added gps support

added compass support
added ui elements for gps and compass
added support for writing sensor data

sensors/android/AccelerometerSensorAndroid.h

@@ -1,7 +1,6 @@
 #ifndef ACCELEROMETERSENSORANDROID_H
 #define ACCELEROMETERSENSORANDROID_H
 
-
 #ifdef ANDROID
 
 #include <sstream>

sensors/android/CompassSensorAndroid.h

@@ -0,0 +1,63 @@
+#ifndef COMPASSSENSORANDROID_H
+#define COMPASSSENSORANDROID_H
+
+#ifdef ANDROID
+
+#include <sstream>
+
+#include "../CompassSensor.h"
+
+#include <QtSensors/QCompass>
+
+class CompassSensorAndroid : public CompassSensor {
+
+private:
+
+	QCompass compass;
+
+	/** hidden ctor. use singleton */
+	CompassSensorAndroid() {
+		;
+	}
+
+	bool started = false;
+
+public:
+
+	/** singleton access */
+	static CompassSensorAndroid& get() {
+		static CompassSensorAndroid compass;
+		return compass;
+	}
+
+	void start() override {
+
+		if (started) {return;}
+		started = true;
+
+		auto onSensorData = [&] () {
+			CompassData data(
+				compass.reading()->azimuth(),
+				compass.reading()->calibrationLevel()
+			);
+			informListeners(data);
+		};
+
+		compass.connect(&compass, &QCompass::readingChanged, onSensorData);
+		compass.start();
+
+	}
+
+	bool isRunning() const override {
+		return started;
+	}
+
+	void stop() override {
+		throw "TODO";
+	}
+
+};
+
+#endif
+
+#endif // COMPASSSENSORANDROID_H

sensors/android/GPSSensorAndroid.h

@@ -0,0 +1,74 @@
+#ifndef GPSSENSORANDROID_H
+#define GPSSENSORANDROID_H
+
+#ifdef ANDROID
+
+#include <sstream>
+
+#include "../GPSSensor.h"
+
+#include <QtPositioning>
+
+class GPSSensorAndroid : public GPSSensor {
+
+private:
+
+	QGeoPositionInfoSource* source;
+
+	/** hidden ctor. use singleton */
+	GPSSensorAndroid() {
+
+		source = QGeoPositionInfoSource::createDefaultSource(nullptr);
+		return;
+
+	}
+
+	bool started = false;
+
+public:
+
+	/** singleton access */
+	static GPSSensorAndroid& get() {
+		static GPSSensorAndroid gps;
+		return gps;
+	}
+
+	void start() override {
+
+		if (started) {return;}
+		started = true;
+
+		auto onPositionData = [&] (const QGeoPositionInfo& update) {
+
+			GPSData data(
+				//Timestamp::ms(update.timestamp().toMSecsSinceEpoch()),
+				Timestamp::fromRunningTime(),
+				update.coordinate().latitude(),
+				update.coordinate().longitude(),
+				update.coordinate().altitude()
+			);
+
+			informListeners(data);
+
+		};
+
+		if (source) {
+			source->connect(source, &QGeoPositionInfoSource::positionUpdated, onPositionData);
+			source->startUpdates();
+		}
+
+	}
+
+	bool isRunning() const override {
+		return started;
+	}
+
+	void stop() override {
+		throw "TODO";
+	}
+
+};
+
+#endif // ANDROID
+
+#endif // GPSSENSORANDROID_H

sensors/android/SensorFactoryAndroid.h

@@ -9,6 +9,8 @@
 #include "AccelerometerSensorAndroid.h"
 #include "GyroscopeSensorAndroid.h"
 #include "BarometerSensorAndroid.h"
+#include "CompassSensorAndroid.h"
+#include "GPSSensorAndroid.h"
 
 /**
  * sensor factory that provides real hardware sensors from
@@ -34,6 +36,14 @@ public:
 		return BarometerSensorAndroid::get();
 	}
 
+	CompassSensor& getCompass() override {
+		return CompassSensorAndroid::get();
+	}
+
+	GPSSensor& getGPS() override {
+		return GPSSensorAndroid::get();
+	}
+
 };
 
 #endif