问用BIOMETRIC_ERROR_HW_UNAVAILABLE检测像素4XL的生物特征失败

EN

<uses-permission android:name="android.permission.USE_BIOMETRIC" />

dependencies {
    implementation "androidx.biometric:biometric:1.0.1"
}

private boolean setBIOSetup() {
    BiometricManager biometricManager = BiometricManager.from(getActivity());
    switch (biometricManager.canAuthenticate()) {
        case BiometricManager.BIOMETRIC_SUCCESS:
            return true; 
        case BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE:
            Toast.makeText(getActivity(), "No biometric hardware installed", 
                           Toast.LENGTH_LONG).show(); 
         case BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE: 
             Toast.makeText(getActivity(), "Biometric hardware unavailable.", 
                            Toast.LENGTH_LONG).show();
              break; 
         case BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED: 
             Toast.makeText(getActivity(), "No biometrics enrolled", Toast.LENGTH_LONG).show(); 
             break;
    } 
    return false; 
}