private GoogleMap mMap;
List<Position> positionsList = new ArrayList<>();
ProgressDialog progressDialog;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_maps);
    // Obtain the SupportMapFragment and get notified when the map is ready to be used.
    SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
            .findFragmentById(R.id.map);
    mapFragment.getMapAsync(this);

    //delete if static
    PositionsTask positionsTask = new PositionsTask();
    positionsTask.execute();
    // end delete

    // positionsList.add(new Position("beb souika",1,1));
}


/**
 * Manipulates the map once available.
 * This callback is triggered when the map is ready to be used.
 * This is where we can add markers or lines, add listeners or move the camera. In this case,
 * we just add a marker near Sydney, Australia.
 * If Google Play services is not installed on the device, the user will be prompted to install
 * it inside the SupportMapFragment. This method will only be triggered once the user has
 * installed Google Play services and returned to the app.
 */
@Override
public void onMapReady(GoogleMap googleMap) {
    mMap = googleMap;
    LatLng TUNIS = new LatLng(36.818248, 10.182416);

    for(Position pos: positionsList){
        LatLng latLng = new LatLng(pos.getLatitude(),pos.getLongitude());
        if(mMap!=null){
            mMap.addMarker(new MarkerOptions().position(latLng).title(pos.getName()));
        }
    }
    mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(TUNIS,11));
}

private class PositionsTask extends AsyncTask<Void, Void, Void> {


    private static final String TAG_ID = "id";
    private static final String TAG_NAME = "name";
    private static final String TAG_LATITUDE = "latitude";
    private static final String TAG_lONGITUDE = "longitude";


    @Override
    protected  void onPreExecute(){
        progressDialog = new ProgressDialog(MapsActivity.this);
        progressDialog.setMessage("Chargement en cours ...");
        progressDialog.show();
    }
    @Override
    protected Void doInBackground(Void... params) {

        String link;
        BufferedReader bufferedReader;
        String result="[]";

        try {


            link = "http://192.168.8.105/map1.php";
            URL url = new URL(link);
            HttpURLConnection con = (HttpURLConnection) url.openConnection();

            bufferedReader = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String line = null;
            StringBuilder sb = new StringBuilder() ;
            while ((line = bufferedReader.readLine()) != null)
            {
                sb.append(line + "n");
            }
            result = sb.toString();


        } catch (Exception e) {
            Log.e("Exception: ",e.getMessage());
        }
        positionsList = getPositionList(result);

        return null;
    }

    @Override
    protected void onPostExecute(Void params) {
        progressDialog.dismiss();
    }

    @Override
    protected void onCancelled() {
        progressDialog.dismiss();
    }

    protected List getPositionList(String myJSON){
        List<Position> positions = new ArrayList<>();
        try {
            JSONArray data = new JSONArray(myJSON);

            for(int i=0;i<data.length();i++){
                Position position = new Position();
                JSONObject json = data.getJSONObject(i);
                position.setId(json.getInt(TAG_ID));
                position.setName(json.getString(TAG_NAME));
                position.setLatitude(json.getDouble(TAG_LATITUDE));
                position.setLongitude(json.getDouble(TAG_lONGITUDE));

                positions.add(position);
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }
        return positions;
    }
}