我的导航栏显示在情节提要中，但未显示在模拟器中 [英] My navigation bar is showing up in storyboard but not in the simulator

问题描述

当尝试在左侧按钮上添加用于搜索的导航栏，并最终在右侧栏按钮上添加设置按钮时，该栏未显示在模拟器中.屏幕截图

When trying to add a navigation bar for searching on the left button and eventually a setting button on the right bar button, the bar isn't showing up in the simulator. Screenshot

我应该使用常规工具栏，例如底部的临时工具栏吗?我希望使用搜索按钮来加载新地址，并为明显的页面设置，但是随后我希望这些按钮可以用作在选项卡之间移动的导航.我应该只在地图视图上方实现搜索栏，在右侧实现设置按钮吗?我是xcode的新手，正在踢我的屁股.

Should I be using a regular toolbar like the temporary one I have on the bottom? I'd prefer the search button for loading new addresses, and settings for the obvious, but then I want buttons that serve as navigations for moving from tab to tab. Should I simply implement a search bar above the map view and a settings button on the right? I'm new to xcode and it's kicking my ass.

将隐藏的内容更改为"self.navigationController?.setToolbarHidden(false，animation:true)"后，工具栏出现，但在当前工具栏的底部，带有缩放和类型按钮.如此看来，它认为它是一个工具栏，只想将其放在底部?

After changing the hidden to "self.navigationController?.setToolbarHidden(false, animated: true)" the toolbar appeared but at the bottom below the current toolbar with zoom and type buttons. So it looks as if it thinks it's a toolbar and only wants to put it at the bottom?

推荐答案

Swift 4解决方案

将此代码添加到您的ViewController:

Add this code to your ViewController:

   override func viewWillAppear(_ animated: Bool) {
        self.navigationController?.navigationBar.isHidden = false
    }

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