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Questions tagged [android-biometric-prompt]

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0answers
13 views

Using Android BiometricPrompt or FingerprintManager with password fallback

I'm trying to create Android app with secure access to keystore with biometrics. I'm using this samples: https://developer.xamarin.com/samples/monodroid/FingerprintGuide/ https://developer.xamarin....
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votes
1answer
54 views

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....
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0answers
31 views

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 ...
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0answers
8 views

Throws user is not authenticated to access the Keys in KeyStore in Samsung S10

I am using Biometric API to access my Keystore. To access the keystore, I have enabled setUserAuthenticationRequired to true. When accessing the Keystore, I will call the biometric api and ...
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0answers
28 views

How to check user's Bio-Metric Preference throgh Biometric api?

As we all know, from android 9.0, android introduced BiometricPrompt Api to provide standard authentication experience across growing range of biometric sensors (E.g Fingerprint,Face ID etc). Now ...
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2answers
57 views

Jetpack's BiometricPrompt (androidx.biometric.BiometricPrompt) throws NullPointerException

I'm using androidx.biometric:biometric:1.0.0-alpha03 in a test project and when pushing the negative button I always get the following error message: java.lang.NullPointerException: Attempt to invoke ...