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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 Test a BAD fingerprint in Android Emulator?

Doing research for my team. I see how to add a fingerprint in Android Emulator and sent a good event. adb -e emu finger touch What if I want to test a BAD fingerprint? Thanks
John S
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Android Keystore?.getKey returns null on some devices

I'm implementing fingerprint authentication in my application. I faced the problem that in doesn't work properly on some devices and my application crashes. Nevertheless, it works on some devices too. The issue is in this line val key =…
menefrego
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Fingerprint authetication of multiple users

I am a beginner in android development.I want to create an application having Finger authentication.I want to register multiple users(50) finger prints using finger sensor of phone.Also i want to authenticate it when user logins.Can anyone help us?
Mariya
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2 answers

android fingerprint sensor API

for a project at work, I'm trying to get the status (working or defective) of a fingerprint sensor on android devices to see if it works properly. I'm using the "isHardwareDetected" function in this android 6.0 API (APK 23). Does anyone knows how…
Maor Gershkovitch
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Does the Android Fingerprint API support externally connected USB fingerprint scanners?

I want to make an android app that easily connects to off-the-shelf USB fingerprint scanners. I am not sure if the android.hardware.fingerprint supports externally connected devices. Or is it only for internal scanner? Can anybody please…
Shubham Deshmukh
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Android use fingerprint scanner as biometric device

We want to use the in-built fingerprint sensor to capture fingerprint. We don't want to validate it or run a fingerprint matching algorithm. We just want the fingerprint data which will be sent to the server for storage purposes(even here we don't…
prash32
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Samsung pass sdk change standby text in fingerprint dialog

I'm using pass sdk v1.2.1, according to programming guide there is a method to change the standby text showing in the fingerprint dialog. The guide say that you have to check if the feature Spass.DEVICE_FINGERPRINT_AVAILABLE_PASSWORD is enable to…
leobelizquierdo
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java.lang.RuntimeException: Failed to init Cipher using FingerPrint

I am using fingerprint sdk and it always crash on it. java.lang.RuntimeException: Failed to init Cipher at…
Muhammad Ahsan Maqsood Awan
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Crash on below 6.0 OS after opening my app with fingerprint support

i added fingerprint support in my app. for that i used the below code. Fingerprint fingerprintManager = (FingerprintManager) getSystemService(FINGERPRINT_SERVICE); and i successfully integrated fingerprint with my app in 6.0 OS versions. but…
Happy
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FingerPrint API isHardwareDetected always returns false

I am using my Samsung S5 G900F(API 23, ANDROID 6.0.1) to test the latest Android Fingerprint API. I tried to build Google Sample project https://github.com/googlesamples/android-FingerprintDialog But I am facing some problems…
Faisal Khalid
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How to detect a fingerprint reader in Android Samsung Galaxy Note 4?

I'm trying to add FP authentication to my app, and for some reason it doesn't work on Note 4, while it does work fine on another Samsung devices (e.g. Galaxy S7) as well as on Nexus devices. I do have Marshmallow 6.0.1 installed on that Note 4. Here…
Eugene Yamnitsky
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1 answer

Android Fingerprint Authentication: Crypto primitive not initialized

I implemented Fingerprint authentication inside the application which was working fine a week ago. No changes to the code and I am now getting the following error: FATAL EXCEPTION: main Caused by: java.lang.IllegalStateException: Crypto…
Mike Littman
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Detect separately for availability of fingerprint and face authentication biometrics

My requirement is that if face authentication is available in user's phone, I'll prompt the user for enabling face recognition, and I won't prompt for fingerprint authentication. But if face authentication is not available in user's phone, or if the…
Sparsh Dutta
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Android Exception in FingerprintService

dalvik.system.VMStack.getThreadStackTrace VMStack.java, line -2 android.os.RemoteException: Remote stack trace: at com.android.server.fingerprint.FingerprintService.isForegroundActivity(FingerprintService.java:1243) at…
Pratik Kukadia
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BiometricManager on Android 9

Android 9/Android P (API 28) is said to support facial recognition via BiometricPrompt. All of the tutorials that I've read use BiometricManager for detecting Facial recognition support - but this class wasn't added until API 29 (Android 10/Android…
steve hannah
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