Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] [63322270]

Fixed

Bug

Status Update

No update yet.

Description

[Deleted User]

created issue #1

Jul 5, 2017 03:33PM

What is the incorrect behavior that you are experiencing?

- Xcode 9 includes the new Main Thread Checker (

https://developer.apple.com/documentation/code_diagnostics/main_thread_checker). The checker warns that -[UIApplication applicationState] (called by GMSIsApplicationInBackground) is being called on a background thread. Attached main-thread-checker-trace.txt.

What should happen instead?

- No warning should be logged.

Link to the Demo application[1] that reproduces the problem:

N/A

Steps to reproduce the problem:

N/A

Operating system version: iOS 11 beta 2, Xcode 9 beta 2
Google Maps SDK for iOS version: 2.2.0
Hardware model: N/A

-------------------------------------------------------------------
[1] You can fork

https://github.com/googlemaps/maps-sdk-for-ios-samples.git and modify it until it demonstrates the issue

main-thread-checker-trace.txt

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di...@google.com <di...@google.com> Jul 6, 2017 04:23PM

Assigned to di...@google.com.

di...@google.com <di...@google.com> Jul 7, 2017 07:47AM

Accepted by di...@google.com.

[Deleted User] <[Deleted User]> #2Sep 28, 2017 08:11PM

No progress on this?

an...@gmail.com <an...@gmail.com> #3Sep 28, 2017 09:54PM

+1
StackOverflow:

https://stackoverflow.com/questions/46333235/issues-after-updating-to-ios11-and-xcode9-com-google-maps-labelingbehavior

na...@gmail.com <na...@gmail.com> #4Sep 29, 2017 06:42AM

This issue also includes next warnings, that are not included into in issue sample file: main-thread-checker-trace.txt

`CoreData: annotation: Failed to load optimized model at path '/var/containers/Bundle/Application/1956CD45-6E83-4C98-BD29-70A342549E95/

Address.Book.app/GoogleMaps.bundle/GMSCacheStorage.momd/Storage.omo'`
`CoreData: annotation: Failed to load optimized model at path '/var/containers/Bundle/Application/1956CD45-6E83-4C98-BD29-70A342549E95/

Address.Book.app/GoogleMaps.bundle/GMSCacheStorage.momd/Storage.omo'`

[Deleted User] <[Deleted User]> #5Sep 30, 2017 09:20PM

Any progress on this? I am experiencing the same issue where it says Failed to load optimized model at path. This seems to be okay if no optimization happens during compilation, but that is not recommended for releases.

ya...@gmail.com <ya...@gmail.com> #6Oct 2, 2017 08:57AM

I reported about it tens days ago and my report don't accepted

ya...@gmail.com <ya...@gmail.com> #7Oct 2, 2017 09:04AM

"Thank you for reporting this issue. We are planning to include a fix in the future versions of the SDK."
Okay, Google

me...@gmail.com <me...@gmail.com> #8Oct 4, 2017 05:09AM

Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 1569, TID: 643887, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 Tipp 0x0000000101192d3c GMSIsApplicationInBackground + 56
5 Tipp 0x0000000101180ee0 -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 288
6 Tipp 0x00000001012532c0 _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 324
7 Tipp 0x000000010125272c _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 240
8 Tipp 0x0000000101250300 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 44
9 Tipp 0x000000010125040c _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 204
10 Tipp 0x00000001011b2ac0 _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 180
11 Tipp 0x00000001011b29e8 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 36
12 Tipp 0x000000010121ae10 _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 832
13 Tipp 0x000000010121a848 _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 236
14 Tipp 0x000000010121a74c ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 28
15 Foundation 0x0000000183667a50 <redacted> + 340
16 CoreFoundation 0x0000000182c20358 <redacted> + 24
17 CoreFoundation 0x0000000182c202d8 <redacted> + 88
18 CoreFoundation 0x0000000182c1fb60 <redacted> + 204
19 CoreFoundation 0x0000000182c1d738 <redacted> + 1048
20 CoreFoundation 0x0000000182b3e2d8 CFRunLoopRunSpecific + 436
21 Foundation 0x00000001835666e4 <redacted> + 304
22 Tipp 0x000000010125195c -[GMSx_GTMSimpleWorkerThread main] + 520
23 Foundation 0x0000000183667860 <redacted> + 996
24 libsystem_pthread.dylib 0x00000001828a432c <redacted> + 308
25 libsystem_pthread.dylib 0x00000001828a41f8 <redacted> + 0
26 libsystem_pthread.dylib 0x00000001828a2c38 thread_start + 4
2017-10-04 10:31:03.177702+0530 Tipp[1569:643887] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 1569, TID: 643887, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 Tipp 0x0000000101192d3c GMSIsApplicationInBackground + 56
5 Tipp 0x0000000101180ee0 -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 288
6 Tipp 0x00000001012532c0 _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 324
7 Tipp 0x000000010125272c _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 240
8 Tipp 0x0000000101250300 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 44
9 Tipp 0x000000010125040c _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 204
10 Tipp 0x00000001011b2ac0 _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 180
11 Tipp 0x00000001011b29e8 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 36
12 Tipp 0x000000010121ae10 _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 832
13 Tipp 0x000000010121a848 _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 236
14 Tipp 0x000000010121a74c ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 28
15 Foundation 0x0000000183667a50 <redacted> + 340
16 CoreFoundation 0x0000000182c20358 <redacted> + 24
17 CoreFoundation 0x0000000182c202d8 <redacted> + 88
18 CoreFoundation 0x0000000182c1fb60 <redacted> + 204
19 CoreFoundation 0x0000000182c1d738 <redacted> + 1048
20 CoreFoundation 0x0000000182b3e2d8 CFRunLoopRunSpecific + 436
21 Foundation 0x00000001835666e4 <redacted> + 304
22 Tipp 0x000000010125195c -[GMSx_GTMSimpleWorkerThread main] + 520
23 Foundation 0x0000000183667860 <redacted> + 996
24 libsystem_pthread.dylib 0x00000001828a432c <redacted> + 308
25 libsystem_pthread.dylib 0x00000001828a41f8 <redacted> + 0
26 libsystem_pthread.dylib 0x00000001828a2c38 thread_start + 4

ma...@gmail.com <ma...@gmail.com> #9Oct 4, 2017 03:33PM

Dont know if this helps, but here

Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 5735, TID: 247047, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 PokemonGo Groupfinder 0x000000010d7d6884 GMSIsApplicationInBackground + 53
5 PokemonGo Groupfinder 0x000000010d7c4ada -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 269
6 PokemonGo Groupfinder 0x000000010d8a494e _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 344
7 PokemonGo Groupfinder 0x000000010d8a3db8 _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 214
8 PokemonGo Groupfinder 0x000000010d8a186e _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 22
9 PokemonGo Groupfinder 0x000000010d8a1971 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 207
10 PokemonGo Groupfinder 0x000000010d7f963f _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 181
11 PokemonGo Groupfinder 0x000000010d7f9567 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 33
12 PokemonGo Groupfinder 0x000000010d86858a _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 1096
13 PokemonGo Groupfinder 0x000000010d867efd _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 357
14 PokemonGo Groupfinder 0x000000010d867d8a ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 22
15 Foundation 0x00000001163b7948 __NSThreadPerformPerform + 334
16 CoreFoundation 0x0000000116fb62b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
17 CoreFoundation 0x0000000117055d31 __CFRunLoopDoSource0 + 81
18 CoreFoundation 0x0000000116f9ac19 __CFRunLoopDoSources0 + 185
19 CoreFoundation 0x0000000116f9a1ff __CFRunLoopRun + 1279
20 CoreFoundation 0x0000000116f99a89 CFRunLoopRunSpecific + 409
21 Foundation 0x0000000116371e5e -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 274
22 PokemonGo Groupfinder 0x000000010d8a3045 -[GMSx_GTMSimpleWorkerThread main] + 337
23 Foundation 0x000000011637f8ac __NSThread__start__ + 1197
24 libsystem_pthread.dylib 0x000000011855d93b _pthread_body + 180
25 libsystem_pthread.dylib 0x000000011855d887 _pthread_body + 0
26 libsystem_pthread.dylib 0x000000011855d08d thread_start + 13
2017-10-04 17:29:49.469284+0200 PokemonGo Groupfinder[5735:247047] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 5735, TID: 247047, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 PokemonGo Groupfinder 0x000000010d7d6884 GMSIsApplicationInBackground + 53
5 PokemonGo Groupfinder 0x000000010d7c4ada -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 269
6 PokemonGo Groupfinder 0x000000010d8a494e _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 344
7 PokemonGo Groupfinder 0x000000010d8a3db8 _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 214
8 PokemonGo Groupfinder 0x000000010d8a186e _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 22
9 PokemonGo Groupfinder 0x000000010d8a1971 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 207
10 PokemonGo Groupfinder 0x000000010d7f963f _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 181
11 PokemonGo Groupfinder 0x000000010d7f9567 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 33
12 PokemonGo Groupfinder 0x000000010d86858a _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 1096
13 PokemonGo Groupfinder 0x000000010d867efd _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 357
14 PokemonGo Groupfinder 0x000000010d867d8a ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 22
15 Foundation 0x00000001163b7948 __NSThreadPerformPerform + 334
16 CoreFoundation 0x0000000116fb62b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
17 CoreFoundation 0x0000000117055d31 __CFRunLoopDoSource0 + 81
18 CoreFoundation 0x0000000116f9ac19 __CFRunLoopDoSources0 + 185
19 CoreFoundation 0x0000000116f9a1ff __CFRunLoopRun + 1279
20 CoreFoundation 0x0000000116f99a89 CFRunLoopRunSpecific + 409
21 Foundation 0x0000000116371e5e -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 274
22 PokemonGo Groupfinder 0x000000010d8a3045 -[GMSx_GTMSimpleWorkerThread main] + 337
23 Foundation 0x000000011637f8ac __NSThread__start__ + 1197
24 libsystem_pthread.dylib 0x000000011855d93b _pthread_body + 180
25 libsystem_pthread.dylib 0x000000011855d887 _pthread_body + 0
26 libsystem_pthread.dylib 0x000000011855d08d thread_start + 13
2017-10-04 17:29:52.304551+0200 PokemonGo Groupfinder[5735:246964] [MC] Reading from private effective user settings.
2017-10-04 17:29:52.823493+0200 PokemonGo Groupfinder[5735:246982] TIC Read Status [2:0x0]: 1:57
2017-10-04 17:29:52.823775+0200 PokemonGo Groupfinder[5735:246982] TIC Read Status [2:0x0]: 1:57
2017-10-04 17:29:52.824452+0200 PokemonGo Groupfinder[5735:246625] Google Maps SDK for iOS and Google Places API for iOS version: 2.4.30121.0
2017-10-04 17:30:52.244367+0200 PokemonGo Groupfinder[5735:247000] TIC Read Status [4:0x0]: 1:57
2017-10-04 17:30:52.244552+0200 PokemonGo Groupfinder[5735:247000] TIC Read Status [4:0x0]: 1:57
2017-10-04 17:30:54.416156+0200 PokemonGo Groupfinder[5735:247615] <Google:HTML> You are currently using version 7.23.0 of the SDK. Please consider updating your SDK to the most recent SDK version to get the latest features and bug fixes. The latest SDK can be downloaded from

http://goo.gl/iGzfsP. A full list of release notes is available at

https://developers.google.com/admob/ios/rel-notes.

ap...@gmail.com <ap...@gmail.com> #10Oct 5, 2017 02:52PM

lo...@gmail.com <lo...@gmail.com> #11Oct 5, 2017 07:20PM

Same issue +1

[Deleted User] <[Deleted User]> #12Oct 5, 2017 07:25PM

ja...@gmail.com <ja...@gmail.com> #13Oct 6, 2017 01:29AM

dr...@gmail.com <dr...@gmail.com> #14Oct 6, 2017 09:57AM

ta...@gmail.com <ta...@gmail.com> #15Oct 6, 2017 01:41PM

na...@gmail.com <na...@gmail.com> #16Oct 6, 2017 05:29PM

Yep... +1

js...@gmail.com <js...@gmail.com> #17Oct 8, 2017 01:07AM

Same Issue

da...@gmail.com <da...@gmail.com> #18Oct 8, 2017 05:52AM

Use star button to show your interest in this issue, every time you add your proud “+1” bunch of people who are waiting for closed issue, get an email!

to...@gmail.com <to...@gmail.com> #19Oct 8, 2017 01:12PM

sa...@gmail.com <sa...@gmail.com> #20Oct 8, 2017 01:13PM

[Deleted User] <[Deleted User]> #21Oct 9, 2017 10:09AM

na...@gmail.com <na...@gmail.com> #22Oct 9, 2017 10:15AM

Dear colleagues!

If you have the same issue please just start it. Use star button near the topic, this is enough!

Do not put "+1" comments. Every time you add your proud “+1” all of the people who are waiting for the closed issue, get an email - that is terrible!

Thank you all!

jy...@gmail.com <jy...@gmail.com> #23Oct 12, 2017 09:21AM

di...@google.com <di...@google.com> #24Oct 12, 2017 02:05PM

We are planning to include the fix in the next version of the SDK. Stay tuned to the new release that will happen in the next couple of weeks.

sh...@gmail.com <sh...@gmail.com> #25Oct 16, 2017 10:12AM

ka...@iobird.com <ka...@iobird.com> #26Oct 17, 2017 04:28PM

[Deleted User] <[Deleted User]> #27Oct 18, 2017 10:18AM

ro...@gmail.com <ro...@gmail.com> #28Oct 18, 2017 10:50AM

You people, do realise that each time you send the stupid "+1" message, everybody gets spammed with a meaningless email, while waiting for an official statement?
Star the issue and move on.

ya...@gmail.com <ya...@gmail.com> #29Oct 18, 2017 03:08PM

Why? +1 Is so funny. And Google will work more quickly.

ug...@googlemail.com <ug...@googlemail.com> #30Oct 18, 2017 03:29PM

Comment has been deleted.

Message last modified on May 7, 2021 12:18PM

av...@gmail.com <av...@gmail.com> #31Oct 19, 2017 09:55AM

seeing this in my xcode logs as well

av...@gmail.com <av...@gmail.com> #32Oct 19, 2017 09:59AM

be...@gmail.com <be...@gmail.com> #33Oct 19, 2017 02:50PM

wi...@gmail.com <wi...@gmail.com> #34Oct 20, 2017 01:52PM

Disconnecting the device and running the app helped me, not sure if this is new info, just found the problem today.

Message last modified on Oct 20, 2017 01:54PM

[Deleted User] <[Deleted User]> #35Oct 22, 2017 08:08PM

ni...@gmail.com <ni...@gmail.com> #36Oct 22, 2017 08:12PM

+infinity
There. No more need for +1s ;-)

[Deleted User] <[Deleted User]> #37Oct 23, 2017 12:50PM

di...@google.com <di...@google.com> #38Oct 24, 2017 10:10AM

Marked as fixed.

We believe that this issue should be solved in the Maps iOS SDK v2.5 release. If this issue still occurs, please let us know.

[Deleted User] <[Deleted User]> #39Oct 24, 2017 05:42PM

Can you provide a download link for the new framework?

https://developers.google.com/maps/documentation/ios-sdk/start is still out of date, although I see the release notes under support.

ke...@gmail.com <ke...@gmail.com> #40Oct 25, 2017 01:17AM

updated pod to 2.5, Failed to load error is still there. Started a new test project. The error is in that project as well.

Message last modified on Oct 25, 2017 01:40AM

ya...@gmail.com <ya...@gmail.com> #41Oct 28, 2017 08:29AM

update from cocoapod was success
But.
No more warnings about update UI from no main thread, but in iOS 11.0.1 Simulator freeze still here. Very slow work of maps at Simulator. I have no device for check it on device. And in iOS 10 works great.

af...@gmail.com <af...@gmail.com> #42Oct 29, 2017 05:27PM

Updated to 2.5 through cocoapods. The warning is gone, but it still lags and slows down on iOS 11 simulator. It works just fine on earlier versions as well as real iphone devices.

[Deleted User] <[Deleted User]> #43Oct 30, 2017 06:01PM

That is an Xcode / Simulator problem. Should be fixed in latest Xcode beta.

di...@google.com <di...@google.com> #44Oct 31, 2017 10:27AM

Concerning the slowness detected in the iOS 11 simulators, please refer to the open radar issue with Apple:

http://www.openradar.me/33505938

mm...@gmail.com <mm...@gmail.com> #45Dec 14, 2017 04:48PM

I still receive this error/warning even today in latest Xcode (9.2 - 9C40b). Updated pods to latest and everything as well. Bug still there.

rn...@gmail.com <rn...@gmail.com> #46Apr 29, 2018 09:37AM

I still receive this error with Xcode 9.3 and latest pods

=================================================================
Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 2370, TID: 776405, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 0x0000000100533ec0 GMSIsApplicationInBackground + 56
5 0x00000001005da3c0 -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 256
6 0x00000001005a57d0 _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 324
7 0x0000000100596c74 _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 240
8 0x0000000100595288 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 44
9 0x0000000100595394 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 204
10 0x000000010057b9fc _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 180
11 0x000000010057b924 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 36
12 0x000000010058ee38 _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 832
13 0x000000010058e870 _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 236
14 0x000000010058e774 ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 28
15 Foundation 0x0000000185f2b2e4 <redacted> + 340
16 CoreFoundation 0x00000001854d777c <redacted> + 24
17 CoreFoundation 0x00000001854d76fc <redacted> + 88
18 CoreFoundation 0x00000001854d6f84 <redacted> + 204
19 CoreFoundation 0x00000001854d4b5c <redacted> + 1048
20 CoreFoundation 0x00000001853f4c58 CFRunLoopRunSpecific + 436
21 Foundation 0x0000000185e29594 <redacted> + 304
22 0x00000001005d0034 -[GMSx_GTMSimpleWorkerThread main] + 520
23 Foundation 0x0000000185f2b0f4 <redacted> + 996
24 libsystem_pthread.dylib 0x00000001851582b4 <redacted> + 308
25 libsystem_pthread.dylib 0x0000000185158180 <redacted> + 0
26 libsystem_pthread.dylib 0x0000000185156b74 thread_start + 4
2018-04-29 05:34:14.241569-0400[2370:776405] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 2370, TID: 776405, Thread name: com.google.Maps.LabelingBehavior, Queue name: com.apple.root.default-qos.overcommit, QoS: 21
Backtrace:
4 0x0000000100533ec0 GMSIsApplicationInBackground + 56
5 0x00000001005da3c0 -[GMSForegroundDispatchQueue initWithName:targetQueue:] + 256
6 0x00000001005a57d0 _ZN7gmscore6vector4text8GlyphSetC2ERKNS_4base10reffed_ptrINS0_16TextureAtlasPoolEEEPU28objcproto17OS_dispatch_queue8NSObjectPK8__CTFontff + 324
7 0x0000000100596c74 _ZN7gmscore6vector4text10GlyphCache11GetGlyphSetEPK8__CTFontf + 240
8 0x0000000100595288 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEERKNSt3__16vectorItNS9_9allocatorItEEEEPK8__CTFontf + 44
9 0x0000000100595394 _ZN7gmscore6vector4text6GLText14PrefetchGlyphsERKNS_4base10reffed_ptrINS1_10GlyphCacheEEEPK8__CTLinebf + 204
10 0x000000010057b9fc _ZN7gmscore6vector12GLPointLabel22PrefetchGlyphsForGroupEPNS0_12GLLabelGroupE + 180
11 0x000000010057b924 _ZN7gmscore6vector12GLPointLabel14PrefetchGlyphsEv + 36
12 0x000000010058ee38 _ZN7gmscore6vector16LabelingBehavior23CreatePendingOperationsERKNSt3__13setINS_4base10reffed_ptrINS0_7GLLabelEEENS2_4lessIS7_EENS2_9allocatorIS7_EEEESE_SE_NS0_13LabelDrawModeE + 832
13 0x000000010058e870 _ZN7gmscore6vector16LabelingBehavior14RunLabelingJobERKNS_4base10reffed_ptrINS1_11LabelingJobEEE + 236
14 0x000000010058e774 ___ZN7gmscore6vector16LabelingBehavior14CommitInternalEPNS_8renderer14EntityRendererE_block_invoke + 28
15 Foundation 0x0000000185f2b2e4 <redacted> + 340
16 CoreFoundation 0x00000001854d777c <redacted> + 24
17 CoreFoundation 0x00000001854d76fc <redacted> + 88
18 CoreFoundation 0x00000001854d6f84 <redacted> + 204
19 CoreFoundation 0x00000001854d4b5c <redacted> + 1048
20 CoreFoundation 0x00000001853f4c58 CFRunLoopRunSpecific + 436
21 Foundation 0x0000000185e29594 <redacted> + 304
22 0x00000001005d0034 -[GMSx_GTMSimpleWorkerThread main] + 520
23 Foundation 0x0000000185f2b0f4 <redacted> + 996
24 libsystem_pthread.dylib 0x00000001851582b4 <redacted> + 308
25 libsystem_pthread.dylib 0x0000000185158180 <redacted> + 0
26 libsystem_pthread.dylib 0x0000000185156b74 thread_start + 4