詳解 Core NFC - NFC を用いた iOS App 開発のてびき / Demystify Core NFC - A guide to iOS App Dev using NFC

Copyright © 2022 treastrain / Tanaka RyogaɹAll rights reserved.
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iOSDC Japan 2022
Day 1
#iosdc #b

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Copyright © 2022 treastrain / Tanaka RyogaɹAll rights reserved. 4
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ࣗಈंͷ伴ɹɹӡస໔ڐূɹɹϨϯλϧࣗసंɹɹΫϨδοτΧʔυɹɹ஫ࣹث
ϋʔυ΢ΣΞηΩϡϦςΟτʔΫϯɹɹεϚʔτΧʔυɹɹ঎඼ɾࡏݿ؅ཧλά
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εϚʔτϑΥϯɹɹࣗಈվࡳػɹɹݸਓ൪߸ʢϚΠφϯόʔʣΧʔυɹɹFUD
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/'$
/FBS'JFME$PNNVOJDBUJPOʢۙڑ཭ແઢ௨৴ʣ
w ʮϞϊͱϞϊΛ͚ۙͮͯ৘ใΛ΍ΓऔΓ͢ΔΞϨʯ
w ඇ઀৮Ͱ৘ใΛ΍ΓऔΓͰ͖Δ
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/'$'PSVNIUUQTOGDGPSVNPSH

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/'$ͷʮͭͷϞʔυʯ
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ΤϛϡϨʔγϣϯ
Ϧʔμʔɾ
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/'$5FDIOPMPHZ/'$'PSVNIUUQTOGDGPSVNPSHMFBSOOGDUFDIOPMPHZΛݩʹ࡞੒

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/'$ͷʮͭͷϞʔυʯ
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ηΩϡΞΤϨϝϯτํࣜΧʔυΤϛϡϨʔγϣϯ
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/'$ٕज़֓ཁ
w 3'*%ͷҰछ
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w ిྗ఻ૹɹɹ࠷େ8ʢϫΠϠϨεॆిϞʔυʣ
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/'$ #MVFUPPUI
23ίʔυ
όʔίʔυ
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FUD

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#MVFUPPUIWT/'$
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w #MVFUPPUI
w ௨৴଎౓͕଎͍
w ௨৴Մೳͳ෺ཧతڑ཭͕௕͍
w /'$
w ࣄલͷϖΞϦϯά࡞ۀ͕ෆཁ
w ௨৴࣌ͷফඅిྗ͕ང͔ʹগͳ͍
w গ͠ԕ͚͟Δͱ઀ଓ͕੾ΕΔ

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23ίʔυɾόʔίʔυWT/'$
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w 23ίʔυɾόʔίʔυ
w ҹ࡮͢Δ͚ͩͰ࢖͑Δ
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w ϐϯτɾ໌Δ͞ɾःṭ෺ͷআڈ
w ҹ࡮෺ͷσβΠϯΛ્֐
w /'$
w ͚ۙͮΕ͹௨৴Ͱ͖Δ
w ؒʹଟগͷ΋ͷ͕ࡏͬͯ΋Α͍
w ৘ใͷมߋ͕Մೳ
w ௨৴ͷͨΊͷ෦඼
ʢίΠϧɾΞϯςφʣ͕ඞཁ

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J04"QQʹ͓͚Δ/'$͕࢖ΘΕ͍ͯΔ৔໘
w "QQMF1BZʢίϯλΫτϨεܾࡁʣ
w 8BMMFUʹ௥Ճͨ͠ंͷ伴΍ϗςϧͷ෦԰ͷ伴Λ࢖͏
w "QQ$MJQίʔυ
w F,:$ɾຊਓ֬ೝ
w ిࢠϚωʔʢ෺ཧΧʔυʣͷ࢒ߴɾར༻ཤྺΛ֬ೝ
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ࣗ෼͕͜ΕΛ࢖ͬͯ
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ࣗ෼͕͜ΕΛ࢖ͬͯ
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΋͍ͬͨͳ͍ʂ

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/'$Λ࢖ͬͯԿ͔࡞Ζ͏ʂ
w ʢ/'$ͷͨΊ͚ͩͷ෦඼ʢΞϯςφͳͲʣ͕ೖ͍ͬͯΔඞཁ͕͋ΔͷͰʣ
ίετ͕͔͔Δ
w ࠓ͜͜ʹ͍ΔΈͳ͞Μ͕
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w ௨৴૬खͱͳΔΧʔυɾλάྨ΋ຕ͸͓ࡒ෍ʹೖ͍ͬͯΔʢ͸ͣʜʜʂʣ
w ௥Ճίετ͸͔͔Βͳ͍ʂ
w ࣗ෼͕͍࣋ͬͯΔϞϊͷத਎Λ೷͍ͯΈͨ͋͘Γ·ͤΜ͔ʁ
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/'$͸ࠃࡍن֨ͰΦʔϓϯ
w *40*&$ʢ/'$*1ʣ
w *40*&$ʢ/'$*1ʣ
ɹʹɹ/'$*1ɹʴɹ*40*&$ɹʴɹ*40*&$
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͔ͭͷ/'$ΞϓϦέʔγϣϯ͕ެ։͞Ε͍ͯ·͢ɻ
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$PSF/'$ͷର৅
w $PSF/'$Λ࢖͑Δͷ͸J04Ҏ߱
w NBD04ɾUW04ɾXBUDI04Ͱ͸࢖༻Ͱ͖ͳ͍
w J04Ҏ͔߱ͭ/'$ΞϯςφΛੵΜͩJ1IPOFͷΈ
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/'$ΞϯςφΛ౥ࡌͨ͠J1IPOF
w J1IPOFɾ1MVT
w J1IPOFTɾT1MVT
w J1IPOFɾ1MVT
w J1IPOFɾ1MVT
w J1IPOF9
w J1IPOF9㸑ɾ9Tɾ9T.BY
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w J1IPOFɾ1SPɾ1SP.BY
w J1IPOF4&ʢୈੈ୅ʣ
w J1IPOFNJOJɾɾ1SPɾ1SP.BY
w J1IPOFɾ1MVTɾ1SPɾ1SP.BY

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/'$ΞϯςφΛ౥ࡌ͍ͯ͠ΔJ1IPOF

$PSF/'$ͷػೳΛ࢖͑ΔJ1IPOF

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$PSF/'$ͷػೳΛ࢖͑ΔJ1IPOF
w J1IPOFɾ1MVT
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w J1IPOFɾ1MVT
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w J1IPOF9
w J1IPOF9㸑ɾ9Tɾ9T.BY
39
w J1IPOFɾ1SPɾ1SP.BY
w J1IPOFɾ1MVTɾ1SPɾ1SP.BY

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σόΠεػೳͷཁ݅αϙʔτ"QQMF%FWFMPQFSIUUQTEFWFMPQFSBQQMFDPNKQTVQQPSUSFRVJSFEEFWJDFDBQBCJMJUJFT

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/'$Λ༻͍ͨ
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λάσόΠεʢ/'$λάʣ
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/'$λά

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$PSF/'$Ͱ
Ͱ͖Δ͜ͱɾͰ͖ͳ͍͜ͱ
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/'$ͷʮͭͷϞʔυʯ
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Χʔυ
ΤϛϡϨʔγϣϯ
Ϧʔμʔɾ
ϥΠλʔ

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/'$ͷʮͭͷϞʔυʯͱϑϨʔϜϫʔΫ
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Χʔυ
ΤϛϡϨʔγϣϯ
Ϧʔμʔɾ
ϥΠλʔ
$PSF/'$
1SPYJNJUZ3FBEFS
1BTT,JU 8BMMFU
ͳ͠ ͳ͠

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$PSF/'$ͰͰ͖Δ͜ͱ
w /'$λά͔Β/%&'ͷσʔλΛಡΈऔΔʢJ04ʣ
w "QQ͕όοΫάϥ΢ϯυঢ়ଶͰ/'$λά͔Β/%&'ͷσʔλΛಡΈऔΔ
ʢJ04ɺͨͩ͠J1IPOFɾ1MVTɾɾ1MVTɾ9͸ඇରԠʣ
w /'$λά΁/%&'ͷσʔλΛॻ͖ࠐΉʢJ04ʣ
w /'$λάʹಠࣗϑΥʔϚοτͷσʔλΛಡΈॻ͖͢ΔʢJ04ʣ
w 1"$&ʢ伴ڞ༗ར༻ΞΫηε੍ޚʣΛαϙʔτ͍ͯ͠Δλάͷݕग़ʢJ04ʣ
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$PSF/'$ͰͰ͖ͳ͍͜ͱ
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Χʔυ
ΤϛϡϨʔγϣϯ
Ϧʔμʔɾ
ϥΠλʔ
$PSF/'$
1SPYJNJUZ3FBEFS
1BTT,JU 8BMMFU

w Χʔυͷʮ;ΓʯΛ͢Δʢ1BTT,JUʣ
w 8BMMFUɾ"QQMF1BZͷಛݖ
w ʢΧʔυΛ͔ͯ͟͠ʣࢧ෷͍Λ
ड͚෇͚Δʢ1SPYJNJUZ3FBEFSʣ
w l5BQUP1BZzͰ͔͠࢖͑ͳ͍

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ࣄલʹܾΊ͓ͯ͘͜ͱ
ࣄલʹௐ͓ࠪͯ͘͜͠ͱ
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औΓѻ͏/'$λά
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/'$λάͷதͷσʔλܗࣜΛ
ࣗ෼ͰܾΊΔ
/'$λάͷதͷσʔλܗࣜ͸
طʹܾΊΒΕ͍ͯΔ

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/'$λάͷதͷσʔλܗࣜΛࣗ෼ͰܾΊΒΕΔ৔߹
w σʔλܗࣜ͸ʮ/%&'ʯ͕͓͢͢Ί
w /%&'ʢ/'$%BUB&YDIBOHF'PSNBUʣ
w /'$'PSVN͕ࡦఆ
w J04ɾ$PSF/'$Ͱ͸/%&'͸ಛผ଴۰
w "QQ͕ϑΥΞάϥ΢ϯυঢ়ଶ͡Όͳͯ͘΋ಡΈऔΕΔ
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/'$λάͷதͷσʔλܗࣜΛࣗ෼ͰܾΊΒΕΔ৔߹
w /'$λάͷʮछྨʯʢҰ෦ʣ
w 5ZQF5BHʢ*40*&$ɹ.*'"3&6MUSBMJHIUʣ
w 5ZQF5BHʢ*40*&$ɹ+*49ɹ'FMJ$Bʣ
w 5ZQF5BHʢ*40*&$ɹ%&4'JSFʣ
w 5ZQF5BHʢ*40*&$ʣ
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/'$5FDIOPMPHZIUUQTOGDGPSVNPSHMFBSOOGDUFDIOPMPHZ

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/'$λάͷதͷσʔλܗ͕ࣜطʹܾ·͍ͬͯΔ৔߹
w όΠφϦܗࣜʢData΍[Data]ʣͰ৘ใΛ΍ΓऔΓ͢Δ
ʢύʔε΋ࣗ෼Ͱߦ͏ʣ
w ༻͍Δ͜ͱʹͳΔʮ௨৴ٕज़ʢϓϩτίϧʣʯ͸Կ͔ʁ
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/'$λάͷதͷσʔλܗ͕ࣜطʹܾ·͍ͬͯΔ৔߹
w ௨৴ٕज़ʢϓϩτίϧʣ
w /'$"ʢ*40*&$ʣ
w /'$#ʢ*40*&$ʣ
w /'$'ʢ*40*&$ʣ
w /'$7ʢ*40*&$ʣ
54

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"QQMFr4FQUFNCFS&WFOU:PV5VCFIUUQTXXXZPVUVCFDPNXBUDI W/4UYV@,[M

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೥݄೔ࡱӨ

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೥݄೔ࡱӨ
૯຿লࢦఆ.*$,4

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4VJDB΍1"4.0Λ"QQMF΢ΥϨοτʹ௥Ճ͢Δ"QQMFαϙʔτ ೔ຊ

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4VJDB΍1"4.0Λ"QQMF΢ΥϨοτʹ௥Ճ͢Δ"QQMFαϙʔτ ೔ຊ
J1IPOFͷ/'$͸୺຤ͷ্ଆʂ
എ໘ͷ"QQMFϩΰͷ෦෼Ͱ͸͋Γ·ͤΜ

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$BQBCJMJUZΛ௥Ճ
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ίʔσΟϯά
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࣮૷ͷྲྀΕ
w εΩϟϯͷͨΊͷηογϣϯΛ࡞Δ
w ηογϣϯΛ։࢝͢Δ
ʢJ04ଆͰΞΫγϣϯγʔτ͕දࣔ͞ΕΔʣ
w λάͷݕ஌ΛσϦήʔτͰड͚औΔ
w ಡΈॻ͖Λߦ͏
w ηογϣϯΛऴྃ͢Δ
68

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εΩϟϯͷͨΊͷηογϣϯΛ࡞Δ
w NFCNDEFReaderSession
w NFCTagReaderSession
w NFCVASReaderSession
69

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70

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ηογϣϯΛ࡞Δ
/%&'ܗࣜͷ৔߹
71
import CoreNFC
class MyNDEFReaderWriter {
var session: NFCNDEFReaderSession?
func beginScanning() {
guard NFCNDEFReaderSession.readingAvailable else { return }
}
}

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ηογϣϯΛ࡞Δ
/%&'ܗࣜͷ৔߹
72
import CoreNFC
session = NFCNDEFReaderSession(
delegate: self,
queue: nil,
invalidateAfterFirstRead: false
)
}
}

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ηογϣϯΛ࡞Δ
/%&'ܗࣜͷ৔߹
73
import CoreNFC
delegate: self,
queue: nil,
)
session?.alertMessage = "Place the tag on a flat surface
(avoid metallic surfaces) and rest you iPhone on the tag.”
}
}

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ηογϣϯΛ࡞Δ
/%&'ܗࣜͷ৔߹
74
import CoreNFC
delegate: self,
queue: nil,
)
(avoid metallic surfaces) and rest you iPhone on the tag."
session?.begin()
}
}

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σϦήʔτϝιουͰड͚औΔ
/%&'ܗࣜͷ৔߹
75
extension MyNDEFReaderWriter: NFCNDEFReaderSessionDelegate {
func readerSession(_ session: NFCNDEFReaderSession,
didDetectNDEFs messages: [NFCNDEFMessage]) {
// ...
}
didDetect tags: [NFCNDEFTag]) {
// ...
}
}

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/%&'ܗࣜͷ৔߹
76
let message = messages.first!
// print(message.records)
}
// ...
}
}

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/%&'ܗࣜͷ৔߹
77
let message = messages.first!
}
// ...
}
}

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/%&'ܗࣜͷ৔߹
78
func readerSession(_ session: NFCNDEFReaderSession, didDetect tags: [NFCNDEFTag]) {
Task {
let tag = tags.first!
try await session.connect(to: tag)
// ಡΈऔΓ
let message = try await tag.readNDEF()
// ॻ͖ࠐΈ
let ndefMessage: NFCNDEFMessage = // ..
try await tag.writeNDEF(ndefMessage)
// ऴΘͬͨΒ
session.alertMessage = "Done!"
session.invalidate()
// ࣦഊͨ͠Β
// session.invalidate(errorMessage: "Error!")
}
}
}

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/%&'ܗࣜͷ৔߹
79
Task {
// ಡΈऔΓ
// ॻ͖ࠐΈ
// ऴΘͬͨΒ
// ࣦഊͨ͠Β
}
}
}

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/%&'ܗࣜͷ৔߹
80
Task {
// ಡΈऔΓ
// ॻ͖ࠐΈ
// ऴΘͬͨΒ
// ࣦഊͨ͠Β
}
}
}

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81

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ηογϣϯΛ࡞Δ
/%&'ܗࣜͰ͸ͳ͍σʔλͷ৔߹
82
import CoreNFC
class MyTagReaderWriter: NSObject {
var session: NFCTagReaderSession?
guard NFCTagReaderSession.readingAvailable else { return }
let pollingOption: NFCTagReaderSession.PollingOption = [
.iso14443, // Type 2 Tag, Type 4 Tag (ISO/IEC 14443) (MIFARE) …etc.
.iso18092, // Type 3 Tag (ISO/IEC 18092, JIS X 6319-4) (FeliCa)
.iso15693, // Type 5 Tag (ISO/IEC 15693)
]
session = NFCTagReaderSession(pollingOption: pollingOption,
delegate: self, queue: nil)
session?.begin()
}
}

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ηογϣϯΛ࡞Δ
83
import CoreNFC
.iso14443, // Type 2 Tag, Type 4 Tag (ISO/IEC 14443) (MIFARE) ...etc.
]
session?.begin()
}
}

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ηογϣϯΛ࡞Δ
84
import CoreNFC
]
session?.begin()
}
}

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ηογϣϯΛ࡞Δ
85
import CoreNFC
]
session?.begin()
}
}

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86
extension MyTagReaderWriter: NFCTagReaderSessionDelegate {
func tagReaderSession(_ session: NFCTagReaderSession,
didDetect tags: [NFCTag]) {
Task {
// ...
}
}
// ...
}

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87
func tagReaderSession(_ session: NFCTagReaderSession,
didDetect tags: [NFCTag]) {
Task {
// ...
}
}
// ...
}

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88
func tagReaderSession(_ session: NFCTagReaderSession, didDetect tags: [NFCTag]) {
Task {
switch tag {
case .feliCa(let feliCaTag): // Type 3 Tag (FeliCa)
try await tagReader(session: session, didConnect: feliCaTag)
case .iso7816(let iso7816Tag): // ISO/IEC 7816 ʹରԠͨ͠ Type 2 TagɺType 4 Tag ͳͲ
try await tagReader(session: session, didConnect: iso7816Tag)
case .iso15693(let iso15693Tag): // Type 5 Tag
case .miFare(let miFareTag): // Type 2 TagɺType 4 Tag (MIFARE)
try await tagReader(session: session, didConnect: miFareTag)
}
}
}
// ...
}

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89
Task {
switch tag {
}
}
}
// ...
}

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'FMJ$B
w ೔ຊ
w ަ௨ܥ*$Χʔυ
w ͓ళͰ࢖͑ΔిࢠϚωʔ
w ߳ߓɾΠϯυωγΞͳͲΞδΞݍͰ࢖ΘΕ͍ͯΔ
90
ιχʔגࣜձࣾc'FMJ$Bc๏ਓͷ͓٬༷cಋೖࣄྫIUUQTXXXTPOZDPKQ1SPEVDUTGFMJDBCVTJOFTTDBTFTUVEZ

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'FMJ$B
w ෳ਺ͷʮγεςϜʯΛ࣋ͭ͜ͱ͕Ͱ͖Δ
w ຕͷ෺ཧλάͷதʹෳ਺ͷػೳΛ࣋ͯΔ
w γεςϜΛ۠ผ͢ΔͨΊͷʮγεςϜίʔυʯ
91

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'FMJ$Bͷதͷσʔλߏ଄
ͬ͘͟Γͱͨ͠Πϝʔδ
92
'FMJ$BΤϦΞͳͲͷ֓೦Λলུ
w γεςϜίʔυ
αʔϏείʔυ
ϒϩοΫ
w γεςϜίʔυΛબ୒ʢ1PMMJOHʣ͠ɺ
αʔϏεΛ༻͍ͯϒϩοΫʹΞΫηε
w ϒϩοΫ͋ͨΓόΠτ
w Y'$ʢγεςϜίʔυʣ
w YʢαʔϏείʔυʣ
w YʢϒϩοΫʣ
w YʢϒϩοΫʣ
w YʢαʔϏείʔυʣ
w YʢϒϩοΫʣ
w YʢϒϩοΫʣ
w ộ

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'FMJ$BγεςϜίʔυΛ*OGPQMJTUʹྻڍ
w J04"QQͰ࢖͏'FMJ$BγεςϜίʔυΛ*OGPQMJTUʹྻڍ͓ͯ͘͠
w ϫΠϧυΧʔυʢ͢΂ͯͷ'FMJ$BγεςϜίʔυΛ࢖͏ʣ͸ෆՄ
93

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'FMJ$BγεςϜίʔυΛ*OGPQMJTUʹྻڍ
94

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95
Task {
switch tag {
}
}
}
// ...
}

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95
Task {
switch tag {
}
}
}
// ...
}
*OGPQMJTUʹॻ͍ͨ
γεςϜίʔυ

Y""""
Y####
'FMJ$Bλά͕͍࣋ͬͯΔ
γεςϜίʔυ

Y%%%%
Y&&&&

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95
Task {
switch tag {
}
}
}
// ...
}
*OGPQMJTUʹॻ͍ͨ
γεςϜίʔυ

Y""""
Y####
'FMJ$Bλά͕͍࣋ͬͯΔ
γεςϜίʔυ

Y%%%%
Y&&&&
$PSF/'$ͷ
ͲͷσϦήʔτϝιου΋
ݺ͹Εͳ͍

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/%&'ܗࣜͰ͸ͳ͍σʔλͷ৔߹ʢ'FMJ$Bʣ
96
extension MyTagReaderWriter {
func tagReader(session: NFCTagReaderSession,
didConnect feliCaTag: NFCFeliCaTag) async throws {
let mode = try await feliCaTag.requestResponse()
// ...
}
}

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97
Task {
switch tag {
}
}
}
// ...
}

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*40*&$
w ΫϨδοτΧʔυ
w ύεϙʔτɾ਎෼ূ໌ূ
98

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*40*&$
w "QQMJDBUJPO1SPUPDPM%BUB6OJUʢ"1%6ʣ
w λά্ͷΞϓϦέʔγϣϯͷࣝผࢠɹ"*%
w J04"QQͰ࢖͏"*%Λ*OGPQMJTUʹྻڍ͓ͯ͘͠
99

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"*%Λ*OGPQMJTUʹྻڍ
100
ܾࡁؔ࿈ͷ"*%͸ࢦఆͰ͖ͳ͍

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101
Task {
switch tag {
}
}
}
// ...
}

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101
Task {
switch tag {
}
}
}
// ...
}
*OGPQMJTUʹॻ͍ͨ
"*%

%
/'$λά͕͍࣋ͬͯΔ
"*%

%

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101
Task {
switch tag {
}
}
}
// ...
}
*OGPQMJTUʹॻ͍ͨ
"*%

%
/'$λά͕͍࣋ͬͯΔ
"*%

%
$PSF/'$ͷ
ͲͷσϦήʔτϝιου΋
ݺ͹Εͳ͍

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/%&'ܗࣜͰ͸ͳ͍σʔλͷ৔߹ʢ*40ʣ
102
extension MyTagReaderWriter {
func tagReader(session: NFCTagReaderSession,
didConnect iso7816Tag: NFCISO7816Tag) async throws {
let apdu = NFCISO7816APDU(instructionClass: 0x00, instructionCode: 0xB0,
p1Parameter: 0x00, p2Parameter: 0x00,
data: Data(), expectedResponseLength: 16)
let (response, sw1, sw2) = try await iso7816Tag.sendCommand(apdu: apdu)
// ...
session.alertMessage = “Done!"
}
}

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103
Task {
switch tag {
}
}
}
// ...
}

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$PSF/'$Λ࢖ͬͨ։ൃͷϙΠϯτ
w /'$λάʹΑͬͯ͸
ಡΈऔΓࣦഊ͕ଓ͘ͱϩοΫ͞Εͯ͠·͏΋ͷ͕͋Δ
w ϩοΫ݊໘ͷݟͨ໨͕มΘΔ͜ͱ͸ͳ͍ʢҹ࡮ͳͷͰʣ
w ͨͩͦΕΛ/'$Λհͨ͠ػցͰಡΈऔΔ͜ͱ͕Ͱ͖ͳ͘ͳΔ
w ࣮ߦ͸৻ॏʹ
104

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w $PSF/'$ͷ௨৴ηογϣϯ͸࠷େඵͷ੍࣌ؒݶ͕͋Δ
105

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w #SFBLQPJOUΛࠩͯ͠σόοά͸͓͢͢Ί͠ͳ͍
w Ұ࣌ఀࢭத΋͜ͷʮ࠷େඵͷ੍࣌ؒݶʯ͸ଘࡏ͍ͯ͠Δ
w QSJOUʹΑΔσόοά͕͓͢͢Ί
106

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$PSF/'$ͷ͕ͭ͜͜Β͍
w J04ʹ͓͚ΔαʔυύʔςΟ"QQ޲͚ͷ/'$ͷ࢓༷͸ɺ"OESPJEͱൺֱ
͢Δͱେ੍͖͘ݶ͞Ε͍ͯΔ
w 'FMJ$BγεςϜίʔυ΍"*%Λ͋Β͔͡Ί੩తʹࢦఆ͓ͯ͘͠ඞཁ
w λάΛ͔͔ͯ͟͠ΒσϦήʔτϝιουʹ
ͦͷ৘ใ͕౉ͬͯ͘Δ·Ͱʹ͕͔͔࣌ؒΔύλʔϯ͕͋Δ
107

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σϦήʔτϝιουʹͳ͔ͳ͔৘ใ͕͜ͳ͍
'FMJ$Bͷྫ
w Y'&ͱ͍͏γεςϜίʔυͷΈΛ࣋ͬͨλά
w Y'&Λʮ*UFNʯͷ࠷ޙʹهड़
w ͦΕΑΓ΋લʹʮ*UFNʯΛ૿΍͍ͯ͘͠
108

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'FMJ$B͕஗͍͠ϑϧεΩϟϯ΋ෆՄೳޙฤʲJ04$PSF/'$ʳ2JJUBIUUQTRJJUBDPNUSFBTUSBJOJUFNTGCD

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w /'$ͷڍಈ͕ෆ҆ఆͳJ1IPOFͷػछ͕͋Δͱ͍͏੠΋
w J1IPOFγϦʔζʜʁ
110

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w ґવͱͯ͠৘ใ͕গͳ͍
w ʮࣗ෼ͷ࣮૷ʯʮ$PSF/'$ʯͷͲ͕ͬͪѱ͍ͷ͔ෆ໌ͳͱ͖͕͋Δ
w ݕূ༻ʹ/'$ʢ'FMJ$BʣΛੵΜͩ"OESPJE୺຤Λ͓࣋ͬͯ͘ͱָ
w ΋͘͠͸8JOEPXT1$/'$ϦʔμʔϥΠλʔ
w /'$ͷίϚϯυ࢓༷ࣗମ͸ͲͷϓϥοτϑΥʔϜͰ΋ڞ௨
w "OESPJEͷίʔυʢ+BWBɾ,PUMJOʣ΋ൺֱతࢀߟʹͳΔ
111

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112

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͓·͚
/'$͸୺຤ͱϦΞϧͷੜ׆Λ݁ͼ͚ͭΔຐ๏ͷΑ͏ͳ΋ͷ
113

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ͦͷଞ
ࢀߟࢿྉ
w $PSF/'$c"QQMF%FWFMPQFS%PDVNFOUBUJPOIUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPODPSFOGD
w 1BTT,JU "QQMF1BZBOE8BMMFU
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EPDVNFOUBUJPOQBTTLJU
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w *$"0%PD.BDIJOF3FBEBCMF5SBWFM%PDVNFOUT &JHIUI&EJUJPO
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w ӡస໔ڐূٴͼӡస໔ڐূ࡞੒γεςϜ౳࢓༷ॻʢ࢓༷ॻόʔδϣϯ൪߸ɿʣɹܯ࡯ிަ௨ہӡస໔ڐ՝
w ૯຿লి೾ར༻ϗʔϜϖʔδʛి೾؀ڥʛߴप೾ར༻ઃඋͷ֓ཁIUUQTXXXUFMFTPVNVHPKQKTZTPUIFST
IJHIGSF
w ιχʔגࣜձࣾ'FMJ$BΧʔυϢʔβʔζϚχϡΞϧൈਮ൛7FSTJPO
114

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ͦͷଞ
໔੹ࣄ߲
w ຊτʔΫͷ಺༰ɾεϥΠυʹهࡌ͞Ε͍ͯΔࣄ߲͸ɺҰൠʹެ։͞Ε͍ͯΔ΋ͷͱɺͦΕΒΛ༻͍ͯ։ൃΛ
ߦͬͨൃදऀͷ஌ݟʹج͍ͮͨ΋ͷͰ͢ɻ
w ຊτʔΫͷ಺༰ɾεϥΠυʹهࡌ͞Ε͍ͯΔࣄ߲͸ɺ؆ུԽͷͨΊʹҰ෦ٕज़తʹਖ਼֬Ͱ͸ͳ͍දݱΛؚΜ
Ͱ͍Δ৔߹͕͋Γ·͢ɻ
w ຊτʔΫͷ಺༰ɾεϥΠυʹهࡌ͞Ε͍ͯΔࣄ߲͸ɺকདྷʹΘͨͬͯ಺༰Λอূ͢Δ΋ͷͰ͸͋Γ·ͤΜɻ
w ຊτʔΫͷ಺༰ɾεϥΠυʹهࡌ͞Ε͍ͯΔձ໊ࣾɺ੡඼໊౳͸Ұൠʹ֤ࣾͷ঎ඪ·ͨ͸ొ࿥঎ඪͰ͢ɻ
w ຊτʔΫͷ಺༰ɾεϥΠυʹهࡌ͞Ε͍ͯΔࣄ߲͸ɺຊτʔΫதʹڍ͛ΒΕͨձࣾɾஂମ౳͕ޙԉɾࢧԉ౳͠
͍ͯΔ΋ͷ͸ແ͘ɺൃදऀ΋ؚΊͦΕΒͱ͸Ұ੾ؔ܎͕͋Γ·ͤΜɻ
w ຊτʔΫͷ಺༰ɾεϥΠυΛࢀর͢Δ͜ͱʹΑͬͯੜͨ͡ଛ֐౳ʹ͍ͭͯɺൃදऀ͸Ұ੾ͷ੹೚Λෛ͍·ͤ
Μɻ
115

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)BQQZUBHSFBEJOHɹɹɹɹɹɹɹɹɹɹɹɹɹIUUQTUSFUKQɹ⏩
ৄղ$PSF/'$
116
/'$Λ༻͍ͨJ04"QQ։ൃͷͯͼ͖
iOSDC Japan 2022
Day 1
#iosdc #b

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詳解 Core NFC - NFC を用いた iOS App 開発のてびき / Demystify Core NFC - A guide to iOS App Dev using NFC

詳解 Core NFC - NFC を用いた iOS App 開発のてびき / Demystify Core NFC - A guide to iOS App Dev using NFC

treastrain / Tanaka Ryoga

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