Add clickable annotation to UIMapView

Question

I want to add an annotation to a MapView with a disclosure button, and I cannot figure it out.

I created a PlaceMark class that conforms to the MKAnnotation protocol, and then create a MapView and add PlaceMark:

// Add annotation information
PlaceMark *venuePlacemark = [[PlaceMark alloc] initWithCoordinate:location];
venuePlacemark.locationTitle = [locationDictionary valueForKey:VENUE_NAME_KEY];
venuePlacemark.locationSubtitle = @"Touch to show in Google Maps";

// Create the accessory button on the placemark
[venueMap addAnnotation:venuePlacemark];
[venueMap setRegion:region animated:TRUE];
[venueMap regionThatFits:region];

All this works, and it displays the output, which when touched displays the correct call text. I can’t figure out how to add a disclosure button to a call. Sorry if this is basic and any help would be appreciated.

Dave

Answer 1

Think I figured it out ... The following delegate method was implemented:

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation
{
    MKPinAnnotationView *dropPin=[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"venues"];

    UIButton *disclosureButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
    [disclosureButton addTarget:self action:@selector(mapCallOutPressed:) forControlEvents:UIControlEventTouchUpInside];

    dropPin.rightCalloutAccessoryView = disclosureButton;
    dropPin.animatesDrop = YES;
    dropPin.canShowCallout = YES;

    return dropPin;
}