I am trying to send APDU commands to NFC card that contains ISO7816 Tag I will open session: readerSession = NFCTagReaderSession(pollingOption: [.iso14443], delegate: self, queue: nil) readerSess...

From what I have understood so far, an NFC phone will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone beha...

I have a requirement to include NFC Card reader to read associate ID to authenticate the user for a web app displayed in a touch screen. Is it possible to use SCM NFC reader module for a web-based...

In my app I am using NFC to read tags. I click on the button to enable NFC. A progress dialog is opened to read the NFC tag, and when done, NFC is disabled. That's all working fine. But when ...

This question is specifically about MIFARE Ultralight C/EV1, or MIFARE DESFire EV1, or even NTAG cards. I want to implement a system of tokens, so that each time a normal user reads one of those ca...

Is there a way to check at run time whether a device has an NFC reader? My app uses NFC to perform a task, but if no reader is present, it can perform the same task by using a button.

I am developing an Android+iOS app with Flutter which have several screens of user interaction and NFC screen. On the NFC screen the users taps phones back to back (as we do with Android beam data...

I need to write/read textual data to an NFC tag. The way I am expecting the read/write should work is the following: First time write I should be able to set password. Next time when anyone tries...

I want to write set of NSDictionary data into NFC tag and get when they tap NFC Stickers. How to write NFC tag data from my iOS app? After searching Google I can't find any reference to write data...

import UIKit import CoreNFC class ViewController: UIViewController, NFCTagReaderSessionDelegate { var nfcTagReaderSession: NFCTagReaderSession? func tagReaderSessionDidBecomeActive(_ session: ...

I'm diving into iOS 13's new CoreNFC capabilities, and I'm struggling to get NFCTagReaderSession working. After setting up my entitlements and instantiating an NFCTagReaderSession and delegate I at...

I developed an app which has been widely used together with Google Pay application since two years ago and there was no problem with its HCE NFC feature until the release of Android 9. However, I ...

I am trying to emulate an NDEF NFC tag but processCommandApdu is not being called. The service appears to start, I have tried a number of AID and nothing seems to work. I have also tried using Pack...

I am working over emulating ndef tags with acr122U device(PN532 chip). My start point was the question at How to card emulate with ACR122U-A9. I can manage device (I can change led or buzzer states...

Which of MIFARE cards support a single block that can be programmed to require a password for writing, but is available to everyone for reading its data? And is such standard eligible on all platfo...

We are using NFC tags as parking tickets for entry and exit. On each entry, the tag is written with some data and at the exit that data verifies the exit of the vehicle. After entry and exit of s...

I'm trying to write a NdefMessage into a NFC tag in order to have a NFC business card that show the contact information as the tag is tapped with the users phone. I want to pass the Contact inform...

I am a complete newbie to the world of Android.Please forgive me if my question is too naive. I have been working on a sample application to realize Bluetooth pairing between a Linux Box (FC-21 ru...

I've suddenly figured out that this declaration: <uses-library android:name="com.android.nfc_extras" android:required="false"/> inside <application> scope of my AndroidManifest.xm...

I wanna emulate a host card with the HCE feature from Android. For that I extend the service class HostApduService and overwrite following method: public byte[] processCommandApdu(byte[] commandA...

Firstly, apologies if this is an inappropriate place for this question as it is not strictly a code question but I am struggling to find any relevant resources anywhere else. We have a solution ba...

I am making an app using NFC tags and I have to prevent the NFC tag from cloning. I have seen many other NFC tags which when tried to be cloned, shows a pop up message "Cloning is restricted, tag i...

How can i check whether NFC is enabled or not programmatically? Is there any way to enable the NFC on the device from my program? Please help me

I have researched Mifare and other card emulation I have very good knowledge in programming (not Android, but C/C++). I have proxmark and I have made multiple emulation codes for proxmark, so I kno...

I have tried a sample with CoreNFC in iOS, but it fails to read the manufacturer's UID of the NFC Tag, instead it expects message content from the Tag and reads only that, Is there any way to make ...