Re: Multiple simultaneous UIAlertControllers
Re: Multiple simultaneous UIAlertControllers
- Subject: Re: Multiple simultaneous UIAlertControllers
- From: Tomasz Muszyński <email@hidden>
- Date: Thu, 05 Nov 2015 23:44:31 +0100
You should present next UIAlertController when first one has been dismissed (when UIAlertAction handler is called).
Tomek
> Wiadomość napisana przez Carl Hoefs <email@hidden> w dniu 05.11.2015, o godz. 23:37:
>
> iOS 9.1, iPhone 5S, ObjC
>
> I'm getting the following runtime warning due to multiple simultaneous UIAlertControllers presenting at the same time:
>
> Warning: Attempt to present <UIAlertController: 0x1835c000> on <MyViewController: 0x17d26e70> which is already presenting <UIAlertController: 0x18381400>
>
> I know only one alert view controller can be presenting at a time, so the way I thought to serialize execution of each -presentViewController:: is:
>
> dispatch_async( dispatch_get_main_queue(), ^{
> [ self presentViewController: alert
> animated: YES
> completion: nil ];
> });
>
> Why isn't dispatch_get_main_queue() enforcing serialized execution? Is there another way to do this?
> -Carl
>
>
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