I'd like to implement a NFC communication between my Android app and a NFC-enabled kiosk. I've read the documentation and I understand pushing data can be done in 2 ways: Via foreground NDEF push...

IllegalStateException: Foreground dispatch can only be enabled when your activity is resumed and IllegalStateException: You must disable foreground dispatching while your activity is still...

I am working on an android application which can read and write on an NFC tag. I have no problem reading a tag which I already wrote something on, but when I use a blank tag I have difficulties rea...

I'm new to NFC technology. Apple hasn't yet opened NFC for developers. Does this mean that 3rd party application can't write data or trigger an action on the device? But is it possible to identif...

Just to be sure and have clarification of that at first, is the NFC of the Smartwatch 3 just an embedded tag or is it a theoretically fully functioning NFC-chip? Hoping it's not just a tag, we wan...

Working with Lollipop, I have a device-owner app that is installed with NFC at provision time. What I need now is to handle automatic updates for my App, from Google Play to rely on the standard An...

I am very new to Android development and NFC in general. I am trying to build an application to read the content of an NFC card where I don't know anything about this card (bus card), I want to se...

As of Android 5.0.0 you can long tap on a WiFi connection and write that connection to a tag ("Write to NFC tag"). You can find the source for that operation here: WriteWifiConfigToNfcDialog.java. ...

I developed a wearable app for Android Wear that read NFC tags. The hardware I used is a Sony Smartwatch 3 modified following instructions on this link: Sony SmartWatch 3 NFC Support Package. Now ...

I see lots of forums that say RFID is different than NFC. I absolutely agree with this as both have different standards and operate on different frequencies. After some further research, I found t...

I write a text to a Mifare Classic 1K tag using the NFC Tools app on my Android device (through the built-in NFC reader). This text is "moretto" (my last name). Then, I'm trying to read this text ...

I've downloaded NFC parts from AOSP and I'm looking for the method used by Android to generate the random UID used by card emulation. My goal is to fix the UID instead of having a different one eac...

I'm using an ACR 1255U-J1 as external reader connected through Bluetooth. The library I use to access the reader is acsbt-1.0.0preview7. I use the following commands to authenticate to sector 1 (bl...

I am dealing with NFC tags. My problem is that I cannot turn off the sound when NFC tags are detected. I started my research and also started getting confused: Turn off device's NFC sound Prevent...

I'm currently working on porting an app to UWP. The app has a page with a "Write to NFC" button. After the user taps it, it waits for an NFC tag and writes a LaunchApp:WriteTag binary message. Wha...

My app uses the foreground dispatch system to allow a user to tap their NFC tag in order to perform a read-then-write operation on the tag. It works nicely if the user taps their tag properly (i.e...

I have been doing alot of research today, about whether or not it's possible to implement NFC printing in an Android app. We have a client who has an HP printer with the NFC feature, and want to us...

While scanning an NFC tag in an application with Foreground Dispatch enabled, onPause() is called before onNewIntent(). Is it possible to get the NFC intent already in onPause() so that I can stop ...

I am working on an app that scans just the UID of MIFARE Classic cards to facilitate attendance registration. I have got it working. However, every time I scan a card on my Galaxy S4, I get a toast...

I can read an 13.56 MHz NFC card with my phone's NFC reader and I get a hexadecimal value like: 1BF52327 This represents the card UID or serial number. What data can I expect from a Wiegand r...

Is there any JavaScript NFC Browser implementation? I am not looking for third party APIs! I would like to read tags from a WebApplication (website) on a mobile phone which supports NFC. How ...

I am new to Android, working on Near Field Communication for reading data from NFC tags. Neither I have NFC supported Android mobile nor NFC tags to test the application I created. I found the bel...

I'm developing a system including NFC tags and Android phone , using unique ID of NFC tags . But don't know what is the differences between 4 types NFC tag . I've found this : "NFC-compatible...

Right now I am having Tablet having OS Android 2.3.3 instead of NFC phone,so I need to connect External card reader to tablet.Please tell me which card reader should I prefer and any driver needed ...

I am trying to configure the NFC chipset on the Nexus 5X (bullhead) or Nexus 6P (angler) to use the UICC as NFC offhost route for AIDs I declare in my OffHostApduService. Edit Jan 17, 2016: I've u...