与pickerView按钮动作迅速UIAlertController熬夜
问题描述:
我在SWIFT新,我试图让UIAlertContoller
与PickerView
但我有问题的Buttones, 这里照片与pickerView按钮动作迅速UIAlertController熬夜
当我试图改变约束的按钮熬夜 我在这里读了很多答案,但我没有找到任何solotuin
这是我的代码:
func distance(){
let editRadiusAlert = UIAlertController(title: "Choose distance", message: "", preferredStyle: UIAlertControllerStyle.alert)
let pickeViewFrame: CGRect = CGRect(x: 0, y: 0, width: 250, height: 300)
let pickerViewRadius: UIPickerView = UIPickerView(frame: pickeViewFrame)
pickerViewRadius.delegate = self
pickerViewRadius.dataSource = self
editRadiusAlert.view.addSubview(pickerViewRadius)
editRadiusAlert.addAction(UIAlertAction(title: "Done", style: UIAlertActionStyle.default,handler:nil))
editRadiusAlert.addAction(UIAlertAction(title: "Cancel", style: UIAlertActionStyle.cancel, handler: nil))
editRadiusAlert.view.addConstraint(NSLayoutConstraint(item: editRadiusAlert.view, attribute: NSLayoutAttribute.height, relatedBy: NSLayoutRelation.equal, toItem: nil, attribute: NSLayoutAttribute.notAnAttribute, multiplier: 1, constant: self.view.frame.height * 0.5))
self.present(editRadiusAlert, animated: true, completion: nil)
}
答
而不是增加pickerView
作为子视图尝试设置contentViewController
UIAlertController
像这样。
let vc = UIViewController()
vc.preferredContentSize = CGSize(width: 250,height: 300)
let pickerView = UIPickerView(frame: CGRect(x: 0, y: 0, width: 250, height: 300))
pickerView.delegate = self
pickerView.dataSource = self
vc.view.addSubview(pickerView)
let editRadiusAlert = UIAlertController(title: "Choose distance", message: "", preferredStyle: UIAlertControllerStyle.alert)
editRadiusAlert.setValue(vc, forKey: "contentViewController")
editRadiusAlert.addAction(UIAlertAction(title: "Done", style: .default, handler: nil))
editRadiusAlert.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
self.present(editRadiusAlert, animated: true)
它看起来像下面。
非常感谢你! –
我尝试反馈,但我没有声望 –
@SaharVanunu欢迎队友:) –