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iOS main thread warning

paulancajima
Visitor

Dynatrace SPM version 8.257.1

I'm getting a purple runtime warning from my Dynatrace iOS library. Its a binary package so I can't see the source code, but here is the console log from XCode. Below is output from the console log.

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

PID: 65171, TID: 88499417, Thread name: (none), Queue name: com.apple.root.user-initiated-qos, QoS: 25

Backtrace:

4   Dynatrace                           0x0000000104a71d30 -[DTXDeviceInfo getScreen] + 148

5   Dynatrace                           0x0000000104a721b8 -[DTXDeviceInfo getScreenBounds] + 32

6   Dynatrace                           0x0000000104a7337c -[DTXDeviceInfo screenPixelSize] + 72

7   Dynatrace                           0x0000000104a75e30 +[DTXSessionInfo createWithVisitorId:sessionId:sessionSequence:] + 1036

8   Dynatrace                           0x0000000104a648e8 -[DTXAgentController(Private) createNewSession:] + 908

9   Dynatrace                           0x0000000104a62a88 -[DTXAgentController agentController_endVisitWithEndData:] + 68

10  Dynatrace                           0x0000000104ae2c28 +[Dynatrace(Private) dynatrace_endVisit:] + 544

11  Dynatrace                           0x0000000104a627a0 __55-[DTXAgentController addSessionSplitOperationWithInfo:]_block_invoke_2 + 772

12  Dynatrace                           0x0000000104a6c140 __50-[DTXSendIntervalManager checkRunningActionsCount]_block_invoke + 216

13  libdispatch.dylib                   0x00000001040c4594 _dispatch_call_block_and_release + 24

14  libdispatch.dylib                   0x00000001040c5d5c _dispatch_client_callout + 16

15  libdispatch.dylib                   0x00000001040daae8 _dispatch_root_queue_drain + 1012

16  libdispatch.dylib                   0x00000001040db53c _dispatch_worker_thread2 + 248

17  libsystem_pthread.dylib             0x00000001b0598b04 _pthread_wqthread + 224

18  libsystem_pthread.dylib             0x00000001b0597904 start_wqthread + 8

1 REPLY 1

Patrick_H
Dynatrace Leader
Dynatrace Leader

This was a regression when we switched to a new API for getting the screen dimensions - it is already fixed in recent versions (8.259.1 or newer)

iOS help: https://www.dynatrace.com/support/help/shortlink/ios-hub

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