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I used code to push an viewcontroller
[self.navigationController pushViewController:vViewController animated:false];
but I prefer that view do something but not to display for uses, so I wrote in viewDidLoad of vViewController
[self.view setFrame:CGRectMake(2000, 2000, self.view.bounds.size.width, self.view.bounds.size.height)];
but nothing happened
Welcome any comment
A viewController controls a view.
If you do not want to have a view associated with your object that you are pushing to then you shouldn’t be using a viewController.
Just use an NSObject.
Seems very odd to use a viewController and not show its view.