Initialising parentView of parentView issue

Question

I have a viewController with containerView andUIPageViewController.

I'm calling editingProfile method but it won't pass into parentNewCarRequestVC. But once I make an action it passes into parentNewCarRequestVC. So please how I can initialise the parentView once the screen start.

I'm so sorry if I didn't explain my issue well.

override func viewDidAppear(animated: Bool) {
    editingProfile()
}

func editingProfile(){
    if let parentVC = self.parentViewController as? UIPageViewController{
        if let parentNewCarRequestVC = parentVC.parentViewController as? NewCarRequestViewController{

            print("DONE")
        }
    }
}

I called the method in the viewDidLoad but it didn't work :( @AbhishekSharma — Luai Kalkatawi, Dec 03 '15 at 12:44

score 0 · Answer 1 · answered Dec 03 '15 at 12:42

0

Your assumptions must be wrong. Do this:

func editingProfile(){

   print(self.parentViewController)
   print(self.parentViewController.parentViewController)

    if let parentVC = self.parentViewController as? UIPageViewController{
        if let parentNewCarRequestVC = parentVC.parentViewController as? NewCarRequestViewController{

        print("DONE")
    }
}

}

Show us the debugger output for both prints.

answered Dec 03 '15 at 12:42

Earl Grey

7,426
6
39
59

The output: 1st: Optional() 2nd: nil – Luai Kalkatawi Dec 03 '15 at 12:46
Could you tell me please why it enter once I make any action? – Luai Kalkatawi Dec 03 '15 at 12:54
So your parent of parent is nil. It's pretty simple. If it is "nil" your code will never reach DONE. – Earl Grey Dec 03 '15 at 13:03
Yeah I understand that. So is there any solution for it? – Luai Kalkatawi Dec 03 '15 at 13:06

score 0 · Answer 2 · answered Dec 03 '15 at 13:01

0

call ur method id viewDidLoad. If u want to call in viewWillAppear then initialise in viewDidLoad and

parentNewCarRequestVC = parentVC.parentViewController as? NewCarRequestViewController in viewWillAppear.

answered Dec 03 '15 at 13:01

vikash1307

272
2
12

I'm sorry how could I initialise in viewDidLoad? – Luai Kalkatawi Dec 03 '15 at 13:10

Initialising parentView of parentView issue

2 Answers2

parentNewCarRequestVC = parentVC.parentViewController as? NewCarRequestViewController in viewWillAppear.