Xcode 3.2.6, iOS 4.3.
My app shows a heartbeat as a flashing red square. Once each second, I execute
the following code. If I use the block style, overall performance of the app
suffers greatly (the UI becomes unresponsive to touches). If I animate the more
traditional way, UI responsiveness seems normal.
This occurs in both the simulator and the device (iPad).
Am I doing something wrong?
- (void)
heartbeat
{
self.heartbeatIndicator.alpha = 1.0f;
#if 0
[UIView animateWithDuration: 0.5
animations:
^{
self.heartbeatIndicator.alpha = 0.0f;
}];
#else
[UIView beginAnimations: @"heartbeat" context: NULL];
[UIView setAnimationDuration: 0.5];
self.heartbeatIndicator.alpha = 0.0f;
[UIView commitAnimations];
#endif
}
--
Rick
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