Well this is a question which many of them have asked. But it seems that there is no way we can read finger print scan and save it to our local database (as the answers in those questions suggest here: https://stackoverflow.com/a/36022446/5675550 , https://stackoverflow.com/a/38179087/5675550).
I have made a sample app which scans user's finger print and authenticates users buy using android's native FingerprintManager.
I still want to know whether it is possible to read finger print and save it to the app's database and and maintain multiple user authentication. Like for example if User1 taps his finger print, the app should identify as User1 and if User2 does the same, the app should identify as User2.
It's possible with an external fingerprint readers with specific SDK, for instance:
Or with specific Android Devices with specific SDK, for instance:
It's not possible on consumer market devices.