LatLng fromPosition = new LatLng(23.4555453556,11.145315551);
LatLng toPosition = new LatLng(12.1115145311,99.333455333);

Intent i= new Intent(Maps.this,Routes.class);
        startActivity(i);

请帮帮我.

路线类：

public class Routes extends FragmentActivity {
GoogleMap mMap;
 GMapV2Direction md;
 private String provider;
 double lati;
 double longi;
 String name;
 Location location;

Document doc;
PolylineOptions rectLine;

Bundle bundle = getIntent().getParcelableExtra("bundle");
LatLng fromPosition = bundle.getParcelable("from_position");
LatLng toPosition = bundle.getParcelable("to_position");

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.maps2);

    md = new GMapV2Direction();
    mMap = ((SupportMapFragment)getSupportFragmentManager()
                    .findFragmentById(R.id.map)).getMap();

    LatLng coordinates = fromPosition;      
    mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(coordinates,16));

    mMap.addMarker(new MarkerOptions().position(fromPosition).title("Start"));
    mMap.addMarker(new MarkerOptions().position(toPosition).title("End"));

    new ParseXML().execute();
}

private class ParseXML extends AsyncTask<Void,Void,Document> {         
  @Override
  protected Document doInBackground(Void... params) {
    doc = md.getDocument(fromPosition,toPosition,GMapV2Direction.MODE_DRIVING);
    ArrayList<LatLng> directionPoint = md.getDirection(doc);
    rectLine = new PolylineOptions().width(3).color(Color.RED);

    for (int i = 0; i < directionPoint.size(); i++) {
        rectLine.add(directionPoint.get(i));
    }
    return null;    
  }

   @Override
   protected void onPostExecute(Document result) {
            // TODO Auto-generated method stub
       mMap.addPolyline(rectLine);     
   }  
}
}

这是我的路线课.我不知道这个问题.帮帮我吧它似乎发送捆绑很好,但收到它时出错.