What is MGIsDeviceOneOfType

Developer Tools & Services Xcode
Claude31 OP
Created Jun ’18
Replies 18
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Just installed XCode 10.


I receive the following warning:


2018-06-05 13:25:47.686865+0200 simpleTest[14581:1428592] libMobileGestalt MobileGestalt.c:875: MGIsDeviceOneOfType is not supported on this platform.


Cannot find what MGIsDeviceOneOfType is about.


Edited : is it related to Mapping and Geographical Information System (“MGIS”) ?

Answered by KMT in 315369022

Right, I'd guess it's just something internal, an ident artifact, temporarily exposed in the beta - if it doesn't clear up later in the cycle, it might need to be bugged. In the mean time, feel free to ignore.

Replies  18
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jm2001 OP
Jun ’18

I'm currently also getting this issue after upgrading to XCode 10. Never had any display issues either before upgrading but now Tab Views do not display their labels correctly and I'm getting streams of warnings related to this.


Wonder if it is to do with Tab View Controllers?


Edit: I've just found after running the app on a development device, that error no longer exists. iOS Simulator Bug?

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KMT OP
Jun ’18

>Mapping and Geographical Information System (“MGIS”) ?


I think: MG _Is_ Device One Of Type - MG being mobile gestalt - is device one (of type), vs. device two, etc.

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mv.albuquerque OP
Jun ’18

Me too


whats is fixed the problem? please?


libMobileGestalt MobileGestalt.c:875: MGIsDeviceOneOfType is not supported on this platform.

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mv.albuquerque OP
Jun ’18

HELP



objc[2421]: Class CLConnectionCachedMessage is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreLocation.framework/CoreLocation (0x11ef25c40) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreMotion.framework/CoreMotion (0x12ab15860). One of the two will be used. Which one is undefined.

objc[2421]: Class CLLocationInternalClient is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreLocation.framework/CoreLocation (0x11ef25a60) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/Frameworks/CoreMotion.framework/CoreMotion (0x12ab15cc0). One of the two will be used. Which one is undefined.

objc[2421]: Class VCWeakObjectHolder is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AVConference.framework/Frameworks/ViceroyTrace.framework/ViceroyTrace (0x12c940c10) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AVConference.framework/AVConference (0x12b919c80). One of the two will be used. Which one is undefined.

objc[2421]: Class AXAccessQueue is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AccessibilityUtilities.framework/AccessibilityUtilities (0x12933fce0) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/Accessibility.framework/Frameworks/AXHearingSupport.framework/AXHearingSupport (0x12b06c6d8). One of the two will be used. Which one is undefined.

objc[2421]: Class AXAccessQueueTimer is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AccessibilityUtilities.framework/AccessibilityUtilities (0x12933d260) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/Accessibility.framework/Frameworks/AXHearingSupport.framework/AXHearingSupport (0x12b06c728). One of the two will be used. Which one is undefined.

2018-06-15 20:10:41.779917-0300 *****[2421:77908] [AXMediaCommon] Unable to look up screen scale

2018-06-15 20:10:41.780052-0300 *****[2421:77908] [AXMediaCommon] Unexpected physical screen orientation

2018-06-15 20:10:41.822274-0300 *****[2421:77908] [AXMediaCommon] Unable to look up screen scale

2018-06-15 20:10:41.843449-0300 *****[2421:77908] [AXMediaCommon] Unable to look up screen scale

2018-06-15 20:10:41.843591-0300 *****[2421:77908] [AXMediaCommon] Unexpected physical screen orientation

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TimeDelta OP
Jul ’18

I am getting a similar issue:


2018-07-29 18:17:41.909088-0400 DataIntegration[27316:5602701] libMobileGestalt MobileGestalt.c:890: MGIsDeviceOneOfType is not supported on this platform.
objc[27316]: Class AXAccessQueue is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AccessibilityUtilities.framework/AccessibilityUtilities (0x12bba1db0) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/Accessibility.framework/Frameworks/AXHearingSupport.framework/AXHearingSupport (0x12c691428). One of the two will be used. Which one is undefined.
objc[27316]: Class AXAccessQueueTimer is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/AccessibilityUtilities.framework/AccessibilityUtilities (0x12bb9f3d0) and /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/Accessibility.framework/Frameworks/AXHearingSupport.framework/AXHearingSupport (0x12c691478). One of the two will be used. Which one is undefined.
2018-07-29 18:17:42.202658-0400 DataIntegration[27316:5602701] [AXMediaCommon] Unable to look up screen scale
2018-07-29 18:17:42.202772-0400 DataIntegration[27316:5602701] [AXMediaCommon] Unexpected physical screen orientation
2018-07-29 18:17:42.247410-0400 DataIntegration[27316:5602701] [AXMediaCommon] Unable to look up screen scale
2018-07-29 18:17:42.269614-0400 DataIntegration[27316:5602701] [AXMediaCommon] Unable to look up screen scale
2018-07-29 18:17:42.269720-0400 DataIntegration[27316:5602701] [AXMediaCommon] Unexpected physical screen orientation
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madjae1111 OP
Aug ’18

Same here re: AXAccessQueue and AXAccessQueueTimer. Happens when trying to access external screen (including carplay screen).

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Claude31 OP
Aug ’18

No solution yet. But I live with it ! Does not seem to have any bad consequence.

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espri OP
Sep ’18

I see the message too when I compile a simple project to the iPhone SE simulator (with Xcode 10.0) but it doesn't appear when compiling to the iPhone XR simulator. So it seems to refer to some device-dependent property. I have no idea what the emssage means, though.

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valri7 OP
Sep ’18

On Xcode 10.0/iOS12 : I have the same message when I compile for simulator iPhone 6S but no message on real iPhone 6S (and no error message on simulator for Iphone XR). See no impact on running.

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aeschinder OP
Oct ’18

I was getting this simulating iPhone 10+ on XCode 10. Switched to XS Max and the error went away for me, too.

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sprawlMaven OP
Oct ’18

Noting in case it is helpful for Apple. Just starting to work with XCode 10, OS 10.13.6

I've never, ever seen this error before.

I was building to Simulator for iPhone 8, and nothing seemed to remove the message.

Building to XS Max in the Simulator and the error disappears.


Error message: "2018-10-03 14:42:43.790592-0700 ToDo3b[13422:3011659] libMobileGestalt MobileGestalt.c:890: MGIsDeviceOneOfType is not supported on this platform."

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jing yu OP
Oct ’18

This confuse me for long time

objc[4078]: Class AXAccessQueue is implemented in both ... and .... One of the two will be used. Which one is undefined.

objc[4078]: Class AXAccessQueueTimer is implemented in both ... and . One of the two will be used. Which one is undefined.

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elmasrysoftware OP
Oct ’18

From his book print (<# T ## items: Any ... ## Any #>) to test the software on the device

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Patmac OP
Nov ’18

As far as I know Gestalt refers to the "Machine" ID (e.g iPhone 7, Imac 4.1) and simular hardware components... Could be wrong but I'm just gonna ignore it. Test it on a real device and see if you still get the problem (I just started a new project, so I would be suprised if it would really have anything to do with me and or code)

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crapio99 OP
Jul ’19

just make sure the website is https://!

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