From fff8704a449f22f639b3df709d7bf298566529f1 Mon Sep 17 00:00:00 2001
From: Dave Keck <dave@getshacked.com>
Date: Tue, 23 Apr 2013 11:10:34 -1000
Subject: [PATCH] Fixing crasher in AFNetworkActivityIndicatorManager, due to
 unsafe calls to updateNetworkActivityIndicatorVisibilityDelayed from multiple
 threads.

---
 AFNetworking/AFNetworkActivityIndicatorManager.m | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/AFNetworking/AFNetworkActivityIndicatorManager.m b/AFNetworking/AFNetworkActivityIndicatorManager.m
index b7e4256..a000a14 100644
--- a/AFNetworking/AFNetworkActivityIndicatorManager.m
+++ b/AFNetworking/AFNetworkActivityIndicatorManager.m
@@ -105,7 +105,10 @@ static NSTimeInterval const kAFNetworkActivityIndicatorInvisibilityDelay = 0.17;
 	@synchronized(self) {
 		_activityCount = activityCount;
 	}
-    [self updateNetworkActivityIndicatorVisibilityDelayed];
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self updateNetworkActivityIndicatorVisibilityDelayed];
+    });
 }
 
 - (void)incrementActivityCount {
@@ -114,7 +117,10 @@ static NSTimeInterval const kAFNetworkActivityIndicatorInvisibilityDelay = 0.17;
 		_activityCount++;
 	}
     [self didChangeValueForKey:@"activityCount"];
-    [self updateNetworkActivityIndicatorVisibilityDelayed];
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self updateNetworkActivityIndicatorVisibilityDelayed];
+    });
 }
 
 - (void)decrementActivityCount {
@@ -123,7 +129,10 @@ static NSTimeInterval const kAFNetworkActivityIndicatorInvisibilityDelay = 0.17;
 		_activityCount = MAX(_activityCount - 1, 0);
 	}
     [self didChangeValueForKey:@"activityCount"];
-    [self updateNetworkActivityIndicatorVisibilityDelayed];
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self updateNetworkActivityIndicatorVisibilityDelayed];
+    });
 }
 
 - (void)networkingOperationDidStart:(NSNotification *)notification {