同一 window 中的两个弹出警报

Question

我正在尝试在同一个 window、

中获得两个弹出警报

但是有了第二个警报功能，程序运行但是当点击按钮时，崩溃并报错

错误：libc++abi.dylib：以 NSException

类型的未捕获异常终止

@IBAction func buttonPressed(sender: UIButton) {

    let title = "Display Title"
    let message = "You just clicked on Display Alert"
    let okText = "OK"

    let title1 = "Display Title"
    let message1 = "You just clicked on Display Alert"
    let okText1 = "OK"

    let alert = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.Alert)
    let okayButton = UIAlertAction(title: okText, style: UIAlertActionStyle.Cancel, handler: nil)
    alert.addAction(okayButton)

    let alert1 = UIAlertController(title: "title1", message: "message1", preferredStyle: UIAlertControllerStyle.Alert)
    let okayButton1 = UIAlertAction(title: okText1, style: UIAlertActionStyle.Cancel, handler: nil)
    alert.addAction(okayButton1)


    presentViewController(alert, animated: true, completion: nil)
    presentViewController(alert1, animated: true, completion: nil)

}

Answer 1

您一次只能显示一个 UIAlertController。

Answer 2

您可以使用 TKSwarmAlert 自定义控件，但不会有关闭按钮。

同一 window 中的两个弹出警报

Two pop up alerts in same window

ios

swift

uialertcontroller