Make marker gray on losing location

app/src/main/java/app/insti/fragment/MapFragment.java

@@ -1149,8 +1149,8 @@ public class MapFragment extends Fragment implements TextWatcher,
 
         @Override
         public void onLocationAvailability(LocationAvailability locationAvailability) {
-            if (!locationAvailability.isLocationAvailable() && campusMapView.isAddedMarker(user)) {
-                campusMapView.removeAddedMarker(user);
+            if (campusMapView.isAddedMarker(user)) {
+                user.setGroupIndex(!locationAvailability.isLocationAvailable() ? -9 : -10);
                 campusMapView.invalidate();
             }
             super.onLocationAvailability(locationAvailability);

app/src/main/java/com/mrane/data/Marker.java

@@ -78,8 +78,8 @@ public class Marker {
     }
 
     public static int getColor(int group) {
-        if (group == -10) {
-            return -10;
+        if (group < -8) {
+            return group;
         }
 
         Integer[] yellowGroup = new Integer[]{HOSTELS};

app/src/main/java/com/mrane/zoomview/CampusMapView.java

@@ -571,9 +571,9 @@ public class CampusMapView extends SubsamplingScaleImageView {
             markerBitmap = grayMarker;
             if (isAddedMarker(marker))
                 markerBitmap = grayLockedMarker;
-        } else if (color == -10) {
+        } else if (color < -8) {
             if (isAddedMarker(marker))
-                markerBitmap = userMarker;
+                markerBitmap = color == -10 ? userMarker : grayMarker;
         }
 
         if (highlightedMarkerScale != 1.0f && isResultMarker(marker)) {