From 95394d6cb370fb8f92f81af00b8183e4f269c9c8 Mon Sep 17 00:00:00 2001
From: Milos Kozak <m.kozak@sysop.cz>
Date: Fri, 6 Mar 2020 19:13:56 +0100
Subject: [PATCH] Unregister shared preferences properly

---
 .../androidaps/activities/PreferencesActivity.java          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.java b/app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.java
index 328f143836..96a2b23b06 100644
--- a/app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.java
+++ b/app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.java
@@ -68,6 +68,12 @@ public class PreferencesActivity extends PreferenceActivity implements SharedPre
         PreferenceManager.getDefaultSharedPreferences(this).registerOnSharedPreferenceChangeListener(this);
     }
 
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        PreferenceManager.getDefaultSharedPreferences(this).unregisterOnSharedPreferenceChangeListener(this);
+    }
+
     @Override
     public void attachBaseContext(Context newBase) {
         super.attachBaseContext(LocaleHelper.INSTANCE.wrap(newBase));