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
141 views

Why does Nexus 5 HCE respond to FELICA select?

I have an NFC reader constantly polling for tags present. I also have a Nexus 5 with a HostApduService activated. When repeatedly tapping the Nexus 5 on the reader, the reader reports a FELICA (JIS: ...
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1answer
504 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
239 views

Open Google Maps to location with NFC tag

I have an NFC tag containing only one record, in the format of geo: [latitude],[longitude], and when I tap it to my phone the 2 options are the Waze app and Google Maps. Waze opens up to those ...
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1answer
176 views

How to get data (text and pictures) from server via http get request using a NFC Tag (NFC tools)?

On my Android phone I use NFC Tools pro and I want to do following: get text from my server (i.e. to show it in a popup or text-to-speech) get picture from my server and show it I found the "HTTP ...
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1answer
170 views

can you use wireless charging on LG G3 s

can you get wireless charging on the LG G3 s as under the cover on the back of the phone there are two pins that connect to the cover, this cover also has a pad on the back. Thanks.
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1answer
274 views

Can Android devices with NFC be used as POS terminals for EMV Chip-and-pin cards?

I know that Square, for instance, makes payment card readers you can attach to phones in order to make transactions using the mag strip, and they're soon to release a new card reader designed for EMV ...
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1answer
163 views

How do I transfer one video file from a S6 to an S3 using NFC?

Both my phones are on the same WiFi network and I have NFC turned on for both but what is the qucikest way to select one 400MB file to copy to the S6 through NFC?
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51 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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1answer
493 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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0answers
555 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
156 views

Kiosk, Rom + Launcher, need a little guidance

I am currently developing a software for use in the Home health industry, which handles Verifying an aid is actually administering care (EVV). This works with GPS and the read of a fixed NFC chip. i ...
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0answers
273 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
117 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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0answers
83 views

Is it possible to test a Note 4 NFC antenna

NFC has stopped working on my Note 4 (N910G). As I understand it, the NFC antenna is embedded in the battery - it seems to be, I can see an antenna. I am using an Anker replacement battery, but NFC ...
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0answers
54 views

Is there a way to use a phone as a virtual keychain for NFC tags?

So let's say I have a bunch of things that can be unlocked via NFC. Each thing would correspond with one tag and one tag only. The problem would then be that I'd have to carry a bunch of tags around. ...
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0answers
25 views

NFC occasionally stops working. Fixed by battery removal.

I have written an app utilising the NFC radio running on Android 4.4. The NFC radio stops working on 2 occasions : After an APK update. Occasionally at other times. The NFC function is still ...
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0answers
112 views

Can one NFC tap initiate multiple actions from the same tag?

If a single user taps a single tag a single time, can the tag be encoded such that it both sends an SMS (or, at least, launches the SMS app) and launches a URL connection? Is this the best S.E site ...
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0answers
814 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
160 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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0answers
215 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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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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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
409 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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When is the secure element initialized?

I am new to SE and Global Platform. As far as I know from the spec, when you want to do something, you need to finish the external authentication first. Since the authentication requires a S-ENC key, ...
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21 views

How does NFC unlock work?

I am not asking for instructions on how to set it up. I can't find any page or diagram detailing Android's scheme for using NFC modules to unlock devices. What algorithms are used? How about the steps ...
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25 views

Boost NFC by software modifications?

Is it possible to increase the distance of the NFC detection by software modifications or must I make some hardware modifications ?
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18 views

Android Beam/Android Pay - Can it be used through an NFC case?

As you may know, Google just introduced the new Live Cases for the Nexus 6, 6P, and 5X. I have one tiny concern though. See, the case has an NFC chip embedded inside of it, and I am a heavy Beam, Pay, ...
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19 views

How to sync 2 folders using NFC between two Android devices running slightly different Android OS versions

I have a Sony Xperia Z3 running lollipop and another jiayu s3 running Android 4.4. Both of them have NFC. I want to sync a folder in internal storage from one phone with another using Android NFC ...
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32 views

How to find which NFC Chipset my phone has?

Is there a way to find which NFC chipset has my phone? (I tried some HW detectors apps, but none had that information).
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30 views

Open Home screen shortcut from NFC Tag

I have the Google Maps "Driving" shortcut on my home screen and would like to open it from a NFC Tag, there are lots of apps that allow you to write "open app XYZ" to a NFC Tag, but I can't find a way ...
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48 views

NFC without swiping and unlocking

I have this app called jiffy, which starts an action when an NFC tag is brought close to my Oneplus One (lollipop 5.1.1 running cyanogemnod). I have a smartwatch that keeps my phone unlocked because ...
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80 views

Samsung galaxy s3 i9300 NFC issue

I have a samsung galaxy s3 i9300 which have cyanogenmod 12.1s based rom. The problem is the NFC is not working.. I have tried to flash the stock rom and other custom roms which have different android ...
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60 views

NFC / Android Beam enabled by default?

Let assume any Android smartphone, that is equipped with NFC and runs on the stock software of one of the many manufactures. Is NFC enabled by default? Is Android Beam enabled by default? I am ...
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23 views

Connect NFC to Galaxy S5

I have a Galaxy S5 and 6 NFC chips: I want to write text to those NFC chips. I've already tried 2 apps: NFC Tools and Trigger. None of these apps hadn't recognized those NFC chips. How can I read ...
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0answers
22 views

NFC tag opens in messenger/dialer

I have an NFC tag that contains URL (example: sms:050555555?body=Hello). There are a few NFC reader applications on my phone (LG G3). The first couple of times after I read the tag it asked me which ...
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0answers
57 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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0answers
526 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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636 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 ...