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Questions tagged [android-biometric]

128 questions
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How to display a cancel button when user selects alternative screen unlock method in BiometricPrompt.promptinfo

I am trying to use BiometricPrompt for app authentication. When the user launches the app, the biometric prompt is displayed, if the user wishes to use the PIN/Pattern/Password, they can do so by selecting the option to go to the pin prompt (as per…
AashishKSahu
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How to check if device has fingerprint hardware/sensor and fingerprint is enabled or not in android using BiometricManager

I want to integrate Biometric detection in my app. I want to check 2 condition before show the BiometricPromt authentication to the user: Detect the Biometric sensor/hardware available or not in the device. Detect any Biometric is enrolled or not…
Menu
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Biometric Authentication in jetpack compose

In my Android app, I have an activity that extends ComponentActivity and includes multiple Jetpack Compose composable functions. One of these composable functions is accessed by the user, and I want to show a biometric prompt for fingerprint…
Adev
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Biometric Prompt from background?

I am trying to launch a biometric prompt from the background. Basically I added a piece of code to the SystemUi of AOSP and any app can make a request to the SystemUi to have this biometric overlay show up. But now I am migrating from the…
Markusbug
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Need to get android supported biometric types

I wants to get supported Biometric type user can authenticate. val biometricManager = BiometricManager.from(this) when (biometricManager.canAuthenticate()) { BiometricManager.BIOMETRIC_SUCCESS -> { //In here I needs to get the…
Imesh Madushanka
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How do you disable biometric login from your android app?

I've enabled biometric login for my app, but I don't know how to disable it for my app, other than go through setting on the device and turn it off for each app. BiometricManager doesn't have an api to do this.
Kristy Welsh
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Detecting fingerprint changes in an Android application without calling the device biometric prompt

I am trying to develop a function in my Android application that will alert me when a user changes the device fingerprint without having to call the device biometric prompt. I have attempted this using a biometric library in my code. I only…
Amjad Almgati
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Keystore operation fails after Biometric Operation despite success method called on callback

I am attempting to perform a signing operation with a secret key that can only be used after user authenticates with their device biometrics. I have the logic like this val mac = initMac(keyAlias) val biometricPrompt =…
Oyebisi
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Don't check face Id scan in local_auth package flutter

How to disable face Id scan in local_auth flutter for Android. Athenticate with only fingerprint. Or can i do it on native Android side On android settings if registered FaceID and Fingerprint by default it's check faceid but i won't use only…
Hikmet Mikayilov
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Unlock a mobile app using refresh token by biometric login

wondering if anyone could help me What I know about the relationship between biometric authentication and refresh token is as follow: After the user finishes signing in, I receive tokens from the server, I store the refresh token in local storage…
Phạm Ánh Cẩm Nhung
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Flutter : how to scan external biometric device like mantra morpho secugen for services LIKE AEPS

Required finger print data in xml format which device will send auto. needs to attach and call device, very new to flutter. i have done this in website using javascript.
dharmx
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How to register biometric fingerprint in flutter app

Is there a way to register user biometric directly from flutter app?
A.Badawy
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How to get if user click on use patterns button or user moves to patter pin screen from biometric prompt with Flutter - local_auth?

Is there any way we can detect when user navigate to password/pin screen when clicking on use patterns button or when system redirects them after some wrong attempts?
user3066829
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Integrate Biometric for existing application

I’m a beginner engineer, all I want to know is how we can integrate biometric authentication to existing projects. I’m aware of the biometric authentication process and tried as an example and it worked out . Please show me a way to find this one.…
Ding ding
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setInvalidatedByBiometricEnrollment does not throw exception with fingerprint added or removed

I would like to remove credentials if any of current fingerprints are removed or new one is added after the app setup biometric. Creating key like: private Key getKey(String KEY_ALIAS) throws GeneralSecurityException, IOException { …
Maihan Nijat
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