uinavigationcontroller uinavigationbar 下方横线去除

#import "QKBaseNavigationController.h"

 

#define fontSize 19

@interface QKBaseNavigationController ()<UIGestureRecognizerDelegate>

 

@property (nonatomic, strong) UIImageView * navImageView;

 

@end

 

@implementation QKBaseNavigationController

 

- (void)viewDidLoad {

    [super viewDidLoad];

    

    self.navImageView = [self findNavigationBarUnderImageView:self.navigationBar];

    //隐藏横线

    self.navImageView.hidden = YES;

    [self navSetting];

    

}

 

- (UIImageView *)findNavigationBarUnderImageView:(UIView *)view {

//判断是否是uinavigationbar 里 imageview

    if ([view isKindOfClass:UIImageView.class] && view.bounds.size.height <= 1.0) {

//如果是返回

        return (UIImageView *)view;

    }

//遍历查找

    for (UIView *subview in view.subviews) {

        UIImageView *imageView = [self findNavigationBarUnderImageView:subview];

        

        if (imageView) {

//存在就返回

            return imageView;

        }

    }

//不存在返回空

    return nil;

}