On Nov 1, 2008, at 4:22 PM, Jeshua Lacock wrote:
On Nov 1, 2008, at 2:20 PM, Ashley Clark wrote:
As well I don't see in my version of the SDK where UIAnimator is
defined. If you're trying to use private API here, don't. Just
set the duration on the anim object directly and add it to your
CALayer. You can get the layer used by a view by sending the
layer message to the view (NS or UI).
You mean directly by setting the properties like with:
anim.duration = 3.0;
anim.values = images;
anim.calculationMode = @"discrete";
anim.repeatCount = HUGE_VAL;
anim.duration = 3.0;
is also equivalent to
[anim setDuration:3.0];
The dot syntax for properties is just syntactic sugar.
So is that what you were recommending?
What I recommended was setting the duration on the animation directly,
such as [anim setDuration:myDuration], or anim.duration = myDuration.
You rewrote all of your setters in dot-syntax, suggesting to me that
you thought they were different in some way. They're not.
I have also tried that method.
I have tried adding it to the layer with:
[[self layer] addAnimations:anim withDuration:1.5 start:YES];
Is that what you mean? Or could you please show me an example?
// where someLayer is initialized elsewhere
CALayer *someLayer;
[someLayer addAnimation:anim forKey:@"imageFlipping"];
The key used at the end is just used as a way for you to remove
your animation or retrieve it at a later point.
It is crashing with or without adding the animation, so it seems
like CAKeyframeAnimation is not liking my images NSArray. They have
valid memory addresses, and I am using the same array of UIImages
somewhere else, so not sure what the issue might be.
I'm stumped!
As I understand the Core Animation framework, if you don't add the
animation object to a layer none of its' methods will be called and
none of the images you assigned to it will be accessed. So, if you're
still crashing even when you're not adding the animation to a layer,
your crash is because of some other over-released object. I'd suggest
going over your code and making sure you're retaining all the objects
you should be and releasing only the ones you created or took
responsibility for.
Ashley
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