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50
51#include "gruesensorimpl.h"
52#include <qsensorplugin.h>
53#include <qsensorbackend.h>
54#include <qsensormanager.h>
55#include <QFile>
56#include <QDebug>
57
58class GrueSensorPlugin : public QObject, public QSensorPluginInterface, public QSensorChangesInterface, public QSensorBackendFactory
59{
60 Q_OBJECT
61 Q_PLUGIN_METADATA(IID "com.qt-project.Qt.QSensorPluginInterface/1.0" FILE "plugin.json")
62 Q_INTERFACES(QSensorPluginInterface QSensorChangesInterface)
63public:
64 void registerSensors() override
65 {
66 qDebug() << "loaded the grue plugin";
67 }
68
69 void sensorsChanged() override
70 {
71 if (!QSensor::defaultSensorForType(type: QAmbientLightSensor::type).isEmpty()) {
72 // There is a light sensor available. Register the backend
73 if (!QSensorManager::isBackendRegistered(type: GrueSensor::type, identifier: gruesensorimpl::id))
74 QSensorManager::registerBackend(type: GrueSensor::type, identifier: gruesensorimpl::id, factory: this);
75 } else {
76 if (QSensorManager::isBackendRegistered(type: GrueSensor::type, identifier: gruesensorimpl::id))
77 QSensorManager::unregisterBackend(type: GrueSensor::type, identifier: gruesensorimpl::id);
78 }
79 }
80
81 QSensorBackend *createBackend(QSensor *sensor) override
82 {
83 if (sensor->identifier() == gruesensorimpl::id)
84 return new gruesensorimpl(sensor);
85
86 return 0;
87 }
88};
89
90#include "main.moc"
91
92

source code of qtsensors/examples/sensors/grue/plugin/main.cpp