音声ガイダンスを導入した話

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Ի੠ΨΠμϯεΛಋೖͨ͠࿩ Akerun & BONX Tech Talk Supported by ͘͞ΒΠϯλʔωοτ ʙIoTελʔτΞοϓΛࢧ͑ΔΤϯδχΞͷ༦΂ʙ @dealforest Toshihiro Morimoto #anbtechtalk 2016/04/26

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ࣗݾ঺հ

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Agenda • Ի੠ΨΠμϯεಋೖ/ܦҢ • ಡΈ্͛ػೳͷ࢖͍ํ • ϋϚϦͲ͜Ζ

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Ի੠ΨΠμϯεಋೖ/ܦҢ

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Ի੠ΨΠμϯεΛಋೖ͢ΔҎલ͸ SE Λ໐Β͍ͯ͠·ͨ͠

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͜ΕͰ͍͚Δͱࢥ͍ͬͯͨ࣌ظ͕ ๻ͨͪʹ͸͋Γ·ͨ͠

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ͱ͜Ζ͕ݱ࣮͸ݫ͔ͬͨ͠

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ςΟϩʔϯ㽈

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( ୭͔͕ݍ֎ʹͳͬͨ )

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ςΟϩʔϯ㽈

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( ୭͔͕ ೖࣨ / ୀࣨ ͨ͠ )

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;Δͬ;ʙ㽈

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( σόΠεͱ BLE ઀ଓཱ͕֬ͨ͠ )

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τΡϧʔϯ㽈

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( σόΠεͱ BLE ઀ଓ͕੾அͨ͠ )

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…

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SE ͚ͩͩͱதͷਓͰ͑͞ Կ͕ى͍ͬͯ͜Δ͔೺ѲͰ͖ͳ͔ͬͨ

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݁ہɺτʔΫը໘Λݟͳ͍ͱ Ͳ͏͍͏ঢ়گ͔ ೺Ѳ͢Δ͜ͱ͕Ͱ͖ͳ͔ͬͨ

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τʔΫը໘

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ͯ͞ʂʂʂ

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ઇࢁͰϘʔυΛ͍ͯ͠Δ࣌Λ ૝૾ͯ͠Έ·͠ΐ͏

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ઇࢁ͍͜͞ʔʔʔʔ \(^o^)/

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͋Εɺٸʹ൓Ԡ͕ͳ͘ͳͬͨʁ

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ͪͬ…

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άϩʔϒ֎ͯ͠

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ܞଳऔΓग़ͯ͠

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ϩοΫղআͯ͠

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τʔΫը໘Λ֬ೝ

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ঢ়گΛ೺Ѳ͍͚ͨͩ͠ͳͷʹ ͜ΕΛ܁Γฦ͞ͳ͍ͱ͍͚ͳ͍

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͜Ε͕౓ʑ͋Δͱ…

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ͭΒ͔͞͠ͳ͍

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Ի੠ΨΠμϯεΛಋೖ͢Δ͜ͱͰ ͋Δఔ౓վળ͞Ε·ͨ͠

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͜Ε͔ΒԻ੠ΨΠμϯεΛ ࣮૷ͨ͠஌ݟΛڞ༗͍͖ͯ͠·͢

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Ͱ͸࣮ࡍʹ BONX Ͱ͸ ͲͷΑ͏ͳγʔϯʹྲྀΕΔͷ͔ Έ͍͖ͯ·͠ΐ͏

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ࣗ෼ͷঢ়ଶΛಡΈ্͛Δ • ϛϡʔτʹ੾Γସ͑ͨ • ి೾؀ڥ͕ѱ͘ͳͬͨ • ࣗಈ࠶ೖࣨॲཧΛߦ͍ͬͯΔ • (ϧʔϜʹೖୀࣨͨ͠)

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ଞϝϯόʔͷঢ়ଶΛಡΈ্͛Δ • ϧʔϜʹೖୀࣨͨ͠ • ϛϡʔτʹ੾Γସ͑ͨ • ి೾؀ڥ͕ѱ͘ͳͬͨ

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ಡΈ্͛ػೳͷ࢖͍ํ

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ಡΈ্͛ػೳͷ࢖͍ํ import AVFoundation let text = “iOS ΤϯδχΞืूதʂʂ” let utterance = AVSpeechUtterance(string: text) AVSpeechSynthesizer().speakUtterance(utterance)

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؆୯Ͱ͢Ͷ

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ઃఆ͢Δͱ͖͸ Analytics ͷ Event Λ ઃఆ͢Δͷͱಉ͡Α͏ͳײ͡Ͱ͢

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ઃܭϒϨΠΧʔʹͳΓ΍͍͢ͷͰ Ͳ͜Ͱ໐Β͔͢ΛܾΊΔ࣌ʹ͸ Ұॹʹ࿩͋ͬͨ͠ํ͕͍͍Ͱ͢

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ϋϚϦͲ͜Ζ

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ϋϚϦͲ͜Ζ • iOS ͷόʔδϣϯ, ݴޠઃఆʹΑͬͯ࠶ੜ ଎౓͕ҟͳΔ • ݴޠઃఆʹΑͬͯ࠶ੜ͞Εͳ͍ςΩετ ͕͋Δ • μοΩϯά͕ൃੜ͢Δ • SpringBoard ͰΫϥογϡ͢Δͱ͖͕͋Δ

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iOS ͷόʔδϣϯ, ݴޠઃఆʹΑͬͯ࠶ੜ଎౓͕ҟͳΔ AVSpeechUtteranceDefaultSpeechRate Λઃఆ͍ͯͯ͠΋ iOS ͷόʔδϣϯɺ୺຤ͷݴޠઃఆʹΑͬͯ ςΩετͷಡΈ্͛଎౓͕ҟͳΔ utterance.rate = AVSpeechUtteranceDefaultSpeechRate ͜Εͩͱ iOS8 Ͱ࠶ੜͨ͠৔߹ʹ࠶ੜ଎౓͕஗͍ʂ

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AVSpeechUtteranceDefaultSpeechRate ͷ஋͸Ͳͷ؀ڥͰ΋ಉ͡ ࢓ํ͕ͳ͍ͷͰόʔδϣϯɺݴޠຖͰ࠶ੜ଎౓Λม͍͑ͯΔ [iOS9] utterance.rate = AVSpeechUtteranceDefaultSpeechRate [iOS8 - ೔ຊޠ] utterance.rate = AVSpeechUtteranceDefaultSpeechRate * 0.3 [iOS8 - ӳޠ] utterance.rate = AVSpeechUtteranceDefaultSpeechRate * 0.5 iOS ͷόʔδϣϯ, ݴޠઃఆʹΑͬͯ࠶ੜ଎౓͕ҟͳΔ

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ݴޠઃఆʹΑͬͯ࠶ੜ͞Εͳ͍ςΩετ͕͋Δ • BONX Ͱ͸೔ຊޠ / ӳޠΛαϙʔτ • ݴޠઃఆ͕ӳޠͩͱϚϧνόΠτͷจࣈྻΛ౉͢ͱɹɹɹ Կ΋ಡΈ্͛ΒΕͳ͍ ASCII Ҏ֎ͷจࣈྻؚ͕·ΕΔ৔߹ someone Ͱ୅ସ͠ ͍ͯΔ • ಡΈ্͛ݴޠ෼ͷ ͔ͳ Λࣄલʹͱ͓͔ͬͯͳ͍ͱਖ਼֬ʹ ಡΈ্͛Δ͜ͱ͸ෆՄೳ ׽ࣈΛͲͷΑ͏ʹಡΈ্͛ΒΕΔ͔͸ Apple ͞Μ࣍ୈ

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μοΩϯά͕ൃੜ͢Δ μοΩϯάͱ͸… ԻָΛௌ͍ͯΔ࣌ʹ push ௨஌͕དྷͨࡍʹ Ұఆ࣌ؒԻָͷϘϦϡʔϜ͕খ͘͞ͳΔ͜ͱ

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μοΩϯά͕ൃੜ͢Δ • AVAudioPlayer ͰԿ͔Λ࠶ੜ͍ͯ͠Δ৔߹ʹɺಡΈ্͛ػೳ Λ࢖͏ͱࣗಈతʹ ducking ͞ΕΔ (ڧ੍) • ղܾࡦͱͯ͠͸ಡΈ্͛ػೳΛ࢖͏ࡍʹ 0.1 ඵશͯͷ AVAudioPlayer ͷ࠶ੜΛࢭΊΔ͜ͱͰճආͰ͖Δ

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SpringBoard ͰΫϥογϡ͢Δͱ͖͕͋Δ AXSpeechManager ͷॳظԽͰΫϥογϡ͢Δ ݁ہݪҼ͕Θ͔Βͣ୺຤Λ޻৔ग़ՙঢ়ଶʹɹ ໭ͤ͹Ϋϥογϡ͠ͳ͘ͳͬͨ Crash in CFStringConvertNSStringEncodingToEncoding https://forums.developer.apple.com/message/17681

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ઃఆ → Ұൠ → ΞΫηγϏϦςΟ → VoiceOver → εϐʔν DL ͢Ε͹ߴ඼࣭ͷԻ੠Λ໐Β͢͜ͱ΋Ͱ͖·͢ ͓·͚

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·ͱΊ ͋·Γࣄྫ͕ͳ͍ͷͰ ϋϚΓॴ͸ͦΕͳΓʹ͋Γ·ͨ͠

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·ͱΊ ͨͩ BONX Ͱ͸ಋೖͨ͜͠ͱʹΑΓ ؒҧ͍ͳ͘UX͸վળ͞Ε·ͨ͠

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·ͱΊ IoT σόΠεͱ͸૬ੑ͕ྑ͍ͱࢥ͏ͷͰ ಉ͡Α͏ͳ೰Έͷॿ͚ͱͳΕ͹޾͍Ͱ͢