If I recall correctly, in iOS 4.0, this was reversed, but the next update
changed the behavior to what we have now.
On Mar 20, 2011, at 1:25 PM, WT wrote:
> 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
Jeff Kelley
SlaunchaMan@gmail.com_______________________________________________
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