iOS隐藏导航条底部横线

Veröffentlicht am | Edited on

转自：http://blog.it985.com/9808.html
既要隐藏底部横线，又要保留模糊效果，只能找到那条线，然后隐藏掉。直接上代码：

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@implementation UINavigationBar (Convenient)

/// 导航栏底部的那条头发丝大小的线
- (UIImageView *)hairline {
    return [self findHairLineImageViewOnSuperView:self];
}

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

@end

然后在合适的时候执行：

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self.navigationController.navigationBar.hairline.hidden = YES;

大功告成。