#pragma mark - BMKMapViewDelegate
// 根据anntation生成对应的View
- (BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id <BMKAnnotation>)annotation
{
//普通annotation
NSString *AnnotationViewID = @"ClusterMark";
ClusterAnnotation *cluster = (ClusterAnnotation*)annotation;
ClusterAnnotationView *annotationView = [[ClusterAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:AnnotationViewID];
annotationView.size = cluster.size;
annotationView.canShowCallout = NO;//在点击大头针的时候会弹出那个黑框框
annotationView.draggable = NO;//禁止标注在地图上拖动
annotationView.annotation = cluster;
// annotationView.image=[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:annotation.subtitle]]];
annotationView.centerOffset=CGPointMake(0,0);
UIView *viewForImage=[[UIView alloc]initWithFrame:CGRectMake(0, 0, 110, 110)];
UIImageView *imageview=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 110, 110)];
[imageview setImage:[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:annotation.subtitle]]]];
imageview.layer.masksToBounds=YES;
imageview.layer.cornerRadius = 10;
[viewForImage addSubview:imageview];
annotationView.image=[self getImageFromView:viewForImage];
return annotationView;
}
-(UIImage *)getImageFromView:(UIView *)view{
UIGraphicsBeginImageContext(view.bounds.size);
[view.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
//气泡框左侧显示的View,可自定义
annotationView.leftCalloutAccessoryView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_location.png"]];
//气泡框右侧显示的View 可自定义
annotationView.rightCalloutAccessoryView =selectButton;
//让标注在进入界面时就处于弹出气泡框的状态
[annotationView setSelected:YES animated:YES];