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POAdding MKPolyline Overlay to MKMapView crashes application
 

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  1. POAdding MKPolyline Overlay to MKMapView crashes application
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    <p>My application was working fine on iOS6 but it is crashing on iOS 7 due to bad access when I add overlay to MKMapView.My code is as follows</p> <pre><code>MKPolyline *polyline = [[MKPolyline alloc] init]; polyline = [MKPolyline polylineWithCoordinates:coordinates count:numberOfSteps]; [directionMap addOverlay:polyline]; </code></pre> <p><img src="https://i.stack.imgur.com/8JDXu.png" alt="enter image description here"></p> <p>This is the crash log (lldb) bt *</p> <pre><code> thread #51: tid = 0x1cc5, 0x38755f8c libdispatch.dylib`dispatch_retain$VARIANT$mp + 8, stop reason = EXC_BAD_ACCESS (code=1, address=0x0) frame #0: 0x38755f8c libdispatch.dylib`dispatch_retain$VARIANT$mp + 8 frame #1: 0x3598dbc8 VectorKit`-[VKRasterOverlayTileSource init] + 176 frame #2: 0x358cfd24 VectorKit`-[VKMapModel _rasterOverlayTileSourceForLevel:] + 308 frame #3: 0x358d0226 VectorKit`-[VKMapModel addRasterOverlay:] + 46 frame #4: 0x2f068dfe MapKit`-[MKOverlayContainerView _insertDrawable:forOverlay:atIndex:level:] + 1010 frame #5: 0x2f06752e MapKit`-[MKOverlayContainerView _configureAndAddDrawable:forOverlay:level:] + 326 frame #6: 0x2f0676ac MapKit`-[MKOverlayContainerView _considerAddingDrawable:inAddRect:level:] + 372 frame #7: 0x2f067cce MapKit`-[MKOverlayContainerView addOverlay:level:] + 246 frame #8: 0x001394c8 Falcon`-[GetDirectionVC showRouteFrom:to:](self=0x19742820, _cmd=0x001fa466, f=CLLocationCoordinate2D at 0x04f9ec2c, t=CLLocationCoordinate2D at 0x04f9ec1c) + 956 at GetDirectionVC.m:226 frame #9: 0x001390ee Falcon`-[GetDirectionVC loadLocations](self=0x19742820, _cmd=0x001fa458) + 1314 at GetDirectionVC.m:173 frame #10: 0x2e876e26 Foundation`__NSThread__main__ + 1062 frame #11: 0x38891c1c libsystem_pthread.dylib`_pthread_body + 140 frame #12: 0x38891b8e libsystem_pthread.dylib`_pthread_start + 102 </code></pre> <p>(lldb) </p>
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    1. USMobile Developer iOS Android
    1. USMobile Developer iOS Android
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    1. COPlease post the error log.
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      1. USPuneet Sharma
    2. COI have edited question with the crash log please check it.Thanks
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      1. USMobile Developer iOS Android
    3. COWell, in the documentation nothing is change for MKpolyline, but viewForOverlay method has been deprecated in iOS7.0. Try using, - (MKOverlayRenderer *)rendererForOverlay:(id < MKOverlay >)overlay instead of viewForOverlay method.
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