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mekanics/gist:2058072

Created March 17, 2012 12:00
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UIView Shadow Animation
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gistfile1.m
#import <QuartzCore/CAAnimation.h>
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"shadowOpacity"];
animation.fromValue = [NSNumber numberWithFloat:1.0];
animation.toValue = [NSNumber numberWithFloat:0.0];
animation.duration = 1.0;
[view.layer addAnimation:animation forKey:@"shadowOpacity"];
view.layer.shadowOpacity = 0.0;
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