Is it possible to cancel a segue in the prepareForSegue: method? I want to perform some check before the segue, and if the condition is not true (in this case, if some UITextField is empty), display an error message instead of performing the segue. 10 Answers 10
I have many annotations in a mapview (with rightCalloutAccessory buttons). The button will perform a segue from this mapview to a tableview. I want to pass the tableview a different object (that holds data) depending on which callout button was clicked. For example: (totally made up) annotation1 (Austin) -> pass data obj 1 (relevant to … Read more
