if ([self.navigationController.navigationBar respondsToSelector:@selector( setBackgroundImage:forBarMetrics:)]){
NSArray *list=
self.navigationController.navigationBar.subviews;
for (
id obj
in list) {
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;
}
}
}
}
}
转载于:https://www.cnblogs.com/why-not/p/4782363.html