title: How get Android Phone UID in NFC
body: <p>I need to know how to get the phone UID when read by an NFC reader. The reader has to uniquely identify my phone so that it can be used to open a door.</p>
  
  <p>Do you know if this is possible? I've been looking and have not found how.</p>
  
  <p>In the event that it isn't possible, what do you recommend?</p>