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...

Ok, I have an app. This app will only complete a task when an nfc tag, any tag, is scanned. Only problem, I do not have any nfc tags. And I am trying to eliminate needing a card anyway, So What I n...

I have mistakenly overwritten sector 1 block 7 of one of my Mifare classic 1k tags. It was meant for testing and the 16 byte data that I wrote on block 7 is shown below: 0xaa 0xaa 0xaa 0xaa 0xbb...

Tag myTag = (Tag) intent.getParcelableExtra(NfcAdapter.EXTRA_TAG); Log.i("tag ID", myTag.getId().toString()); This gives me an ID like "[B@40521c40" but this ID changes every read. Any help woul...

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...

Is there any way to disable/enable NFC via ADB shell commands? I found one answer here. What I tried from the above link: # Enable NFC service call nfc 5 # Disable NFC service call nfc 4 but...

I am working with NFC smart card. Typically it is 2-8 commands in a row to get some data, perform some actions and get result. . So I call NFC activity from fragment using registerForActivityResult...

I have this code (Java) to write nfc tags: private Tag tag; @Override protected void onNewIntent(Intent intent) { if (NfcAdapter.ACTION_TAG_DISCOVERED.equals(intent.getAction())) { tag = intent....

Hey guys im testing NFC and i have an issue with i think it is formating.. I added a string value in the tag with an app to write. when i scan it with that same store app it shows ok... when i s...

I read all documentation about CoreNFC, saw all videos about read and write tags from WWDC 2019 but i didn't find no one information about my problem. I need to write tag with some data for open do...

I am able to make my app, the device owner app through NFC as mentioned here. Now I want to update my app over the air, but I couldn't find a method without rooting. Google is providing many optio...

On an Android device equipped with NFC reader hardware, is there any in-built support to use the NFC tag contents to fire off an intent (e.g. starting an app)? I am asking whether the support is th...

Apple just announced new NFC Core API to public. Here is what they said. Core NFC With Core NFC framework, your apps can now support tag writing, including writing to NDEF formatted tags. The fram...

I have an application which starts in Kiosk mode and should read and react on NFCTags. It's using enableReaderMode on the NFCAdapter in onResume to start reading them. Everything works fine if the ...

In Android 10 I noticed I get a Toast message from the OS stating "No supported application for this NFC tag" or "No supported app for this NFC tag" (depending on the device): The weird thing is...

I'm currently facing a problem with implementing a specific feature into an NFC based iOS 13 app. When reading a tag, I'd like to get the unique hardware id and the NDEF message in one session. So ...

I am building a flutter where an app transfers user details from one phone to another. Initially I built this using a qr code scanner and generator setup. Now I am trying to pass the data between t...

How can i read and display the NDEF messages from NFC tags? Please help me. Can anyone provide the sample source code to read the Nfc tag?

How does one detect if an iPhone has the ability to use the NFC chip provided by the core NFC framework? I know right now it only works on iPhone 7 and 7 plus but I don't want to hardcode hardware...

I'm trying to authenticate a Mifare Ultralight C (ISO/IEC 14443-2 and 14443-3 type A compatible) tag. I send the authentication command with the MifareUltralight.transceive() function provided in ...

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 using Flutter nfc_manager just for writing URLs on NFC Tags in android it's working perfectly. But on IOS it's not written anything on a tag or not showing any error also. On their documentati...

I'm using the nfc_manager package to scan my transportation card. I've found similar apps on the playstore that were able to get transaction history, card serial number and other details from the a...

I need to implement an authentication procedure between a reader an NFC tag but being my knowledge limited in this area I will appreciated some aid in order to understand few concepts. Pardon in a...

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...