On Dec 7, 2010, at 3:16 AM, Gustavo Pizano wrote:
> Hello Guys..
>
> I see, I have been using GCD and blocks but on somme OSX app I did before,
> not on iPhone, I tough tit wasn't there... :P.
Blocks/GCD are in iOS 4.0 and higher. Assuming you have a paid developer
account, you may want to watch the relevant WWDC videos from last year.
>
> SO, I from within the method( block) that makes all the saving process, I do
> something like
>
>>> dispatch_async(dispatch_get_main_queue(), ^{
>>> // code executed on main thread goes here (i.e., updating the
>>> progress indicator in your case
>>>
>>> });
>
>
> and update the progress indicator bar, great im gonna try that..
Yes.
>
> also I have the option to call from within the same method a [<MyConotroller
> With the Progress indicator> performSelectorinMainThread:
> withObject:<NSNumber with the float value to add> waitUntilDone:NO];
>
> right?
Yes, ssuming the selector you pass (you left it out) takes the NSNumber and
updates the progress bar.
>
>
> What about the saving operation improving its saving time?, I will check
> today what takes longer, if creating the thumbnial, or encoding the views,
> maybe I shouldn't encode the whole view, but s just the image reference and
> the transform matrix... ?/ I will try that one also.
I didn't look at your code closely and don't have the other code around it to
profile which part is taking so long.
Dave
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