Stack Overflow
Stack Overflow

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
0
votes
0 answers

illegal block size exception while encrypting data with secret key in android

I am getting illegalblocksize exception while encrypting data. The code is for encryption and decrpting using fingerprint authentication. Error logs: 06-16 12:21:51.267: D/ResourcesManager(19796): For user 0 new overlays fetched Null 06-16…
ruby
  • 147
  • 2
  • 3
  • 13
0
votes
0 answers

How to access only in built finger print scanner in android and not using Android KeyStore

I need to access inbuilt fingerprint scanner in android and generate a key and i need to map with my database. Thanks in advance
Prabhu
  • 1,135
  • 1
  • 12
  • 14
0
votes
0 answers

Will the public key generated in android keystore remains the same

I have the below requirement. While registering for fingerprint option user will be providing the username password and then the fingerprint. We need to generate key in android store and pass that to server(username, password and the key…
ruby
  • 147
  • 2
  • 3
  • 13
0
votes
2 answers

check android device fingerprint status via adb

I am automating the Android app using appium and i have a scenario which need to be verified on both Fringerprint available and not available devices. To get the devices details like device OS version, name etc. i am using the adb shell command…
Lucan
  • 99
  • 1
  • 3
  • 12
0
votes
1 answer

Android - is KeyguardManager necessary to use fingerprint?

Currently implementing a fingerprint authentication following this tutorial where a KeyguardManager is instanciated to : [...] verify that a backup screen unlocking method has been configured (in other words a PIN or other authentication method…
Ismail H
  • 4,226
  • 2
  • 38
  • 61
0
votes
1 answer

react native android use fingerprint for api 23 and newer only

I have a react native android app, which uses fingerprint, which requires api 23. That made the app not installable on older devices. Is there a way around this, so I could have the app installable on older phones as well, just without using…
tristantzara
  • 5,597
  • 6
  • 26
  • 40
0
votes
0 answers

Android N_Perform the fingerprint matching in a (TEE) or on a chip with a secure channel to the TEE

Anyone could help me explain some points below TEE (Trusted Execution Environment) is mandatory in Android N.Could you please help me to provide more detail information about how this feature to be implemented on Android N devices. How to perform…
neo
  • 618
  • 1
  • 10
  • 29
0
votes
1 answer

Is backward compatibility for fingerprint sensor (< SDK 23) in android available?

My main application uses min SDK version 19. In my onCreate() I have checked whether the device supports fingerprint hardware or not. If the device supports fingerprint sensor then it will show the OS level fingerprint dialog else it will continue…
Aparajita Sinha
  • 514
  • 1
  • 10
  • 21
0
votes
1 answer

System Apps vs User Apps - Privileges to Fingerprint Authentication - Android

Is there a difference in terms of access or privileges with respect to fingerprint authentication in Android between system applications and user applications? In other words, how does Google Play Store differ in terms of fingerprint authentication…
Hells Guardian
  • 395
  • 1
  • 4
  • 16
0
votes
1 answer

How to use fingerprint sensor to authenticate users in android?

I want to develop an app that uses the fingerprint sensor to authenticate the user. I searched for tutorials and I found some. but can I use a special fingerprint for my app? I mean that I want my app to has the ability to save a fingerprint and…
user7250097
  • 1
  • 1
0
votes
2 answers

How to Generate Key and Chiper initiation below Android API 23?

Am Using Fingerprint Authentication for App. Want to Support for below API 23 also. For that am Using FingerprintManagerCompat. I don't know how to Generate Key and Chiper initiation in Pre-Android API 23. Below Code am Used for API 23 - Generate…
Yugesh
  • 4,030
  • 9
  • 57
  • 97
0
votes
1 answer

Fingerprint API Android

Hi I'm new to android development. I'd like to practice this Fingerprint API in M (6.0 Marshmallow) and N (7.0 Nougat). But this sample Github Sample seems only for verify the current user when the fingerprint is set on Settings > Security >…
TKGhoul
  • 49
  • 12
0
votes
0 answers

AndroidManifest "android.hardware.fingerprint" not working

My app should only be installed on devices that have a fingerprint sensor. (Marshmallow+). In AndroidManifest I have the following code: However, some devices on…
Thomas Vos
  • 12,271
  • 5
  • 33
  • 71
0
votes
1 answer

Detect FingerPrint Scanner touch or move

I was trying to get some documentation or some kind of information about android fingerprint scanner. But I can find only the authentication api only. But clearly pixels has a swipe function on touch sensor and I found some xda developer also got…
Achayan
  • 5,720
  • 2
  • 39
  • 61
0
votes
0 answers

Android Fingerprint Sensor

How do I listen to Fingerprint onTouch event. I tried Fingerprint Authentication Event, which is working well but as soon as I got success response from Authentication it will stop listening on Fingerprint Sensor. I want something which continually…
Yogesh Patel
  • 672
  • 4
  • 9
1 2 3
…
21 22