How to send data back by popViewControllerAnimated for Swift?

Question

I need to send some data back from secondView to First View by popView. How can i send back the data by popViewControllerAnimated?

Thanks!

Answer 1

If you want to send data by popping, you'd do something like:

func goToFirstViewController() {
  let a = self.navigationController.viewControllers[0] as A
  a.data = "data"
  self.navigationController.popToRootViewControllerAnimated(true)
}