MessageKit Version: 1.0.0
Swift Version: 4.1
Test Device: iPad 12.9(inch)
When adding messageViewController on container view(red color background), seems like inputAccesoryView doesn't show.

I tried to use becomFirstResponder in viewdidAppear but the inputAccesoryView seems to take width of the parentViewController (here you can see the code):
override func viewDidLoad() {
super.viewDidLoad()
setupNavigationBar(actionsTarget: self)
setupLocalization()
viewController = ChatViewController()
addChildViewController(viewController!)
viewController?.view.frame = containerView.bounds
containerView.addSubview((viewController?.view)!)
viewController?.didMove(toParentViewController: self)
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
viewController?.becomeFirstResponder()
}

Is there a way to make inputAccesoryView to be same width as containerView ?