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    <p>I think this is one of the best ways:</p> <pre><code>(MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id &lt;MKAnnotation&gt;) annotation { NSLog(@"welcome into the map view annotation"); MyAnnotation* myAnnotation1=annotation; // if it's the user location, just return nil. if ([annotation isKindOfClass:[MKUserLocation class]]) return nil; if([mapView isEqual:mapMainView]== NO) { return nil; } // try to dequeue an existing pin view first // if ([annotation isKindOfClass:[myAnnotation1 class]]) // { // try to dequeue an existing pin view first static NSString* AnnotationIdentifier = @"AnnotationIdentifier"; MKPinAnnotationView* pinView = (MKPinAnnotationView *)[mapView dequeueReusableAnnotationViewWithIdentifier:AnnotationIdentifier]; if (nil == pinView) { MKAnnotationView* annotationView = [[[MKAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:AnnotationIdentifier] autorelease]; // annotationView.canShowCallout = YES; // pinView.animatesDrop=YES; //pinView.pinColor=MKPinAnnotationColorPurple; //image UIImage* flagImage = [UIImage imageNamed:@"map_marker_over2.png"]; CGRect resizeRect; resizeRect.size = flagImage.size; CGSize maxSize = CGRectInset(self.view.bounds, [MapPropertyViewController annotationPadding], [MapPropertyViewController annotationPadding]).size; maxSize.height -= self.navigationController.navigationBar.frame.size.height + [MapPropertyViewController calloutHeight]; if (resizeRect.size.width &gt; maxSize.width) resizeRect.size = CGSizeMake(maxSize.width, resizeRect.size.height / resizeRect.size.width * maxSize.width); if (resizeRect.size.height &gt; maxSize.height) resizeRect.size = CGSizeMake(resizeRect.size.width / resizeRect.size.height * maxSize.height, maxSize.height); resizeRect.origin = (CGPoint){0.0f, 0.0f}; UIGraphicsBeginImageContext(resizeRect.size); [flagImage drawInRect:resizeRect]; UIImage *resizedImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); annotationView.image = resizedImage; annotationView.opaque = NO; UIButton* rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; [rightButton setTitle:annotation.title forState:UIControlStateNormal]; [rightButton addTarget:self action:@selector(showDetails:) forControlEvents:UIControlEventTouchUpInside]; rightButton.tag = myAnnotation1.tagAnnotation; annotationView.rightCalloutAccessoryView = rightButton; profileIconView = [[UIImageView alloc]initWithFrame:CGRectMake(18.5f, 10.0f, 37.0f, 30.0f)]; annotationView.leftCalloutAccessoryView = profileIconView; //image img = [UIImage imageWithData: [NSData dataWithContentsOfURL: [NSURL URLWithString:[arrImages objectAtIndex:myAnnotation1.tagAnnotation]]]]; NSLog(@"Annotation Click %d",[arrImages count]); NSLog(@"image %@",img); profileIconView.image=img; [profileIconView release]; [annotationView setEnabled:YES]; [annotationView setCanShowCallout:YES]; return annotationView; } return pinView; // } // return nil; } </code></pre>
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    1. POWhy does a custom MKMapView annotation image disappear on touch?
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    1. USeeerahul
    1. USTulasi Narayana Dumpala
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    1. This table or related slice is empty.
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    1. COCan you provide some explanation why? It will help future readers.
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      1. USBrian Mains
 

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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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