ios - TableView 单元格在按下 'Back' 后被导航覆盖？

Question

所以我在导航栏下有一个表格 View ，当用户在搜索栏中输入内容时，它会显示出来。一切似乎都能找到。但是在我推送 View Controller 后，当用户在 TableView 中选择一个单元格，然后从 detailViewController 返回时，我的 TableView 被搞砸了。

• 问题:在我按下 detailViewController 后，tableview 最顶部的单元格被导航栏覆盖。但这不会在一开始就发生。

• 我试过:

   1. Toggled 'Under Top Bars' in the storyboard
   2. Check all my constraint

This is how added the tableview onto the subview

func updateSearchResults(for searchController: UISearchController) {

    // When the user is typing
    if let searchText = searchController.searchBar.text, !searchText.isEmpty {

        // add the tableview onto the subview
        view.addSubview(tableView)

        self.searchController.dimsBackgroundDuringPresentation = false

        // filter the username array, to match the text in the search bar
        filteredUsernames = unfilterdUsernames.filter({ (username) -> Bool in
            return username.lowercased().contains(searchText.lowercased())
        })

        if let usernames = filteredUsernames {
            getUsersFromUsernames(usernames: usernames, completion: { (users) in
                self.filteredUsers = users
            })
        }

        // else, the user is not typing anything. Remove the tableview from the subview
    } else {
        self.searchController.dimsBackgroundDuringPresentation = false

        tableView.removeFromSuperview()
        filteredUsernames = unfilterdUsernames

    }
    // reload tableview data
    tableView.reloadData()
}

这就是我进入 detailViewController 的方式:

tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath)

// the profile view that I want to display, after the user select one of the tableViewCell
    let profileController = UIStoryboard(name: "Profile", bundle: nil).instantiateViewController(withIdentifier: "profile") as? ProfileCollectionViewController

    // user is the value that I want to transfer to the profileController
    // which user from the indexPath in tableView
    if let user = filteredUsers?[indexPath.row] {
        userToPass = user
        // set the delegate to self
        profileController?.userDataDelegate = self
        // push a navigationController to profileController
        self.navigationController?.pushViewController(profileController!, animated: true)

在进入 detailViewController 之前:

从 detailViewController 按下返回按钮后:

The first index is covered by the navigation controller

Answer 1

转到 Storyboard。

选择 ViewController(不是 TableView 或导航 Controller )。

在属性检查器中，取消选中 Adjust Scroll View Insets