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我有一個視圖控制器被推到一個導航控制器是在標籤欄控制器內。視圖控制器隱藏底部按鈕,當按下按鈕時,會出現它顯示的工具欄。無論我嘗試什麼,當視圖控制器被按下或彈出時,它都不會停止向上/向下滑動工具欄的動畫。這似乎只是iPhone X上的一個問題。有誰知道如何解決它?iPhone X不尊重設置標籤欄隱藏動畫

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同樣的問題: https://stackoverflow.com/questions/46232929/why-page-push-animation-tabbar-moving-up-in-the -iPhone-X – Alexander

回答

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這個答案https://stackoverflow.com/a/47225653/1211917幫助我:

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 
     } 
    } 
}