Near field communication (NFC) allows wireless data exchange between two NFC devices in close proximity to each other. NFC devices are very small and can, for example, be integrated in cards.

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Dialog option “Use by default for this action” or “Always” not displaying

I just completed my Android application which scans NFC tags. When an NFC tag comes near the device, the device tries to show all the apps which can scan the NFC tag. I want it to remember which app ...
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1answer
203 views

Why does the YubiKey Neo only use Firefox, not Chrome?

I want to use the YubiKey NEO with Chrome, and when I tap the NFC sensor to the phone, the only app I can use is Firefox. I would like to have SSO work with Chrome, but not sure how they were able to ...
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1answer
41 views

Toggle application with NFC

I am using NFC tag to run Car application, and to set volume up in car on my HTC M8. But after I go out of the car I must to manually close application and set volume down. Please, is there a way how ...
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29 views

What is the output of an RFID chip on an average android device

It's really difficult to find any sort of information on the internet for this, it would really help me with a research project.
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1answer
266 views

Send file via NFC from Galaxy S2 Plus and Sony vaio with Ubuntu OS

I have a problem with sharing files between my Galaxy S2 phone and a Sony Vaio model SVF1521DCXW with NFC support1. I am using Ubuntu 14.04 Desktop version and I don't have any idea how can I use NFC ...
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78 views

Android and NFC strenght

I am currently doing a research on Android phones, trying to find the "best" Android phones in terms of their ability to read-write to NFC cards. I read that there are phones that struggle to power ...
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466 views

Prevent alert tone when scanning / identifying an NFC intent

Perhaps I'm missing something but when I scan an NFC tag via a Galaxy Nexus, the phone always makes the default alert tone. Is there a way of switching this off? I have scoured the menus / ...
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0answers
4k views

How can I copy a NFC badge to my (rooted) Android phone for Daily Usage

For the Cafeteria a school we have NFC badges with which we pay meals or drinks. I was wondering how is it possible to have the card on my phone? I lost it 5 times last year. I've tried to copy the ...
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0answers
207 views

Poor NFC recognition after replacing Nexus 4 back cover

After replacing the back cover on my Nexus 4, the ability to read NFC tags has decreased significantly. I replaced the back cover of my Nexus 4 with an original(!) replacement because the glass had ...
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0answers
94 views

Android Beam - vCard Not Init'ing

When I try to send a contact from one nexus 5 to another, Android Beam fails (everything is enabled). Other things such as a pic, a Play App link, etc. work just fine. When I pull the log, I can see ...
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370 views

Cloning room key card by using NFC

I live in a youth hostel of an university and we access our rooms and labs by using a contactless key card. I want to clone my card to my phone. Is it possible to copy when it is key protected? Can ...
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0answers
127 views

Samsung - Change password / log-in method with NFC

I had some NFC tags with my Xperia Sola. It could change settings if I touched the tags with the phone, and it was pretty useful. Can one use this "technology" with modern Samsung phones? Both ...
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149 views

NFC for PC using libnfc

Is it possible to use the phone's nfc hardware as a NFC reader for PC (installing some app or using netcat with some /dev/ file)? My phone has pn544 chip, it seems it is available as /dev/pn544
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24 views

TecTiles and applications

Samsung promotes NFC via its TecTiles, which is a very interesting concept but i cant find lots of information about it, especially the need for an app. Do you know if a user that just want to ...
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0answers
397 views

How to enable NFC on Galaxy Note I717 for lockscreen/screen off use?

The Note I717 running Paranoid ICS and makes everything except the S-Pen great -- except I can't quite figure out how to enable NFC for use on the lock screen/screen off modes. I see plenty of people ...
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43 views

Disabling or Ignoring NDEF Payloads/NFC Emits when using Smart Lock

I just got a Yubikey NEO (NFC) that emits an NDEF (i.e. it must be a URI or text... the configration tool does not allow anything else) and appends an emitted OTP. When using the Yubikey to unlock my ...
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23 views

NFC credit card

I'm wondering, if I can use my NFC phone as a credit card... how can I solve it? As I think, Google Wallet has this feature, but I'm not from US, I can't install it from Play. Do someone know some ...
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23 views

How can I resume an application from NFC rather than launching the application?

When the application hasn't been launched I want the NFC tag to launch the app, but if the application has been launched but is running in the background I want it to resume/bring forth the ...
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0answers
94 views

Samsung Galaxy Tab S 10.1 with NFC programming?

So I want to buy a high-end tablet from Samsung. But I have a more general question, then the specs. So the Tabs does not have a NFC chip inside it. But I am planning to buy an external NFC reader, ...
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315 views

Bluetooth and NFC APK CyanogenMod 11 Nexus 5

I copied a new bluetooth.apk and nfcnci.apk to my CyanogenMod 11 hammerhead on my Nexus 5. I copied a new Bluetooth.apk because my phone wouldn't recognize and connect to my wireless headphones but no ...
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0answers
115 views

S4 NFC tag connection lost problem after firmware update

I wrote an app to read some RFID-Cards an everything works fine. In last few month samsung/mobile carrier updated the firmware on S4 devices. The consequence is that on some phones the app still works ...
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267 views

Can't enable NFC on HTC One X

On clicking the NFC checkbox in settings, it turns off by itself after about 2 seconds. It's a used phone which I bought from a friend more than a year ago and it's always been like this since it had ...
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1k views

Emulate an RFID card with android 4.4?

Is it possible to do it with the host card emulation feature of android 4.4? Is there a sample how this framework works? https://developer.android.com/guide/topics/connectivity/nfc/hce.html
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539 views

NFC Peer2Peer Mode - Android Beam - ISO 18092

I need to find out how in Android Beam the P2P-Mode is managed. I found some general information about P2P: There is an active P2P Mode (not recommended by NFC Forum) and the passive One ...