From 45fb8568984f245fe283e14fc4cb314d2c2acc2d Mon Sep 17 00:00:00 2001
From: Philipp Crocoll <philipp@crocoll.net>
Date: Fri, 5 Jan 2018 05:37:41 +0100
Subject: [PATCH] add check for null preference

---
 src/keepass2android/settings/DatabaseSettingsActivity.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/keepass2android/settings/DatabaseSettingsActivity.cs b/src/keepass2android/settings/DatabaseSettingsActivity.cs
index 030e35ae..7a6040df 100644
--- a/src/keepass2android/settings/DatabaseSettingsActivity.cs
+++ b/src/keepass2android/settings/DatabaseSettingsActivity.cs
@@ -466,6 +466,8 @@ namespace keepass2android
         private void UpdateAutofillPref()
         {
             var autofillPref = FindPreference(GetString(Resource.String.AutoFill_prefs_key));
+            if (autofillPref == null)
+                return;
             if ((Android.OS.Build.VERSION.SdkInt < Android.OS.BuildVersionCodes.O) ||
                 !((AutofillManager) Activity.GetSystemService(Java.Lang.Class.FromType(typeof(AutofillManager))))
                     .IsAutofillSupported)