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Core NFC の新機能 / What's new in Core NFC (WWDC20)

Core NFC の新機能 / What's new in Core NFC (WWDC20)

集まれSwift好き!Swift愛好会スピンオフ WWDC20セッション要約会 @ Online で発表した LT「Core NFC の新機能」です。

More Decks by treastrain / Tanaka Ryoga

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Transcript

  1. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    MPWF@TXJGU
    ू·Ε4XJGU޷͖ʂ4XJGUѪ޷ձεϐϯΦϑ88%$ηογϣϯཁ໿ձ!0OMJOF+VMZ
    $PSF/'$ʹؔ͢Δ৽ػೳ
    8IBUTOFXJO$PSF/'$
    USFBTUSBJO5BOBLB3ZPHB !USFBTUSBJO


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  2. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    USFBTUSBJO5BOBLB3ZPHB
    4XJGU J04 XBUDI04 $PSF/'$
    044
    ɹɹɹɹɹɹɹɹɹɹ!USFBTUSBJOɹIUUQTUSFUKQ

    ߴઐʢʣ‎େֶʢʣ‎৽ଔʢʣ
    ੜ·Εͯ͸͡Ίͯຊ֨తʹऔΓ૊Μͩ
    ϓϩάϥϛϯάݴޠ4XJGU

    ࣗݾ঺հ

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  3. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    +BQBO/'$3FBEFS
    J1IPOFͰిࢠϚωʔͷ
    ࢒ߴɾར༻ཤྺͷಡΈऔΓ
    J1IPOFͰಡΈऔͬͨཤྺΛ
    J$MPVEܦ༝ͰଞͷσόΠε͔Β֬ೝͰ͖Δ
    ೥݄ϦϦʔεɹμ΢ϯϩʔυ਺,
    !+BQBO/'$3FBEFS
    J1IPOFͰిࢠϚωʔͷ࢒ߴΛνΣοΫ
    J04"QQ

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  4. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    IUUQTHJUIVCDPNUSFBTUSBJO53&5+BQBO/'$3FBEFS
    +BQBO/'$3FBEFSͷίΞ෦෼Λ044Խͨ͠ϥΠϒϥϦ
    ӡస໔ڐূ΍ϚΠφϯόʔΧʔυͷҰ෦಺༰ͷಡΈऔΓ΋
    *OJUJBMDPNNJU೥݄೔ɹ4UBST!೥݄೔࣌఺

    53&5+BQBO/'$3FBEFS
    .*5-JDFODF
    044-JCSBSZ

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  5. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    /FBS'JFME$PNNVOJDBUJPO
    ۙڑ཭ແઢ௨৴

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  6. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    ೔ৗʹ༹͚ࠐΉ/'$
    ͋ͳͨͷपΓʹ΋/'$
    w ඇ઀৮ܾࡁ
    ‎ΫϨδοτΧʔυͷίϯλΫτϨεܾࡁ
    ‎ϓϦϖΠυܕͷిࢠϚωʔʢަ௨ܥɺҰൠతͳফඅܥʣ
    w ຊਓ֬ೝ
    ‎ݸਓ൪߸ʢϚΠφϯόʔʣΧʔυɹɹӡస໔ڐূɹɹύεϙʔτ
    ‎ֶੜূɹɹࣾһূ
    w σʔλͷަ׵
    ‎"OESPJE#FBN "OESPJE*$4d1JF


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  7. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    J1IPOFͰ/'$Λ࢖͏
    ‎$PSF/'$

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  8. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    "QQ$MJQTͰ$PSF/'$͸࢖Θͳ͍
    J04Ͱ࢖͑ΔίϯύΫτͳ"QQ
    w "QQ$MJQTΛ։͘
    w /'$
    w 23ίʔυ
    w Ϛοϓʢ෇ۙͷݕࡧʣ
    w 4JSJ͔ΒͷఏҊ
    w 4BGBSJ
    w ϝοηʔδ
    w "QQ$MJQίʔυ
    w /'$ɾ23ίʔυͷத਎͸
    6OJWFSTBM-JOLT
    w J04ଆ͕ಡΈऔͬͯॲཧ͢Δ
    ‎$PSF/'$ͷ࣮૷͸ඞཁͳ͠

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  9. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    $PSF/'$ʹؔ͢Δ৽ػೳ
    8IBUTOFXJO$PSF/'$ XXED

    w $PSF/'$ͷ֓ཁ
    0WFSWJFX
    w 4XJGUͰͷߏจͷมߋ
    4ZOUBYDIBOHFT
    w *40λά޲͚ͷϝιουΛ௥Ճ
    *40BEEJUJPOT

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  10. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    $PSF/'$ʹؔ͢Δ৽ػೳ
    8IBUTOFXJO$PSF/'$ XXED

    w $PSF/'$ͷ֓ཁ
    0WFSWJFX
    w 4XJGUͰͷߏจͷมߋ
    4ZOUBYDIBOHFT
    w *40λά޲͚ͷϝιουΛ௥Ճ
    *40BEEJUJPOT

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  11. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    3FTVMUΛ࢖ͬͨ4XJGUߏจ
    .PEFSO4XJGUTZOUBYXJUI3FTVMU
    w J04ҎલͷNFCFeliCaTagͷྫ
    &YBNQMFPGNFCFeliCaTagCFGPSFJ04

    detectedFeliCaTag.readWithoutEncryption(
    serviceCodeList: serviceCodeList, blockList: blockList) { (
    statusFlag1: Int, statusFlag2: Int, blockData: [Data], error: Error?) in
    if let error = error {
    // Handle error.
    return
    }
    // Handle status flag 1, status flag 2 and block data
    }

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  12. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    3FTVMUΛ࢖ͬͨ4XJGUߏจ
    .PEFSO4XJGUTZOUBYXJUI3FTVMU
    w J04Ҏ߱ͷNFCFeliCaTagͷྫ
    &YBNQMFPGNFCFeliCaTagBGUFSJ04

    detectedFeliCaTag.readWithoutEncryption(
    serviceCodeList: serviceCodeList, blockList: blockList) { (
    response: Result<(NFCFeliCaStatusFlag, [Data]), Error>) in
    switch response {
    case .success((let statusFlag, let blockData)):
    // Handle NFCFeliCaStatusFlag object and block data
    case .failure(let error):
    // Handle Error object.
    }
    }

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  13. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    detectedFeliCaTag.readWithoutEncryption(
    serviceCodeList: serviceCodeList, blockList: blockList) { (
    statusFlag1: Int, statusFlag2: Int, blockData: [Data], error: Error?) in
    if let error = error {
    session.invalidate(errorMessage: error.localizedDescription)
    }
    guard statusFlag1 == 0x00, statusFlag2 == 0x00 else {
    session.invalidate(
    errorMessage: "εςʔλεϑϥά͕ΤϥʔΛ͍ࣔͯ͠·͢ɻ\(statusFlag1), \(statusFlag2)")
    return
    }
    let data = blockData.first!
    let balance = Int(data[11]) + Int(data[12]) << 8
    session.alertMessage = "࢒ߴ: ¥\(balance)"
    session.invalidate()
    }
    ަ௨ܥ*$Χʔυͷ࢒ߴΛಡΈऔΔ
    J04Ҏલͷ৔߹ɹcompletionHandler

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  14. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    detectedFeliCaTag.readWithoutEncryption(
    serviceCodeList: serviceCodeList, blockList: blockList) { (
    response: Result<(NFCFeliCaStatusFlag, [Data]), Error>) in
    switch response {
    case .success((let statusFlag, let blockData)):
    guard statusFlag.statusFlag1 == 0x00, statusFlag.statusFlag2 == 0x00 else {
    session.invalidate(errorMessage: "εςʔλεϑϥά͕ΤϥʔΛ͍ࣔͯ͠·͢ɻ\(statusFlag)")
    return
    }
    let data = blockData.first!
    let balance = Int(data[11]) + Int(data[12]) << 8
    session.alertMessage = "࢒ߴ: ¥\(balance)"
    session.invalidate()
    case .failure(let error):
    session.invalidate(errorMessage: error.localizedDescription)
    }
    }
    ަ௨ܥ*$Χʔυͷ࢒ߴΛಡΈऔΔ
    J04Ҏલͷ৔߹ɹresultHandler

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  15. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    Մಡੑ޲্ͷͨΊͷFOVNͷมߋ
    .PSFEFTDSJQUJWFFOVNT
    w FOVNͷ໊শมߋ
    3FOBNFTPGUIFTFFOVNT
    w PollingRequestCode‎NFCFeliCaPollingRequestCode
    w PollingTimeSlot ‎NFCFeliCaPollingTimeSlot
    w EncryptionId ‎NFCFeliCaEncryptionId
    w NFCISO15693ɺNFCISO7816޲͚ʹ΋໊শมߋɾ௥Ճ͋Γ
    0UIFSOFXFOVNT

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  16. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    ࠓ೥͸ΠϯύΫτগͳΊ
    J04Ͱͷ$PSF/'$ͷϝιου௥Ճͱൺֱͯ͠
    w J04Ͱͷ$PSF/'$ʮωΠςΟϒλάΞΫηεͷ௥Ճʯ
    ‎J04·Ͱ͸ܾΊΒΕͨϑΥʔϚοτʢ/%&'ʣͷΈ
    ‎ωΠςΟϒϓϩτίϧʢ*40ɺ'FMJ$Bɺ.*'"3&ͳͲʣ͕࢖͑ΔΑ͏ʹ
    ɹ‎ిࢠϚωʔͷಡΈऔΓɺνϟʔδ
    ɹ‎ϚΠφϯόʔΧʔυͷಡΈऔΓɺॻ͖ࠐΈ

    w J04Ͱ͸4XJGUͰͷߏจมߋͱ*40λά޲͚ͷػೳ௥Ճ
    ‎*40*&$ʹରԠ
    ‎ਤॻؗͷຊͷλάͳͲ

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  17. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    ئ͍׎Θͣ
    "QQMF8BUDIͰ$PSF/'$͕࢖͑ΔΑ͏ʹʜͳΒͳ͔ͬͨ
    USFBTUSBJO5BOBLB3ZPHB
    !USFBTUSBJO
    ͬͪ͜͸͍ͭͰ΋େৎ෉Ͱ͢Αʜʁ"QQMF͞Μʜʜʁ
    88%$ΑΖ͓͘͠ئ͍͠·͢Ͷʜʜʜʁ
    ޕޙu೥݄೔u5XFFU%FDL

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  18. $PQZSJHIU˜USFBTUSBJO5BOBLB3ZPHBɹ"MMSJHIUTSFTFSWFE
    ࢀߟ৘ใ
    ͋Γ͕ͱ͏͍͟͝·ͨ͠
    w ຊεϥΠυ͸4QFBLFS%FDLʹͯӾཡͰ͖·͢
    IUUQTTQFBLFSEFDLDPNUSFBTUSBJO
    w ຊεϥΠυͰͷαϯϓϧίʔυΛ(JU)VC(JTUͰެ։͍ͯ͠·͢
    IUUQTHJTUHJUIVCDPNUSFBTUSBJOGFDFGBCFFD
    w 88%$7JEFPT
    w $PSF/'$&OIBODFNFOUT88%$
    IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED
    w 8IBUTOFXJO$PSF/'$88%$
    IUUQTEFWFMPQFSBQQMFDPNWJEFPTQMBZXXED

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