Enable NFC programmatically on Android device

Question

Hi,

I'm trying to work with the NFC device and I got to the step where I have to enable the NFC programmatically. I've made a lot of research but I couldn't find anything that works. For example, if you want to enable the Bluetooth device on android you will use BluetoothAdapter.DefaultAdapter.Enable(), but for the NFC device, I couldn't find something similar. Do you guys have any suggestions on how can I enable the NFC device programmatically from the android device?

Answer 1

Hello,​

Welcome to our Microsoft Q&A platform!

The NFC is the setting of the device, we cannot disable or enable the function in one application. Instead, you could check if the nfc is enabled, then remind the user to navigate to the setting page if not.

   NfcAdapter nfcAdapter = NfcAdapter.DefaultAdapter;  
   if (nfcAdapter == null)  
   {  
       // NFC is not available for device  
   }  
   else if (!nfcAdapter.IsEnabled())  
   {  
       // NFC is available for device but not enabled  
       StartActivity(new Intent("android.settings.NFC_SETTINGS"));  
   }  
   else  
   {  
       // NFC is enabled  
   }  

Best Regards,

Jarvan Zhang

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Answer 2

XamarinDemoNfc

I written this some years ago. I don't remeber if I turn on the nfc programmatically... you can take a look