From fba3016912be114bab822d9dc3c6e206ed6a9207 Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Thu, 22 Feb 2018 21:07:37 +0100
Subject: [PATCH] Add missing listener unregister

Also don't call getContext() directly as that requries newer API version.
---
 .../openscale/gui/preferences/MeasurementPreferences.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/android_app/app/src/main/java/com/health/openscale/gui/preferences/MeasurementPreferences.java b/android_app/app/src/main/java/com/health/openscale/gui/preferences/MeasurementPreferences.java
index 6b815249..1fe5b0c7 100644
--- a/android_app/app/src/main/java/com/health/openscale/gui/preferences/MeasurementPreferences.java
+++ b/android_app/app/src/main/java/com/health/openscale/gui/preferences/MeasurementPreferences.java
@@ -213,12 +213,18 @@ public class MeasurementPreferences extends PreferenceFragment implements Shared
         getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
     }
 
+    @Override
+    public void onPause() {
+        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
         updatePrefSummary(findPreference(key));
         if (!key.equals(MeasurementView.PREF_MEASUREMENT_ORDER)) {
             measurementOrderCategory.removeAll();
-            updateMeasurementOrderScreen(getContext(), measurementOrderCategory);
+            updateMeasurementOrderScreen(getActivity().getApplicationContext(), measurementOrderCategory);
         }
     }