iOS5 Map Directions

ios5direcyions.m

NSString *url = [NSString stringWithFormat: @"http://maps.google.com/maps?saddr=%f,%f&daddr=%f,%f",
                                            currentLocation.coordinate.latitude, 
                                            currentLocation.coordinate.longitude,
                                            [destionationObject.latitude doubleValue],
                                            [destionationObject.longitude doubleValue]];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];