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| // 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) | |
| } | |
| } |
Sorry to jump in, but according to Apple's documentation
willMove(toParentViewController:)is called when you call addChildViewController(_:), so it doesn't look like you have to call it explicitly...When your custom container calls the addChildViewController(_:) method, it automatically calls the willMove(toParentViewController:) method of the view controller to be added as a child before adding it.
https://developer.apple.com/documentation/uikit/uiviewcontroller/1621381-willmove
He is correct. I have tested this and in the above example the willMode is called 2x
👍
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
Sorry to jump in, but according to Apple's documentation
willMove(toParentViewController:)is called when you call addChildViewController(_:), so it doesn't look like you have to call it explicitly...https://developer.apple.com/documentation/uikit/uiviewcontroller/1621381-willmove