解决导航栏和叠加层

Question

在我的第一个viewController中，我使用以下代码隐藏了导航栏。

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    self.navigationController?.setNavigationBarHidden(true, animated: false)
}

override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    self.navigationController?.setNavigationBarHidden(false, animated: true)
}

但是当我去其他viewcontroler并想要从左向右滑动（滑动）时，它被视为重叠

我附上图片了解更多细节：

Answer 1

尝试改变这一点：

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    self.navigationController?.setNavigationBarHidden(true, animated: false)
}

对此：

var firstEntrance = true

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    if firstEntrance {
         self.navigationController?.setNavigationBarHidden(true, animated: false)
    } else {
         firstEntrance = false
         self.navigationController?.setNavigationBarHidden(true, animated: true)
    }
}