On Aug 25, 2010, at 9:41 AM, Scott Andrew wrote:

> I'll need to refigure this out becuase we are trying to load/draw a fairly 
> complex page where the scrollview is transparent and there are several 
> composited buttons on a an almost full screen view.  I am still curious why 
> this would work on OS 3.2 and not on OS 4 and work like butter. I wonder if 
> the threads operations were scheduled differently or started from the main 
> thread originally. The other place i go this idea was from the advanced 
> iphone projects book. 

I would bet that NSOperation on iOS4 is using grand central dispatch, whereas 
NSOperation on iOS3 probably used NSThreads. In any case, as the other 
commenter said, doing UI operations on any thread other than the main one is 
going to cause lots of weirdness.

-- 
Dave Carrigan
d...@rudedog.org
Seattle, WA, USA

_______________________________________________

Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)

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:
http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to