title: Is there a way we can find the number of available fingerprints in device
body: <p>Is it possible to retrieve the number of available fingerprints in an Android device. </p>
  
  <p>I want to do some functionality when number of fingerprints changes in the device.</p>
  
  <p>For that I have to retrieve the number of fingerprints in the device first.</p>
  
  <p>Can anyone suggest how to do that.</p>