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How can I obtain the origin of UIBarButtonItem added to UINavigationBar, I searched for all question but always find the size instead of frame.

Get the frame of UIBarButtonItem in Swift?

halfer
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Preeti
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  • Please read [Under what circumstances may I add “urgent” or other similar phrases to my question, in order to obtain faster answers?](//meta.stackoverflow.com/q/326569) - the summary is that this is not an ideal way to address volunteers, and is probably counterproductive to obtaining answers. Please refrain from adding this to your questions. – halfer Apr 13 '18 at 09:31
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    Why are you trying to get the origin? –  Apr 13 '18 at 09:35
  • I need to pass that frame for presenting a view from that button. – Preeti Apr 13 '18 at 09:48
  • Why you need to pass the frame? Simply attach an action to that button (eg. https://stackoverflow.com/questions/2333638/how-to-set-target-and-action-for-uibarbuttonitem-at-runtime) –  Apr 13 '18 at 13:18
  • @IanBell Thats true but the requirement is too display a userguide from that button without user interaction, and I am using third party framework for displaying userguide where I need to pass view frame.I am even getting the y coordinate by view conversion but x always comes zero. – Preeti Apr 13 '18 at 16:50

1 Answers1

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You can get the frame of the bar button item in the coordinate system of self.view, and then get the origin from that:

let barButtonFrame: CGRect? = {
    if let barButtonView = self.barButton.value(forKey: "view") as? UIView {
        return self.view.convert(barButtonView.bounds, from: barButtonView)
    }
    return nil
}()

barButtonFrame?.origin // CGPoint?
barButtonFrame?.size // CGSize?
David Steppenbeck
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