*Swift5, Xcode ver 12.1
元のNavigation barに表示されている”戻るボタン”を非表示にて自作のボタンに置き換える
override func viewDidLoad() {
super.viewDidLoad()
self.navigationItem.hidesBackButton = true
let newBackButton = UIBarButtonItem(title: "Back", style: UIBarButtonItem.Style.plain, target: self, action: #selector(DetailViewController.back(sender:)))
self.navigationItem.leftBarButtonItem = newBackButton
}
ここでどこに戻るかを決める
popToRootViewControllerでNavigation bar配下のTopに戻る
@objc private func back(sender: UIBarButtonItem) {
self.navigationController?.popToRootViewController(animated: true)
}