取消iOS10和iOS9以下导航栏黑线

Posted 2022-12-12 建古

if ([self.navigationController.navigationBar respondsToSelector:@selector( setBackgroundImage:forBarMetrics:)])
    

        NSArray *list=self.navigationController.navigationBar.subviews;

        for (id obj in list)
        

            if ([UIDevice currentDevice].systemVersion.floatValue >= 10.0)
            //10.0的系统字段不一样
                UIView *view = (UIView*)obj;
                for (id obj2 in view.subviews) 

                    if ([obj2 isKindOfClass:[UIImageView class]])
                    

                        UIImageView *image =  (UIImageView*)obj2;
                        image.hidden = YES;
                      
                
            
            else
            
                if ([obj isKindOfClass:[UIImageView class]]) 
                    UIImageView *imageView=(UIImageView *)obj;
                    NSArray *list2=imageView.subviews;
                    for (id obj2 in list2) 
                        if ([obj2 isKindOfClass:[UIImageView class]]) 
                            UIImageView *imageView2=(UIImageView *)obj2;
                            imageView2.hidden=YES;