Question

如何修改UIView阴影的方向

 view.layer.shadowOffset = CGSizeMake(5, 5);

 view.layer.shadowColor = [[UIColor grayColor] CGColor];

 view.layer.shadowOpacity = 1;
   
 view.layer.shadowRadius = 5;

Answer 1

view.layer.shadowOffset = CGSizeMake(-5, -5);