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导航栏没有隐藏 #20

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yimao009 opened this issue Nov 21, 2018 · 0 comments
Open

导航栏没有隐藏 #20

yimao009 opened this issue Nov 21, 2018 · 0 comments

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@yimao009
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UIView *barBackgroundView = [self.navigationBar subviews].firstObject;// _UIBarBackground

iOS12 xr机型， 现在的导航栏下边有俩个imageview， 设置父视图barBackgroundView的alpha为0； 还是会显示一条白色， backgroundImageView这个view的alpha还是1
现在我这么做
backgroundImageView.hidden = alpha == 0?YES:NO;
解决的效果
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