如何在Swift(iOS 7)中向UIAlertView添加操作

Question

我想在重试按钮中添加一个动作,但是当用户按下重试按钮时没有任何反应.

var createAccountErrorAlert: UIAlertView = UIAlertView()

createAccountErrorAlert.delegate = self                

createAccountErrorAlert.title = "Oops"
createAccountErrorAlert.message = "Could not create account!"
createAccountErrorAlert.addButtonWithTitle("Dismiss")
createAccountErrorAlert.addButtonWithTitle("Retry")

createAccountErrorAlert.show()

确定按钮索引的功能？

func alertView(View: UIAlertView!, clickedButtonAtIndex buttonIndex: Int){

    switch buttonIndex{

    case 1:
        createAccount()

    default:
        //Some code here..

    }
}

Answer 1

我测试了你的代码,它对我来说很好,它打印相应的结果:

func showAlert(){
    var createAccountErrorAlert: UIAlertView = UIAlertView()

    createAccountErrorAlert.delegate = self

    createAccountErrorAlert.title = "Oops"
    createAccountErrorAlert.message = "Could not create account!"
    createAccountErrorAlert.addButtonWithTitle("Dismiss")
    createAccountErrorAlert.addButtonWithTitle("Retry")

    createAccountErrorAlert.show()
}

func alertView(View: UIAlertView!, clickedButtonAtIndex buttonIndex: Int){

    switch buttonIndex{

    case 1:
        NSLog("Retry");
    break;
    case 0:
        NSLog("Dismiss");
        break;
    default:
        NSLog("Default");
        break;
        //Some code here..

    }
}

当我点击关闭按钮时打印关闭.