Bra*_*den 10
它就像导入<QuartzCore/QuartzCore.h>和使用类似的代码片段一样简单:
self.viewAboutContainer.layer.shadowColor = [[UIColor blackColor] CGColor];
self.viewAboutContainer.layer.shadowOpacity = 0.7;
self.viewAboutContainer.layer.shadowRadius = 4.0;
self.viewAboutContainer.layer.shadowOffset = CGSizeMake(5.0f, 5.0f);
self.viewAboutContainer.layer.shadowPath = [UIBezierPath bezierPathWithRect:self.viewAboutContainer.bounds].CGPath;
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