how to connect external biometric device with xamarin

Question

Hi!! 

       I am developing an android application in xamarin android, i want to connect a biometric device with my application with which i want to take users fingerprints and save it in the local sqlite database as well as on main oracle database, i am quite new to Xamarin and C# and really don't have any idea to implement it. Any help will be appreciated.

 

Thanks in anticipation.