Android Marshmallow has introduced a newly integrated API to better support user authentication and user verification. We can now use the new Fingerprint
API for devices with a fingerprint scanner in order to authenticate the user. We can also set a specific time for user lock screen verification to be considered valid in the app login. In this chapter, we will try and go over these additions and explain how to use them:
The
Fingerprint
authentication APICredentials' Grace Period
Cleartext
network traffic