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cumanzor/alert.swift

Created December 5, 2018 07:11
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  1. cumanzor created this gist Dec 5, 2018.
    28 changes: 28 additions & 0 deletions alert.swift
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,28 @@
    extension UIViewController {
    func showAlert(withTitle title: String, message : String, withActions actions:[UIAlertAction] = [], withCompletion c:(()->())?=nil) {
    let alertController = UIAlertController(title: title, message: message, preferredStyle: .alert)

    if actions.isEmpty{ // default ok action
    let defaultAction = UIAlertAction(title: "Ok", style: .default)
    alertController.addAction(defaultAction)
    }

    for action in actions{
    alertController.addAction(action)
    }

    self.present(alertController, animated: true, completion: c)
    }
    }

    // use it like this:
    // show a simple message with an ok action that just dismisses the alert
    showAlert(withTitle: "Error", message: "Unable to do stuff.")


    // add an action (pop the VC)
    let backAction = UIAlertAction(title: "Ok", style: .default) { (action) in
    self.navigationController?.popViewController(animated: true)
    }
    showAlert(withTitle: "Error", message: "Unable to do stuff, please return and try again.", withActions: [backAction])