private void teardownLinedrawing() {
mapController.getMap().events.unbind(mapListener);
if (activeTask != null) {
activeTask.cancel(true);
}
mapController.clearLines();
mapFragment.updateMap();
}
@Override
public void onMapEvent(final Event e, MapPosition mapPosition) {
if (activeTask != null) {
activeTask.cancel(true);
}
activeTask = new DrawPathTask(app);
activeTask.execute(route.getGeometry());
}