΔͱɺΑΓύϫϑϧͳFeedbackΛੜ੒͢Δ͜ͱ
    ͸Մೳ
    • ੜ੒ͨ͠FeedbackΛಉ࣌ʹ࣮ߦͰ͖Δݸ਺͸20ݸ·Ͱ
    ‣ 21ݸҎ্ൃੜͤ͞Α͏ͱ͢ΔͱԼهΤϥʔ͕ग़ͯɺ21ݸ໨
    Ҏ߱ͷFeedback͸ൃՐ͞Εͳ͍

    • ಉ࣌ʹ࣮ߦͤ͗͢͞ΔͱɺTaptic Engine ͔Βίπϯͱ͍͏Ի
    ͕ฉ͑͜ΔϨϕϧͷিܸʹͳΓɺނোͷݪҼͱͳΓ͏ΔՄೳ
    ੑ͕͋ΔͨΊɺਖ਼௚͋·ΓΦεεϝͰ͖ͳ͍
    [Feedback] out of channels
    

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36. Agenda
    • What’s Taptic Engine
    • How To Use
    • When should I use Taptic Engine?
    • Summary
    

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37. When should I use Taptic Engine?
    • iOS Human Interface Guidelines ʹ Taptic Engine Λ
    ࢖ͬͨϑΟʔυόοΫΛ࣮૷͢Δ্Ͱͷ஫ҙ఺͕·ͱΊ
    ΒΕ͍ͯΔ
    • ͜͜Ͱ͍͏ϑΟʔυόοΫͱ͸ɺΞΫγϣϯͷ݁ՌΛ
    ϢʔβʔʹϑΟʔυόοΫ͢Δखஈͷ͜ͱΛࢦ͢
    • Ҏ߱͸ͦͷҙ༁ͱ࣮ࡍʹ࢖༻͞Ε͍ͯΔΞϓϦͷྫΛ·
    ͱΊͨ಺༰Ͱ͋Δ
    

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38. When should I use Taptic Engine?
    • Success.
    ‣ ೖۚ΍ղৣͳͲ͕੒ޭͨ͜͠ͱΛ఻͑ΔͨΊʹ࢖༻Ͱ͖·͢ɻ
    

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39. Success
    ex.ʣIn App Purchase
    • ΞϓϦ಺՝ۚͷTouch IDೝূ੒ޭ࣌ʹUINotificationFeedbackGenerator
    ͷ .success ΛൃՐͤ͞Δ͜ͱͰɺ՝͕ۚ੒ޭͨ͜͠ͱΛ఻͍͑ͯΔ
    

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40. Success
    ex.ʣIn App Purchase
    • ΞϓϦ಺՝ۚͷTouch IDೝূ੒ޭ࣌ʹUINotificationFeedbackGenerator
    ͷ .success ΛൃՐͤ͞Δ͜ͱͰɺ՝͕ۚ੒ޭͨ͜͠ͱΛ఻͍͑ͯΔ
    • ೝূࣦഊ࣌ʹ͸ͳ͔ͥී௨ͷόΠϒϨʔγϣϯΛൃՐ͍ͤͯ͞Δ

    ʢͳͥ .error Ͱ͸ͳ͍ͷ͔ ʣ
    

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41. When should I use Taptic Engine?
    • Success.
    ‣ ೖۚ΍ղৣͳͲ͕੒ޭͨ͜͠ͱΛ఻͑ΔͨΊʹ࢖༻Ͱ͖·͢ɻ
    • Use haptics judiciously.
    ‣ ϑΟʔυόοΫશମͷҙຯ͕ബΕͯ͠·͏ͷͰɺଟ༻͸ආ͚·͠ΐ͏ɻ
    

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42. When should I use Taptic Engine?
    • Success.
    ‣ ೖۚ΍ղৣͳͲ͕੒ޭͨ͜͠ͱΛ఻͑ΔͨΊʹ࢖༻Ͱ͖·͢ɻ
    • Use haptics judiciously.
    ‣ ϑΟʔυόοΫશମͷҙຯ͕ബΕͯ͠·͏ͷͰɺଟ༻͸ආ͚·͠ΐ͏ɻ
    • In general, provide haptic feedback in response to user-initiated actions.
    ‣ ϢʔβʔͷΞΫγϣϯʹ߹ΘͤͯϑΟʔυόοΫΛൃੜͤ͞·͠ΐ͏ɻ
    ೚ҙͷλΠϛϯάͰͷϑΟʔυόοΫ͸ҙࣝΛதஅͤ͞ɺޡղΛੜΈ·
    ͢ɻ
    

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43. When should I use Taptic Engine?
    • Don’t redefine feedback types.
    ‣ ϑΟʔυόοΫλΠϓ͸ҙਤͲ͓Γʹ࢖༻͍ͯͩ͘͠͞ɻλεΫ͕੒ޭ͠
    ͨ͜ͱΛϢʔβʔʹ௨஌͢Δʹ͸ɺ UINotificationFeedbackGenerator
    ͷ UINotificationFeedbackType.success Λ࢖༻͠ɺͦΕҎ֎ͷ΋ͷ͸࢖
    Θͳ͍Α͏ʹ͠·͠ΐ͏ɻ
    

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44. When should I use Taptic Engine?
    • Don’t redefine feedback types.
    ‣ ϑΟʔυόοΫλΠϓ͸ҙਤͲ͓Γʹ࢖༻͍ͯͩ͘͠͞ɻλεΫ͕੒ޭ͠
    ͨ͜ͱΛϢʔβʔʹ௨஌͢Δʹ͸ɺ UINotificationFeedbackGenerator
    ͷ UINotificationFeedbackType.success Λ࢖༻͠ɺͦΕҎ֎ͷ΋ͷ͸࢖
    Θͳ͍Α͏ʹ͠·͠ΐ͏ɻ
    • Fine tune your visual experience for haptics.
    ‣ ࢹ֮ͱ৮֮ͷϑΟʔυόοΫΛಉ࣌ʹൃੜͤ͞Δ͜ͱͰΞΫγϣϯͱ݁Ռ
    ͷΑΓਂ͍ͭͳ͕ΓΛఏڙ͠·͠ΐ͏ɻ
    

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45. With Visual Experience For Haptics
    ex.ʣYouTube
    • YouTubeΞϓϦͰ͸ਧ͖ग़͕͠දࣔ͞ΕΔࡍʹ
    UIImpactFeedbackGenerator ͷ .light Λಉ࣌ʹൃՐͤ͞Δ͜ͱͰɺࢹ֮
    ͱ৮֮ͷϑΟʔυόοΫΛಉ࣌ʹ࣮ݱ͍ͯ͠Δ
    

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46. When should I use Taptic Engine?
    • Don’t redefine feedback types.
    ‣ ϑΟʔυόοΫλΠϓ͸ҙਤͲ͓Γʹ࢖༻͍ͯͩ͘͠͞ɻλεΫ͕੒ޭ͠
    ͨ͜ͱΛϢʔβʔʹ௨஌͢Δʹ͸ɺ UINotificationFeedbackGenerator
    ͷ UINotificationFeedbackType.success Λ࢖༻͠ɺͦΕҎ֎ͷ΋ͷ͸࢖
    Θͳ͍Α͏ʹ͠·͠ΐ͏ɻ
    • Fine tune your visual experience for haptics.
    ‣ ࢹ֮ͱ৮֮ͷϑΟʔυόοΫΛಉ࣌ʹൃੜͤ͞Δ͜ͱͰΞΫγϣϯͱ݁Ռ
    ͷΑΓਂ͍ͭͳ͕ΓΛఏڙ͠·͠ΐ͏ɻ
    • Don’t rely on a single mode of communication.
    ‣ શͯͷ୺຤͕Haptic FeedbackΛαϙʔτ͍ͯ͠ΔΘ͚Ͱ͸ͳ͍ͷͰɺΞ
    Ϋγϣϯͷ݁ՌΛHaptic Feedback͚ͩʹͯ͠͸͍͚·ͤΜɻ
    

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47. When should I use Taptic Engine?
    • Use haptics when visual feedback may be occluded.
    ‣ ΦϒδΣΫτΛεΫϦʔϯ্ͷ৔ॴʹυϥοά͢Δͱ͖ͳͲ͸ɺ
    ࢦͰӅΕͯ͠·͍·͢ɻಛఆͷ৔ॴ΍஋ʹ౸ୡͨ͠ͱ͖ʹϢʔ
    βʔʹHaptic FeedbackͰ௨஌͢Δ͜ͱΛݕ౼͍ͯͩ͘͠͞ɻ
    

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48. When Reaching the "Edge"
    ex.ʣTwitter
    • TwitterΞϓϦͰ͸ը૾ͷϓϨϏϡʔը໘Ͱॖখɾ֦େͷ୺·Ͱ౸ୡͨ͠ͱ͖
    ʹ UIImpactFeedbackGenerator ͷ .light ΛൃՐ͍ͤͯ͞Δ
    • ඪ४ͷϝʔϧΞϓϦͰ͸ड৴ϘοΫεͰηϧΛࠨʹҾͬுͬͨ࣌ʹ̏ͭͷબ
    ୒ࢶ͕ݱΕɺͦͷ··ࠨʹҾͬுΓ੾ͬͯ୺·Ͱ౸ୡͨ͠ͱ͖ʹ
    UIImpactFeedbackGenerator ͷ .medium ΛൃՐ͍ͤͯ͞Δ
    ex.ʣඪ४ͷϝʔϧΞϓϦ
    

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49. When should I use Taptic Engine?
    • Use haptics when visual feedback may be occluded.
    ‣ ΦϒδΣΫτΛεΫϦʔϯ্ͷ৔ॴʹυϥοά͢Δͱ͖ͳͲ͸ɺ
    ࢦͰӅΕͯ͠·͍·͢ɻಛఆͷ৔ॴ΍஋ʹ౸ୡͨ͠ͱ͖ʹϢʔ
    βʔʹHaptic FeedbackͰ௨஌͢Δ͜ͱΛݕ౼͍ͯͩ͘͠͞ɻ
    • Synchronize haptics with accompanying sound.
    ‣ Haptic FeedbackͰ͸Ի͸ൃੜ͠·ͤΜɻHaptic Feedbackͱ
    ಉ࣌ʹԻ͕ඞཁͰ͋Ε͹ɺ֤ࣗͰԻ੠ಉظॲཧΛ࣮૷͢Δඞ
    ཁ͕͋Γ·͢ɻ
    

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50. Success With Sound Effect
    ex.ʣIn App Purchase
    • ΞϓϦ಺՝ۚͷTouch IDೝূ੒ޭ࣌ʹUINotificationFeedbackGenerator
    ͷ .success ΛൃՐͤ͞Δͱಉ࣌ʹߪೖ׬ྃͷԻΛ໐Β͢͜ͱͰɺ՝͕ۚ
    ੒ޭͨ͜͠ͱΛ఻͍͑ͯΔ
    ԻΛར༻͢Δ͜ͱͰɺϢʔβʔʹରͯ͠ૢ࡞ΠϝʔδΛ࣋ͨͤ΍͘͢ͳΔ
    

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51. Success With Sound Effect
    ex.ʣIn App Purchase
    • ΞϓϦ಺՝ۚͷTouch IDೝূ੒ޭ࣌ʹUINotificationFeedbackGenerator
    ͷ .success ΛൃՐͤ͞Δͱಉ࣌ʹߪೖ׬ྃͷԻΛ໐Β͢͜ͱͰɺ՝͕ۚ
    ੒ޭͨ͜͠ͱΛ఻͍͑ͯΔ
    • Ի΋ར༻͢Δ͜ͱͰɺϢʔβʔʹରͯ͠ૢ࡞ΠϝʔδΛ࣋ͨͤ΍͘͢ͳΔ
    ߪೖ׬ྃͷԻʹؔ͢ΔTwitterͷ൓Ԡ
    

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52. Agenda
    • What’s Taptic Engine
    • How To Use
    • When should I use Taptic Engine?
    • Summary
    

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53. Summary
    • Taptic Engine͸Haptic FeedbackΛ࣮ݱ͢ΔͨΊʹ౥ࡌ͞
    Ε͍ͯΔ
    • iOS10Ҏ্Ͱ͋Ε͹ɺUIFeedbackGeneratorΛ࢖༻͢Δ͜
    ͱͰHaptic FeedbackΛ࣮૷Ͱ͖Δ
    • ϑΟʔυόοΫ͸࢖͏΂͖Օॴ͚ͩʹ࢖༻͠ɺଟ༻͗ͯ͢͠
    ҙຯ͕ബΕͳ͍Α͏ʹ஫ҙ͢Δ
    • ΄ͲΑ͍FeedbackͰɺϫϯϥϯΫ্ͷϢʔβʔମݧΛ
    

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54. • cokaholic/TapticSampler

    https://github.com/cokaholic/TapticSampler
    

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55. Thank you for listeningʂ
    

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56. ࢀߟϦϯΫ
    • UIFeedbackGenerator - UIKit | Apple Developer Documentation

    https://developer.apple.com/documentation/uikit/uifeedbackgenerator
    • iPhone 7 Λೖखͨ͠ͷͰૣ଎ Taptic Engine ͷ API Λࢼͯ͠Έ·ͨ͠ -Qiita

    https://qiita.com/griffin_stewie/items/298f57ca3f1714ebe45c
    • [iOS 10] UIFeedbackGenerator Ͱ iPhone 7 ͷ Taptic Engine Λ੍ޚ͢Δ - Developers.IO

    https://dev.classmethod.jp/smartphone/iphone/ios-10-ui-feedback-generator/
    • UIFeedbackGeneratorͷ࢖͍ํͱศརʹ࢖͑ΔϥΠϒϥϦ - VASILY DEVELOPERS BLOG

    http://tech.vasily.jp/entry/ios_ui_feedbcak_generator
    • iPhone 7ͷTaptic Engine͕ࠓޙͷεϚϗΠϯλʔϑΣʔεΛม͑Δ͔΋ͷ࿩ - FICC
    Workbook

    http://ficc-workbook.tumblr.com/post/151637042116/iphone-7%E3%81%AEtaptic-
    engine%E3%81%8C%E4%BB%8A%E5%BE%8C%E3%81%AE%E3%82%B9%E3%83%9
    E%E3%83%9B%E3%82%A4%E3%83%B3%E3%82%BF%E3%83%BC%E3%83%95%E3
    %82%A7%E3%83%BC%E3%82%B9%E3%82%92%E5%A4%89%E3%81%88%E3%82%
    8B%E3%81%8B%E3%82%82%E3%81%AE%E8%A9%B1
    

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