1. J


    Hello Everyone! I need help to implement an NFC communication with NTAG5 (ISO15693) with custom command in B4I. I have succeed in B4A using TagTechnology in the NFC library. In a thread dating for 6 oct 2020, Support for latest NFC-v ISO15693 tags Erel said: See NFCEx code. With some Objective...
  2. A

    Android Question Why B4A Application creates two shortcuts

    Hello, I made an NFC Mifare wrapper, but when I generate the application in b4a it creates two shortcuts this is the manifest file that I use 'This code will be applied to the manifest file during compilation. 'You do not need to modify it in most cases. 'See this link for for more information...
  3. M

    Android Question nfc hce library

    nfc hce library to emulate rfid tag like mifare
  4. pedram ghaneipour

    Android Question Error in Read Write Mifare Clasic Sector 2 and biger

    hello i can read block 0 and 1 and 2 and 3 of sector 0 from mifare clasic 1k s50 1- but when i want read sector 2 or more. it have Error 2- i cannot write on mifare my code is: Sub Activity_Resume 'ok Try nfc.EnableForegroundDispatch Dim si As Intent =...
  5. V

    Italian Lettore NFC esterno via USB in B4A

    Ciao a tutti, avrei necessità di una libreria per comunicare con un lettore NFC (ACR122U) da android su B4A. Ho cercato nel forum, ma non ci sono librerie disponibili e né suggerimenti. Potreste aiutarmi? Grazie in anticipo ^^
  6. chardenal

    Android Question NFC-V

    Hello, I have tried Nfc library and a tag type 4 "Ndef" ISO/IEC 14443 , it works perfect. Now, I have an other tag, but it is the type 5 "NFC-V" , iso 15693. But the object are different than Ndef, and I don't find the solution to work fine. Is it possible to have an example for NFC-V (as...
  7. M

    iOS Question Read and write mifare tag

    Hi everyone, it’s possibile with b4i ti read mifare tag? I found out this on Apple: thanks if someone would answer.
  8. walterf25

    iOS Question NFC Tag Reading in Background

    Hi all, according to the NFC Core documentation for xcode 13, it is possible to enable NFC Tag reading in the Background. Would it be possible to implement this with B4i and native objective...
  9. walterf25

    iOS Question iOS Capabilities (Associated Domain, Near Field Communication Tag Reading)

    Hi, i'm working on an NFC library based on the latest released iOS 13, i've been having some issues with reading regular NFC tags, i have followed apple's documentations to the letter but haven't been able to get the library work. I added all the expected keys and values to the info.plist and...
  10. walterf25

    iOS Question NFC Tag Reader and Writer Library

    Hi All, i know there probably aren't too many B4i developers that know how to wrap iOS libraries, but I was wondering if those who can, if they would be able to help me out. I have been working on wrapping parts of the new NFC framework introduced in the newest iOS 13 version, I know Erel wrote...
  11. walterf25

    iOS Question iOS 13 NFC Writing

    Does B4i support the new changes that came with iOS13 for NFC writing and reading, i know there's already a library for reading, but if a library is written to
  12. I

    Wish NFC Tag emulation

    Hi All It would be nice, if we can have NFC tag emulation on iOS. This feature will compliment the NFC functionality that we have using B4A and makes it possible to create NFC enabled apps for both platforms. Please have a look at this...
  13. I

    iOS Question NFC Tag emulation

    Hi All Is there a library available for this: Thanks iCAB
  14. walterf25

    Java Question Extends Service Library

    Hi All, i am currently working on a NFCEmulator library wrapper, i found a full project online which emulates an NFC card and another project that acts as the reader, i have been able to run both of these projects with Android Studio and they both seem to work as expected. Now i am trying to...
  15. I

    Android Question NFC Tag emulation

    Hi There I have a requirement to store a user ID in the app to be scanned by an NFC reader. Our app, should behave no different than any other tag being scanned by the reader. So we need to emulate the tag ( for the ID part only, at the moment ) What is the best way to make the phone act as an...
  16. F

    Android Question Communication between Phone and ACR122U - NFC

    Hi everyone. I am trying to send a message/text/file using NFC between my cell phone and read that information in my NFC reader. but I am not able to do it, following some post, I can read and write labels using my phone, but cannot send it to reader, do you know if it is possible? I tried with...
  17. M

    Android Question Android tutorial - NFC reading and writing: Error occurred on line: 38 (Main)

    I have downloaded the file from here I try to run it and I get an error on line 38. How can I solve this? Logger connected to: emulator-5554 --------- beginning of main --------- beginning of system ***...