NSString *path = [[NSBundle mainBundle] pathForResource:@"KML_Sample" ofType:@"kml"];
NSURL *url = [NSURL fileURLWithPath:path];
GMUKMLParser *parser = [[GMUKMLParser alloc] initWithURL:url];
[parser parse];
GMUGeometryRenderer *renderer = [[GMUGeometryRenderer alloc] initWithMap:_mapView
                                                              geometries:parser.placemarks
                                                                  styles:parser.styles];
[renderer render];