private void markerWithDefaultIcon(GoogleMap googleMap,LatLng latLng,String publicId){
  MarkerOptions options=new MarkerOptions();
  options.position(latLng);
  Marker marker=googleMap.addMarker(options);
  publicMarkerIds.put(marker.getId(),publicId);
}

private void markerWithDefaultIcon ( GoogleMap googleMap , LatLng latLng , String publicId ) { MarkerOptions options = new MarkerOptions ( ) ; options . position ( latLng ) ; Marker marker = googleMap . addMarker ( options ) ; publicMarkerIds . put ( marker . getId ( ) , publicId ) ; }
places the default red marker on the map at the required position .
