I seem to recall that one of the WWDC 2010 instructional videos - available for free from Apple's developer site - mentions that the block version has UIViewAnimationOptionAllowUserInteraction off by default.
That being said, have you filed a document enhancement request? WT On Mar 20, 2011, at 1:59 PM, David Rowland wrote: > That did it. > > The "View Programmming Guide for iOS", discusses both methods and implies > that their code samples are equivalent. They don't say, or I didn't see, that > the option you mention is on by default for the begin/commit style and off > for the newer block style. > > thanks, > > David > > > > On Mar 19, 2011, at 5:08 PM, Roland King wrote: > >> UIViewAnimationOptionAllowUserInteraction ? >> >> >> >> On Mar 20, 2011, at 5:42, David Rowland <rowla...@sbcglobal.net> wrote: >> >>> This works. It fades the label to invisibility. >>> >>> label.alpha = 1.0; >>> [UIView beginAnimations:nil context:nil]; >>> [UIView setAnimationDuration:2.5]; >>> label.alpha = 0; >>> [UIView commitAnimations]; >>> >>> >>> and so does this, >>> >>> label.alpha = 1.0; >>> [UIView animateWithDuration:2.5 animations:^{label.alpha = 0.0;} ]; >>> >>> >>> The documentation says the latter is now preferred and does the same thing >>> as the former. In particular, both will >>> start a separate thread for the animation. >>> >>> My problem is that the second method seems to block the main thread. While >>> it is acting I cannot use any of the controls on the screen. The first >>> method lets me do what I wish as it proceeds. >>> >>> >>> Anyone have advice? >>> >>> thanks, >>> >>> David _______________________________________________ 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