本文整理汇总了C#中MKMapView.DequeueReusableAnnotationView方法的典型用法代码示例。如果您正苦于以下问题：C# MKMapView.DequeueReusableAnnotationView方法的具体用法？C# MKMapView.DequeueReusableAnnotationView怎么用？C# MKMapView.DequeueReusableAnnotationView使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MKMapView的用法示例。
在下文中一共展示了MKMapView.DequeueReusableAnnotationView方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: OnGUI
void OnGUI()
{
KitchenSink.OnGUIBack();
if (CoreXT.IsDevice) {
GUILayout.BeginArea(new Rect(50, 50, Screen.width - 100, 100));
GUILayout.BeginHorizontal();
if (GUILayout.Button("Show Map", GUILayout.ExpandHeight(true))) {
if (mapView == null) {
mapView = new MKMapView(new Rect(25, 100, Screen.width/2 - 50, Screen.height/2 - 150));
// create custom annotation view
mapView.viewHandler = delegate(MKMapView view, MKAnnotation annotation) {
// try to reuse old view
var annotationView = mapView.DequeueReusableAnnotationView("annoview");
if (annotationView == null) {
Debug.Log("creating new annotation view");
// annotationView = new MKPinAnnotationView(annotation, "annoview");
annotationView = new MKAnnotationView(annotation, "annoview");
annotationView.canShowCallout = true;
var image = new UIImage(new NSData(new NSURL("http://u3dxt.com/wp-content/uploads/2013/06/gears_14662320_s-225x225.jpg")));
annotationView.image = image;
} else {
Debug.Log("reusing old annotation view");
annotationView.annotation = annotation;
}
return annotationView;
};
}
UIApplication.deviceRootViewController.view.AddSubview(mapView);
MKCoordinateRegion newRegion = new MKCoordinateRegion();
newRegion.center.latitude = 37.786996;
newRegion.center.longitude = -122.440100;
newRegion.span.latitudeDelta = 0.112872;
newRegion.span.longitudeDelta = 0.109863;
mapView.SetRegion(newRegion, true);
}
if (GUILayout.Button("Hide Map", GUILayout.ExpandHeight(true))) {
mapView.RemoveFromSuperview();
}
if (GUILayout.Button("Add marker", GUILayout.ExpandHeight(true))) {
Annotation ggBridge = new Annotation(new CLLocationCoordinate2D(37.810000, -122.477450),
"Golden Gate Bridge", "Opened: May 27, 1937");
mapView.AddAnnotation(ggBridge);
}
if (GUILayout.Button("Clear marker", GUILayout.ExpandHeight(true))) {
mapView.RemoveAnnotations(mapView.annotations);
}
GUILayout.EndHorizontal();
GUILayout.EndArea();
}
// OnGUILog();
}