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indeterminate progress bar animation and CALayer-backed sibling view
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indeterminate progress bar animation and CALayer-backed sibling view


  • Subject: indeterminate progress bar animation and CALayer-backed sibling view
  • From: Michael Hanna <email@hidden>
  • Date: Wed, 9 Feb 2011 11:52:40 -0500

Hi all. I have a sheet which has a horizontal progress bar, and two
Core Animation backed views. The sequence of events are as such:

1 progress bar animates indeterminate
2 CALayer-backed view animates
3 progress bar animates determinate
4 CALayer-backed view stops animating
5 progress bar animates indeterminate

In stage 1, the progress bar won't animate as indeterminate("barber
pole") unless I set -usesThreadedAnimation:YES. After the CALayer
backed view animates in stage 2, the progress bar never animates
indeterminately in stage 5.

I believe the issue is related to a problem with
-usesThreadedAnimation:YES and Core Animation, but the progress bar
never animates *at all* without that call. Any suggestions or
workarounds? OS X 10.6.5

Michael
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