Iphone UIview中的快照未显示圆弧和圆角

我正在通过UIBezierPath在uiview上创建圆弧。它做得很好，但当我为共享此uiview拍摄快照时，圆弧不会显示在快照中。uiview显示为默认值，而圆弧和圆角不显示。下面是快照的代码 CGSize sz=CGSizeMake（bottomview.frame.size.width，bottomview.frame.size.height）

下面是生成圆弧的代码 UIBezierPath*aPathbottom=[UIBezierPath-bezierPath]

[aPathbottom moveToPoint:CGPointMake(0, 262)];





[aPathbottom addLineToPoint:CGPointMake(0, 15)];
[aPathbottom addLineToPoint:CGPointMake(10, 10)];
[aPathbottom addLineToPoint:CGPointMake(20, 6)];
[aPathbottom addLineToPoint:CGPointMake(40, 3.5)];
[aPathbottom addLineToPoint:CGPointMake(60, 6)];
[aPathbottom addLineToPoint:CGPointMake(70, 10)];
[aPathbottom addLineToPoint:CGPointMake(80,15)];

[aPathbottom addLineToPoint:CGPointMake(80, 250)];
[aPathbottom addLineToPoint:CGPointMake(70, 256)];
[aPathbottom addLineToPoint:CGPointMake(60, 260.5)];
[aPathbottom addLineToPoint:CGPointMake(50, 264)];
[aPathbottom addLineToPoint:CGPointMake(55, 264.5)];
[aPathbottom addLineToPoint:CGPointMake(40, 265)];
[aPathbottom addLineToPoint:CGPointMake(45, 264.5)];
[aPathbottom addLineToPoint:CGPointMake(40, 264)];
[aPathbottom addLineToPoint:CGPointMake(20, 260.5)];
[aPathbottom addLineToPoint:CGPointMake(10, 256)];
[aPathbottom addLineToPoint:CGPointMake(0, 250)];
[aPathbottom closePath];


CAShapeLayer *maskLayerbottom = [CAShapeLayer layer];
maskLayerbottom.frame = bottomview.bounds;
maskLayerbottom.path = aPathbottom.CGPath;


bottomview.layer.mask = maskLayerbottom;

我不知道为什么会这样，有人能帮我吗

问候

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chakshu arora

您是否尝试添加此项

[bottomview.layer setMasksToBounds:YES];

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我得到了我尝试过的答案

[bottomview.layer addSublayer:maskLayerbottom]位于
bottomview.layer.mask=maskLayerbottom的位置和
ui视图中的快照显示圆弧

[bottomview.layer setMasksToBounds:YES];