diff --git a/app/build.gradle b/app/build.gradle
index 099057c..3711d7e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,7 @@ android {
         applicationId "com.uam.wmi.findmytutor"
         minSdkVersion 22
         targetSdkVersion 27
-        versionCode 42
+        versionCode 43
         versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
diff --git a/app/src/main/java/com/uam/wmi/findmytutor/activity/BaseActivity.java b/app/src/main/java/com/uam/wmi/findmytutor/activity/BaseActivity.java
index d7eb01c..e1615eb 100644
--- a/app/src/main/java/com/uam/wmi/findmytutor/activity/BaseActivity.java
+++ b/app/src/main/java/com/uam/wmi/findmytutor/activity/BaseActivity.java
@@ -199,6 +199,8 @@ public abstract class BaseActivity
     }
 
     public void stopBackgroundLocalizationTask() {
+        PrefUtils.storeEnableSharingLocalization(getApplicationContext(), false);
+
         Intent stopIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
         stopIntent.putExtra("request_stop", true);
 
@@ -208,6 +210,7 @@ public abstract class BaseActivity
 
     public void startBackgroundLocalizationTask() {
         checkPermissions();
+        PrefUtils.storeEnableSharingLocalization(getApplicationContext(), true);
 
         Intent startIntent = new Intent(getApplicationContext(), BackgroundLocalizationService.class);
         startIntent.putExtra("notify_interval", onlineBackgroundLocationInterval);
diff --git a/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java b/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
index aaa2991..38e7c0d 100644
--- a/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
+++ b/app/src/main/java/com/uam/wmi/findmytutor/activity/SharingFragment.java
@@ -207,7 +207,8 @@ public class SharingFragment extends PreferenceFragment implements SharedPrefere
 
         /** Sharing level list **/
         locationMode.setOnPreferenceChangeListener((preference, newValue) -> {
-           ((MapActivity) getActivity()).handleBackgroundTaskLifeCycle();
+            ((MapActivity) getActivity()).stopBackgroundLocalizationTask();
+            ((MapActivity) getActivity()).startBackgroundLocalizationTask();
            PrefUtils.storeLocationMode(getApplicationContext(), locationLevelMapping.get(Integer.parseInt((String) newValue)));
 
             if (PrefUtils.getLocationLevel(getApplicationContext()).equals(SharingLevel.MANUAL.toString())) {
diff --git a/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java b/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
index 81fecf3..76825a2 100644
--- a/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
+++ b/app/src/main/java/com/uam/wmi/findmytutor/service/BackgroundLocalizationService.java
@@ -168,7 +168,7 @@ public class BackgroundLocalizationService extends Service {
         if (saveMode != 0) {
             mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
         } else {
-            mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY);
+            mLocationRequest.setPriority(LocationRequest.PRIORITY_LOW_POWER);
         }
 
         mLocationRequest.setFastestInterval(notify_interval);
@@ -293,7 +293,7 @@ public class BackgroundLocalizationService extends Service {
             latitude = location.getLatitude();
             longitude = location.getLongitude();
             altitude = location.getAltitude();
-
+            Log.e(TAG,"TASK" + latitude + " " + longitude);
             approximatedLocalization = new ApproximatedLocalization(MapUtils.loadJsonFromAsset(getApplicationContext(), "building.geojson"));
             approximatedBuildingPart = approximatedLocalization.getNameOfBuildingPart(Point.fromLngLat(longitude, latitude));
         }