UIView *backgroundView = [self.navigationController.navigationBar subviews].firstObject;
UIImageView *imgLine = backgroundView.subviews.firstObject;
imgLine.hidden = YES;
UIView *backgroundView = [self.navigationController.navigationBar subviews].firstObject;
UIImageView *imgLine = backgroundView.subviews.firstObject;
imgLine.hidden = YES;
本文标题:iOS 隐藏导航黑线
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