Messagekit: Adding ConversationViewController as a child view controller the messageInputBar not display on the view

[nfasate]

General Information

• MessageKit Version: 0.10.0

• iOS Version(s): iOS 10.3

• Swift Version: Swift 4

• Devices/Simulators: Device

• Reproducible in ChatExample? (Yes/No): Yes

What happened?

When I try to add ConversationViewController as a child view controller on InboxViewController that time messageInputBar does not display on the view.

Below code

let contentVC:UIViewController = ConversationViewController()
addChildViewController(contentVC)
self.view.addSubview(contentVC.view)
contentVC.didMove(toParentViewController: self)

What did you expect to happen?

The messageInputBar must display on the view even though I add ConversationViewController as a child view.

[SD10]

@nfasate I think you have to call:

messagesViewController.becomeFirstReponder()

cc @cwalo I think he had a solution for this

[nfasate]

Hi SD10,

Thanks for quick reply, but I don't get it from where I have to call messagesViewController.becomeFirstReponder() in my code.

I guess the size of messageInputBar is always return zero when I have added ConversationViewController as a child view.

Thanks.

[Wotafak]

@nfasate try calling messagesViewController.becomeFirstReponder() in viewDidAppear

[nfasate]

@Wotafak,

I am not able to call messagesViewController.becomeFirstReponder() in ViewDidAppear it throw compilor errorUse of unresolved identifier 'messagesViewController'

[SD10]

@nfasate It looks like your MessagesViewController is called contentVC.

[nfasate]

@SD10 Even after using contentVC.becomeFirstResponder(), the MessageViewController doesn't show messageInputBar.

[nfasate]

@SD10 Thanks a ton !! it worked.

[BasThomas]

Hey @nfasate - can you share how you solved the problem in the end?

[nfasate]

Hi @BasThomas

I just added self.becomeFirstResponder() in ConversationViewController ViewDidAppear as per sugested by @Wotafak and @SD10 .

[cwalo]

My scenario sounds slightly different as I have two view controllers added as children - one being the MessagesViewController. I'm just toggling their hidden state depending on which is selected. But yeah, to handle the input bar, I call becomeFirstResponder and when I want it go away, I callinputBar.inputTextView.resignFirstResponder and messagesViewController.resignFirstResponder.