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Questions tagged [android-biometric-prompt]

For questions about Android's BiometricPrompt API feature used for biometric authentication.

Reference:

211 questions
37
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1 answer

Android emulator face recognition

Is there any way to test android face recognition provided by BiometricPrompt on an emulator? I know of the command: adb -e emu finger touch but this is only for fingerprint authentication.
AdamN
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2 answers

Android BiometricPrompt: Cannot resolve symbol PromptInfo

When I copied the following code from this developer.android.com tutorial about adding biometric authentication in your android app: BiometricPrompt.PromptInfo promptInfo = new BiometricPrompt.PromptInfo.Builder() …
Vansh Arora
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16
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1 answer

BiometricPrompt crashes on Samsung S9 with Face unlock

I am using the new BiometricPrompt API in Android P (API 28) in my application. (I am actually using it inside a wrapper based on this project so that it functions on older devices too, but that is not relevant to the question.) This is working very…
Moshe Katz
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15
votes
1 answer

KeyGeneration using AndroidX.Biometric fails if only face as biometric is installed

we are currently trying to sign data with biometrics, which we use the androidx.biometric library for. The Problem is, if no Fingerprint ist installed but a face registered we cannot generate any keys. With Fingerprint only or with the combination…
Langohr
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12
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1 answer

Which Android device has BIOMETRIC_STRONG (Class 3) face authentication?

I have implemented biometric authentication in my application with biometric level BIOMETRIC_STRONG (Class 3). The fingerprint authentication is working as expected but I couldn't able to test the face authentication on any of my devices (Samsung…
Suneesh Ambatt
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12
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5 answers

Can we get face-id in react native for Android devices?

I was implementing biometrics in my app for authentication. I am using react-native biometrics for it. Every things working good just one stucked. Face-id is not working in Android. I did a lot of googling but unable to find some satisfactory…
Bhaskar Joshi
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12
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4 answers

How to make BiometricPrompt non-cancelable?

I am using BiometricPrompt in my application. It works well and shows the dialog when call the authenticate() method. But this dialog gets closing when I click outside the dialog. How to prevent it? How to make BiometricPrompt's dialog…
BArtWell
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12
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3 answers

Android crashed after updating androidx biometric to 1.0.0-alpha04

Everything works fine with 'androidx.biometric:biometric:1.0.0-alpha03', however when I build my project with the latest 'androidx.biometric:biometric:1.0.0-alpha04' and call myBiometricPrompt.authenticate(promptInfo) it throws this exception:…
chabislav
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10
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4 answers

Face Authentication using androidx Biometric API in Android

I need to integrate Biometric authentication using Fingerprint and Face authentication. Fingerprint authentication works perfectly but when I set only Face authentication I am getting Biometric not enrolled response from…
Vijay Patole
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10
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2 answers

BiometricPrompt iris and face prompt is not working with Crypto object authentication. #AndroidX

Issue Biometric authentication iris and face-detection is not prompting with biometricPrompt.authenticate(**crypto**, promptInfo) call. Source reference: Securing data with BiometricPrompt (19 May 2019) One Biometric API Over all Android (30…
CoDe
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10
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1 answer

FragmentManager is already executing transactions when Executing biometricPrompt?.authenticate(promptInfo) inside a Fragment

If you create biometricPrompt and promptInfo in the activity, it works fine. But I can't manage to make it work inside a fragment. This is inside of a fragment and it gets called inside OnViewCreated. You do the same inside an activity it works…
WinterChilly
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9
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1 answer

What is the USE_BIOMETRIC permission needed for?

The documentation for the USE_BIOMETRIC permission says Allows an app to use device supported biometric modalities. But AndroidX's BiometricPrompt works without this permission. So what exactly is it needed for?
Florian Walther
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8
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1 answer

Android Biometric Prompt is not dismissed when device home button is pressed

When Biometric prompt is shown in App with setDeviceCredentialAllowed(true), It is not dismissed when device home button is pressed. It throws BiometricPrompt.ERROR_USER_CANCELED error and keeps the System UI as is. Did any one face this issue ? Is…
Shanker
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8
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1 answer

Android jetpack biometric DeviceCredentialHandlerActivity exported=true really needed?

I implemented the new biometric lib using setDeviceCredentialAllowed(true) as shown in the official documentation In this lib there is an activity being used "DeviceCredentialHandlerActivity", this activity has exported=true in the manifest, why is…
David
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8
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6 answers

Check if devices has biometric enabled with androidx biometric prompt

In Android BiometricPrompt prompt has replaced the deprecated FingerprintManager. FingerPrintManager has two functions hasEnrolledFingerprints() and isHardwareDetected() to check if the device supports fingerprints and if the user has enrolled any…
Stephan
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