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I thought I had a grasp of how they work in a general sense, but I've been trying out several keyboards lately and have run into some inexplicable behavior. For example, pressing the ESC key on one keyboard will functionally trigger the back function in Android, but on another keyboard it does not. Same with mouse inputs' right clicks, seeing incongruemt behavior. I know some keyboards have proprietary technologies that render special keys non-interoperable, but I thought the basic standard keys all trigger the same scan codes? Why is this not the case?

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  • Android seems to contain multiple key layout files may be those layout files had an impact in your case?
    – Robert
    Feb 24, 2021 at 8:30
  • @Robert I select the same layout in all cases though? I've also just noticed, the behavior seems to be application-specific, particularly Chrome.
    – Arctiic
    Feb 24, 2021 at 20:56

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