CODEWITHSUNDEEP
iosobjective-cseguemultiple-instances
Carl Carlson
Carl Carlson

Reputation: 540

Second Segue from an Unwind Segue Action

My view controller (A) issues a perform modal segue to view controller (B). The subsequent unwind segue action issues a second perform modal segue to what I expect to be another instance of the same view controller (B). That is, I want (B) to do it's thing a second time independent of the first segue to (B). While prepareForSegue is called a second time, the second segue is never executed. View (B) hangs around until the unwind segue action and the methods it calls complete, and the second perform segue and prepareForSegue are ignored.

The only way I can think to avoid this problem is to issue a perform block after a delay allowing the return segue et. al. to go to completion.

Is there a better way?

Thanks

Upvotes: 2

Views: 101

Answers (2)

Carl Carlson
Carl Carlson

Reputation: 540

I don't understand why this happens, but now it works. I have done nothing since yesterday other than add a few breakpoints. This is not the first time adding breakpoints seems to fix a problem.

Upvotes: 0

scott
scott

Reputation: 1194

If I understand, you are calling the segue to B from view controller B like so?

- (IBAction)unwindToThisViewController:(UIStoryboardSegue *)unwindSegue
{
// Code
[self performSegueWithIdentifier:@"segueToB"];
}

You can't go to view B because you are already there. You will need to wait until B has been fully dismissed and call it from view A.

Upvotes: 0

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