Questions tagged [nfc]

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.

47 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4
votes
1answer
485 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: ...
4
votes
0answers
640 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 / ...
3
votes
2answers
20k views

How to emulate a NFC card with an Android phone?

I have installed several "NFC tools" apps, and I am able to read a NFC door card. It seems to be able to duplicate it (when I'll have a blank NFC card) or even write new NFC tags. But I'd like to do ...
3
votes
0answers
310 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 ...
2
votes
0answers
75 views

NFC: Spotify URIs open app, not specified resource

My goal is to program NFC tags in such a way, that Spotify starts playing a specific track/album/playlist. But after writing a Spotify URI (e.g. spotify:track:6rqhFgbbKwnb9MLmUQDhG6) to my tag, it ...
2
votes
0answers
762 views

Using USB NFC reader as native from Android Emulator

I'm testing an Android app that uses NFC. However, my actual testing phone does not have NFC capabilities built-in. What I do have is a USB NFC reader for Windows. Is there a way I can open my app on ...
2
votes
0answers
827 views

How to get rid of NFC icon?

After a forced OS reinstall by a repair shop a Sony Xperia Z5 Compact started to show a NFC icon in a status bar. How to get rid of it? It does not give any information as it is always on, so it is ...
2
votes
1answer
1k 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 ...
2
votes
0answers
332 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 ...
2
votes
0answers
165 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 ...
2
votes
0answers
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
1
vote
0answers
87 views

Can I emulate my NFC credit/bankcard with my phone?

down vote favorite Samsung Pay, Google Pay, Apple Pay or anything else isn't enabled in my country, but I do know that my card is using NFC. From what I have read there is a possibility that it can't ...
1
vote
1answer
445 views

How to use Glase on a rooted Android device?

How can I use the Tap and Pay payment app Glase (formerly SEQR) on a device which has been rooted using Magisk?
1
vote
1answer
513 views

Device fails to install provisioning app

I'm trying to provision a Huawei Y6 (MYA-L11) with a custom Device Owner app via NFC after a factory reset. However, once it has downloaded the admin app, I get a message box: "Oops! Couldn't install ...
1
vote
0answers
123 views

How can I trigger an action on one Android device with another Android device?

I recently got a new device and my old device will now be used as a music player with my bluetooth speaker. However, I wanna save battery by not having the old device's bluetooth on the whole time. ...
1
vote
1answer
87 views

Multiple uses for NFC

I have my bank card linked to my NFC and since this day it is also possible to have my public transit card assigned to my NFC-chip. The thing I want to know is, is it possible to have multiple ...
1
vote
0answers
77 views

Is it possible to have the NFC URL reuse a browser tab?

When I tap an NFC tag with url in it, it gives the option to open the link in the browser. If I go tap that tag again or another similar tag, it prompts user to open the url again in another browser ...
1
vote
0answers
136 views

Does Galaxy Xcover 3 Value Edition support Mifare Classic NFC tags?

The Samsung Galaxy Xcover 3 is one of the few devices that still support Mifare Classic NFC tags. It was released in 2015. Now Samsung have released an updated version, the "Value Edition" in 2016. ...
1
vote
0answers
548 views

Can't enable NFC on Samsung Galaxy S3

For some reason I am unable to enable / use NFC on my Samsung Galaxy S3 (i9300). When I got the phone, it did work. A month ago, I wanted to use it again and it did not work. I am currently using a ...
1
vote
0answers
106 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. ...
1
vote
0answers
39 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 ...
1
vote
1answer
1k 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 ...
1
vote
0answers
633 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 ...
1
vote
0answers
2k 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 ...
1
vote
0answers
193 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 ...
1
vote
0answers
303 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
1
vote
0answers
25 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 "...
1
vote
0answers
451 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 ...
1
vote
4answers
5k views

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 ...
0
votes
0answers
80 views

NFC tags to execute commands

I would like to know if there is such a possibility to create NFC tag and then use it to execute complex commands on a tablet, for example opening a specific application or changing a certain system ...
0
votes
1answer
475 views

How to drive Philips Hue lighting with NFC tags

Recently I came to use my NFC tags again. Wondering how I can use my NFC tags to automatize chores like: Turn the light on at noon (Alexa/Philips Hue) Turn the light off at midnight In essence I ...
0
votes
0answers
908 views

Clone RFID card to Phone

My Uni has an RFID chip implanted in our student IDs for doors and such, no mag strips or anything. Is there an app that could, ignoring permission for the moment, clone my student ID's chip to allow ...
0
votes
0answers
959 views

How to use NFC Tools to write a 540 byte file to NFC Ntag 215?

It seems Tagmo is a tool to write NFC tags, but when I searched on the Google Play Store, NFC Tools came out, not Tagmo (and it has a 4.4 out of 5 rating), so I tried using it to write a .bin file ...
0
votes
0answers
90 views

Is there a way to activate NFC during initial phone setup?

My mdm (Ivanti/Landesk) requires to deploy an APK through NFC during the initial phone setup (and only during this setup, where you need to set the langage, time zone, google account, etc.) . This is ...
0
votes
1answer
998 views

Samsung Galaxy emitting constant beeping sound

My Galaxy (A8) is emitting a constant beeping sound every few seconds. I tried the following, per various online suggestions: Wiping the cache (by entering into recovery mode) Closing all ...
0
votes
1answer
38 views

NFC-Tagtype isn't supported

I've got a Samsung Galaxy S6 and recently updated my software to Android 7.0. Ever since I updated my Samsung Galaxy S6, my NFC Tag reader apps stopped working. Is this a known issue? I've tried ...
0
votes
0answers
51 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 ...
0
votes
0answers
126 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 ...
0
votes
0answers
1k 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 ...
0
votes
2answers
1k 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 ...
0
votes
1answer
705 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.
0
votes
1answer
93 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 ...
0
votes
1answer
337 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?
0
votes
0answers
99 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 ...
0
votes
1answer
98 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 ...
0
votes
0answers
979 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 ...
0
votes
1answer
735 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 ...