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iOS中设置百度地图自定义标注图片，自定义泡泡

發布時間：2023/12/14 编程问答 23 豆豆

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#pragma?mark?-?BMKMapViewDelegate??

//?根據anntation生成對應的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;//在點擊大頭針的時候會彈出那個黑框框??

????annotationView.draggable?=?NO;//禁止標注在地圖上拖動??

????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;??

}??

//氣泡框左側顯示的View,可自定義??

annotationView.leftCalloutAccessoryView?=?[[UIImageView?alloc]?initWithImage:[UIImage?imageNamed:@"icon_location.png"]];??

//氣泡框右側顯示的View?可自定義??

annotationView.rightCalloutAccessoryView?=selectButton;??

//讓標注在進入界面時就處于彈出氣泡框的狀態??

[annotationView?setSelected:YES?animated:YES]; ?

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