Re: iPhone: CATransition done (get the key?)
Re: iPhone: CATransition done (get the key?)
- Subject: Re: iPhone: CATransition done (get the key?)
- From: "Eric E. Dolecki" <email@hidden>
- Date: Wed, 13 Jan 2010 12:18:45 -0500
Is there a way to do it without retaining a reference? I could do that, but
what is that key used for if not for referencing later somehow?
On Wed, Jan 13, 2010 at 11:43 AM, Fritz Anderson <email@hidden>wrote:
> On 13 Jan 2010, at 8:44 AM, Eric E. Dolecki wrote:
>
> > Currently I am using CATransition to display a subview:
> >
> > [window addSubview:monthView.view];
> >
> > CATransition *animation = [CATransition animation];
> >
> > [animation setDuration:0.25];
> >
> > *[animation setDelegate:self];*
> >
> > [animation setType:kCATransitionPush];
> >
> > [animation setSubtype:kCATransitionFromLeft];
> >
> > [animation setTimingFunction:[CAMediaTimingFunction
> > functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
> >
> > [[monthView.view layer] addAnimation:animation forKey:@"fadeIn"];
> >
> >
> > So that delegate opens up a callback for animationDidStop:
> >
> > - (void)animationDidStop:(CAAnimation *)theAnimation finished: (BOOL)flag
> {
> >
> > However I also have a method to dismiss a subView using CATransition -
> and
> > the same callback is called. How can I determine what the *key* is in the
> > animationDidStop? I basically just need to determine in what context the
> > animationDidStop is being called.
> >
> > Thanks for any pointers. Continuing to Google.
>
> Do I understand correctly that you want to know which animation the
> animationDidStop:finished: refers to? Why not use the theAnimation
> parameter? You can retain a reference to your two animations and do
>
> if (theAnimation == dismissAnimation)
>
> to choose the proper action.
>
> BTW, terminology nit: "Delegate" refers to the object responding to the
> callback methods, not to any action of a delegate, object using a delegate,
> or any occurrence of setting a delegate object.
>
> — F
>
>
--
http://ericd.net
Interactive design and development
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