Create Conversation

import UIKit
import CometChatSDK

class HomeViewController: UIViewController {
    
    func showCreateConversation() {
        // Initialize the create conversation view controller
        let createVC = CreateConversationVC()
        
        // Push onto navigation stack
        navigationController?.pushViewController(createVC, animated: true)
    }
}

import UIKit
import CometChatUIKitSwift

class CreateConversationVC: UIViewController {
    
    private var segmentedControl: UISegmentedControl!
    private var pageViewController: UIPageViewController!
    private var usersViewController: CometChatUsers!
    private var groupsViewController: CometChatGroups!
    
    override public func viewDidLoad() {
        super.viewDidLoad()
        
        // Set up segmented control, page view controller, and search
        buildUI()
        setupPageViewController()
        
        // Add target for segment changes
        segmentedControl.addTarget(
            self,
            action: #selector(segmentChanged(_:)),
            for: .valueChanged
        )
        
        // Set initial search controller
        navigationItem.searchController = usersViewController.searchController
    }
    
    private func buildUI() {
        // Configure segmented control and page view
    }
    
    private func setupPageViewController() {
        // Initialize page view controller with users and groups
    }
}

@objc public func segmentChanged(_ sender: UISegmentedControl) {
    let index = sender.selectedSegmentIndex
    
    // Determine navigation direction
    let direction: UIPageViewController.NavigationDirection = index == 0 ? .reverse : .forward
    
    // Update search controller based on selected tab
    navigationItem.searchController = (index == 0)
        ? usersViewController.searchController
        : groupsViewController.searchController
    
    // Navigate to the selected page
    pageViewController.setViewControllers(
        [pages[index]],
        direction: direction,
        animated: true
    )
}

// Users list with tap handler
public lazy var usersViewController: CometChatUsers = {
    let vc = CometChatUsers()
    
    // Handle user selection
    vc.set(onItemClick: { [weak self] user, _ in
        let chatVC = MessagesVC()
        chatVC.user = user
        self?.navigationController?.pushViewController(chatVC, animated: true)
    })
    
    // Keep navigation bar visible during search
    vc.searchController.hidesNavigationBarDuringPresentation = false
    
    return vc
}()

// Groups list with tap handler
public lazy var groupsViewController: CometChatGroups = {
    let vc = CometChatGroups()
    
    // Handle group selection
    vc.set(onItemClick: { [weak self] group, _ in
        let chatVC = MessagesVC()
        chatVC.group = group
        self?.navigationController?.pushViewController(chatVC, animated: true)
    })
    
    // Keep navigation bar visible during search
    vc.searchController.hidesNavigationBarDuringPresentation = false
    
    return vc
}()

// MARK: - UIPageViewControllerDataSource
extension CreateConversationVC: UIPageViewControllerDataSource {
    
    public func pageViewController(
        _ pvc: UIPageViewController,
        viewControllerBefore vc: UIViewController
    ) -> UIViewController? {
        guard let idx = pages.firstIndex(of: vc), idx > 0 else { return nil }
        return pages[idx - 1]
    }
    
    public func pageViewController(
        _ pvc: UIPageViewController,
        viewControllerAfter vc: UIViewController
    ) -> UIViewController? {
        guard let idx = pages.firstIndex(of: vc), idx < pages.count - 1 else { return nil }
        return pages[idx + 1]
    }
}

// MARK: - UIPageViewControllerDelegate
extension CreateConversationVC: UIPageViewControllerDelegate {
    
    public func pageViewController(
        _ pvc: UIPageViewController,
        didFinishAnimating finished: Bool,
        previousViewControllers: [UIViewController],
        transitionCompleted completed: Bool
    ) {
        // Sync segmented control with current page
        if completed,
           let current = pvc.viewControllers?.first,
           let idx = pages.firstIndex(of: current) {
            segmentedControl.selectedSegmentIndex = idx
        }
    }
}

segmentedControl.selectedSegmentTintColor = CometChatTheme.palette.primary
segmentedControl.setTitleTextAttributes([
    .font: CometChatTypography.body,
    .foregroundColor: UIColor.white
], for: .selected)

segmentedControl.setTitle("Contacts", forSegmentAt: 0)
segmentedControl.setTitle("Teams", forSegmentAt: 1)

usersViewController.searchController.searchBar.placeholder = "Search contacts..."
groupsViewController.searchController.searchBar.placeholder = "Search teams..."