IOS-74: logs for AppsFlyer initialization.

1Weather/AppDelegate.swift

@@ -113,7 +113,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     
     
     func applicationDidBecomeActive(_ application: UIApplication) {
     func applicationDidBecomeActive(_ application: UIApplication) {
         LocationManager.shared.updateEverythingIfNeeded()
         LocationManager.shared.updateEverythingIfNeeded()
-        appsFlyer.start()
+        appsFlyer.start { [weak self] dictionary, error in
+            if let error = error {
+                self?.appsFlyerLog.error("AppsFlyer start error: \(error)")
+            }
+            else {
+                self?.appsFlyerLog.info("AppsFlyer start result: \(dictionary)")
+            }
+        }
     }
     }
     
     
     func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
     func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {