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[–] 1 point 2 years ago* (2 children)

It doesn't send a yes/no signal it sends the fingerprint to be compared to the stored one

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  • [–] 2 points 2 years ago* (1 child)

    https://developer.android.com/identity/sign-in/biometric-auth#display-login-prompt

    The app gets either the onAuthenticationSucceeded or onAuthenticationFailed callback. It doesn't get the fingerprint.

    Edit: I think we are misunderstanding each other, I'm saying that apps never see the fingerprint. The OS does, depending on the device.

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