Is it doable to collect user fingerprint with android?

Question

Is it doable to collect user fingerprint with android? Our backend system has a fingerprint database. We\'d like to match the fingerprints collected against database to see

Answer 1

It is possible to do so with an External Fingerprint Scanner.

By External Fingerprint Scanner I am referring to a Fingerprint Scanner that you can use besides the default Fingerprint Scanner that ships with your Android device.

As for an External Fingerprint Scanner, a USB based Fingerprint Scanner would suffice for your use case.

To capture Fingerprint Images which you can send to your Backend System Database from where you can Save them and Compare them with other Fingerprint Images captured by e.g. a Computer, your onboard Fingerprint Scanner would not suffice for such a use case as is mentioned by @Michael's answer. This is where an External Fingerprint Scanner would be your best bet.

To introduce an External Fingerprint Scanner to work with your Android device, you would need to get an OTG cable to interface the USB Fingerprint Scanner to your Android device.

Thereafter, you would have to get the Fingerprint Scanner's Android Biometric API to code an Android Application that can make calls like Fingerprint Capture, Fingerprint Enroll and Fingerprint Authenticate to the Fingerprint Scanner so that you can be able to capture the Fingerprint Images for Biometric Enrollment and Biometric Authentication.

It would be essential to make sure that the relaying of Biometric Fingerprint data over a network to the System Database for Storage or Authentication is happening over a secure dedicated VPN connection after it has first been encrypted before being send over the network that links up the Android device and your Backend System.

Important: Not all Fingerprint Scanners come with Android Biometric APIs that can help you implement Android Biometric Fingerprint Capture or Android Biometric Fingerprint Enrollment. You will need to check that first before you settle on a unit Fingerprint Scanner for your Android Biometric Integration project.