1## Biometric HALs ##
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3
4## Overview: ##
5
6The interfaces within the biometrics.* HAL tree are used by the Android Biometric Services
7(e.g. FingerprintService, FaceService) to discover and operate biometric sensors on the device.
8
9More details and versioning information can be found within each particular HAL.
10
11More complete information about the Android Biometric HALs and subsystem can be found at
12[source.android.com](https://source.android.com/security/biometric).