Récupération des données du serveur dans l'application Android

Bonjour à tous,
j'espère que vous allez bien. Voici l'exposé de mon problème :

1.j'ai une table commande (cid,login,name,price,quantite,created_at,somme)

2.j'ai une listview
Pièce jointe 146635 Pièce jointe 146638

mon problème : lorsque je clique sur l'un des items(login) de la listview je veux afficher les dates de commandes(created_at) de chaque item(login).

Voici mes sources Java et PHP :

Code:

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	package com.example.androidhive;
 
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
 
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
 
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
 
public class voirdate extends ListActivity {
 
 
	String login;
	// Progress Dialog
	private ProgressDialog pDialog;
 
	// Creating JSON Parser object
	JSONParser jParser = new JSONParser();
 
	ArrayList<HashMap<String, String>> productsList;
 
	// url to get all products list
	private static String url_all_products = "http://192.168.1.2/tst/tous_les_dates2.php";
 
	// JSON Node names
	private static final String TAG_SUCCESS = "success";
	private static final String TAG_PRODUCTS = "commande";
 
	private static final String TAG_LOGIN = "login";
 
 
	private static final String TAG_CREATED_AT = "created_at";
 
	// products JSONArray
	JSONArray commande = null;
	//JSONArray client = null;
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.all_products);
 
		// getting product details from intent
				Intent i = getIntent();
 
				// getting product id (pid) from intent
				login = i.getStringExtra(TAG_LOGIN);
 
		// Hashmap for ListView
		productsList = new ArrayList<HashMap<String, String>>();
 
		// Loading products in Background Thread
		new LoadAllProducts().execute();
 
		// Get listview
 
		ListView lv = getListView();
 
		// on seleting single product
		// launching Edit Product Screen
		lv.setOnItemClickListener(new OnItemClickListener() {
 
			public void onItemClick(AdapterView<?> parent, View view,int position, long id)
			{
				// getting values from selected ListItem
 
				String login = ((TextView)view.findViewById(R.id.login)).getText().toString();
 
 
 
 
				//String created_at = ((TextView) view.findViewById(R.id.created_at)).getText()
						//.toString();
			//String login = ((TextView) view.findViewById(R.id.login)).getText().toString();
 
				// Starting new intent
				Intent in = new Intent(getApplicationContext(),
						ModiferproduitActivity.class);
 
				// sending pid to next activity
				//in.putExtra(TAG_CREATED_AT, created_at);
				in.putExtra(TAG_LOGIN, login);
				// starting new activity and expecting some response back
				startActivityForResult(in, 100);
			}
		});
 
	}
 
	// Response from Edit Product Activity
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		// if result code 100
		if (resultCode == 100) {
			// if result code 100 is received 
			// means user edited/deleted product
			// reload this screen again
			Intent intent = getIntent();
			finish();
			startActivity(intent);
		}
 
	}
 
	/**
         * Background Async Task to Load all product by making HTTP Request
         * */
	class LoadAllProducts extends AsyncTask<String, String, String> {
 
		/**
                 * Before starting background thread Show Progress Dialog
                 * */
		@Override
		protected void onPreExecute() {
			super.onPreExecute();
			pDialog = new ProgressDialog(voirdate.this);
			pDialog.setMessage("Chargement . Patientez svp...");
			pDialog.setIndeterminate(false);
			pDialog.setCancelable(false);
			pDialog.show();
		}
 
		/**
                 * getting All products from url
                 * */
		protected String doInBackground(String... args) {
			// Building Parameters
			List<NameValuePair> params = new ArrayList<NameValuePair>();
			params.add(new BasicNameValuePair("login", login));
			// 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
					commande = json.getJSONArray(TAG_PRODUCTS);
					//client = json.getJSONArray(TAG_PRODUCTS);
 
					// looping through All Products
					for (int i = 0; i < commande.length(); i++) 
						//for (int j = 0; j < client.length(); j++) 
						{
						JSONObject c = commande.getJSONObject(i);
						//JSONObject d = client.getJSONObject(j);
 
						// Storing each json item in variable
						//String login = c.getString(TAG_LOGIN);
						//String login = c.getString(TAG_LOGIN);
						String created_at = c.getString(TAG_CREATED_AT);
						// creating new HashMap
						HashMap<String, String> map = new HashMap<String, String>();
 
						// adding each child node to HashMap key => value
						//map.put(TAG_LOGIN, login);
						//map.put(TAG_LOGIN, login);
						map.put(TAG_CREATED_AT, created_at);
						// adding HashList to ArrayList
						productsList.add(map);
					}
				} /*else {
					// no products found
					// Launch Add New product Activity
					Intent i = new Intent(getApplicationContext(),
							AjouterproduitActivity.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();
			// updating UI from Background Thread
			runOnUiThread(new Runnable() {
				public void run() {
					/**
                                         * Updating parsed JSON data into ListView
                                         * */
					ListAdapter adapter = new SimpleAdapter(
							voirdate.this, productsList,
							R.layout.list_item4, new String[] { TAG_LOGIN,
									/*TAG_LOGIN,*/TAG_CREATED_AT},
							new int[] {R.id.login, /* R.id.login,*/R.id.created_at });
					// updating listview
					setListAdapter(adapter);
				}
			});
 
		}
 
	}
}

php :

Code:

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/*
 * Following code will list all the products
 */
 
// array for JSON response
$response = array();
 
if (isset($_GET['lgon'])){
 $login = $_GET['login'];
// include db connect class
require_once'db_connect.php';
 
// connecting to db
$db = new DB_CONNECT();
 
 /*session_start();
 
 $login=$_SESSION['login'];*/
// get all products from products table
$result = mysql_query ("SELECT created_at FROM commande WHERE login = '$login'") or die(mysql_error());
 
// check for empty result
if (mysql_num_rows($result) > 0) {
    // looping through all results
    // products node
    $response["commande"] = array();
 
    while ($row = mysql_fetch_array($result)) {
        // temp user array
        $product = array();
       // $product["login"] = $row["login"]; 
	//$commande["cid"] = $row["cid"];
       //$commande["login"] = $row["login"];
      /*$commande["name"] = $row["name"];
        $commande["price"] = $row["price"];
	$commande["quantite"] = $row["quantite"];*/
 
        $product["created_at"] = $row["created_at"];
        //$commande["somme"] = $row["somme"];
 
 
 
        // push single product into final response array
        array_push($response["commande"], $product);
    }
    // success
    $response["success"] = 1;
 
    // echoing JSON response
    echo json_encode($response);
}}else {
    // no products found
    $response["success"] = 0;
    $response["message"] = "Aucun Produit trouve";
 
    // echo no users JSON
    echo json_encode($response);
}