[ios] Correctly handle return value for application:didFinishLaunchingWithOptions:

@TODO: Should we return immediately and do nothing if we have an url but can’t handle it?

iphone/Maps/Classes/MapsAppDelegate.mm

@@ -156,12 +156,15 @@ void InitLocalizedStrings()
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
   // Initialize all 3party engines.
-  [[Statistics instance] application:application didFinishLaunchingWithOptions:launchOptions];
+  BOOL returnValue = [[Statistics instance] application:application
+                          didFinishLaunchingWithOptions:launchOptions];
+
+  NSURL * urlUsedToLaunchMaps = launchOptions[UIApplicationLaunchOptionsURLKey];
+  if (urlUsedToLaunchMaps != nil)
+    returnValue |= [self checkLaunchURL:urlUsedToLaunchMaps];
+  else
+    returnValue = YES;
 
-  NSURL * url = launchOptions[UIApplicationLaunchOptionsURLKey];
-  if (url != nil)
-    [self checkLaunchURL:url];
-  
   [HttpThread setDownloadIndicatorProtocol:[MapsAppDelegate theApp]];
 
   [self trackWatchUser];
@@ -215,7 +218,7 @@ void InitLocalizedStrings()
   application.applicationIconBadgeNumber = f.GetCountryTree().GetActiveMapLayout().GetOutOfDateCount();
   f.GetLocationState()->InvalidatePosition();
 
-  return YES;
+  return returnValue;
 }
 
 - (void)application:(UIApplication *)application performFetchWithCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler

iphone/Maps/Statistics/Statistics.h

@@ -6,7 +6,7 @@
 - (void)disableOnNextAppLaunch;
 
 // Should be called from the same method in AppDelegate.
-- (void)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions;
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions;
 // Should be called from the same method in AppDelegate.
 - (void)applicationDidBecomeActive;
 - (void)logEvent:(NSString *)eventName;

iphone/Maps/Statistics/Statistics.mm

@@ -70,15 +70,13 @@ char const * kStatisticsEnabledSettingsKey = "StatisticsEnabled";
   [Alohalytics logEvent:@"statisticsDisabled"];
 }
 
-- (void)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
 {
   // _enabled should be already correctly set up in init method.
   if (_enabled)
   {
     [Flurry startSession:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"FlurryKey"]];
 
-    [[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];
-
     [MRMyTracker createTracker:@"***REMOVED***"];
 #ifdef DEBUG
     [MRMyTracker setDebugMode:YES];
@@ -88,6 +86,8 @@ char const * kStatisticsEnabledSettingsKey = "StatisticsEnabled";
 
     [Alohalytics setup:@"http://localhost:8080" withLaunchOptions:launchOptions];
   }
+  // Always call Facebook method, looks like it is required to handle some url schemes and sign on scenarios.
+  return [[FBSDKApplicationDelegate sharedInstance] application:application didFinishLaunchingWithOptions:launchOptions];
 }
 
 - (void)logLocation:(CLLocation *)location