我创建了一个自定义注释视图,如下所述:https://sweettutos.com/2016/03/16/how-to-completely-customise-your-map-annotations-callout-views/
它工作正常并显示正确的数据/信息。 问题似乎是添加的按钮没有对.touchUpInside的响应。
let button = UIButton()
button.addTarget(self, action: #selector(ViewController.deleteFromAnnot(sender: )), for: .touchUpInside)
button.frame = CGRect.init(x: 16, y: 543, width: 268, height: 30)
button.backgroundColor = .yellow
calloutView.addSubview(button)
@objc func deleteFromAnnot(sender: UIButton)
{
print("Do something")
}
在我看来,您设置的按钮目标不正确。
取代
button.addTarget(self, action: #selector(ViewController.deleteFromAnnot(sender: )), for: .touchUpInside)
跟
button.addTarget(self, action: #selector(deleteFromAnnot(sender: )), for: .touchUpInside)