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如何在我的 Pin 注释上显示标题并使其可单击以执行某些操作？

发布于 2024-11-26 05:56:42 字数 82 浏览 1 评论 0原文

在我的 MapView 中，我在某些位置放置了图钉，现在我想在这些图钉注释上显示一些标题并使其可单击，以便单击时我可以推送另一个视图。请帮忙！！！！

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亽野灬性zι浪 2024-12-03 05:56:42

这是代码片段：

使用此方法的自定义注释视图

- (MKAnnotationView *)mapView:(MKMapView *)map viewForAnnotation:(id <MKAnnotation>)annotation
{
    if (annotation == mapView.userLocation) return nil;

    MKPinAnnotationView *pin = (MKPinAnnotationView *) [mapView dequeueReusableAnnotationViewWithIdentifier: @"asdf"];
    if (pin == nil)
    {
        pin = [[[MKPinAnnotationView alloc] initWithAnnotation: annotation reuseIdentifier: @"asdf"] autorelease];
    }
    else
    {
        pin.annotation = annotation;
    }
    pin.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
    pin.pinColor = MKPinAnnotationColorRed;
    pin.animatesDrop = YES;
    [pin setEnabled:YES];
    [pin setCanShowCallout:YES];
    return pin;

}

点击按钮时调用的委托方法

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{

    //DetailPg=[[BookMarksDetail alloc]initWithNibName:@"BookMarksDetail" bundle:nil];
    //DetailPg.selectRest =[view.annotation title]; //In addition, to get the Title of the AnnotationView.
    //DetailPg.m=1;
    //[self.navigationController pushViewController:DetailPg animated:YES];
    //[DetailPg release];

}

This is the code snippet:

Custom Annotation View using this method

- (MKAnnotationView *)mapView:(MKMapView *)map viewForAnnotation:(id <MKAnnotation>)annotation
{
    if (annotation == mapView.userLocation) return nil;

    MKPinAnnotationView *pin = (MKPinAnnotationView *) [mapView dequeueReusableAnnotationViewWithIdentifier: @"asdf"];
    if (pin == nil)
    {
        pin = [[[MKPinAnnotationView alloc] initWithAnnotation: annotation reuseIdentifier: @"asdf"] autorelease];
    }
    else
    {
        pin.annotation = annotation;
    }
    pin.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
    pin.pinColor = MKPinAnnotationColorRed;
    pin.animatesDrop = YES;
    [pin setEnabled:YES];
    [pin setCanShowCallout:YES];
    return pin;

}

Delegate method which get's called when you tap on the button

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control
{

    //DetailPg=[[BookMarksDetail alloc]initWithNibName:@"BookMarksDetail" bundle:nil];
    //DetailPg.selectRest =[view.annotation title]; //In addition, to get the Title of the AnnotationView.
    //DetailPg.m=1;
    //[self.navigationController pushViewController:DetailPg animated:YES];
    //[DetailPg release];

}

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梦初启 2024-12-03 05:56:42

Apple 文档中提供了所有这些问题的答案，我建议您仔细阅读它们。然而，要进行调出，您所需要做的就是设置标题属性。

对于按钮等，您需要使用 MapView Delegate 方法：

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation {

_pin.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];

Apple 建议重用注释，这是您需要考虑的事情。

The answers to this are all provided in Apples Docs I suggest you read them more closely. However to have a call out all you need to do is set the title property.

For buttons and such you need to use the MapView Delegate method:

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id<MKAnnotation>)annotation {

_pin.rightCalloutAccessoryView = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];

Apple suggests reusing annotations this is something you will need to take into account.

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