Questions regarding the use of the Fingerprint Authentication API, introduced in Android 6.0 Marshmallow (API level 23).
Questions tagged [android-fingerprint-api]
323 questions
1
vote
0 answers
FingerprintAuth undefined in NativeModules
I am using react-native-touch-id. iOS works fine but got issues with the android.
TouchID.authenticate()
.then()
.catch(error => {
});
The above snippet gives
TypeError: Cannot read property 'authenticate' of undefined
When I dig into the…

snjmhj
- 1,001
- 11
- 21
1
vote
1 answer
Using fingerprint reader against external authentication
I understand the Android/iOS biometric subsystems are not designed for exposing 'finger print ids' outside of their proprietary internal APIs used for unlocking the device, etc.
However, can the sensor itself be used to collect finger print data to…

Jeremy Smith
- 1,349
- 8
- 15
1
vote
3 answers
Android fingerprint scanner is not recognised
I have a device which has a fingerprint sensor on a home button. Other applications seems to recognise and handle it properly however the application I am building is failing at couple of steps:
I am using…

antanas_sepikas
- 5,644
- 4
- 36
- 67
1
vote
1 answer
Creating an Android Attendace Monitoring application using biometrics that connected in PHP
we were looking for a proof if our project is possible to create..
our project is entitled "Android and Web Based attendance Monitoring with SMS Notification using Biometrics"
The student will use the android phone version 6.0 - 6.0.1 for taking…

John Aldrin Tayag
- 49
- 5
1
vote
1 answer
Detect fingerprint sensor taps in app?
I want to use the fingerprint sensor on the back of my pixel 2 to press a button in my app when I tap on it.
I found something for it in the docs but it looks like it only reports swipe input and not tap input:…

CornSmith
- 1,957
- 1
- 19
- 35
1
vote
0 answers
Issue with Android Fingerprint integration {KeyGenerator.init, KeyGenerator.generateKey}
Im trying to integrate Fingerprint in one of my android applications.
To generate a key by user authentication i’m using the below code
KeyGenerator generator =…

iOSTech
- 77
- 1
- 8
1
vote
1 answer
Can you find the fingerprint type(ex. index finger, middle finger etc.) using the fingerprint sensor on Android?
Is it possible to recognise the fingerprint type(index, middle, thumb etc) by using the fingerprint sensor API? Does android lets you access the fingerprint data for comparison with other fingerprint types and let's you determine the type of the…

fortyseven
- 19
- 4
1
vote
1 answer
How to add fingerprint authentication on under marshmallow devices
Sir, i am trying to add fingerprint authentication in my app. I have Coolpad note 3 lite mobile which support fingerprint authentication and it is running on Android version 5.1 Lollipop. But the problem is how can i authenticate fingerprint in…

Top In India
- 15
- 4
1
vote
1 answer
getFingerprintGestureController is returning null
I'm trying to create an accessibility service that listens for fingerprint gesture swipes, however when I try to detect if gesture detection is available (using the isGestureDectionAvailable method), my app crashes and gives me a null object error,…

Matthew Steinhardt
- 322
- 4
- 17
1
vote
1 answer
Implemented Finger Print Authentication in Application with signature
I am getting the issue when running the application below android 6.0
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
KeyguardManager keyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
FingerprintManager…

Amit Verma
- 391
- 2
- 18
1
vote
1 answer
How to search by fingerprint in Android
I want to create an Android app that search by fingerprint for users.
Every user will have account, I want store the fingerprint of every user in database and when I read any fingerprint I will search in my database for user how has this…

Ahmed Saeed
- 13
- 4
1
vote
1 answer
Removal of Fingerprint not triggering InvalidKeyException for Fingerprnt Authentication
I am facing issue with Fingerprint authentication, actually, I have integrated Fingerprint Authentication in my app and working fine except one case.
I have set up two Fingerprint in my device, after initializing KeyGenerator with Fingerprint KEY,…

SathishKumar
- 1,644
- 1
- 14
- 28
1
vote
3 answers
SecurityException while checking if fingerprints are enrolled in Samsung Phones
I am using a lockscreen with fingerprint in my app. While it works seamlessly with other phones having fingerprint sensor, samsung users are facing some SecurityException as I can see in my google console reports.Here is the…

Arpan Konar
- 99
- 2
- 8
1
vote
1 answer
can we add fingerprint from my app programmatically
I have search lot on internet/stackoveflow how to add fingerprint from custom app but couldn't found any clue
In short Requirement - I am creating app that will allow user to enter into my app by scanning fingerprint.
I have check code that will…

Sushant Gosavi
- 3,647
- 3
- 35
- 55
1
vote
0 answers
Unlock fingerprint Programmatically?
i have done previously resting password using DevicePolicyManager which was working fine .The same app recently i have installed with fingerprint lock devices through sms but my app not able to unlock fingerprint.Is there any android code is…

scott
- 3,112
- 19
- 52
- 90