if((jsonObj.getInt("rcid"))%8==0)
 {
    Marker marker =  mMap.addMarker(new MarkerOptions()
                 . title(jsonObj.getString("rname"))
                 .snippet(jsonObj.getString("rphone"))
                 .position(new LatLng(jsonObj.getDouble("rlang")                                                      ,jsonObj.getDouble("rlong"))).draggable(true).icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_VIOLET)));