title: How to check device compatibility for finger print authentication in android
body: <p>I am working with finger print authentication using android 6.0 api. 
  My requirement is, if current device is supports finger print authentication, then I will go through finger print authentication else will use normal way to login the application.</p>
  
  <p>So, any one can tell me, how to check device compatibility for finger print authentication in android.</p>
  
  <p>Thanks in advance.</p>