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Qt Bluetooth in Windows: QBluetoothDeviceDiscoveryAgent::PoweredOffError not emitted

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  • H Offline
    H Offline
    harip
    wrote on 29 Jan 2020, 12:04 last edited by
    #1

    Qt Version : Qt 5.14.1 MSVC 2017 32 bit

    The bluetooth discovery agent module is not emitting the PoweredOffError error even though the Bluetooth adaptor is turned off in windows. Is this issue expected in Windows? The same code base is working in Android platform.

    Calling error() function of discovery agent after search is giving NoError value.

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    • S Offline
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      sierdzio
      Moderators
      wrote on 29 Jan 2020, 12:06 last edited by
      #2

      Don't quote me on this but I think it's normal. As far as I remember, Windows reports all devices as online as long as they are paired in system - even if in reality there are offline.

      (Z(:^

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      • H Offline
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        harip
        wrote on 29 Jan 2020, 12:15 last edited by
        #3

        @sierdzio I was mentioning the Error that should be reported when the bluetooth adapter is off in the Windows (System searching for other devices).

        To add to your comment, in windows at least in Qt 5.14.1 the devices would be discovered even if it is not paired in system bluetooth manager. The same was not true in previous versions of Qt

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        • S Offline
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          sierdzio
          Moderators
          wrote on 29 Jan 2020, 12:23 last edited by
          #4

          Ah ok sorry! Indeed last time I worked with BT it was with older Qt version.

          (Z(:^

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          4/4

          29 Jan 2020, 12:23

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