swift - Prevent MapView MKPolygon tapped on Annotations? -

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i have mkmapview mkpolygons , few custom annotations. when ill try tap on annotation inside mkpolygon, trigger polygon gets fired.

can prevent this? ill check on polygon tap:

func handlemaptap(tap: uitapgesturerecognizer!) {  var tappoint = tap.locationinview(self.mapview)  var tapcoord: cllocationcoordinate2d = self.mapview.convertpoint(tappoint, tocoordinatefromview: self.mapview) var mappoint: mkmappoint = mkmappointforcoordinate(tapcoord) var mappointascgp: cgpoint  = cgpointmake(cgfloat(mappoint.x),cgfloat(mappoint.y))  overlay in self.mapview.overlays {      if(overlay.iskindofclass(mkpolygon)) {

this how looks like:

enter image description here

any ideas? can make "larger" area annotion, not fire both events, annotation , mkpolygon?

edit: anna,

ill tried that, brings me "found nil while unwrapping optional value" error when ill try with:

var v:uiview = mapview.hittest(mappointascgp, withevent: nil)! // error if(v.iskindofclass(custompointannotation) == true) {


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