On 6 Aug 2012, at 01:01, Kyle Sluder wrote:
> On Aug 5, 2012, at 10:34 AM, "Gerriet M. Denkmann" <gerr...@mdenkmann.de>
> wrote:
>
>> I tried instead:
>> // opacity is 0.5
>> [ CATransaction begin];
>> [ CATransaction setAnimationDuration: 9 ];
>> layer.opacity = 1;
>> [ CATransaction commit];
>>
>> [ CATransaction begin];
>> [ CATransaction setAnimationDuration: 9 ];
>> layer.opacity = 0.5;
>> [ CATransaction commit];
>> but I only see the resulting opacity of 0.5.
>>
>> The view controller is a child of another view controller. The view is
>> subview of another view.
>
> Any reason you're animating the layer properties instead of the view
> properties? UIView exposes transform and opacity, and has its own animation
> methods.
No reason at all.
But I tried self.view.alpha instead of layer.opacity and did not see anything
changing either.
Now this code seems to be working:
CALayer *layer = self.view.layer;
if ( animated )
{
CABasicAnimation *thAnimation = [ CABasicAnimation
animationWithKeyPath: @"transform" ];
thAnimation.duration = 0.3;
CATransform3D oldTrans = layer.transform;
thAnimation.fromValue = [ NSValue valueWithCATransform3D:
oldTrans ];
CATransform3D newTrans = CATransform3DMakeAffineTransform (m);
thAnimation.toValue = [ NSValue valueWithCATransform3D:
newTrans ];
[ layer addAnimation: thAnimation forKey: @"rotateSlowly" ];
};
[ layer setAffineTransform: m ];
Gerriet.
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