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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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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1answer
18 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 ...
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1answer
12 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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2answers
16k views

Why is the NFC in the Galaxy Nexus battery?

Why is the NFC in the Galaxy Nexus embedded in the battery? Wouldn't it make more sense to separate the two things? Is there any hardware advantage of being this way? Disadvantages I can see ...
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1answer
28 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
449 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 ...
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3answers
343 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 ...
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1answer
287 views

Phone makes sound when waving a credit card near it

I have a Samsung Galaxy S3 and the phone was in my pocket. I forgot that my credit card was also in the same pocket and just out of nowhere my phone played the notification sound, so I pulled it out ...
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1answer
373 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 ...
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422 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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4answers
20k views

Can I “clone” my credit card using the Nexus S and Galaxy Nexus's NFC chip? If not, why not?

Can an android app read my credit card's NFC data, store it and then send this data to a contactless pay point (PayPass)? Thus I would use my Nexus to pay for my coffee, conveniently. If yes, is ...
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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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55 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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32 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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1answer
11k views

How do I Switch off NFC?

My Nexus S alerts me when it is close to my Oyster season ticket. It says New Tag Collected. Unknown tag type. Can I stop it doing this.
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1answer
43 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
242 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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2answers
1k views

How does NFC Task Launcher toggle Power Saving and how can I get Tasker to do it?

So I've noticed that NFC Task Launcher can toggle the Power Saving mode for the Galaxy s3. Obviously then, this is not a secure setting that requires root access (eg. turning GPS on / off). So is it ...
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1answer
327 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 ...
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2answers
163 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 ...
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1answer
148 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 ...
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32 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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4answers
667 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 ...
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1answer
760 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 ...
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1answer
135 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 ...
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1answer
39 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
765 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 ??
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2answers
3k views

How do I disable/change the NFC sounds?

I love the NFC functionality of my LG L5, but the sounds are too annoying. Is there a way to customize or disable the sounds that are played whenever a tag was read?
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100 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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1answer
143 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 ...
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1answer
296 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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1answer
39 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 ...
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1answer
111 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 ...
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328 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
11 views

Android Phone (KitKat 4.4.4) as NFC Tag [duplicate]

Is there any android app that can do the below? 1) First Android Phone (KitKat 4.4.4) read a simple RFID Tag (MiFare 1K) & save the Tag ID to phone 2) Second Android Phone (KitKat 4.4.4) reads ...
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1answer
3k views

Do the new NFC options in 4.4 Kitkat allow one to have a combined digital wallet?

The new Android has Host-based Card Emulation built in which takes care of the secure element: https://developer.android.com/guide/topics/connectivity/nfc/hce.html Wondering what it takes to load NFC ...
3
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1answer
273 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 - ...
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2answers
3k 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.
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1answer
97 views

Is NFC required for reading RFID?

Can we read RFID like QR-bar code without NFC in Android? I am confused because we can read QR-Barcode with simple apps like Bar Code Scanner. After searching 2-3 hours I found NFC with every detail ...
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2answers
2k views

Is there a way to write a full vCard via NFC?

Is there a way to write a full vCard to a NFC tag? All of the apps I've tried off Google Play seem to only write the email address or other subset. I've tried apps such as NFC Task Launcher, NFC ...
3
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1answer
148 views

Is it possible to have a phone alarm go off if it moves a set distance away from a NFC tag?

I have a bad habit of leaving my phone around. I want my phone to alert me if it gets to far away from me. If this is possible how can I set this up?
3
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2answers
3k views

Reading Mifare Classic chips with Samsung Galaxy S4?

Searching the web far and wide has me almost out of hope in making Samsung's Galaxy S4 phone read the Mifare CLassic chip through NFC. But does anyone know of any form of work-around, or is this ...
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1answer
19 views

Is it possible to share file with one using NFC and another using bluetooth?

May I know if it is possible to transfer file from one phone using NFC to another phone using blue-tooth? I know it is possible to transfer file from one NFC to another NFC. Also, it is possible to ...
0
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1answer
80 views

Is it possible to to set a fixed NFC P2P RF speed for the Initiator?

In NFC P2P communication, the RF speed of the LLCP connection is set by the Initiator. The possible speeds are 106kbit/s, 212kbit/s, 424kbit/s. Android always choses the fastest possible speed. For ...
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2answers
3k views

Can Android NFC devices be used to clock in a RFID/HID timeclock for work? (As a tag?)

Can Android devices be used to clock in a RFID/HID timeclock for work using NFC? Using the software, I can register the cards with the timeclock. But would I be able to register phones?
3
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1answer
1k views

What causes NFC on Nexus 4 to stop working?

Sorry for the vague question title, I am open to suggestions, but I am not sure how else to phrase this. I recently got a new phone; the Nexus 4. When I got it, NFC tags were working fine. They would ...
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216 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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1answer
25k views

Can I clone my (mifare classic) Access card with an Android device?

I use an NFC access card. Is there any way to clone my card using Galaxy Nexus / Nexus 7?
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1answer
436 views

My nfc-enabled android-phone won't read a rfid key I own, why and what can I do about it?

Does it require some kind of activation-code? If so, can I read it while I scan it on the original scanner?
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2answers
5k views

Where's exactly the NFC area in the Nexus 7 2013?

I've had a Nexus 7 2012 and in the tiny manual there was an indication on where exactly I should touch my phone on it to get NFC communication - near the "e" in the back. That worked great, as I know ...