From cab9ab714a42f12993778581080a2f4ba86ccc11 Mon Sep 17 00:00:00 2001
From: Daniel Dakhno <dakhnod@gmail.com>
Date: Sun, 26 Dec 2021 15:40:12 +0100
Subject: [PATCH] Fixed bug on Preference Screen start

---
 .../devicesettings/DeviceSpecificSettingsFragment.java       | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSpecificSettingsFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSpecificSettingsFragment.java
index 63aab472b..b3258de1d 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSpecificSettingsFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSpecificSettingsFragment.java
@@ -938,6 +938,11 @@ public class DeviceSpecificSettingsFragment extends PreferenceFragmentCompat imp
         public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
             LOG.debug("Preference changed: {}", key);
 
+            if(key == null){
+                LOG.warn("Preference null, ignoring");
+                return;
+            }
+
             final Preference preference = findPreference(key);
             if (preference == null) {
                 LOG.warn("Preference {} not found, ignoring", key);