Is it possible for an Android application to send a previously stored RFID card ID to a NFC reader? The aim would be to use an Android device to enable access to a room instead of a physical RFID c...

I'm working on an Android application that's supposed to send text data from one phone to another via NFC. I've been referring to the official Android NFC documentation: https://developer.android.c...

I have created Two App for NFC. 1. NFC Sender 2. NFC Receiver. NFC Sender sends simple text data to NFC Receiver App. But I am in a big problem here. I am unable to read simple text from NFC. The t...

I am trying to upload my app to TestFlight, which using CoreNFC (NDEF). Unfortunately, I got the error message on Testflight Validate part in (SDK version 13 and 13.1). I already tried this: Xcod...

How do I write NDEF message to NFC tag? Do I have to change manifest file? So far I have code to generate NDEF message: public NdefRecord createTextRecord(String payload, Locale locale, boolean en...

I just started coding with Android NFC, i've successfully read and write NDEF data into mifare classic tag. The problem is when app read the payload from ndef record, it always contain character '*...

I'm trying to read the UID for a mifare tag. Looking at examples, I see the following method a lot: func tagReaderSession(_ session: NFCTagReaderSession, didDetect tags: [NFCTag]) { if case let...

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...

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 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...

I am trying to read an NFC tag using Android. I'm a beekeeper and this is to ID my hives when I approach them. I have searched here but I am still having issues reading the tag. I want to read the ...

I have a bunch of tags that are URL tags that have the content "http://WEBSITE.com". Let's say WEBSITE is youtube so http://youtube.com. When I scan them on Android etc, it keeps the http or https....

As I understand the iOS11 Core NFC, it only supports NDEF. Does this mean that it only supports ISO 15693 tags and does not support ISO 14443 (-3 or -4)? I know that you can send APDUs in NDEF but...

News that in iOS 11 Apple now support reading NFC tags for iPhone 7/7 Plus and above. I found some demos but don't know if there is a way to read protected NFC tags. For example, travel documents ...

I am trying to create an application using NFC and I just want to try and read an NFC tag and get the text message from the tag and place it into a TextView. I have code for it already, but nothing...

I started my studies using NFC in Android. I can easily read and write in NDEF format. My problem is with MIFARE DESFire EV1, I have some factory cards and I understand that they do not conform to...

As of Android 5.0.0 you can long tap on a WiFi connection and write that connection to a tag ("Write to NFC tag"). You can find the source for that operation here: WriteWifiConfigToNfcDialog.java. ...

I write a text to a Mifare Classic 1K tag using the NFC Tools app on my Android device (through the built-in NFC reader). This text is "moretto" (my last name). Then, I'm trying to read this text ...

I'm using an ACR 1255U-J1 as external reader connected through Bluetooth. The library I use to access the reader is acsbt-1.0.0preview7. I use the following commands to authenticate to sector 1 (bl...

My app uses the foreground dispatch system to allow a user to tap their NFC tag in order to perform a read-then-write operation on the tag. It works nicely if the user taps their tag properly (i.e...

I am new to Android, working on Near Field Communication for reading data from NFC tags. Neither I have NFC supported Android mobile nor NFC tags to test the application I created. I found the bel...

I want to simulate the touch event for my application. My manifest is like <activity android:name=".activity.TagActivity_" android:label="@string/app_name" android:launchMode="singleTask" a...

I would like to start an application using an NFC tag. I got that part working using an android application record (AAR) as described in Start Android application from NFC-tag with extra data or by...

I have an LG D320n Android phone, elechouse's PN532 nfc module and Stollmann's NFCPlayer with which I can read NFC tags properly. I tested a sample from here: https://github.com/grundid/host-card...