appsflyer.swift

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, AppsFlyerTrackerDelegate{

// ...

  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    // Override point for customization after application launch.
    AppsFlyerTracker.shared().appsFlyerDevKey = "repLaceWithYourDevKeY"
    AppsFlyerTracker.shared().appleAppID = "123456789"
// ...
    AppsFlyerTracker.shared().delegate = self
}

func onConversionDataSuccess(_ installData: [AnyHashable: Any]) {
  //Handle Conversion Data (Deferred Deep Link)
  }
  
  func onConversionDataFail(_ error: Error?) {
    //    print("\(error)")
  }
  
  func onAppOpenAttribution(_ attributionData: [AnyHashable: Any]) {
    //Handle Deep Link Data
    
  }
  
  func onAppOpenAttributionFailure(_ error: Error?) {
  }

// Reports app open from a Universal Link for iOS 9 or later
  func application(_ application: UIApplication, continue userActivity: NSUserActivity, restorationHandler: @escaping ([Any]?) -> Void) -> Bool {
    AppsFlyerTracker.shared().continue(userActivity, restorationHandler: restorationHandler)
    return true
  }

  // Reports app open from deep link from apps which do not support Universal Links (Twitter) and for iOS8 and below
  func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
    AppsFlyerTracker.shared().handleOpen(url, sourceApplication: sourceApplication, withAnnotation: annotation)
    return true
  }

  // Reports app open from deep link for iOS 10 or later
  func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
    AppsFlyerTracker.shared().handleOpen(url, options: options)
    return true
  }