NFCUtil_retrieveNFCMessage.kt

fun retrieveNFCMessage(intent: Intent?): String {
        intent?.let {
            if (NfcAdapter.ACTION_NDEF_DISCOVERED == intent.action) {
                val nDefMessages = getNDefMessages(intent)
                nDefMessages[0].records?.let {
                    it.forEach {
                        it?.payload.let {
                            it?.let {
                                return String(it)

                            }
                        }
                    }
                }

            } else {
                return "Touch NFC tag to read data"
            }
        }
        return "Touch NFC tag to read data"
    }