Re: [iOS] Block animation kills performance
Re: [iOS] Block animation kills performance
- Subject: Re: [iOS] Block animation kills performance
- From: Rick Mann <email@hidden>
- Date: Thu, 04 Aug 2011 11:27:08 -0700
Thanks!
On Aug 4, 2011, at 11:02 , Matt Neuburg wrote:
> On Sun, 31 Jul 2011 16:20:48 -0700, Rick Mann <email@hidden> said:
>> Xcode 3.2.6, iOS 4.3.
>>
>> My app shows a heartbeat as a flashing red square. Once each second, I execute the following code. If I use the block style, overall performance of the app suffers greatly (the UI becomes unresponsive to touches). If I animate the more traditional way, UI responsiveness seems normal.
>>
>> This occurs in both the simulator and the device (iPad).
>>
>> Am I doing something wrong?
>
> My book is clear on this point:
>
> http://www.apeth.com/iOSBook/ch17.html#_block_based_view_animation
>
> "User touch interactions are disabled during the animation, by default [i.e., when using what you call the block style]. This is not the case with an animation block [i.e. when using what you call the traditional way]. The optionUIViewAnimationOptionAllowUserInteraction lets you reverse this setting."
>
> m.
>
> --
> matt neuburg, phd = email@hidden, <http://www.apeth.net/matt/>
> A fool + a tool + an autorelease pool = cool!
> Programming iOS 4!
> http://www.apeth.net/matt/default.html#iosbook
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