/**
* removes the car overlay from the mapview.
*
* @return true if successful
* @author ricky barrette
*/
public boolean removeCar() {
mCarPoint = null;
mDistance.setText("0");
mSettings.edit().remove(Settings.LAT).remove(Settings.LON).commit();
mMap.setDestination(null);
if (mListener != null) mListener.onCarDeleted();
if (mDirections != null) {
mDirections.removePath();
mDirections = null;
}
try {
mMap.getMap().getOverlays().remove(mCarOverlay);
} catch (Exception e) {
return false;
}
return true;
}
/**
* Displays the walking directions on the map
*
* @author ricky barrette
*/
private void directions() {
if (Main.isFull) {
/*
* if there is no car marked, then notify user else check to see if
* there is directions
*/
if (mCarPoint == null) {
Toast.makeText(getActivity(), R.string.mark_car_first, Toast.LENGTH_LONG).show();
} else {
/*
* Remove old directions if the exist
*/
if (mDirections != null) mDirections.removePath();
/*
* if there is no location fix then notify user else download
* directions and display them
*/
if (mMap.getUserLocation() == null) {
Toast.makeText(getActivity(), R.string.no_gps_signal, Toast.LENGTH_LONG).show();
} else {
mProgress =
ProgressDialog.show(
getActivity(), getText(R.string.directions), getText(R.string.calculating), true);
new Thread(
new Runnable() {
/**
* Notifys user about the error that occurred outside of the UI thread
*
* @param e
* @author ricky barrette
*/
public void notify(final Exception e) {
e.printStackTrace();
getActivity()
.runOnUiThread(
new Runnable() {
@Override
public void run() {
Toast.makeText(getActivity(), e.getMessage(), Toast.LENGTH_LONG)
.show();
mProgress.dismiss();
}
});
}
@Override
public void run() {
try {
mDirections =
new DirectionsOverlay(
mMap.getMap(), mMap.getUserLocation(), mCarPoint, MapFragment.this);
} catch (IllegalStateException e) {
notify(e);
} catch (ClientProtocolException e) {
notify(e);
} catch (IOException e) {
notify(e);
} catch (JSONException e) {
notify(e);
}
}
})
.start();
}
}
} else Main.featureInFullDialog(getActivity());
}