docs: @Override
       protected void addOverlays() {
            super.addOverlays();
  
            final Context context = getActivity();
  
  
            icons.add(getResources().getDrawable(org.osmdroid.R.drawable.sfgpuci));
            icons.add(getResources().getDrawable(org.osmdroid.R.drawable.shgpuci));
            icons.add(getResources().getDrawable(org.osmdroid.R.drawable.sngpuci));
            icons.add(getResources().getDrawable(org.osmdroid.R.drawable.sugpuci));
  
  
            //generates 50 randomized points
            addIcons(50);
  
            mRotationGestureOverlay = new RotationGestureOverlay(mMapView);
            mRotationGestureOverlay.setEnabled(false);
            mMapView.getOverlays().add(mRotationGestureOverlay);
  
            // Zoom and center on the focused item.
            mMapView.getController().setZoom(3);
  
            setHasOptionsMenu(true);
            Toast.makeText(context, "Icon selection and location are random!", Toast.LENGTH_SHORT).show();
       }