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.

--Kyle Sluder
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