Map Directions tutorial

mapDirections.m

Class itemClass = [MKMapItem class];

if (itemClass && [itemClass respondsToSelector:@selector(openMapsWithItems:launchOptions:)]) {
  MKMapItem *currentLocationItem = [MKMapItem mapItemForCurrentLocation];

  MKPlacemark *place = [[MKPlacemark alloc] initWithCoordinate:CLLocationCoordinate2DMake([natObject.latitude doubleValue], [natObject.longitude doubleValue]) addressDictionary:nil];
  MKMapItem *destinamtionLocItem = [[MKMapItem alloc] initWithPlacemark:place];

  destinamtionLocItem.name = [natObject name];

  NSArray *mapItemsArray = @[currentLocationItem, destinamtionLocItem];
  NSDictionary *dictForDirections = @{MKLaunchOptionsDirectionsModeKey: MKLaunchOptionsDirectionsModeDriving};

  [MKMapItem openMapsWithItems:mapItemsArray launchOptions:dictForDirections];
}