使用CGAffineTransformMakeScale将UIView缩放到0(宽度和高度为0)是否可能?
view.transform = CGAffineTransformMakeScale(0.0f, 0.0f);
为什么会抛出“<Error>: CGAffineTransformInvert: singular matrix.”的错误?
更新:还有另一种方法将UIView缩小到0
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration:0.3];
view.frame = CGRectMake(view.center.x, view.center.y, 0, 0);
[UIView commitAnimations];