UI Components are building blocks of the UI Kit. UI Components are a set of custom classes specially designed to build a rich chat app. There are different UI Components available in the UI Kit Library.

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1. CometChatUI

CometChatUI is an option to launch a fully functional chat application using the UI Kit. In CometChatUI all the UI Components are interlinked and work together to launch a fully functional chat on your mobile application. 
DispatchQueue.main.async {
let cometChatUI = CometChatUI()
cometChatUI.setup(withStyle: .fullScreen)
self.present(cometChatUI, animated: true, completion: nil)
}

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2. CometChatConversationList

The CometChatConversationList is a view controller with a list of recent conversations. The view controller has all the necessary delegates and methods. You can present this screen using two methods. 
let conversationList = CometChatConversationList()
let navigationController = UINavigationController(rootViewController:conversationList)
conversationList.set(title:"Chats", mode: .automatic)
self.present(navigationController, animated:true, completion:nil)

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Embed Conversation List in View Controller

You can use this by subclassing UIViewController as CometChatConversationList as shown below:
To assign a CometChatConversationList to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatConversationList {

override func viewDidLoad() {
      super.viewDidLoad()
      self.delegate = self
	}
}
Also, you can perform an action on tap on the conversation by adding ConversationListDelegate in the app’s view controller as shown below: 
extension viewController: ConversationListDelegate {
    
func didSelectConversationAtIndexPath(conversation: Conversation, indexPath: IndexPath){
        //Do Stuff
    }  
}

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3. CometChatCallsList

The CometChatCallsList is a view controller with a list of recent calls. The view controller has all the necessary delegates and methods. You can present this screen using two methods. 
let callList = CometChatCallsList()
let navigationController = UINavigationController(rootViewController:callList)
callList.set(title:"Calls", mode: .automatic)
self.present(navigationController, animated:true, completion:nil)

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Embed Call List in View Controller

You can use this by subclassing UIViewController as CometChatCallsList as shown below:
To assign a CometChatCallsList to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatCallsList {

override func viewDidLoad() {
      super.viewDidLoad()
      self.delegate = self
	}
}
Also, you can perform an action on tap on the call by adding CallsListDelegate in the app’s view controller as shown below: 
extension viewController: CallsListDelegate {
    
func didSelectCallsAtIndexPath(call: BaseMessage, indexPath: IndexPath){
        //Do Stuff
    }  
}

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4. CometChatUserList

The CometChatUserList is a view controller with a list of users. The view controller has all the necessary delegates and methods. You can present this screen using two methods. 
let userList = CometChatUserList()
let navigationController = UINavigationController(rootViewController:userList)
userList.set(title:"Contacts", mode: .automatic)
self.present(navigationController, animated:true, completion:nil)

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Embed User List in View Controller

You can use this by subclassing UIViewController as CometChatUserList as shown below:
To assign a CometChatUserList to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatUserList {

override func viewDidLoad() {
  super.viewDidLoad()
  self.delegate = self
  }
}
Also, you can perform an action on tap on the user by adding UserListDelegate in the app’s view controller as shown below: 
extension viewController: UserListDelegate {
    
func didSelectUserAtIndexPath(user: User, indexPath: IndexPath) {
        //Do Stuff
    }  
}

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5. CometChatGroupList

The CometChatGroupList is a view controller with a list of groups. The view controller has all the necessary delegates and methods. You can present this screen using two methods. 
let groupList = CometChatGroupList()
let navigationController = UINavigationController(rootViewController:groupList)
groupList.set(title:"Groups", mode: .automatic)
self.present(navigationController, animated:true, completion:nil)

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Embed Group List in View Controller

You can use this by subclassing UIViewController as CometChatGroupList as shown below:
To assign a CometChatGroupList to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatGroupList {

override func viewDidLoad() {
      super.viewDidLoad()
      self.delegate = self
	}
}
Also, you can perform an action on tap on the group by adding GroupListDelegate in the app’s view controller as shown below: 
extension viewController: GroupListDelegate {
    
func didSelectGroupAtIndexPath(group: Group, indexPath: IndexPath)
        //Do Stuff
    }  
}

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6. CometChatMessageList

The CometChatMessageList is a view controller with a list of messages for a particular user or group. The view controller has all the necessary delegates and methods. CometChatMessageList requires User or Group object to work properly.
To retrieve the User or Group object you can call CometChat.getUser() or CometChat.getGroup().
You can present this screen using two methods. 
let messageList = CometChatMessageList()
let navigationController = UINavigationController(rootViewController:messageList)
messageList.set(conversationWith: user, type: .user)
self.present(navigationController, animated:true, completion:nil)

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Embed Message List in View Controller

You can use this by subclassing UIViewController as CometChatMessageList as shown below:
To assign a CometChatMessageList to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatMessageList {

override func viewDidLoad() {
      super.viewDidLoad()
      set(conversationWith: user, type: .user)
	}
}

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7. CometChatUserProfile

The CometChatUserProfile is a view controller with user information and a list of dummy cells for settings of the app which the developer can use in his app. You can present this screen using two methods. 
let userProfile = CometChatUserProfile()
let navigationController = UINavigationController(rootViewController:userProfile)
userProfile.set(title:"More", mode: .automatic)
self.present(navigationController, animated:true, completion:nil)

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Embed UserProfile inView Controller

You can use this by subclassing UIViewController as CometChatUserProfile as shown below:
To assign a CometChatUserProfile to view controller make sure that the Navigation controller is attached properly. 
import CometChatPro

class viewController: CometChatUserProfile {

override func viewDidLoad() {
      super.viewDidLoad()
		 
	}
}