UIButton 不适用于 didSelectAnnotationView

Question

您好，当用户点击图钉制作器时，我在 didSelectAnnotationView 中有自定义视图我正在显示带有 UILabel 和 UIButton 的自定义视图，一切正常，但 UIButton 不可点击，请告知如何解决此问题。

我的代码。

     -(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view1
     {
            NSString *bult;

       if ([view1.annotation isKindOfClass:[MapPin class]]) {
            MapPin *annot = view1.annotation;
            NSLog(@"tit%@",annot.nsname);
            bult=annot.nsname;

         }


     myview = [[UIView alloc]initWithFrame:CGRectMake(-60, -110, 200, 100)];
     myview.layer.cornerRadius = 10;
     myview.backgroundColor = [UIColor yellowColor];
     myview.userInteractionEnabled = YES;
     [view1 addSubview:test];

     buldingname = [[UILabel alloc] initWithFrame:CGRectMake(5, -15, 150, 80)];
     buldingname.text=bult;
     [buldingname setTextColor:[UIColor blackColor]];
     [buldingname setBackgroundColor:[UIColor clearColor]];
     [buldingname setFont:[UIFont fontWithName: @"Trebuchet MS" size: 14.0f]];
     buldingname.lineBreakMode = NSLineBreakByWordWrapping;
     buldingname.numberOfLines = 3;

     [myview addSubview:buldingname];


    moredetail=[UIButton buttonWithType:UIButtonTypeRoundedRect];
    moredetail.frame= CGRectMake(0, 55, 200, 50);
   [moredetail setTitle:@"Click here for more details" forState:UIControlStateNormal];
   [moredetail addTarget:self action:@selector(nextbtn:) forControlEvents:UIControlEventTouchUpInside];

   [moredetail setExclusiveTouch:YES];
   [myview addSubview:moredetail];


 }

我的调用方式。

    - (IBAction)nextbtn:(id)sender
   {
        NSLog(@"click");
   }

我已经使用了上面的代码，它不起作用请告诉我我在哪里做错了如何解决这个问题。

提前致谢。

Answer 1

您需要先将子视图添加到您的自定义视图，然后它才起作用。

-(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view1
     {
            NSString *bult;

       if ([view1.annotation isKindOfClass:[MapPin class]]) {
            MapPin *annot = view1.annotation;
            NSLog(@"tit%@",annot.nsname);
            bult=annot.nsname;

         }


     myview = [[UIView alloc]initWithFrame:CGRectMake(-60, -110, 200, 100)];
     myview.layer.cornerRadius = 10;
     myview.backgroundColor = [UIColor yellowColor];
     myview.userInteractionEnabled = YES;
     [view1 addSubview:myview];

     buldingname = [[UILabel alloc] initWithFrame:CGRectMake(5, -15, 150, 80)];
     buldingname.text=bult;
     [buldingname setTextColor:[UIColor blackColor]];
     [buldingname setBackgroundColor:[UIColor clearColor]];
     [buldingname setFont:[UIFont fontWithName: @"Trebuchet MS" size: 14.0f]];
     buldingname.lineBreakMode = NSLineBreakByWordWrapping;
     buldingname.numberOfLines = 3;

     [myview addSubview:buldingname];


    moredetail=[UIButton buttonWithType:UIButtonTypeRoundedRect];
    moredetail.frame= CGRectMake(0, 55, 200, 50);
   [moredetail setTitle:@"Click here for more details" forState:UIControlStateNormal];
   [moredetail addTarget:self action:@selector(nextbtn:) forControlEvents:UIControlEventTouchUpInside];

   [moredetail setExclusiveTouch:YES];
   [myview addSubview:moredetail];


 }

检查此代码

Answer 2

它不起作用，因为 mapView 仍在处理触摸事件。只需在以下位置添加一个 DetailView：

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

    if ([annotation isKindOfClass:[MKUserLocation class]])
        {
            return nil;
        }

    static NSString *reuseIdentifier = @"Your_identifier";

    MKAnnotationView *view = [mapView dequeueReusableAnnotationViewWithIdentifier:reuseIdentifier];
    if (view == nil)
    {
        view = [[MKAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:reuseIdentifier];
        view.image = [UIImage imageNamed:@"your_annotaion_image.png"];
    }

     view.canShowCallout = YES;

     UIButton* rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
     [rightButton addTarget:self action:@selector(showDetails:) forControlEvents:UIControlEventTouchUpInside];
     view.rightCalloutAccessoryView = rightButton;

     UIImageView *icon = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"your_icon_image"]];
     view.leftCalloutAccessoryView = icon;

     return view;
    }

然后你可以调用：

-(void)showDetails:(UIButton*)button
{
   //do your stuff here
}

完全没有必要自己构建注解标注视图，只需更改默认视图的设计即可。

UIButton 不适用于 didSelectAnnotationView

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