From 02af9297448b3a8a8c8ed19676eedac7e85ff5e0 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Fri, 23 Oct 2020 01:25:09 +0200
Subject: [PATCH] As found in documentation (die reine Schule) checking
 canEvaluatePolicy() first

---
 .../Security/BiometricAuthenticationService.swift         | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ui/BankingiOSApp/BankingiOSApp/Security/BiometricAuthenticationService.swift b/ui/BankingiOSApp/BankingiOSApp/Security/BiometricAuthenticationService.swift
index f6cec415..eaa37ba8 100644
--- a/ui/BankingiOSApp/BankingiOSApp/Security/BiometricAuthenticationService.swift
+++ b/ui/BankingiOSApp/BankingiOSApp/Security/BiometricAuthenticationService.swift
@@ -7,7 +7,13 @@ class BiometricAuthenticationService {
     
     
     var biometryType: LABiometryType {
-        localAuthenticationContext.biometryType
+        var error: NSError?
+        
+        if localAuthenticationContext.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
+            return localAuthenticationContext.biometryType
+        }
+
+        return .none
     }
     
     var isFaceIDSupported: Bool {