Fingerprint scanners are pretty common in modern hardware both from Apple and some Android vendors. The problem is that the iOS and Android API’s for accessing them are a world apart. However, it’s possible to find some low level common ground which is exactly what our cn1lib for fingerprint scanning accomplished.
This is a very basic API that just validates the user as the owner of the device, it’s useful to lock off portions of the application from a 3rd party using code such as:
Shai is the co-founder of Codename One. He's been a professional programmer for over 25 years. During that time he has worked with dozens of companies including Sun Microsystems. For more follow Shai on Twitter & github.