Bonjour. Dans mon mainactivity, je souhaite récuper is qui est dans the task. Ma méthode ne fonctionne pas. Pouvez-vous m'aider svp?
MainActivity:
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package com.example.basedonnees;


import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

//import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.net.ParseException;
import android.os.Bundle;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.Toast;


public class MainActivity extends ListActivity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //setContentView(R.layout.main);
        String result = null;
        String probleme= null;
     InputStream is = null;
     JSONObject json_data=null;
     //ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
     ArrayList<String> donnees = new ArrayList<String>();

     try{
    	 
 
     //commandes httpClient

        TheTask task= new TheTask();
        
        task.execute("http://192.168.15.117/ecoles/projet.php");
        
        is=task.is;
        Log.i("is=","" +is);
        
        probleme=task.entityStr;
        Log.i("entityStr=",""+probleme);
        
        //HttpClient httpclient = new DefaultHttpClient();
        /*HttpPost httppost = new HttpPost("http://127.0.0.1/ecoles/projet.php");
        Log.i("connect base","coucou");
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
        Log.i("connect base","coucou1");
        HttpResponse response = httpclient.execute(httppost);
        Log.i("connect base","coucou2");
        HttpEntity entity = response.getEntity();
        is = entity.getContent();*/
        
        
     }
     catch(Exception e){
    	 	Log.i("taghttppost",""+e.toString());
    	 	
    	 	
            Toast.makeText(getBaseContext(),e.toString() ,Toast.LENGTH_LONG).show();
       }
    
       
     //conversion de la réponse en chaine de caractère
        try
        {
        	Log.i("connect base","coucou");
        	Log.i("is=",""+is);
        	Log.i("ok=","ok");
         BufferedReader reader = new BufferedReader(new InputStreamReader(is,"UTF-8"));
         Log.i("connect base","coucou1");
         
         StringBuilder sb  = new StringBuilder();
         
         String line = null;
         
         while ((line = reader.readLine()) != null) 
         {
         sb.append(line + "\n");
         }
         
         is.close();
         
         result = sb.toString();

        }
        catch(Exception e)
        {
         Log.e("tagconvertstr",""+e.toString());
        }
        //recuperation des donnees json
        try{
          JSONArray jArray = new JSONArray(result);
            
             for(int i=0;i<jArray.length();i++)
             {
            
                   json_data = jArray.getJSONObject(i);
                   donnees.add(json_data.getString("nom"));
                   //r.add(json_data.getString("categorie"));
                   
               }
                setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1, donnees));
            }
            catch(JSONException e){
             Log.e("tagjsonexp",""+e.toString());
            } catch (ParseException e) {
             Log.e("tagjsonpars",""+e.toString());
       }
            
    }
}
Et TheTask:
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package com.example.basedonnees;
 
import java.io.InputStream;
import java.util.ArrayList;
 
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
 
import android.os.AsyncTask;
import android.util.Log;
import android.widget.TextView;
 
public class TheTask extends AsyncTask<String,String,String>
    {
	private TextView textView;
	public InputStream is;
	public String entityStr;
 
 
protected void onPostExecute(String result) {
    // TODO Auto-generated method stub
    super.onPostExecute(result);
    // update textview here
    textView.setText("Server message is "+result);
}
 
@Override
protected void onPreExecute() {
    // TODO Auto-generated method stub
    super.onPreExecute();
}
 
public InputStream Avoiris() {
	Log.i("Avoiris=",""+is);
    return is;
}
@Override
protected String doInBackground(String... params) {
	ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
     try
        {
            HttpClient httpclient = new DefaultHttpClient();
            HttpPost method = new HttpPost(params[0]);
            Log.i("method=",""+method);
            method.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            HttpResponse response = httpclient.execute(method);
            HttpEntity entity = response.getEntity();
 
            if(entity != null){
            	Log.i("entity=","" +entity);
            	Log.i("message1=","coucou");
            	entityStr=EntityUtils.toString(entity);
                Log.i("message2=","coucou");
                Log.i("entityString=","" +entityStr);
 
            	HttpClient httpclient2 = new DefaultHttpClient();
            	HttpPost method2 = new HttpPost(params[0]);
                Log.i("method=",""+method2);
                method2.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                HttpResponse response2 = httpclient2.execute(method2);
                HttpEntity entity2 = response2.getEntity();
 
                Log.i("entity2=","" +entity2);
            	is = entity2.getContent();
            	Log.i("is=",""+is);
                return entityStr;
            }
            else{
            	Log.i("entity=","" +entity);
                entityStr="No string.";
                return entityStr;
            }
         }
         catch(Exception e){
        	 Log.i("entity=",e.toString());
             entityStr="Network problem";
             return entityStr;
         }
 
 
}
}