added gps support

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

yasmin.pro

@@ -9,6 +9,7 @@ QT += qml opengl svg
 ANDROID {
     QT += androidextras
     QT += sensors
+    QT += positioning
 
     #http://stackoverflow.com/questions/28391685/opencv-with-hard-float-support-for-android#28393545
     # wasn't faster... and seems dangerous :P
@@ -78,7 +79,8 @@ SOURCES += \
     ui/debug/InfoWidget.cpp \
     ui/map/3D/MapView3D.cpp \
     ui/map/2D/MapView2D.cpp \
-    tools/calibration/WiFiCalibrationScanDialog.cpp
+    tools/calibration/WiFiCalibrationScanDialog.cpp \
+    ui/debug/PlotGPS.cpp
 
 RESOURCES += qml.qrc
 
@@ -183,7 +185,15 @@ HEADERS += \
     ipin/IPINHelper.h \
     nav/NavControllerListener.h \
     ipin/StepLoggerWrapper.h \
-    ipin/StepLoggerWrapperAndroid.h
+    ipin/StepLoggerWrapperAndroid.h \
+    sensors/GPSSensor.h \
+    sensors/android/GPSSensorAndroid.h \
+    sensors/CompassSensor.h \
+    sensors/android/CompassSensorAndroid.h \
+    sensors/dummy/CompassSensorDummy.h \
+    sensors/dummy/GPSSensorDummy.h \
+    ui/debug/PlotGPS.h \
+    sensors/SensorWriter.h
 
 DISTFILES += \
     android-sources/src/MyActivity.java \