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[Lorn Potter <lorn.potter@xxxxxxxxxxxxx>]

The dummy sensor plugin is useless by design, and emulates what an
accelerometer would be like in a desktop computer.

Noted from source code:
   // Your average desktop computer doesn't move :)

It could probably be changed to provide some easy sine wave data, but I
am not sure it's worth it.

Also note from the initial commit message (in qtmobility):

    Generic is for things like "orientation based on accelerometer".
    Dummy is for things like "give me an accelerometer on my desktop for testing".

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https://bugs.launchpad.net/bugs/1131765

Title:
  QML Accelerometer is always (useless) dummy.accelerometer

Status in “qtsensors-opensource-src” package in Ubuntu:
  New

Bug description:
  Tested on gnex, nex4 phones. Using QML to create the Accelerometer,
  the identified device is "dummy.accelerometer" and it returns no
  useful data (static x:0, y:g (aka 9.81m/s), z:0).

  Snippet:

              Row {
                  Label {
                      text: "Accel: "
                      fontSize: "large"
                  }
                  Label {
                      id: sensor
                      text: "..."
                      fontSize: "large"
                  }
              }
              Accelerometer {
                  id: accel
                  onReadingChanged: { sensor.text = accel.identifier; stop() }
                  active: true
              }

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