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 ...
3
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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 ...
4
votes
1answer
227 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 ...
0
votes
1answer
35 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
12 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
96 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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0answers
65 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. So i want to clone my card to my phone. Is it possible to copy when it is key protected? Can ...
7
votes
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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0answers
41 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, ...
0
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1answer
32 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 ...
3
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0answers
1k 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 ...
0
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1answer
147 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
23 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 ...
0
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1answer
47 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 ...
0
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0answers
184 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 ...
5
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1answer
2k 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
votes
1answer
100 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 - ...
8
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2answers
985 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.
0
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1answer
45 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 ...
4
votes
2answers
1k 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
72 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
860 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 ...
2
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0answers
101 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
15 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
39 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 ...
3
votes
2answers
2k 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
votes
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 ...
2
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0answers
175 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 ...
12
votes
3answers
16k 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 ...
10
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1answer
17k 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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0answers
78 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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1answer
386 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?
2
votes
2answers
1k 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 ...
0
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1answer
59 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 ...
4
votes
3answers
16k views

How to use NFC tags to trigger profiles and tasks in Tasker?

I am planning to get some NFC tags which I want to use to control some profiles in Tasker. Where in Tasked can I choose NFC tag as my trigger? If that does not exist, how can I turn tasks on and off ...
0
votes
1answer
460 views

Batty drain issue on CM10.2.1-yuga / Sony Xperia Z - NFC Service using over 50%

I've recently put CyanogenMod CM10.2.1-yuga on my Xperia Z and I've noticed the NFC server is using an insane amount of the battery. Even after disabling the service in the App section, the ...
0
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0answers
200 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 ...
3
votes
2answers
12k views

Unknown Tag Type collection

Since purchasing my Samsung Nexus S I have been bombarded by 'New Tag Collected' Tag Type 'Unknown'. I have since learned how to turn this off, but I was wondering what these Tags are and where are ...
1
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0answers
106 views

Is RFID reader with anti-collision feature for Android available? [closed]

I'm developing RFID-based system where I plan to use Samsung Galaxy S II plus to connect the RFID reader to it, so it can be as a portable reader. What I'm searching for, is RFID reader, supports ...
0
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0answers
83 views

Tap to pay issue GS4 CM 10.2 is there a fix?

Recently flashed Cyanogenmod 10.2 to my sprint variant of the galaxy s4 and I've noticed that my tap to pay through Google wallet no longer works at all. I've tried some online solutions involving ...
2
votes
0answers
78 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 ...
1
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0answers
115 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
108 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
3answers
7k views

How can I test the NFC capability of my Android?

I got a Nexus 7 last week, and I love it! It has NFC functionality, and I was wondering how I could test it? I don't actually have any NFC tags that I can use (have you seen the price of them?!?). ...
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vote
1answer
1k views

Samsung Galaxy S3 4G notification center NFC button doesn't work

UPDATE: This was fixed in the 4.3 update that came out for my phone lately. No need to think about it anymore, also I can't give any further details. I have a quite new Samsung Galaxy S3 4G ...
3
votes
1answer
5k views

Sending an application (apk) through NFC

Is it possible to install the application to another device using NFC? The application is not in Google Play store. If it is possible, how can I do this?
1
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1answer
2k views

nfc tag compatibility with google nexus 5

does anyone know if samsungs tec tile 2 (note the 2!) are compatible with the google nexus 5? in fact, does anyone have a list of compatible nfc tags? (i thought the whole idea of nfc tags is that ...
2
votes
1answer
390 views

Reading NFC tags from the front of the phone

I'm creating an app reading NFC tags. Currently all works well expect that the NFC tag can only be scanned when it touch the back of the phone. Is there anyway to allow NFC to be read through the ...
2
votes
3answers
157 views

Is there an app that associates a certain action to a arbitrary NFC tag?

I'm using the NFC Task Launcher for launching actions stored on my own tags. This works fine. What I'm searching for is an app that associates a certain action with an arbitrary tag. An example: my ...