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michaelevensen/EmbedViewController.swift

Last active September 5, 2022 07:27
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Embed a UIViewController in Container View programatically
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EmbedViewController.swift
// Instantiate
self.mapViewController = self.storyboard?.instantiateViewController(withIdentifier: "MapViewController") as? MapViewController
if let mapViewController = self.mapViewController {
// Add to Container View
self.mapViewContainerView.addSubview(mapViewController.view)
self.addChildViewController(mapViewController)
mapViewController.didMove(toParentViewController: self)
}
}
@arturponomarenko
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arturponomarenko commented Sep 5, 2022 •
edited
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willMove documentation:

When your custom container calls the addChild(_:) method, it automatically calls the willMove(toParent:) method of the view controller to be added as a child before adding it.

Looks like there is no need to call the willMove method since just after that you call the addChildViewController

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