title: Add markers from an arraylist of latlng
body: <pre><code>public class Viewmap extends FragmentActivity implements LocationListener,OnMarkerClickListener {
  
      // Progress Dialog
          private ProgressDialog pDialog;
  
          // Creating JSON Parser object
          JSONParser jParser = new JSONParser();
  
  
  
  
          ArrayList&lt;LatLng&gt; Points;
          // url to get all products list
          private static String url_all_products = "http://192.168.254.107/android_connect/get_all_products.php";
  
          // JSON Node names
          private static final String TAG_SUCCESS = "success";
          private static final String TAG_PRODUCTS = "products";
          private static final String TAG_LAT = "lat";
          private static final String TAG_LNG = "lng";
      GoogleMap googleMap;
  
  
      // products JSONArray
      JSONArray products = null;
  
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_viewmap);
  
       // Hashmap for ListView
  
              Points = new ArrayList&lt;LatLng&gt;();
  
  
  
  
          int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getBaseContext());
          // Getting Google Play availability status
  
          // Showing status
          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
  
               // Getting reference to the SupportMapFragment of activity_main.xml
              SupportMapFragment fm = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
  
              // Getting GoogleMap object from the fragment
              googleMap = fm.getMap();
              googleMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
              // Enabling MyLocation Layer of Google Map
              googleMap.setMyLocationEnabled(true);
              googleMap.animateCamera(CameraUpdateFactory.zoomTo(15), 2000, null);
  
              new LoadAllProducts().execute();
  
  
  
  
  
           // Loading products in Background Thread
  
  
          }
      }
  
  
  
  
  
  
  
      private void DrawMarker(LatLng point){
          String add = "";
          // Creating an instance of MarkerOptions
          MarkerOptions markerOptions = new MarkerOptions();
  
          // Setting latitude and longitude for the marker
          markerOptions.position(point);
  
          Geocoder geocoder = new Geocoder(Viewmap.this,
                  Locale.getDefault());
          try {
              List&lt;Address&gt; addresses = geocoder.getFromLocation(point.latitude,
                      point.longitude, 1);
              add = addresses.get(0).getAddressLine(0) + "," + addresses.get(0).getAddressLine(1) + "," + 
                      addresses.get(0).getAddressLine(2)+","+addresses.get(0).getAddressLine(3);
  
              }
  
          catch (IOException e) 
          {
              // TODO Auto-generated catch block
              e.printStackTrace();
          }
  
              // Adding marker on the Google Map
              googleMap.addMarker(markerOptions
                      .title("Click here to do desired action")
                      .snippet(add));
  
  
      }
  
      /**
       * Background Async Task to Load all product by making HTTP Request
       * */
      class LoadAllProducts extends AsyncTask&lt;String, String, String&gt; {
  
          /**
           * Before starting background thread Show Progress Dialog
           * */
          @Override
          protected void onPreExecute() {
              super.onPreExecute();
              pDialog = new ProgressDialog(Viewmap.this);
              pDialog.setMessage("Loading products. Please wait...");
              pDialog.setIndeterminate(false);
              pDialog.setCancelable(false);
              pDialog.show();
  
  
          }
  
          /**
           * getting All products from url
           * */
          protected String doInBackground(String... args) {
              // Building Parameters
                          List&lt;NameValuePair&gt; params = new ArrayList&lt;NameValuePair&gt;();
                          // getting JSON string from URL
                          JSONObject json = jParser.makeHttpRequest(url_all_products, "GET", params);
  
                          // Check your log cat for JSON reponse
                          Log.d("All Products: ", json.toString());
  
                          try {
                              // Checking for SUCCESS TAG
                              int success = json.getInt(TAG_SUCCESS);
  
                              if (success == 1) {
                                  // products found
                                  // Getting Array of Products
                                  products = json.getJSONArray(TAG_PRODUCTS);
  
                                  // looping through All Products
                                  for (int i = 0; i &lt; products.length(); i++) {
                                      JSONObject c = products.getJSONObject(i);
  
                                      // Storing each json item in variable
                                      String LAT = c.getString(TAG_LAT);
                                      String LNG = c.getString(TAG_LNG);
  
                                      double lat = Double.valueOf(LAT);
                                      double lng = Double.valueOf(LNG);              
  
  
                                      LatLng position = new LatLng(lat, lng);
  
  
  
                                      // adding HashList to ArrayList
                                      Points.add(position);
                                  }
                              } else {
                                  // no products found
                                  // Launch Add New product Activity
                                  Intent i = new Intent(getApplicationContext(),
                                          NewProductActivity.class);
                                  // Closing all previous activities
                                  i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                                  startActivity(i);
                              }
                          } catch (JSONException e) {
                              e.printStackTrace();
                          }
  
                          return null;
                      }
  
                      /**
                       * After completing background task Dismiss the progress dialog
                       * **/
                      protected void onPostExecute(String file_url) {
                          // dismiss the dialog after getting all products
                          pDialog.dismiss();
                          PolylineOptions opt = new PolylineOptions()
                          .addAll(Points)
                          .color(Color.RED);
  
                      // Add the new line. Keep track of the added polylines
                      // in a list.
                      Polyline p = googleMap.addPolyline(opt);
  
  
  
                      }
  
                  }
  
  
  
  
  
  
      @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;
      }
  
  
  
  
      @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
  
      }
  
      @Override
      public void onLocationChanged(Location location) {
           // Setting the zoom level in the map on last position  is clicked
  
  
      }
  
      @Override
      public boolean onMarkerClick(Marker marker) {
  
  
  
  
          return false;
      }
  }
  </code></pre>
  
  <p>After placing all the latitude and longitude from my database to arraylist of LatLng points , i want to draw all the markers stored in the arraylist of LatLng to the OnPostExecute and i cant seem to find any answers. </p>