iOS Sinch Chat SDK

<dict>
  <key>UIBackgroundModes</key>
  <array>
    <string>remote-notification</string>
  </array>
</dct>

import UIKit
import SinchChatSDK

let projectID = "your_Project_Id"
let clientID = "your_Client_Id"
let secret = "your_secret"

@main
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {



    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        SinchChatSDK.shared.initialize()
        
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
    }

    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
        SinchChatSDK.shared.push.sendDeviceToken(deviceToken)
    }
    
    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {

        if SinchChatSDK.shared.push.handleNotificationResponse(response) {
            // this is our notification and it is handled by SinchChatSDK
        }

        completionHandler()
    }
    
    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {

        if let presentationOptions = SinchChatSDK.shared.push.handleWillPresentNotification(notification) {
            completionHandler(presentationOptions)
            return
        }
        completionHandler([])
    }

}

import UIKit
import SinchChatSDK

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        SinchChatSDK.shared.setIdentity(with: .init(clientID: clientID, projectID: projectID, region: .EU1), identity: .anonymous) { result in
            switch result {
            case .success:
                
                DispatchQueue.main.async {
                    do {
                        
                        let chatViewController = try SinchChatSDK.shared.chat.getChatViewController()
                        chatViewController.modalPresentationStyle = .fullScreen
                        self.present(chatViewController, animated: true, completion: nil)
                    } catch {
                        // all errors are related with bad configuration. You can check if chat is available using `isChatAvailable` method.
                    }
                }
                
            case .failure(let error): break
                // SDK cannot be initizalized so you can't use any functionality :/
            }
        }
                
    }

}

public enum SinchSDKChatAvailability {
    /// The Chat is ready to user.
    case available
    
    /// The Chat is not initialized
    /// Tip: use initialize method to initialize chat.
    case uninitialized

    /// The chat is not authorized
    /// Tip: User setIdentity method to authorize the client.
    case authorizationNeeded

    /// The chat is opened
    /// You cannot run two chats at once.
    case currentlyRunning
}

func isChatAvailable() -> SinchSDKChatAvailability

func getChatViewController(navigationController: UINavigationController?,
                           uiConfig: SinchSDKConfig.UIConfig?,
                           localizationConfig: SinchSDKConfig.LocalizationConfig?) throws -> UIViewController

do {
    let chatViewController = try SinchChatSDK.shared.chat.getChatViewController()
    chatViewController.modalPresentationStyle = .fullScreen
    present(chatViewController, animated: true, completion: nil)
} catch {
    // all errors are related with bad configuration. You can check if chat is available using `isChatAvailable` method.
}

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    SinchChatSDK.shared.push.sendDeviceToken(deviceToken)
}

SinchChatSDK.shared.push.checkPushPermission(completion: @escaping (SinchSDKNotificationStatus) -> Void)

// OR iOS 13+ with Combine
func checkPushPermission() -> AnyPublisher<SinchSDKNotificationStatus, Never>

func askNotificationPermission(completion: @escaping (SinchSDKNotificationStatus) -> Void)

// OR iOS 13+ with Combine
func askNotificationPermission() -> AnyPublisher<SinchSDKNotificationStatus, Never>