Ypimagepicker: Main Thread Checker! Problem

[toygift]

Describe the bug
Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 11892, TID: 2295184, Thread name: com.apple.CoreMotion.MotionThread, Queue name: com.apple.root.default-qos.overcommit, QoS: 0
Backtrace:
4 libobjc.A.dylib 0x0000000234adf6f4 + 56
5 CoreMotion 0x000000023b259d9c CoreMotion + 294300
6 CoreMotion 0x000000023b25a2cc CoreMotion + 295628
7 CoreMotion 0x000000023b25a1dc CoreMotion + 295388
8 CoreMotion 0x000000023b28801c CoreMotion + 483356
9 CoreMotion 0x000000023b288060 CoreMotion + 483424
10 CoreFoundation 0x000000023586e27c + 28
11 CoreFoundation 0x000000023586db64 + 276
12 CoreFoundation 0x0000000235868e58 + 2276
13 CoreFoundation 0x0000000235868254 CFRunLoopRunSpecific + 452
14 CoreFoundation 0x0000000235868f88 CFRunLoopRun + 84
15 CoreMotion 0x000000023b2879f4 CoreMotion + 481780
16 libsystem_pthread.dylib 0x00000002354e6908 + 132
17 libsystem_pthread.dylib 0x00000002354e6864 _pthread_start + 48
18 libsystem_pthread.dylib 0x00000002354eedcc thread_start + 4
2019-05-31 15:23:10.633633+0900 SMUL_iOS[11892:2295184] [reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 11892, TID: 2295184, Thread name: com.apple.CoreMotion.MotionThread, Queue name: com.apple.root.default-qos.overcommit, QoS: 0
Backtrace:
4 libobjc.A.dylib 0x0000000234adf6f4 + 56
5 CoreMotion 0x000000023b259d9c CoreMotion + 294300
6 CoreMotion 0x000000023b25a2cc CoreMotion + 295628
7 CoreMotion 0x000000023b25a1dc CoreMotion + 295388
8 CoreMotion 0x000000023b28801c CoreMotion + 483356
9 CoreMotion 0x000000023b288060 CoreMotion + 483424
10 CoreFoundation 0x000000023586e27c + 28
11 CoreFoundation 0x000000023586db64 + 276
12 CoreFoundation 0x0000000235868e58 + 2276
13 CoreFoundation 0x0000000235868254 CFRunLoopRunSpecific + 452
14 CoreFoundation 0x0000000235868f88 CFRunLoopRun + 84
15 CoreMotion 0x000000023b2879f4 CoreMotion + 481780
16 libsystem_pthread.dylib 0x00000002354e6908 + 132
17 libsystem_pthread.dylib 0x00000002354e6864 _pthread_start + 48
18 libsystem_pthread.dylib

It happen iphone xs,xs Max, xr
not 7,7s,8..etc not X version device

[gintechsystems]

Bug in Apple's CoreMotionManager:
https://stackoverflow.com/questions/54607856/main-thread-checker-warning-with-coremotion-only-appearing-on-2018-model-iphone

Workaround for now is to turn off Main Thread Checker for the scheme having the issue.

[toygift]

thx!!!