Make a UIBarButtonItem disappear using swift IOS

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慢半拍i
慢半拍i 2020-12-10 23:31

I have an IBOutlet that I have linked to from the storyboard

@IBOutlet var creeLigueBouton: UIBarButtonItem!

and I want to make it disappea

15条回答
  •  失恋的感觉
    2020-12-11 00:18

    Try this. (Make newbackbutton global variable)

    override func viewDidLoad() {

        let newBackButton = UIBarButtonItem()
    
         newBackButton.title = " << Return to Gallery"
        newBackButton.style  = UIBarButtonItemStyle.Done
        newBackButton.target = self
        newBackButton.action = "backtoScoutDetail:"
        self.navigationItem.rightBarButtonItem = newBackButton
    

    }

    override func viewWillAppear(animated: Bool) {
    
        newBackButton.title = ""
        self.navigationItem.rightBarButtonItem = newBackButton        
    
         }
    

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