This is fingerprint demo app based on android 6.0.
This android studio(2.1.2) project, you can just import this code to your AS.
A prebuilt apk file is in apks directory, you can just install it to you android device(android 6.0+, api level 23+).
For doc see my blog: https://blog.csdn.net/createchance/article/details/51991764 :)