code: private ArrayList<IconMarker> createIconMarkers() {
  
          final ArrayList<IconMarker> iconMarkers = new ArrayList<>(LOCATIONS.length);
  
          iconMarkers.add(new IconMarker(LOCATIONS[0], R.drawable.bread, R.drawable.bread_c));
          iconMarkers.add(new IconMarker(LOCATIONS[1], R.drawable.butcher, R.drawable.butcher_c));
          iconMarkers.add(new IconMarker(LOCATIONS[2], R.drawable.fruits, R.drawable.fruits_c));
          iconMarkers.add(new IconMarker(LOCATIONS[3], R.drawable.grocery, R.drawable.grocery_c));
          iconMarkers.add(new IconMarker(LOCATIONS[4], R.drawable.patisserie, R.drawable.patisserie_c));
  
          return iconMarkers;
      }
docs: Icons courtesy of https://mapicons.mapsmarker.com/