iPhone X不尊重设置标签栏隐藏动画

Question

我有一个视图控制器被推到一个导航控制器是在标签栏控制器内。视图控制器隐藏底部按钮，当按下按钮时，会出现它显示的工具栏。无论我尝试什么，当视图控制器被按下或弹出时，它都不会停止向上/向下滑动工具栏的动画。这似乎只是iPhone X上的一个问题。有谁知道如何解决它？

Answer 1

这个答案https://stackoverflow.com/a/47225653/1211917帮助我：

class SafeAreaFixTabBar: UITabBar { 

    var oldSafeAreaInsets = UIEdgeInsets.zero 

    @available(iOS 11.0, *) 
    override func safeAreaInsetsDidChange() { 
     super.safeAreaInsetsDidChange() 

     if oldSafeAreaInsets != safeAreaInsets { 
      oldSafeAreaInsets = safeAreaInsets 

      invalidateIntrinsicContentSize() 
      superview?.setNeedsLayout() 
      superview?.layoutSubviews() 
     } 
    } 

    override func sizeThatFits(_ size: CGSize) -> CGSize { 
     var size = super.sizeThatFits(size) 
     if #available(iOS 11.0, *) { 
      let bottomInset = safeAreaInsets.bottom 
      if bottomInset > 0 && size.height < 50 && (size.height + bottomInset < 90) { 
       size.height += bottomInset 
      } 
     } 
     return size 
    } 

    override var frame: CGRect { 
     get { 
      return super.frame 
     } 
     set { 
      var tmp = newValue 
      if let superview = superview, tmp.maxY != 
       superview.frame.height { 
       tmp.origin.y = superview.frame.height - tmp.height 
      } 

      super.frame = tmp 
     } 
    } 
}