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.

learn more… | top users | synonyms (1)

4
votes
2answers
277 views

The difference between NFC mode on Android (e.g. card mode, P2P mode)

On my Samsung Galaxy Note 4, there are two NFC modes: card mode and P2P mode. What is the purpose of these modes? Is there any other modes in NFC?
0
votes
0answers
12 views

NFC tag changed its available technologies (IsoDep, NfcA and Ndef to only IsoDep and NfcA) [on hold]

I'm working on an Android application to interface between a mobile phone and a specific chip that supports NFC, which is called the NF4 chip and is manufactured by EM Microelectronic. Here is a link ...
0
votes
0answers
8 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, ...
1
vote
1answer
55 views

NFC battery draining through constant use

Does putting a device that constantly checks/uses NFC affect/drain the battery? One example is Dimple IO which puts NFC buttons on the back of your phone.
0
votes
0answers
16 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 ...
3
votes
1answer
45 views

read the chip info from built-in NFC chip in mobile phone

As I know, there is built-in NFC chip at the back of mobile phone such as samsung. So I would like to read the built-in chip info from that mobile phone. Is that possible or silly question?
0
votes
0answers
26 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).
6
votes
1answer
112 views

Login to Android 6.0 with NFC card and Password

I am evaluating MI5 and its NFC functionality. I am considering to compliment my Samsung Galaxy S4 GT-i9506 with MI5 because of various significant improvements in the hardware, software and ...
0
votes
0answers
23 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 ...
1
vote
0answers
37 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
0answers
39 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 ...
1
vote
1answer
455 views

S4 CM 12.1 Problem with GApps

I've just installed cm-12.1-20151129-NIGHTLY-jfltexx on my S4 (i9505) and Open GApps 5.1 Arm nano 20151129. The setup wizard had few errors (Google play services stopped working) and after setting it ...
0
votes
1answer
147 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
0answers
73 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 ...
0
votes
0answers
51 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 ...
2
votes
1answer
61 views

Open Image-link from NFC Tag

I have a NFC-Tag (FeliCa), where I store a URL to an image. (something like https://www.google.de/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png for example). This Tag is emulated by a ...
0
votes
1answer
140 views

How to write an NFC tag with Driving Directions?

I want to write an NFC Tag on a sticker with something that will directly open Google Maps driving directions to a specific address. I've tried using "NFC Tasks" / "NFC Tools", but haven't found any ...
0
votes
1answer
156 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
0answers
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 ...
1
vote
0answers
53 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. ...
3
votes
1answer
128 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: ...
0
votes
1answer
46 views

What are the security implications of enabling NFC on my Andriod device?

My first NFC-capable Android device (running Lollipop) is on its way. I've been doing some research, and got some info on how NFC events are handled internally, but I'd like some more practical ...
2
votes
0answers
145 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 ...
1
vote
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 ...
2
votes
1answer
154 views

Can I encode an NFC tag to send HTTP POST data?

Can I encode an NFC tag to send HTTP POST data? Or can I only use HTTP GET? I have Googled extensively, but can't seem to find an answer (which, I suppose, implies that it is HTTP GET only, but I ...
1
vote
1answer
91 views

NFC task for BOTH tag entry and exit

Since picking up a few NFC tags I've been experimenting with automation apps to run tasks for certain contexts (e.g. Car dock). The apps I've tried (e.g. Trigger) are great at running tasks when the ...
0
votes
0answers
20 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 ...
0
votes
1answer
261 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
94 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 ...
0
votes
1answer
739 views

How can I use an NFC tag to unlock my device

It seems that some of the NFC lock apps don't integrate into the native lock-screen, but present a custom home screen that blocks access to native home screen. This appears to result a range of ...
0
votes
1answer
153 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?
1
vote
1answer
221 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 ...
6
votes
1answer
759 views

Does NFC enabled phone means the phone has an NFC tag inside?

I would like to clarify what it means when Android phone is a "NFC enabled phone" (example list on RapidNFC). Does this mean the following: The phone can read and write NFC tags? The phone should ...
0
votes
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 ...
0
votes
1answer
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 ...
3
votes
1answer
5k views

Can I use Google Cardboard with non-NFC phones?

I have recently got a hold of new phone which has 5 inch Full HD screen, so the first thing that I wanted to do is checking out the Google Cardboard VR. But I recently learnt that my phone doesn't ...
0
votes
1answer
266 views

How can an NFC battery's NFC functionality be used on Android devices? [duplicate]

My Samsung Galaxy SIII comes with a battery with an Near Field Communications (NFC) label on it. Several earlier Android modles don't come with such a label on the battery. I would like to know what ...
2
votes
2answers
475 views

Tapping an NFC tag which contains an URL. (How) can I override the default action (browser launch)?

My previous question established that when a factory reset Android device taps an NFC tag which contain an URL, the operating system launches a browser. Can I prevent that? Is that just a default ...
2
votes
3answers
2k views

What happens when I tap an NFC tag which contains a URL?

I don't have an NFC 'phone to try it out. A colleague absolutely insists that if you tap an NFC tag which stores a URL then that URL is launched automatically by the operating system. That doesn't ...
3
votes
1answer
758 views

Certain NFC tags cause NFC to stop working

This is a very strange problem, so I'm sorry if I describe in in a confusing way. For the past few days, I've been playing around with NFC on my Oneplus One phone. I installed a few apps (NXP TagInfo ...
6
votes
1answer
959 views

Avoid opening Play Store after NFC scan for unlocking with Smart Lock

I want to use the Smart Lock feature of Android 5.0 Lollipop together with NFC. I've configured it and it works well, but my problem is, that after scanning the NFC Tag (and also after unlocking the ...
1
vote
1answer
263 views

How to use NFC with RFID tags/chips

When I bought my Samsung Galaxy SIII, there was a big buzz about the new phones on the market supporting NFC (Near-Field Communications). However, given that Blutooth exchange of files and even the ...
-1
votes
1answer
90 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.
1
vote
0answers
788 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
votes
1answer
1k views

Does HTC Desire 816 Dual sim have NFC? [closed]

I decided to buy HTC Desire 816 and in my country ( Egypt ) only the dual sim version is avaliable ! I heared that that version is not able to have NFC option :-( is that true ??
0
votes
1answer
399 views

Where is the NFC element located in a Moto X?

I have a Moto X (2013 version) -- and use Google Wallet's tap-to-pay at merchants that support it. With certain readers, I end up moving the phone around over the reader until it works; knowing where ...
0
votes
1answer
177 views

Single Authentication for Wifi, Bluetooth and NFC

I would like to use a single authentication for Bluetooth(BLE and classic), wifi and NFC between an android phone and a wearable device.Which means , say i connect a phone and another wearable through ...
3
votes
1answer
425 views

How to set default browser used by NFC?

I have a Samsung S4 mini, stock Jellybean ROM. I have several browsers installed, one of which is Firefox configured for browsing through a proxy. When I tap on an NFC tag, Android opens up Firefox - ...
0
votes
1answer
50 views

Truncated text from NFC tag

The NTAG216 can hold 800+ bytes of information. But when I scan it with my Samsung S4, it will only show 5 lines of text followed by an ellipses (...) which is at most about 270 bytes. I've tried it ...
8
votes
2answers
4k views

What App do I need to use NFC on an android phone to pay for things in the UK?

I'd like to know if it's possible to use NFC on an HTC One X to pay for things in the UK and if so, what app do I use? Google wallet doesn't seem to be supported here in the UK.