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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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I want to integrate NFIQ sdk in my Android App

I want to integrate following NFIQ sdk in my Android app but cannot find any solution. Any help regarding this will be appreciated: https://github.com/usnistgov/NFIQ2 Thanks.
Junaid Javed
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How to dismiss the BiometricPromptDialog after timeout in android?

I'm creating an authentication service where the user must use the fingerprint sensor of the smartphone. I saw that android uses the BiometricPrompt APIs, but there's only one problem: I don't know how to set a timeout that dismisses the dialog…
AndyShoes
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How can I get to identify the storage ID of authenticated finger through reflection in android

I am a novice developer trying to creating an android app to be used by different users on one single device. I intend to use fingerprint authentication to quickly identify the different users. So I have registered the different users fingerprints…
timk
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FingerPrint Authentication in Xamarin form

I am having a login form and implementing fingerprint authentication. I have the following code but the app crashes suddenly. Button in xml file:
user
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Two different SHA1 fingerprints from Idea and cmd

Am getting two different SHA1 fingerprints from IDEA by running signing report task and from cmd using the keytool -list -v -keystore command. What could be causing this? Is this normal? And if it is, which one do I use to get an API key?
Robert Mwinga
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How to attach external fingerprint scanner with USB in react native for android application?

I am working on an application related to attendance, where multiple employees can mark their attendance on a single android phone. I want to attach an external fingerprint scanner with USB. I am building my application in react native. I got the…
FAROOQ AZIZ
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mKeyStore?.getKey("default_key", null) is getting null in Kotlin

I have tried a fingerprint authenticator in Android. And initially it is working and that was in Java. And I am now porting the code to kotlin. This time something is not working for me. try { mKeyStore =…
noobEinstien
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Fingerprint scanner triggers home action on Huawei P10

I'm using FingerprintManager / BiometricPrompt (depending on Android version) to get access to KeyStore. Yet on phones that have single capacitive key for "Home" and scanner (like Huawei P10) calling fingerprint scanning functions mentioned triggers…
ssuukk
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http api request with captured fingerprint data

Am building a platform to replace making use of secret pins to authenticate user's permission. Would love to know how I can make Http request with captured fingerprint data in a flutter to return a response in updating a UI. url =…
kalango michael
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Is there a way to find the Project ID from Google Developer console?

I am working on one of the app, which we received from our implementation partners. I noticed that, while migration, they were not able to provide the Project ID associated with one of the app. As we have N number of apps in API console (Google…
Android4Fun
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Fingerprint Manager or Biometrics for Android M and above

I want to know which one is better to use, Fingerprint Manager or new Biometrics introduced in Android pie 9. I have created a chat app, and I came across this feature called Fingerprint Manager. While I researched on it looking Android…
Shashank Verma
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how to track time remaining to retry fingerprint login in android?

I am using FingerPrint Manager for fingerprint login in my app. I found that after successive 5 failed attempts, the sensor gets disable for the 30 sec. Is there any way I can track time remains to restart sensor, so that even if the current app is…
Shubham srivastava
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Android Face recognition and fingerprint authentication offline SDK

I am looking to develop face a recognition and fingerprint authentication based attendance Android Application. I need face recognition SDK and fingerprint SDK with offline support too. Please help me If you know any third party or native SDK…
lemuriyan
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Does The Fingerprint Scanner Generate The Same Key For The Same Finger?

I was looking at the fingerprint documentation and I see that you cannot log a 'finger'. Instead, you have to have a key generated from the TEE that authenticates the application lock. What I was wondering was if the key generated was unique every…
Gorgochef
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How to add Fingerprints programmatically

I want to add fingerprint of 60 - 100 students. Then use it to mark their attendance by scanning their fingerprint daily when they enter the class. Is it possible to add fingerprints programmatically? Its ok if it goes to the settings page; but I…
Jhonny Jester
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