StackOverflow2013

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PO
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Id
19447483
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0
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0
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CommentCount
1
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CreationDate
2013-10-18T10:31:49.550
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2013-10-18T13:14:19.507
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2013-10-18T13:14:19.507
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766570
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766570
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19446823
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2
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text
Body
the idea is that you want to make all of the "accessory view" tappable without interfering with the original tap of the actual annotation.. this is how i do it: first I create and assign a tap gesture to the annotation view after it has been selected like so (I use obj-c runtime object association here.. see <a href="https://gist.github.com/abbood/7039483" rel="nofollow">this</a> gist): <pre><code>// set up vars static NSString *const kExtraTapGestureRecognizer = @"extraGesture"; UIControl *currentAnnotationControl; - (void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view { UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleAnnotationViewTap:)]; tap.numberOfTapsRequired = 1; [tap setInfo:kExtraTapGestureRecognizer]; [view addGestureRecognizer:tap]; } </code></pre> to handle the tap, I call <code>MKMapViewDelegate</code> Protocol's <a href="https://developer.apple.com/library/ios/documentation/MapKit/Reference/MKMapViewDelegate_Protocol/MKMapViewDelegate/MKMapViewDelegate.html#//apple_ref/occ/intfm/MKMapViewDelegate/mapView%3aannotationView%3acalloutAccessoryControlTapped%3a" rel="nofollow">mapView:annotationView:calloutAccessoryControlTapped:</a>, which basically means that if the view in between the accessory views gets tapped, it's as if one of the accessory views just got tapped: <pre><code>- (void)handleAnnotationViewTap:(UITapGestureRecognizer *)gestureRecognizer { MKAnnotationView *annotationView = (MKAnnotationView *)gestureRecognizer.view; // currentAnnotationControl is just a reference to one of the // accessory views of the annotation that has just been selected.. // see comment below [self mapView:self.mapView annotationView:annotationView calloutAccessoryControlTapped:currentAnnotationControl]; } </code></pre> when the annotationView is returned, I save a reference to one of its (left or right) accessoryViews like so: <pre><code>- (MKAnnotationView *)mapView:(MKMapView *)theMapView viewForAnnotation:(id <MKAnnotation>)annotation { if ([annotation isKindOfClass:[Random class]]) { static NSString *annotationIdentifier = @"annotation"; MKAnnotationView *annotationView = (MKAnnotationView *) [self.mapView annotationIdentifier]; if (annotationView == nil) { annotationView = [[MKAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:RiderAnnotationIdentifier]; annotationView.canShowCallout = YES; UIButton *leftButton = [UIButton buttonWithType:UIButtonTypeCustom]; leftButton.frame = CGRectMake(0, 0,21, 21); [leftButton setImage:[UIImage imageNamed:@"smallInfo_rider_left.png"] forState:UIControlStateNormal]; [leftButton addTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside]; annotationView.leftCalloutAccessoryView = leftButton; // this is where i store a reference to one of the accessory views currentAnnotationControl = leftButton; return annotationView; } else { annotationView.annotation = annotation; } return annotationView; </code></pre> keep in mind that we created an extra tap gesture, we must get rid of it as soon as one of the accessory views has been tapped like so: <pre><code>- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control { // we remove the extra tap gesture so that it doesn't interfere // with normal app flow in the future for (UIGestureRecognizer *gesture in [view gestureRecognizers]) { if ([[gesture info] isEqualToString:kExtraTapGestureRecognizer]) { [gesture removeTarget:nil action:NULL]; } } // more stuff </code></pre>
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1. This table or related slice is empty.
PostParentId
1. POCallout Annotation view is not clickable the center
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USabbood
UserOwnerUserId
1. USabbood
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1. COhey buddy, your answer did not give me solution, surely I misunderstood something from your example and that was not good
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 USuser2652032

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