Ensure preferredContentSizeCategory is only called from the main thread

react-native-device-info · Oct 31, 2019 · 5db7c09 · 5db7c09
1 parent 2dced2b
commit 5db7c09
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/ios/RNDeviceInfo/RNDeviceInfo.m b/ios/RNDeviceInfo/RNDeviceInfo.m
@@ -382,7 +382,10 @@ - (float) getFontScale {
 
     // Shared application is unavailable in an app extension.
     if (application) {
-        NSString *contentSize = application.preferredContentSizeCategory;
+        __block NSString *contentSize = nil;
+        RCTUnsafeExecuteOnMainQueueSync(^{
+            contentSize = application.preferredContentSizeCategory;
+        });
 
         if ([contentSize isEqual: @"UICTContentSizeCategoryXS"]) fontScale = 0.82;
         else if ([contentSize isEqual: @"UICTContentSizeCategoryS"]) fontScale = 0.88;