1. First view controller
import UIKit
class ViewController: UIViewController, mydelegate {
@IBOutlet weak var txtfield: UITextField!
func myfunc(controller: SecondViewController,
text: String) {
self.txtfield.text = text
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
let vc = segue.destinationViewController as! SecondViewController
vc.data = self.txtfield.text
vc.delegate = self
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
2. Second View controller
import UIKit
protocol mydelegate {
func myfunc(controller: SecondViewController, text: String)
}
class SecondViewController: UIViewController {
@IBOutlet weak var txtfield: UITextField!
var delegate: mydelegate? = nil
var data : String = ""
@IBAction func back_touchinside(sender: AnyObject) { // Button touch inside event
if(delegate != nil) {
delegate!.myfunc(self, text: txtfield.text)
}
self.dismissViewControllerAnimated(true, completion: nil) // KEY!!!
}
override func viewDidLoad() {
super.viewDidLoad()
txtfield.text = data
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
