how to make driving route from my location to any markers

GoogleMap map; ArrayList<LatLng> mMarkerPoints; double mLatitude=0; double mLongitude=0; TextView tvDistanceDuration; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.maps); tvDistanceDuration = (TextView) findViewById(R.id.tv_distance_time); // Getting Google Play availability status int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getBaseContext()); if(status!=ConnectionResult.SUCCESS){ // Google Play Services are not available int requestCode = 10; Dialog dialog = GooglePlayServicesUtil.getErrorDialog(status, this, requestCode); dialog.show(); }else { // Google Play Services are available // Initializing mMarkerPoints = new ArrayList<LatLng>(); // Getting reference to SupportMapFragment of the activity_main SupportMapFragment fm = (SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map); // Getting Map for the SupportMapFragment map = fm.getMap(); // Enable MyLocation Button in the Map map.setMyLocationEnabled(true); // Getting LocationManager object from System Service LOCATION_SERVICE LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE); // Creating a criteria object to retrieve provider Criteria criteria = new Criteria(); // Getting the name of the best provider String provider = locationManager.getBestProvider(criteria, true); // Getting Current Location From GPS Location location = locationManager.getLastKnownLocation(provider); if(location!=null){ onLocationChanged(location); } locationManager.requestLocationUpdates(provider, 20000, 0, this); // Setting onclick event listener for the map map.setOnMapClickListener(new OnMapClickListener() { @Override public void onMapClick(LatLng point) { // Already map contain destination location if(mMarkerPoints.size()>=1){ FragmentManager fm = getSupportFragmentManager(); mMarkerPoints.clear(); map.clear(); LatLng startPoint = new LatLng(mLatitude, mLongitude); // draw the marker at the current position drawMarker(startPoint); } // draws the marker at the currently touched location drawMarker(mMarkerPoints.get(1)); // Checks, whether start and end locations are captured if(mMarkerPoints.size() >= 1){ LatLng origin = mMarkerPoints.get(0); LatLng dest = mMarkerPoints.get(1); // Getting URL to the Google Directions API String url = getDirectionsUrl(origin, dest); DownloadTask downloadTask = new DownloadTask(); // Start downloading json data from Google Directions API downloadTask.execute(url); } } }); } } private String getDirectionsUrl(LatLng origin,LatLng dest){ // Origin of route String str_origin = "origin="+origin.latitude+","+origin.longitude; // Destination of route String str_dest = "destination="+dest.latitude+","+dest.longitude; // Sensor enabled String sensor = "sensor=false"; // Building the parameters to the web service String parameters = str_origin+"&"+str_dest+"&"+sensor; // Output format String output = "json"; // Building the url to the web service String url = "https://maps.googleapis.com/maps/api/directions/"+output+"?"+parameters; return url; } /** A method to download json data from url */ private String downloadUrl(String strUrl) throws IOException{ String data = ""; InputStream iStream = null; HttpURLConnection urlConnection = null; try{ URL url = new URL(strUrl); // Creating an http connection to communicate with url urlConnection = (HttpURLConnection) url.openConnection(); // Connecting to url urlConnection.connect(); // Reading data from url iStream = urlConnection.getInputStream(); BufferedReader br = new BufferedReader(new InputStreamReader(iStream)); StringBuffer sb = new StringBuffer(); String line = ""; while( ( line = br.readLine()) != null){ sb.append(line); } data = sb.toString(); br.close(); }catch(Exception e){ Log.d("Exception while downloading url", e.toString()); }finally{ iStream.close(); urlConnection.disconnect(); } return data; } /** A class to download data from Google Directions URL */ private class DownloadTask extends AsyncTask<String, Void, String>{ // Downloading data in non-ui thread @Override protected String doInBackground(String... url) { // For storing data from web service String data = ""; try{ // Fetching the data from web service data = downloadUrl(url[0]); }catch(Exception e){ Log.d("Background Task",e.toString()); } return data; } // Executes in UI thread, after the execution of // doInBackground() @Override protected void onPostExecute(String result) { super.onPostExecute(result); ParserTask parserTask = new ParserTask(); // Invokes the thread for parsing the JSON data parserTask.execute(result); } } /** A class to parse the Google Directions in JSON format */ private class ParserTask extends AsyncTask<String, Integer, List<List<HashMap<String,String>>> >{ // Parsing the data in non-ui thread @Override protected List<List<HashMap<String, String>>> doInBackground(String... jsonData) { JSONObject jObject; List<List<HashMap<String, String>>> routes = null; try{ jObject = new JSONObject(jsonData[0]); DirectionsJSONParser parser = new DirectionsJSONParser(); // Starts parsing data routes = parser.parse(jObject); }catch(Exception e){ e.printStackTrace(); } return routes; } // Executes in UI thread, after the parsing process @Override protected void onPostExecute(List<List<HashMap<String, String>>> result) { ArrayList<LatLng> points = null; PolylineOptions lineOptions = null; MarkerOptions markerOptions = new MarkerOptions(); String distance = ""; String duration = ""; if(result.size()<1){ Toast.makeText(getBaseContext(), "No Points", Toast.LENGTH_SHORT).show(); return; } // Traversing through all the routes for(int i=0;i<result.size();i++){ points = new ArrayList<LatLng>(); lineOptions = new PolylineOptions(); // Fetching i-th route List<HashMap<String, String>> path = result.get(i); // Fetching all the points in i-th route for(int j=0;j<path.size();j++){ HashMap<String,String> point = path.get(j); if(j==0){ // Get distance from the list distance = (String)point.get("distance"); continue; }else if(j==1){ // Get duration from the list duration = (String)point.get("duration"); continue; } double lat = Double.parseDouble(point.get("lat")); double lng = Double.parseDouble(point.get("lng")); LatLng position = new LatLng(lat, lng); points.add(position); } // Adding all the points in the route to LineOptions lineOptions.addAll(points); lineOptions.width(2); lineOptions.color(Color.RED); } tvDistanceDuration.setText("Distance:"+distance + ", Duration:"+duration); // Drawing polyline in the Google Map for the i-th route map.addPolyline(lineOptions); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } private void drawMarker(LatLng point){ mMarkerPoints.add(point); // Creating MarkerOptions MarkerOptions options = new MarkerOptions(); // Setting the position of the marker options.position(point); /** * For the start location, the color of marker is GREEN and * for the end location, the color of marker is RED. */ map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.381407, 106.855766)) .title("PT. Andalan Sumber Rezeki").snippet("Jln. Ir. H. Juanda, Kp. Bojong RT. 03/06 Kel. Batik Jaya <br/> Kec. Sukma Jaya DEPOK <br/> Phone : 0813 814 77771")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.361964, 106.775808)) .title("PT. Solia Mitra Motor").snippet("Jln. Limo Raya No.5 Cinere Depok <br/> Phone : 0217540506")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.3845335,106.8285415)) .title("Mahkota Depok") .snippet("Jln. Raya Margonda No.209 <br/> Phone : 02177210208")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.111662, 106.911759)) .title("Mahkota Arif Rahman Hakim").snippet("Jln. Arif Rahman Hakim No.78 <br/> phone : 02177202260")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.451293, 106.798896)) .title("PT.Suzuki Citayam").snippet("Jln. Pabuaran Raya No.44-46 Kampung Pintu Air Pabuaran <br/> phone : 02187990951")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.383348, 106.814409)) .title("PT. Singgalang Motor").snippet("Jln. Nusantara Raya Depok <br/> phone : 021 77212827")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.401883, 106.836572)) .title("PT. Galaxy Prima Depok").snippet("Jln. Kemakmuran Raya No.50 <br/> phone : 02177825282")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.3901018,106.8268545)) .title("PT. Suzuki SEM Depok").snippet("Jln. Margonda Raya No.27 <br/> phone : 0217764887")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.391512, 106.851940)) .title("Suzuki DIPA Motor").snippet("<p>" +"Jln. Kejayaan Raya" + "<br/> " + "phone : 021 77831015")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.3901018,106.8268545)) .title("PT. Tugu Gema Motorindo").snippet("Jln. Akses UI No. 25 <br/> phone : (021) 8701111, (021) 8702222")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.3590335,106.8586754)) .title("PT. Restu Mahkota Karya").snippet("Jl. Raya Bogor Km,29 No.18 Cimanggis <br/> phone : 021 87708918")); map.addMarker(new MarkerOptions() .icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)) .anchor(0.0f, 1.0f) // Anchors the marker on the bottom left .position(new LatLng(-6.3779722,106.8650424)) .title("Suzuki Cisalak").snippet("Jalan Raya Bogor KM.31 <br/> phone : 021 8722624")); } @Override public void onLocationChanged(Location location) { // Draw the marker, if destination location is not set if(mMarkerPoints.size() < 2){ mLatitude = location.getLatitude(); mLongitude = location.getLongitude(); LatLng point = new LatLng(mLatitude, mLongitude); map.moveCamera(CameraUpdateFactory.newLatLng(point)); map.animateCamera(CameraUpdateFactory.zoomTo(12)); drawMarker(point); } } @Override public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } @Override public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } }