show alert with textfield swift
//1. Create the alert controller. let alert = UIAlertController(title: "Some Title", message: "Enter a text", preferredStyle: .alert) //2. Add the text field. You can configure it however you need. alert.addTextField { (textField) in textField.text = "Some default text" } // 3. Grab the value from the text field, and print it when the user clicks OK. alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { [weak alert] (_) in let textField = alert.textFields![0] // Force unwrapping because we know it exists. print("Text field: \(textField.text)") })) // 4. Present the alert. self.present(alert, animated: true, completion: nil)