Forum Xamarin.iOS

CMMotionActivityManager native Crash

Hello @all,

I'm trying to get motion information out of the CMMotionActivitiyManager API, but for some reasons every time I start the ActivityUpdates (Method call: motionManager.StartActivityUpdates(...)) the App Crashes with the following information:

critical:
Native stacktrace:
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 0 MomentDrive.iOS 0x0000000101613de4 mono_handle_native_crash + 260
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 1 libsystem_platform.dylib 0x000000018ad1131c _sigtramp + 52
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 2 libsystem_kernel.dylib 0x000000018ac484d0 + 100
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 3 libsystem_kernel.dylib 0x000000018ac484fc system_set_sfi_window + 0
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 4 TCC 0x000000018de64498 + 0
2017-06-22 10:39:04.793 MomentDrive.iOS[1055:187393] critical: 5 TCC 0x000000018de643b8 + 0
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 6 TCC 0x000000018de673d4 + 340
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 7 libxpc.dylib 0x000000018ad46f38 + 80
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 8 libxpc.dylib 0x000000018ad46ea8 + 40
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 9 libdispatch.dylib 0x000000018ab0a9a0 + 16
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 10 libdispatch.dylib 0x000000018ab190d4 + 644
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393
] critical: 11 libdispatch.dylib 0x000000018ab1aa50 + 540
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 12 libdispatch.dylib 0x000000018ab1a7d0 + 124
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 13 libsystem_pthread.dylib 0x000000018ad13100 _pthread_wqthread + 1096
2017-06-22 10:39:04.794 MomentDrive.iOS[1055:187393] critical: 14 libsystem_pthread.dylib 0x000000018ad12cac start_wqthread + 4

2017-06-22 10:39:04.795 MomentDrive.iOS[1055:187393] critical:

Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.

The code looks like this:

        if (CMMotionActivityManager.IsActivityAvailable)
        {
            var motionManager = new CMMotionActivityManager();
            var queue = new NSOperationQueue();
            motionManager.StartActivityUpdates(queue, action =>
            {
                if (action.Automotive)
                {

                }
            });
        }

Best Answer

Answers

  • tura08tura08 USMember

    I'm getting the same error, with the same code as you.

    2017-07-01 11:38:51.722 iosapp[1095:318780] critical:
    Native stacktrace:

    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 0 libmonosgen-2.0.dylib 0x00000001007d5920 mono_handle_native_crash + 260
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 1 libsystem_platform.dylib 0x000000018ca1131c _sigtramp + 52
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 2 libsystem_kernel.dylib 0x000000018c9484d0 + 100
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 3 libsystem_kernel.dylib 0x000000018c9484fc system_set_sfi_window + 0
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 4 TCC 0x000000018fb64498 + 0
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 5 TCC 0x000000018fb643b8 + 0
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 6 TCC 0x000000018fb673d4 + 340
    2017-07-01 11:38:51.813 iosapp[1095:318780] critical: 7 libxpc.dylib 0x000000018ca46f38 + 80
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 8 libxpc.dylib 0x000000018ca46ea8 + 40
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 9 libdispatch.dylib 0x000000018c80a9a0 + 16
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 10 libdispatch.dylib 0x000000018c8190d4 + 644
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 11 libdispatch.dylib 0x000000018c81aa50 + 540
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 12 libdispatch.dylib 0x000000018c81a7d0 + 124
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 13 libsystem_pthread.dylib 0x000000018ca13100 _pthread_wqthread + 1096
    2017-07-01 11:38:51.814 iosapp[1095:318780] critical: 14 libsystem_pthread.dylib 0x000000018ca12cac start_wqthread + 4

    2017-07-01 11:38:51.814 iosapp[1095:318780] critical:

    Got a SIGABRT while executing native code. This usually indicates
    a fatal error in the mono runtime or one of the native libraries

    used by your application.

  • abhatiaabhatia Member ✭✭

    @ChristianPolanc @tura08 do either of you have a sample of this Xamarin iOS project you could share? I have been tasked with figuring out motion for company app to see if someone is driving a vehicle. Much appreciated, thanks.

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