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Xcode (or at least Xcode 9.2) has a virtual touchbar that you can launch by pressing Command+Shift+5. This virtual touchbar works on all applications that support it, and is always on top (of every window). I was wondering if I could somehow run the virtual touchbar without having Xcode open, as it uses a bunch of CPU power, and to see if it can be done out of interest.

The virtual touchbar, when running, is named IDETouchBarSimulatorService (in Activity Monitor) and seems to be located at /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Versions/A/XPCServices/IDETouchBarSimulatorService.xpc/Contents/MacOS/IDETouchBarSimulatorService.

Interestingly enough, when it's running, /Applications/Xcode.app/Contents/MacOS/Xcode is listed (in Activity Monitor) as an open file.

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