[Mono-bugs] [Bug 613812] New: MKMapView.AddOverlay() only supports MKOverly, It needs to support shapes.

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sat Jun 12 04:10:52 EDT 2010



           Summary: MKMapView.AddOverlay() only supports MKOverly, It
                    needs to support shapes.
    Classification: Mono
           Product: MonoTouch
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: Class Libraries
        AssignedTo: gnorton at novell.com
        ReportedBy: jclancey at resdat.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-US)
AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.70 Safari/533.4

After many failed to add a MKPolygon to a MKMapview, I found the following
instruction in and many others like it in the iphone 4.0 forums.  You will note
it adds the shape file to the overlay.

Basically what you do to make your Polylines is a two part process:
CLLocationCoordinate2D polyPoints[x];
// Set your points
MKPolyline *pl = [MKPolyline polylineWithCoordinates:polyPoints count:x];
[mapView addOverlay:pl];

2) Implement the various overlay delegates you need, this one likely being the
main one you'd use.  Adjust as needed based on your specific overlay needs.
- (MKOverlayView *)mapView:(MKMapView *)mapView viewForOverlay:(id
<MKOverlay>)overlay {
    MKPolylineView *plv = [[[MKPolylineView alloc] initWithOverlay:overlay]
    plv.strokeColor = [UIColor redColor];
    plv.lineWidth = 1.0;
   // Any other view twiddles you need.

    return plv;

Reproducible: Always

Steps to Reproduce:
mapview.AddOverlay(new MKPolygon())
Actual Results:  
It errors

Expected Results:  
Accepts the shape file

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