Android BiometricPrompt

By Brian Gardner on Feb 05, 2019


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Since Android Marshmallow, we've had the FingerprintManager class which allows us to access the fingerprint hardware and allow the user to authenticate if they have a valid fingerprint enrolled on the device. As of Android P, the FingerprintManager is deprecated in favor of the BiometricPrompt API.

The reason for this is there are other types of biometric unlock options coming to Android, such as face unlock and iris unlock. The BiometricPrompt seeks to generalize the fingerprint unlock so that it can be applied to these other options in the future. The good news is, if you have used the FingerprintManager before, the BiometricPrompt implementation will be a breeze since the APIs are so similar.

In a previous screencast, we covered how to implement fingerprint unlock using the FingerprintManager. In this screencast, we’ll quickly review that implementation and then dive into setting up your application to use BiometricPrompt.

For the More Curious...

FingerPrint Authentication - Part 1
Better Biometrics in Android P
Android BiometricPrompt
BNR Guide to Android
Android & Kotlin Courses

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