// 注意 viewDidAppear不能用viewWillAppear替代
- (void)viewDidAppear:(BOOL)animated {
[superviewDidAppear:animated];
[self findHairlineImageViewUnder:self.navigationController.navigationBar].hidden = YES;
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
[self findHairlineImageViewUnder:self.navigationController.navigationBar].hidden = NO;
}
#pragma mark - 隐藏导航栏底部一根线
- (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;
}
}
return nil;
}
