MapKit 未删除所有注释

发布于 2024-10-03 03:40:00 字数 691 浏览 0 评论 0原文

MapKit 似乎有一个奇怪的问题！

我有一些代码添加了一些注释，然后我调用

NSArray *existingpoints = mapView.annotations;
[mapView removeAnnotations:existingpoints];
                if ([mapView.annotations count] > 0) {
                    for(Plane *annotation in mapView.annotations){
                        NSLog(@"Name: %@",annotation.reg);
                        [mapView removeAnnotation:annotation];
                    }
                    NSLog(@"\nMapCount:%i after attempting manual remove",[mapView.annotations count]);
                }

Now ，奇怪的是，我有时可以进入 mapView.annotations 计数大于 0 的情况。因此，我有额外的“保护”，并尝试手动删除项目比 NSLogged 注销。

然而最终的计数仍然是1！

最奇怪的是！

原文

MapKit seems to have a strange issue!!!

I have some code that adds some annotations and then I call

NSArray *existingpoints = mapView.annotations;
[mapView removeAnnotations:existingpoints];
                if ([mapView.annotations count] > 0) {
                    for(Plane *annotation in mapView.annotations){
                        NSLog(@"Name: %@",annotation.reg);
                        [mapView removeAnnotation:annotation];
                    }
                    NSLog(@"\nMapCount:%i after attempting manual remove",[mapView.annotations count]);
                }

Now the strange bit is that from time to time I can get inside the mapView.annotations count being greater than 0. So therefore I have extra "protection" and try and manually remove the item than gets NSLogged out.

However the the final count is still 1 after all that!

Most strange!

分享到QQ

分享到微博