Sfocker Sfocker - 1 year ago 112
iOS Question

Dragging onto the exit of the viewcontroller not working

I have looked for this problem everywhere.
I know how the unwind scene works. I have implemented the following code in the A VC

-(IBAction)returned:(UIStoryboardSegue *)segue {
try.text = @"Returned from Scene 1";

But when I go to my B VC(Which is the VC I want to go back to A VC from) and ctrl drag a button onto the exit at the bottom it will not allow me to. And no function pops up in the exits option. Anyone else had this issue or can help?

Rob Rob
Answer Source

To set up an unwind segue, you should

  1. Set up your two scenes with the standard modal or push segue between them:

    enter image description here

  2. Define the custom classes for those two scenes to be your respective view controllers.

  3. Implement the action in the .m for view controller A:

    - (IBAction)unwindToA:(UIStoryboardSegue *)segue
        //returning to A
  4. Then you can create a segue in B by control-dragging (or right-click-dragging) from some control down to the exit outlet in the bar below scene B:

    enter image description here

  5. And if everything above is configured correctly, you will now see your unwind segue listed in a popover:

    enter image description here

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