public boolean getHasCompass() {
boolean compass = false;
SensorManager sensorManager = TiSensorHelper.getSensorManager();
if (sensorManager != null) {
compass = sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION) != null;
} else {
compass =
TiSensorHelper.hasDefaultSensor(geolocationModule.getActivity(), Sensor.TYPE_ORIENTATION);
}
return compass;
}
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ORIENTATION) {
long eventTimestamp = event.timestamp / 1000000;
if (eventTimestamp - lastEventInUpdate > 250) {
long actualTimestamp = baseTime.getTimeInMillis() + (eventTimestamp - sensorTimerStart);
lastEventInUpdate = eventTimestamp;
Object filter = geolocationModule.getProperty(TiC.PROPERTY_HEADING_FILTER);
if (filter != null) {
float headingFilter = TiConvert.toFloat(filter);
if (Math.abs(event.values[0] - lastHeading) < headingFilter) {
return;
}
lastHeading = event.values[0];
}
geolocationModule.fireEvent(TiC.EVENT_HEADING, eventToHashMap(event, actualTimestamp));
}
}
}
