Drawing Map Routes on IPhone using unofficial Google Maps Api(blog.kadirpekel.com)
blog.kadirpekel.com
Drawing Map Routes on IPhone using unofficial Google Maps Api
http://blog.kadirpekel.com/2010/05/30/drawing_routes_onto_mkmapview_using_unofficial_google_maps_directions_api
NSString startingLoc = [NSString stringWithFormat:@"%f,%f", starting.latitude, starting.longitude];
NSString endingLoc = [NSString stringWithFormat:@"%f,%f", ending.latitude, ending.longitude];
NSString *dirURL = [NSString stringWithFormat:@"maps.google.com/maps?saddr=%@&daddr=%@&output=kml, startingLoc, endingLoc];
(I took off the http: from the string because the text editor insisted on turning it into a url and ended up hiding the interesting output=kml part)