title: android8.0 cann't check fingerpring update,when I add a new fingerprint in my device
body: <p><a href="https://github.com/googlesamples/android-FingerprintDialog/blob/master/Application/src/main/java/com/example/android/fingerprintdialog/MainActivity.java" rel="nofollow noreferrer">https://github.com/googlesamples/android-FingerprintDialog/blob/master/Application/src/main/java/com/example/android/fingerprintdialog/MainActivity.java</a></p>
  
  <p>pls see that code(that code is google samples of android fingerprint), I do same as it, but when I add a new fingerpint , this method return true, don't return false. this issue just find in android8.0.</p>
  
  <p>I want to known why.pls help me if you known.</p>