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import UIKit
import CoreNFC

class ViewController: UIViewController, NFCTagReaderSessionDelegate {

    var nfcTagReaderSession: NFCTagReaderSession?

    func tagReaderSessionDidBecomeActive(_ session: NFCTagReaderSession) {
        print("Tag reader did become active")
        print("isReady: \(nfcTagReaderSession?.isReady)")
    }

    func tagReaderSession(_ session: NFCTagReaderSession, didInvalidateWithError error: Error) {
        print("\(error)")
    }

    func tagReaderSession(_ session: NFCTagReaderSession, didDetect tags: [NFCTag]) {
        // this part is never called!
        print("got a Tag!")
        print("\(tags)")
    }

    @IBAction func clickedNFC(_ sender: Any) {
        nfcTagReaderSession = NFCTagReaderSession(pollingOption: [.iso14443], delegate: self)

        nfcTagReaderSession?.alertMessage = "Place the device on the innercover of the passport"
        nfcTagReaderSession?.begin()
        print("isReady: \(nfcTagReaderSession?.isReady)")

    }

}

資格ファイルにもあります

<key>com.apple.developer.nfc.readersession.formats</key>
<array>
    <string>NDEF</string>
    <string>TAG</string>
</array>

そして私のInfo.plistで

<key>NFCReaderUsageDescription</key>
<string>Read the NFC chip of ePassports</string>
<key>com.apple.developer.nfc.readersession.iso7816.select-identifiers</key>
<array>
    <string>A0000002471001</string>
</array>

私の問題は、tagReaderSession(_ session: NFCTagReaderSession, didDetect tags: [NFCTag])決して呼び出されないことです。私は何が欠けていますか?

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1 に答える 1