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Re: Appropriate -setWantsLayer: timing
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Re: Appropriate -setWantsLayer: timing


  • Subject: Re: Appropriate -setWantsLayer: timing
  • From: Simon Wolf <email@hidden>
  • Date: Tue, 16 Feb 2010 22:45:32 +0000

Hi Keith,

In addition to David's reply, a small tip is that you can also get things working if you call setWantsLayer: and then follow it by assigning a layer:

[self setWantsLayer:YES];
[self setLayer:[CALayer layer]];

Otherwise the layer is added at some undetermined future point which may not (in my experience ever) be in the current run loop.

Simon Wolf

Website: http://www.ottersoftware.com
Twitter: http://www.twitter.com/sgaw


On 16 Feb 2010, at 20:52, Keith Duncan wrote:

> I'm wondering when writing a layer hosting view, when the most appropriate time is to set the layer and call -setWantsLayer:YES?
>
> Calling it in -initWithFrame: is too early and the view fails to 'draw'.
>
> Keith
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