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1 vote
1 answer
534 views

NFC interaction between Android devices triggers Android Beam instead of HCE

I'm developing payment terminal simulator that acts as a standalone POS terminal. It works ok with chip contactless cards (it can communicate with them on proper protocol), initiate transaction, read ...
krzykol's user avatar
  • 25
20 votes
2 answers
15k views

What's the difference between enableReaderMode and enableForegroundDispatch?

I found two approaches to let an Android app detect and process NFC tags: NfcAdapter.enableReaderMode(activity, callback, flags, extras) and then receive the tag info in the callback. NfcAdapter....
Héctor Valls's user avatar
0 votes
2 answers
1k views

Host-based Card Emulation - Trigger a reader app when HCE is read on reader device

NFC tags can trigger an NFC reader app available on the phone, but HCE does not trigger any reader app. However, if I first open the reader app, then it works normally and, hence, can read the HCE ...
André Delgado's user avatar
0 votes
1 answer
339 views

Android Beam NDEF to reader mode

Context: I've tried HCE in combination with reader mode and these two work like a charm. I'm looking to provide some sense of backward compatibility with the reader mode app. Is there a way to read ...
gaara87's user avatar
  • 2,077
9 votes
1 answer
1k views

How can my app find out which NFC mode is enabled?

I've found that Android devices support three NFC modes: reader/writer, P2P, and card emulation. Is it possible for my app to check which mode is currently enabled?
hoonj's user avatar
  • 273
0 votes
1 answer
746 views

NFC Beam from phone to desktop

I need to send .doc file from my Nexus 5 phone to a Windows 8 desktop (with an ACR122U-A9 NFC reader connected to it). Similar projects I have found use LLCP/SNEP protocol (such as Android Beam that ...
sulyakas's user avatar
5 votes
2 answers
4k views

Is it possible to with one touch two Android devices exchange data via NFC?

I want to create an application to exchange information between 2 devices via NFC. I know how to make one mobile send information to the other using Android Beam. What I don't know is how two phones ...
diego.goncalves's user avatar
9 votes
1 answer
7k views

Host card emulation on Android (4.4 / KitKat and above) with Nexus 5

I'm trying to emulate an NFC tag with my Nexus 5 according to this document, but my service is never invoke. Should I turn off Android beam? I'd like to emulate a simple tag containing a url. The ...
Michelantonio Trizio's user avatar
3 votes
1 answer
3k views

Is it possible to transfer NFC data from one Android device to another without the 'Touch to Beam' screen?

I am trying to send NFC data from one Android device to another. I was able to do it successfully using the 'Touch to Beam' functionality. But I would like the data transfer to take place ...
unni's user avatar
  • 183
-1 votes
1 answer
1k views

How NFC readers works?

Hi I am android developer. I already build android NFC reader and writer and beam. So using writer i can write simple data on NFC tags and with the help of reader I can read data from tag. Using beam ...
nilkash's user avatar
  • 7,546
5 votes
2 answers
3k views

Making NFC/Beam more automatic

I am adding NFC/Beam capabilities to my app and I would like it to work as automatically as possible. I would like to get rid of the "Touch To Beam" screen from the sender and the "New tag scanned" ...
user306517's user avatar