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    <p>First of all, why are you avoiding removing the animation upon completion? You don't need these two lines,</p> <pre><code>animation.removedOnCompletion = NO; animation.fillMode = kCAFillModeForwards; </code></pre> <p>since you are actually setting the layer's transform property. Those two lines are what you would use if all you wanted was the final <strong>visual</strong> state after the animation while keeping the transform the same as the original (which frankly I've never had a use for).</p> <p>The next thing you have to realize is that you are setting the transform to the same value twice. Setting the transform on a layer is not additive by default. What I mean is that while you are expecting it to take your first transform and concatenating the same transform again from the final transform state, it doesn't work that way with the code you're using. You won't see a change because you're setting the state to the state it already has. </p> <p>I haven't tried it, but I think that you could probably take the first transform and concatenate the new one. Something like:</p> <pre><code>layer.transform = CATransform3DRotate(layer.transform, M_PI/8.0, 0, 0, 1); </code></pre> <p>Notice how I'm starting from the current transform on the layer (first parameter of CATransform3DRotate), instead of identity. Give that a try. If it doesn't work, try something like:</p> <pre><code>layer.transform = CATransform3DConcat(layer.transform, CATransform3DMakeRotation(M_PI/8.0, 0, 0, 1)); </code></pre>
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    1. POiPhoneSDK Setting CALayer.transform does not work after animation is finished
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    1. USMatt Long
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    1. COWell, I need the final visual state (after animation) to remain, until I set it to a new value manually later on. That's why I set removedOnCompletion=NO; I know about transforms and concatenating them, but even if I set the transform to a different value (other than M_PI/8.0) after animation it doesn't reflect visually. It seems as if the layer's visual state gets locked after the animation with my current code. I think I'll hv to avoid using removedOnCompletion stuff and go with manually setting the layer.transform in animationDidStop. I don't know whether it works. I'll try and post here.
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      1. USravinsp
    2. COI did the same once (removedOnCompletion = NO, fillMode = kCAFillModeForwards). But then I saw that this has some effect when restoring application state (from not active/background to active/foreground). What I saw is that it is the **model value** which is used to restore layer on screen, and then the whole animation executes (neglecting duration value). It was only on one of iPhone or iPad simulators (I cannot recall which one).
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