Fixed it, i removed the Overlays reference from the mapview and it
worked :)
On 28 juin, 16:01, Necroline <adeline.hul...@gmail.com> wrote:
> Hello everyone,
>
> As the title suggest i have (sometimes) a
> concurrentmodificationexception while trying to create a route between
> two locations ...
> Here is my code (and in case you're wondering MyOverlay does not try
> to access the other Overlays in the map)
>
> private class fillRouteTask extends AsyncTask<Void, GeoPoint,
> Void> {
>
> /**
> * create the url to call to get the route
> *
> * @param src
> * @param dest
> * @return
> */
> private StringBuilder createUrl(GeoPoint src, GeoPoint dest) {
> // connect to map web service
> StringBuilder urlString = new StringBuilder();
>
> urlString.append("http://maps.google.com/maps?f=d&hl=en";);
> urlString.append("&saddr=");// from
> urlString.append(Double
> .toString((double)
> src.getLatitudeE6() / 1.0E6));
> urlString.append(",");
> urlString.append(Double
> .toString((double)
> src.getLongitudeE6() / 1.0E6));
> urlString.append("&daddr=");// to
> urlString.append(Double
> .toString((double)
> dest.getLatitudeE6() / 1.0E6));
> urlString.append(",");
> urlString.append(Double
> .toString((double)
> dest.getLongitudeE6() / 1.0E6));
> urlString.append("&ie=UTF8&0&om=0&output=kml");
> Log.d("xxx", "URL=" + urlString.toString());
>
> return urlString;
> }
>
> /**
> * create the connection to google url
> *
> * @param src
> * @param dest
> * @return
> */
> private String connectToUrl(GeoPoint src, GeoPoint dest) {
>
> // get the kml (XML) doc. And parse it to get the
> // coordinates(direction
> // route).
> Document doc = null;
> HttpURLConnection urlConnection = null;
> URL url = null;
> try {
> url = new URL(createUrl(src,
> dest).toString());
> urlConnection = (HttpURLConnection)
> url.openConnection();
> urlConnection.setRequestMethod("GET");
> urlConnection.setDoOutput(true);
> urlConnection.setDoInput(true);
> urlConnection.connect();
>
> DocumentBuilderFactory dbf =
> DocumentBuilderFactory
> .newInstance();
> DocumentBuilder db = dbf.newDocumentBuilder();
> doc =
> db.parse(urlConnection.getInputStream());
>
> if
> (doc.getElementsByTagName("GeometryCollection") != null
> &&
> doc.getElementsByTagName("GeometryCollection")
> .getLength()
> > 0) {
> return
> doc.getElementsByTagName("GeometryCollection").item(
>
> 0).getFirstChild().getFirstChild().getFirstChild()
> .getNodeValue();
> }
>
> } catch (MalformedURLException e) {
> Log.d("test", e.getLocalizedMessage());
> } catch (IOException e) {
> Log.d("test", e.getLocalizedMessage());
> } catch (ParserConfigurationException e) {
> Log.d("test", e.getLocalizedMessage());
> } catch (SAXException e) {
> Log.d("test", e.getLocalizedMessage());
> }
> return null;
> }
>
> protected Void doInBackground(Void... arg0) {
> try {
> // get the current overlays present in the map
> List<Overlay> overs =
> Collections.synchronizedList(mapView
> .getOverlays());
> String path = connectToUrl(orig, dest);
> if (path != null) {
> Log.d("xxx", "path=" + path);
> String[] pairs = path.split(" ");
> String[] lngLat = pairs[0].split(",");
>
> GeoPoint startGP = new GeoPoint((int)
> (Double
>
> .parseDouble(lngLat[1]) * 1E6), (int) (Double
>
> .parseDouble(lngLat[0]) * 1E6));
>
> overs.add(new MyOverlay(startGP,
> startGP, 1));
> GeoPoint gp1;
> GeoPoint gp2 = startGP;
> for (int i = 1; i < pairs.length;
> i++) // the last one would
> // be
> // crash
> {
> lngLat = pairs[i].split(",");
> gp1 = gp2;
> // watch out! For GeoPoint,
> first:latitude,
> // second:longitude
> gp2 = new GeoPoint(
> (int)
> (Double.parseDouble(lngLat[1]) * 1E6),
> (int)
> (Double.parseDouble(lngLat[0]) * 1E6));
> Log.d("xxx", "pair:" +
> pairs[i]);
> publishProgress(gp1, gp2);
> }
> overs.add(new MyOverlay(dest, dest,
> 3)); // use
> // the
> // default
> // color
> drawn = false;
> } else {
> m_handler.post(new Runnable() {
>
> public void run() {
>
> Toast.makeText(getApplicationContext(),
>
> "Problem in getting the directions",
>
> Toast.LENGTH_SHORT).show();
> }
> });
> }
> } catch (Exception e) {
> m_handler.post(new Runnable() {
>
> public void run() {
>
> Toast.makeText(getApplicationContext(),
>
> R.string.errorrouteLoad, Toast.LENGTH_LONG)
> .show();
> }
> });
> }
> return null;
>
> }
>
> /*
> * (non-Javadoc)
> *
> * @see android.os.AsyncTask#onProgressUpdate(Progress[])
> */
> @Override
> protected void onProgressUpdate(GeoPoint... values) {
> // TODO Auto-generated method stub
> List<Overlay> overs =
> Collections.synchronizedList(mapView
> .getOverlays());
> overs.add(new MyOverlay(values[0], values[1], 2,
> 0x0000ff));
>
> }
>
> /*
> * (non-Javadoc)
> *
> * @see android.os.AsyncTask#onPostExecute(java.lang.Object)
> */
> @Override
> protected void onPostExecute(Void result) {
> // TODO Auto-generated method stub
> Log.d("routing", "done");
> mapView.postInvalidate();
> }
> }
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