"Go" ios hide the bottom horizontal line of the Nav bar 1px

This line is available by default

The first method:

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UINavigationBar *navigationBar = self.navigationController.navigationBar;// white.png图片自己下载个纯白色的色块，或者自己ps做一个[navigationBar setBackgroundImage:[UIImage imageNamed:@"white.png"]                   forBarPosition:UIBarPositionAny                       barMetrics:UIBarMetricsDefault];[navigationBar setShadowImage:[UIImage new]];

The post-run effect is as follows (the original gray background color will be replaced by White.png):

PS: This is the only official usage that hides this line, but there is a flaw-removed translucency (translucent)

The second method:
1) Declare the Uiimageview variable and store the bottom horizontal line

123	@implementationMyViewController {    UIImageView *navBarHairlineImageView;}

2) Add in Viewdidload:

1	navBarHairlineImageView = [selffindHairlineImageViewUnder:navigationBar];

3) Realize the function of finding the bottom horizontal line

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- (UIImageView *)findHairlineImageViewUnder:(UIView *)view {    if ([view isKindOfClass:UIImageView.class] && view.bounds.size.height <= 1.0) {            return (UIImageView *)view;    }    for (UIView *subview in view.subviews) {        UIImageView *imageView = [self findHairlineImageViewUnder:subview];        if (imageView) {            return imageView;        }    }    return nil;}

4) finally processed in the Viewwillappear,viewwilldisappear

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- (void)viewWillAppear:(BOOL)animated {    [super viewWillAppear:animated];    navBarHairlineImageView.hidden = YES;}- (void)viewWillDisappear:(BOOL)animated {    [super viewWillDisappear:animated];    navBarHairlineImageView.hidden = NO;}

The effect is as follows:

PS: The second method can keep bar translucent

This article originates from IT985 Blog

Permanent address of this article: http://blog.it985.com/9808.html

"Go" ios hide the bottom horizontal line of the Nav bar 1px