IOS 設置百度地圖自定義標注圖片，自定義泡泡

#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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