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I have a navigation controller-based app in which I would like to temporarily disable the navigation controller (top left button) at a certain point in the app so that the user can’t get out of the view while I’m uploading a file. Is there a way to disable the “back” button so that users can’t get out of the view?
You could hide the navigation bar entirely with
in the appropriate views.
I don’t know of an Apple-approved way to disable or otherwise interact with the back button.