Re: Releasing modal view controller properly
Re: Releasing modal view controller properly
- Subject: Re: Releasing modal view controller properly
- From: David Duncan <email@hidden>
- Date: Sat, 17 Dec 2016 16:19:06 -0800
> On Dec 17, 2016, at 8:07 AM, Andreas Falkenhahn <email@hidden> wrote:
>
> I'm not using ARC so I need to take care of releasing objects manually.
> I'm creating and presenting a modal UIViewController like this:
>
> MyViewController *vc = [[MyViewController alloc] init];
>
> vc.modalPresentationStyle = UIModalPresentationFormSheet;
> vc.preferredContentSize = CGRectMake(320, 320);
>
> [self presentViewController:vc animated:YES completion:nil]
> [vc release];
>
> When touching the modal view's close button my code does the following:
>
> [[self presentingViewController] dismissViewControllerAnimated:YES completion:nil];
>
> Unfortunately, the app crashes right after the modal view has completed
> its transition animation.
>
> When I disable the line "[vc release]", I don't get any crashes and it
> works fine. Can anybody explain why? I was expecting that presentViewController()
> retained the view controller so that it is safe for me to release it
> right after making the call to presentViewController() because I don't
> need it any longer but apparently, there's something wrong in my code
> but I don't see it…
The code you’ve presented is fine, so the issue is likely to be elsewhere.
>
> --
> Best regards,
> Andreas Falkenhahn mailto:email@hidden
>
> _______________________________________________
>
> Cocoa-dev mailing list (email@hidden)
>
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
--
David Duncan
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden