Custom MKMapPin image

I just wanted to quickly开发者_JAVA技巧 ask how I could use an image as my MKMapPin.

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In the viewForAnnotation method, create an MKAnnotationView (not an MKPinAnnotationView) and set its image property.

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Also you can subclass mkannotationview to add more functionality.

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You need to add the following code to your viewForAnnotation message:

- (MKAnnotationView *) mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>) annotation
{   
    // ... get the annotation delegate and allocate the MKAnnotationView (annView)
    if ([annotationDelegate.type localizedCaseInsensitiveCompare:@"needs_your_image"] == NSOrderedSame)
    {
        UIImage * image = [UIImage imageNamed:@"your_image_here.png"];
        UIImageView *imageView = [[[UIImageView alloc] initWithImage:image] autorelease];
        [annView addSubview:imageView];
    }
    // ...