How to hide a UIView completely when changing orientation?

Question

I want to design a view/view controler that automaticaly shows/hides a subview when in landscape orientation. I want the subview to dissapear completely and other subviews to take up its space.

Using a UIViewController, I wrote code that sets the subviews' frame property and call it on:

- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration;

This solves the problem most of the times but has problems when the orientation change is happening when the view is not appearing. to bypass this, I am also calling the resizing method on:

- (void)viewWillAppear:(BOOL)animated;

but this has problems in some rare cases (involving a UISearchDisplayController) so I am also calling the resizing method on

- (void)viewDidAppear:(BOOL)animated;

As you can understand, I am unhappy with this code and I am looking for a better/more performant way to do this.

Any ideas?

Answer 1

Inside

- (void)didRotateFromInterfaceOrientation:
    (UIInterfaceOrientation)fromInterfaceOrientation

To hide it

sub_view.hidden = YES;

To show it again

sub_view.hidden = NO;