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POCrash when zooming into a MKMapView with a MKPlacemark
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  1. POCrash when zooming into a MKMapView with a MKPlacemark
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    copied!<p>I'm trying to add a placemark to a map. The placemark is built from an address completely outside of Address Book.</p> <p>My placemark is appearing on the map, but when I try to pinch to zoom in I get a crash:</p> <pre><code>*** -[CALayer objectForKey:]: unrecognized selector sent to instance 0x4569dc0 *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[CALayer objectForKey:]: unrecognized selector sent to instance 0x4569dc0' </code></pre> <p>Here's how I'm setting up the address:</p> <pre><code>id theAddress = [NSDictionary dictionaryWithObjectsAndKeys: [NSString stringWithFormat: @"%@ - %@", theAddress1 ? theAddress1 : @"", theAddress2 ? theAddress2 : @""], kABPersonAddressStreetKey, theCity ? theCity : @"", kABPersonAddressCityKey, theState ? theState : @"", kABPersonAddressStateKey, theZip ? theZip : @"", kABPersonAddressZIPKey, theCountry ? theCountry : @"", kABPersonAddressCountryKey, nil]; </code></pre> <p>I use the values in the address record to find the coordinate for the address (learned how to do this from <a href="https://stackoverflow.com/questions/1451792/how-can-i-determine-a-cllocation-or-mkplacemark-from-an-address">this question &amp; answer</a>), then I add it to my map:</p> <pre><code>[mapView addAnnotation: [[[MKPlacemark alloc] initWithCoordinate: theCoordinate addressDictionary: theAddress] autorelease]]; </code></pre> <p>The crash definitely seems to be caused by this MKPlacemark, as if I comment out the addAnnotation statement the code doesn't crash.</p> <p>Any idea what's going on? I'm guessing I haven't got enough in the address record, but the error message is really unhelpful.</p>
 

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