UIActionSheet with swift

Question

I created an action sheet, but the problem is that the delegate method is not called

 myActionSheet = UIActionSheet()
        myActionSheet.addButtonWithTitle(\"         


        

Answer 1

Updated for Swift 3 :

If you want to show/open UIActionSheet on Button click, used below simple and updated code in yourViewController:

//Method Defination :

func showPaymentModeActionSheet()  {

    // 1
    let optionMenu = UIAlertController(title: nil, message: "Choose Payment Mode", preferredStyle: .actionSheet)

    // 2
    let fullAction = UIAlertAction(title: "FULL", style: .default, handler: {
        (alert: UIAlertAction!) -> Void in
        self.mPaymentModeTextField.text = "FULL"

    })
    let addvanceAction = UIAlertAction(title: "ADVANCE", style: .default, handler: {
        (alert: UIAlertAction!) -> Void in
        self.mPaymentModeTextField.text = "ADVANCE"
    })

    //
    let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: {
        (alert: UIAlertAction!) -> Void in
    })


    // 4
    optionMenu.addAction(fullAction)
    optionMenu.addAction(addvanceAction)
    optionMenu.addAction(cancelAction)

    // 5
    self.present(optionMenu, animated: true, completion: nil)
}

//Method Call :

@IBAction func actionOnPaymentModeButton(_ sender: Any) {
    // open action sheet
    showPaymentModeActionSheet()
}

Answer 2

You never set the action sheet's delegate:

myActionSheet = UIActionSheet()
myActionSheet.delegate = self

Answer 3

UIActionSheet in swift language :-

Action Sheet with cancelButton and destructiveButton

set the UIActionSheetDelegate.

        let actionSheet = UIActionSheet(title: "ActionSheet", delegate: self, cancelButtonTitle: "Cancel", destructiveButtonTitle: "Done")
        actionSheet.showInView(self.view)

Action Sheet with cancelButton , destructiveButton and otherButton

        let actionSheet = UIActionSheet(title: "ActionSheet", delegate: self, cancelButtonTitle: "Cancel", destructiveButtonTitle: "Done", otherButtonTitles: "Yes", "No")
        actionSheet.showInView(self.view)

create the Action sheet function

func actionSheet(actionSheet: UIActionSheet!, clickedButtonAtIndex buttonIndex: Int)
{
    switch buttonIndex{

    case 0:
        NSLog("Done");
        break;
    case 1:
        NSLog("Cancel");
        break;
    case 2:
        NSLog("Yes");
        break;
    case 3:
        NSLog("No");
        break;
    default:
        NSLog("Default");
        break;
        //Some code here..

 }

Answer 4

Show Action sheet in Swift 4 / 5

    @IBAction func showActionSheet(sender: AnyObject) {

    let alert = UIAlertController(title: "Title", message: "Please Select an Option", preferredStyle: .actionSheet)

    
    alert.addAction(UIAlertAction(title: "Edit", style: .default , handler:{ (UIAlertAction)in
        print("User click Edit button")
    }))

    alert.addAction(UIAlertAction(title: "Delete", style: .destructive , handler:{ (UIAlertAction)in
        print("User click Delete button")
    }))
    
    alert.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler:{ (UIAlertAction)in
        print("User click Dismiss button")
    }))


    self.present(alert, animated: true, completion: {
        print("completion block")
    })
}

Answer 5

UIActionSheet is deprecated since iOS8, I would recommend using UIAlertController if you don't have to support version below:

private func presentSettingsActionSheet() {
  let settingsActionSheet: UIAlertController = UIAlertController(title:nil, message:nil, preferredStyle:UIAlertControllerStyle.ActionSheet)
  settingsActionSheet.addAction(UIAlertAction(title:"Send Feedback", style:UIAlertActionStyle.Default, handler:{ action in
    self.presentFeedbackForm()
  }))
  settingsActionSheet.addAction(UIAlertAction(title:"Tell Me a Joke!", style:UIAlertActionStyle.Default, handler:{ action in
    self.presentRandomJoke()
  }))
  settingsActionSheet.addAction(UIAlertAction(title:"Cancel", style:UIAlertActionStyle.Cancel, handler:nil))
  presentViewController(settingsActionSheet, animated:true, completion:nil)
}

Here is what it looks like presented: