Weirdly enough, this does not work:
NSLog(@"started");
NSViewAnimation *viewAnimation = [[NSViewAnimation alloc]
initWithViewAnimations:
[NSArray arrayWithObjects:
[NSDictionary dictionaryWithObjectsAndKeys:
sender,NSViewAnimationTargetKey,
NSViewAnimationFadeOutEffect, NSViewAnimationEffectKey,
[NSValue valueWithRect:NSMakeRect(200, 200, 200, 200)],
NSViewAnimationEndFrameKey,
nil],
nil]];
[viewAnimation setDuration:5.0];
[viewAnimation startAnimation];
NSLog(@"ended");
the button moves, but it does not fade out. It just disappears from
its final location and after a while appears in the middle of the
parent View.
The CoreAnimation layer is enabled for the main window's view.
Weird
2011/5/19 Quincey Morris <quinceymor...@earthlink.net>:
> On May 19, 2011, at 11:22, Gustavo Pizano wrote:
>
>> Why will it be a bug?, a fade-in animation goes form 0 to 1 alpha, so at the
>> start point the alpha value must 0 no?
>
> What actually happens in Snow Leopard (IIRC -- it was a few weeks ago that I
> was using NSViewAnimation) is that the view fades in normally, but at the end
> of animation it vanishes again because it's still officially hidden. So, the
> fade-in animation works, but it just doesn't "stick" at the end. You can
> google the 'NSViewAnimationFadeInEffect' effects key if you want to read more
> about it.
>
> The *technical* answer to the OP's question is easily findable by googling.
> However, in this case, the fault is really Apple's. It's hard to know that
> NSViewAnimation even exists, starting from any obvious place, such as the
> NSView documentation. The OP and the people who responded can't really be
> blamed for not realizing there are two intermediate APIs -- NSViewAnimation
> and NSAnimation -- between the obvious extremes that *are* well-pointed-to in
> the documentation -- [NSView animator] and layers.
>
>
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