"xcode execute code after when navigating back to screen" Code Answer's
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xcode execute code after when navigating back to screen
TheKrisinator
on Sep 02, 2020
// Use this to override the navigation bar's default back button
override func viewDidLoad {
super.viewDidLoad()
self.navigationItem.hidesBackButton = true
let newBackButton = UIBarButtonItem(title: "Back", style: UIBarButtonItemStyle.plain, target: self, action: #selector(YourViewController.back(sender:)))
self.navigationItem.leftBarButtonItem = newBackButton
}
@objc func back(sender: UIBarButtonItem) {
// Perform your custom actions
// ...
// Go back to the previous ViewController
_ = navigationController?.popViewController(animated: true)
}Source: stackoverflow.com
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