diff options
| -rw-r--r-- | platform/darwin/src/MGLAttributionInfo.mm | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/platform/darwin/src/MGLAttributionInfo.mm b/platform/darwin/src/MGLAttributionInfo.mm index 07d10e852b..b780b2ae0d 100644 --- a/platform/darwin/src/MGLAttributionInfo.mm +++ b/platform/darwin/src/MGLAttributionInfo.mm @@ -65,10 +65,20 @@ NSData *htmlData = [styledHTML dataUsingEncoding:NSUTF8StringEncoding]; #if TARGET_OS_IPHONE - NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithData:htmlData - options:options - documentAttributes:nil - error:NULL]; + __block NSMutableAttributedString *attributedString; + dispatch_block_t initialization = ^{ + // This initializer should be called from a global or main queue. https://developer.apple.com/documentation/foundation/nsattributedstring/1524613-initwithdata + attributedString = [[NSMutableAttributedString alloc] initWithData:htmlData + options:options + documentAttributes:nil + error:NULL]; + }; + + if (![[NSThread currentThread] isMainThread]) { + dispatch_sync(dispatch_get_main_queue(), initialization); + } else { + initialization(); + } #else NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithHTML:htmlData options:options |