iphone - 当我单击红色图钉时，我想获得详细信息披露按钮，例如：见图片

Question

当我单击红色图钉时，我想获得详细信息披露按钮。

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation {



static NSString *identifier = @"RoutePinAnnotation";



if ([annotation isKindOfClass:[UICRouteAnnotation class]]) {


    pinAnnotation = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:@"pinAnnotation"];


    if(!pinAnnotation) {
        NSLog(@"entered");
        pinAnnotation = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"pinAnnotation"] autorelease];               

        pinAnnotation.canShowCallout = YES;
        pinAnnotation.pinColor = MKPinAnnotationColorGreen;

        rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
        pinAnnotation.rightCalloutAccessoryView = rightButton;

          }
    }

我使用此代码获取两个位置（绿色引脚）和中点的详细信息披露按钮。