Qt Sensors - SensorGesture QML Type example
Overview
To write a QML application that will use the gesture plugin, following steps are needed:
Import the QtSensors 5.x module:
import QtSensors 5.0
Add the SensorGesture QML type into your qml file.
      SensorGesture {
          id: sensorGesture
          enabled: false
          onDetected: {
              if (gesture !== oldGesture)
                  count = 0;
              valueText.text = gesture + " " + count;
              oldGesture = gesture;
              count++;
          }
          onEnabledChanged: {
              valueText.text = ""
          }
      }
Each SensorGesture QML type contains a property called gestures. This example uses an alias gestureId for this property.
      property alias gestureId: sensorGesture.gestures
Then, the gesture or gestures to use can be specified using the alias:
          onSelectedGestureChanged: {
              gesture.enabled = false;
              gesture.gestureId = gestureList.selectedGesture;
              ...
          }
A list of all available gestures is accessible through the availableGestures property:
          ListView {
              id: gestureList
              model: gesture.availableGestures
              ...
          }
Files:
- qmlsensorgestures/Button.qml
- qmlsensorgestures/GestureList.qml
- qmlsensorgestures/GestureView.qml
- qmlsensorgestures/GesturesView.qml
- qmlsensorgestures/Makefile.qml
- qmlsensorgestures/main.cpp
- qmlsensorgestures/plugin/plugin.pro
- qmlsensorgestures/plugin/qcountergestureplugin.cpp
- qmlsensorgestures/plugin/qcountergestureplugin.h
- qmlsensorgestures/plugin/qcounterrecognizer.cpp
- qmlsensorgestures/plugin/qcounterrecognizer.h
- qmlsensorgestures/qml.pro
- qmlsensorgestures/qml.qrc
- qmlsensorgestures/qmlsensorgestures.pro
- qmlsensorgestures/qmlsensorgestures.qml
See also Qt Sensors - ShakeIt QML Example and Qt Sensor Gestures.