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[英]On iOS, why changing the frame of a CALayer didn't cause an animation?
[英]Can't set CALayer frame
我想在下面的代码中设置我的CALayer
的框架
CGRect VFrame;
VFrame = CGRectMake(self.viewNo2.frame.origin.x, self.viewNo2.frame.origin.y, self.viewNo2.frame.size.width, self.viewNo2.frame.size.height);
self.customLayer = [CALayer layer];
self.customLayer.frame = VFrame;
self.customLayer.contentsGravity = kCAGravityResizeAspectFill;
[self.view.layer addSublayer:self.customLayer];
由于某种原因,图层在这个框架周围的某处,但不是我想要声明的框架。
有谁知道这是什么问题?
//try this,simply assign frame to viewNo2 frame
self.viewNo2.frame.size.width, self.viewNo2.frame.size.height);
self.customLayer = [CALayer layer];
self.customLayer.frame = viewNo2.frame;
self.customLayer.contentsGravity = kCAGravityResizeAspectFill;
[self.view.layer addSublayer:self.customLayer];
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