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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).

323 questions
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How to determine if fingerprint sensor can be used?

I'm working on an app that uses fingerprint as an authentication method. When the user tries to log-in the app displays a dialog and starts listening to the fingerprint sensor. The issue I'm having is that the sensor will be blocked by the system…
Spaci Tron
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How to know if lock screen is protected by finger print authentication

How can i check if the lock screen is protected by finger print authentication not with password or pattern or etc, right now i'm using this but its returning true even if lock screen is protected by password keyguardManager.isKeyguardSecure()
blackHawk
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Enroll Fingerprint with standard ISO/IEC 19794-2 in Android

I'm developing a Digital Signment with authentication for fingerprint. I'm analazing use the scanner integrated of cellphone for enroll the fingerprint. But, I have to handle fingerprint with Standar ISO/IEC 19794-2. And I don't know how Android…
Franco Aronne
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getting error in backpress when using createConfirmDeviceCredentialIntent()

I am using createConfirmDeviceCredentialIntent() for pin authentication in my android application. If I press back button from my pin authentication intent, the createConfirmDeviceCredentialIntent closes and it displays main activity. I want that…
Raj
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Is it possible to get Android Fingerprint hashcode?

Is it possible to get Android Fingerprint hashcode ? Or can I get any kind of unique information fingerprint to send it to server and use it for future comparing ? And also can anyone sugest a good documentation for Fingerprint and Keysore (…
abrutsze
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How can I get the fingerprint byte data by using Nougat's API?

I want to get fingerprint byte data using android 7 api . For that I am following this tutorial : Fingerprint API Tutorial In this tutorial I have goth directions to authenticate the user using fingerprint using fingerprint api . public void…
Christopher Marlowe
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Android Maps API - FIngerprint BUg

I have create android application with google maps android api key, i have changed the api in manifest and restricted the api on application with fingerprint and packagename, the application manifest say…
Marcus J.Kennedy
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How to add fingerprint to my app independently to the fingerprints in the system?

I want to develop an Android app that uses a fingerprint as authentication.   I found many tutorials use the fingerprints which are stored in the system where fingerprint screen lock must be enabled also. But this doesn't make sense to lock your…
nuha
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PrivateKey not invalidated on enrollment

have you experienced the case when Android Fingerprint APIs are behaving in the not expected way? The issue I have is when I generate PrivateKey with given attestationChallenge and userAuthenticationValidityDurationSeconds for data signing.…
Toochka
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Is Fingerprint authentication is as good as modifying Shared Preferences?

I am adding fingerprint authentication in my app at launch I read a boolean variable from preferences to decide if fingerprint authentication is enabled or not. I am wondering how easy it is to modify shared preferences of another app. Seems like…
M-Wajeeh
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How to detect the removal fingerprint in Android?

I am currently doing research on Android fingerprint API. As I have cloned the fingerprint sample, 'FingerprintDialog' https://github.com/googlesamples/android-FingerprintDialog There is a mechanism for checking if new fingerprint is added to the…
Samhell0202
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Once there is a fingerprint on the fingerprint scanner do something

I am creating an android app using Xamarin. I want putting a fingerprint on the scanner to be the same as pressing an on screen button, once there is a finger on the fingerprint scanner I want to execute some code. is this possible and if so could…
Kevin
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Is there a way we can find the number of available fingerprints in device

Is it possible to retrieve the number of available fingerprints in an Android device. I want to do some functionality when number of fingerprints changes in the device. For that I have to retrieve the number of fingerprints in the device first. Can…
Sumit.K
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How to get results for fingerprint authentication in previous activity?

I've been working at this for quite awhile and can't figure it out, even though I thought it would be relatively easy. I am using Android's FingerprintManager to authenticate users via their fingerprint and it has worked very well. The issue is that…
steven
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Link fingerprint data with a physical fingerprint data

Im developping an application with android studio, the application is for attendance using fingerprint and I want be able to register fingerprint of users using a desktop application and the fingerprint will be registered from a physical fingerprint…
coolbeatz71
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