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Questions tagged [android-fingerprint-api]

Questions regarding the use of the Fingerprint Authentication API, introduced in Android 6.0 Marshmallow (API level 23).

318 questions
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Which Samsung devices do not support android's native fingerprint API?

I'm assuming that no phones with OS before marshmallow support the fingerprint API. My questions are: (a) Do all/any Samsung phones released with marshmallow support android fingerprint API (b) Does any Samsung phones whose OS is upgraded to…
ColonD
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UserNotAuthenticatedException during FingerprintManager.authenticate()

I have an encrypted password stored in the Android KeyStore. I want to decrypt that password by authenticating the user using the fingerprint API. As far as I understand, I have to call the FingerprintManager.authenticate(CryptoObject cryptoObject)…
muetzenflo
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Huawei P9 lite fingerprint support

Do you know if Huawei P9 lite does support Fingerprint? Is it possible to use Android 6.0 Fingerprint API or is it supported through some custom proprietary API (Huawei SDK)? We are evaluating to buy some smartphones and we would like to know how…
systempuntoout
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Android Key Store API 23, use setUserAuthenticationRequired without Fingerprint Scanner

I've tried to generate a key pair using the Google sample (BasicAndroidKeyStore). The only modification I made is setting the setUserAuthenticationRequired(true) in the KeyGenParameterSpec.Builder. I assume it would work fine on a device with the…
kmalmur
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Android nougat USE_FINGERPRINT permissions

I'm trying to implement the fingerprint and not sure if it's an issue but on Android Nougat the permissions for the USE_FINGERPRINT is never asked. So I never get the dialog popup. I have the implementation for ACCESS_FINE_LOCATION and it works (the…
returnvoid
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Android O - fingerprint gesture callback not working

I am testing on Pixel device with Fingerprint Gestures ON from accessibility. I am trying to get the gesture callbacks using FingerprintGestureController but never getting any gestures in return even after I turn the accessibility ON for this app…
user531069
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4 answers

How to check user's Bio-Metric Preference through 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 with this new BiometricPrompt Api user can get…
Nirav Bhandari
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Android - Where and how securely is fingerprint information stored in a device

I have been reading quite a bit about fingerprint sensors and their growing presence in smart phones. I understand that at the basic level, there is a digital image that gets registered and it serves as a template for authentication. I understand…
Hells Guardian
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Android Fingerprint only allows 5 attempts at a period of time

I am developing an Android App that requires fingerprint to open an Activity. I just noticed when I unlock my phone using my fingerprint, the number of attempts to scan a fingerprint in my app only becomes 4. For example: Phone is unlocked Unlock…
Dale Julian
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Will Samsung support Google's fingerprint API from Marshmallow?

Is there any information available on whether Samsung's Marshmallow update will use Google's new fingerprint API or keep to using their custom SDK or both? I see that they have started rolling updates to beta testers, but these are not available in…
kos
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3 answers

Register user fingerprint in an android application

I want to make an android application, which registers user fingerprint (from device's fingerprint scanner) and stores it in a data structure or in key store provider, next time user put his fingerprint scanner, he should be authenticated from the…
Rohit Saroha
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1 answer

"FINGERPRINT_ERROR_CANCELED" error in custom view android

i am trying to implement finger print to unlock or remove the locked view by finger print authentication using existing enrolled finger prints by sensor to show contents further but fingerprint authentication working fine in normal activity but not…
Muhammad Natiq
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How to generate KeyPair in android KeyStore, protected by custom password

I have app which uses Fingerprint and 4 digit pin (which can be set by user in application settings, this is not system pin/pattern/password) authorization. With Fingerprint everything is fine, I have problem with pin. What I'm trying to do is: Let…
Dadroid
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3 answers

get android release Certificate Fingerprints

I am using Android Studio on Mac El Capitan. How do I get the release Certificate Fingerprints? I need it for Firebase. I am not sure exactly how to get it.
Katedral Pillon
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How to set a fallback method if fingerprint does not work

I recently moved my project to AndroidX and while implementing fingerprint for the app I am using the Biometric for AndroidX. implementation 'androidx.biometric:biometric:1.0.0-alpha03' When a dialog is displayed to use fingerprint for…
nibz
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