How to find out if user has enrolled new fingerprint?
Morteza-Rastgoo opened this issue · comments
Hi,
there is no API to find out if the user has new fingerprint. If the user enrolled new fingerprint and you try to decrypt the data, fingerprint initialization will fail and you will receive https://github.com/infinum/Android-Goldfinger/blob/master/core/src/main/java/co/infinum/goldfinger/InitializationException.java#L3
Also read this - https://stackoverflow.com/a/44926774/3920456
The reason why this does not exist is that it makes no sense as you would have to know when the user enrolled new fingerprint. The best we can do is throw an error.
If Goldfinger#decrypt fails to initialize, you know that something went terribly wrong and that you should invalidate user's fingerprints.
Version 2.0 is in progress so we plan to handle this better with clear error if Key really is invalidated.