From 78ddcd76ee4b3ca1f3f958cf3cb089bacd0d4df3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Minh=20Nguye=CC=82=CC=83n?= <mxn@1ec5.org>
Date: Tue, 19 Apr 2016 08:54:39 -0700
Subject: [PATCH] [ios] Toggle telemetry on main queue

Cherry-picked from 3c4049c796270772184e4dd647c05e73774445e4.
---
 platform/ios/src/MGLMapboxEvents.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/platform/ios/src/MGLMapboxEvents.m b/platform/ios/src/MGLMapboxEvents.m
index 929a9616d..2dc7fee28 100644
--- a/platform/ios/src/MGLMapboxEvents.m
+++ b/platform/ios/src/MGLMapboxEvents.m
@@ -236,8 +236,9 @@ const NSTimeInterval MGLFlushInterval = 180;
 }
 
 - (void)userDefaultsDidChange:(NSNotification *)notification {
-    MGLAssertIsMainThread();
-    [self pauseOrResumeMetricsCollectionIfRequired];
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self pauseOrResumeMetricsCollectionIfRequired];
+    });
 }
 
 - (void)pauseOrResumeMetricsCollectionIfRequired {