UIImageView*imageView = [selffindHairlineImageViewUnder:self.navigationController.navigationBar];
imageView.hidden=YES;
//去掉顶部导航栏1px的下划线
- (UIImageView*)findHairlineImageViewUnder:(UIView*)view
{
if([viewisKindOfClass:UIImageView.class] && view.bounds.size.height<=1.0)
{
return(UIImageView*)view;
}
for(UIView*subviewinview.subviews)
{
UIImageView*imageView = [selffindHairlineImageViewUnder:subview];
if(imageView)
{
returnimageView;
}
}
returnnil;
}
