如何将Button添加到userLocation标注？ [英] How to add Button to userLocation callout?

问题描述

如何在Apple Maps应用程序的userLocation（蓝点）标注中显示DisclosureButton？

How can I display a DisclosureButton in the userLocation (the blue dot) callout like the Apple Maps app does?

现在我可以更改其标题和副标题，但我希望提供自定义标注视图。因此，如果我点击蓝点，它除了标题和副标题外还可以显示一个按钮。这样，当我点击按钮时，它可以引导我到另一个视图。
当注释== self.mapView.userLocation时，我在viewForAnnotation中返回了MKAnnotationView。但是，标注可以显示更新的标题和副标题，但不能显示我添加的按钮。

Now I just can change its title and subtitle, but I hope to provide custom callout views. Therefore, if I click the blue dot, it can display a button besides only title and subtitle. In this way, when I click the button, it can guide me to another View. I returned MKAnnotationView in viewForAnnotation when annotation == self.mapView.userLocation. However, the callout can display updated title and subtitle, but cannot show the button I added.

我真的需要这个功能，我希望得到任何帮助和建议！

I really need this function, and I desire any help and suggestion!

推荐答案

我已经尝试了 camdaochemgio 的解决方案，但它仅适用于第二次点击。这是一个永远有效的解决方案：

I've tried camdaochemgio's solution, but it works only for the second tap. Here is a solution which will always work:

-(void)mapView:(MKMapView *)mapView didAddAnnotationViews:(NSArray *)views
{
    for (MKAnnotationView* view in views)
    {
        if ([view.annotation isKindOfClass:[MKUserLocation class]])
        {
            view.rightCalloutAccessoryView=[UIButton buttonWithType:UIButtonTypeDetailDisclosure];
        }
    }
}

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