From 7c92ef47e0874b7843184cceedba6998927291f1 Mon Sep 17 00:00:00 2001
From: Ivan Smolin <ivan.smolin@touchin.ru>
Date: Fri, 1 Dec 2017 15:11:38 +0300
Subject: [PATCH] fix crash when NetworkService creates lazy in background
 thread (globalinit_*_func0)

---
 .../NetworkService+ActivityIndicator.swift               | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Sources/Extensions/NetworkService/NetworkService+ActivityIndicator.swift b/Sources/Extensions/NetworkService/NetworkService+ActivityIndicator.swift
index 85ee1827..1dc7d6be 100644
--- a/Sources/Extensions/NetworkService/NetworkService+ActivityIndicator.swift
+++ b/Sources/Extensions/NetworkService/NetworkService+ActivityIndicator.swift
@@ -26,9 +26,12 @@ extension NetworkService {
 
     /// Let netwrok service automatically show / hide activity indicator
     public func bindActivityIndicator() -> Disposable {
-        return requestCount
-            .map { $0 != 0 }
-            .drive(UIApplication.shared.rx.isNetworkActivityIndicatorVisible)
+        // Fatal error: `drive*` family of methods can be only called from `MainThread`
+        return DispatchQueue.main.sync {
+            requestCount
+                .map { $0 != 0 }
+                .drive(UIApplication.shared.rx.isNetworkActivityIndicatorVisible)
+        }
     }
 
 }