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Android - AsyncTask

jasmine jas - Modifié par BunoCS le 6/06/2016 à 15:12
BunoCS Messages postés 15476 Date d'inscription lundi 11 juillet 2005 Statut Modérateur Dernière intervention 3 mai 2024 - 6 juin 2016 à 15:12
Bonjour,
alors se que j’essaye de réaliser est de choisir une données dans le spinner et l’envoyer a la base dans le serveur voici mon code pour mieux comprendre ,

se code m'affiche les données mais de l'envoyer a la base s marche pas 




import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends Activity
{

   private ProgressDialog pDialog ;
   JSONParser jsonParser = new JSONParser();
    EditText inputid;
    Spinner inputnom;
    EditText inputprix;
    EditText inputdesc;
    Button btnCreateProduct;
    InputStream is=null;
    String result=null;
    String line=null;
    String[] client , codclient ,prod ,codprd;
    String[] codeclient,nomclient;
    Spinner spinner1,spinner2,spinner3,spinner4;
    EditText code ;
    Button choisirProduit ;
    //private static String url_posteproduct = "http://192.168.1.16/createPRODUCT2.php";
    //private static final String TAG_SUCCESS = "success";
    //*************



    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btnCreateProduct = (Button) findViewById(R.id.ajouter);

        btnCreateProduct.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
           //  new CreateNewProduct().execute();
                  }
        });


       inputnom = (Spinner) findViewById(R.id.spinner1);
       // inputid = (EditText)  findViewById(R.id.btnid);



                final List<String> list1 = new ArrayList<String>();


                // TODO Auto-generated method stub

                try
                {
                    HttpClient httpclient = new DefaultHttpClient();
                    HttpPost httppost = new HttpPost("http://192.168.1.16/VILLEE.php");
                    HttpResponse response = httpclient.execute(httppost);
                    Log.e("Fail 1", "3");

                    HttpEntity entity = response.getEntity();
                    Log.e("Fail 1", "4");

                    is = entity.getContent();
                    Log.e("Pass 1", "connection success ");
                }
                catch(Exception e)
                {
                    Log.e("Fail 1", e.toString());
                    Toast.makeText(getApplicationContext(), "Invalid IP Address",Toast.LENGTH_LONG).show();
                    finish();
                }

                try
                {
                    BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
                    StringBuilder sb = new StringBuilder();
                    while ((line = reader.readLine()) != null)
                    {
                        sb.append(line + "\n");
                    }
                    is.close();
                    result = sb.toString();
                }
                catch(Exception e)
                {
                    Log.e("Fail 2", e.toString());
                }


                try
                {
                    JSONArray JA=new JSONArray(result);
                    JSONObject json= null;
                    client = new String[JA.length()];
                    codclient = new String[JA.length()];

                    for(int i=0;i<JA.length();i++)
                    {
                        json=JA.getJSONObject(i);
                        client[i] = json.getString("D_VILLE");



                    }

                    Toast.makeText(getApplicationContext(), "sss", Toast.LENGTH_LONG).show();

                    for(int i=0;i< client.length;i++)
                    {
                        list1.add(client[i]);

                    }

                    spinner_fn();

                }
                catch(Exception e)
                {

                    Log.e("Fail 3", e.toString());
//login.this.finish();

                }
            }



            private void spinner_fn() {
                // TODO Auto-generated method stub

                ArrayAdapter<String> dataAdapter1 = new ArrayAdapter<String>(getApplicationContext(),
                        android.R.layout.simple_spinner_item, client);
                dataAdapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                spinner1.setAdapter(dataAdapter1);
                spinner1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()

                {
                    @Override
                    public void onItemSelected(AdapterView<?> arg0, View arg1,int position, long id)
                    {}

                    @Override
                    public void onNothingSelected(AdapterView<?> arg0){}


                });            }





   class CreateNewProduct extends AsyncTask<String, String, String> {
    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        pDialog = new ProgressDialog(MainActivity.this);
        pDialog.setMessage("patientez svp..");


        pDialog.setIndeterminate(false);
        pDialog.setCancelable(true);
        pDialog.show();
    }

    protected String doInBackground(String... args) {


        String nom = inputnom.getSelectedItem().toString();


        //
        List<NameValuePair> params = new ArrayList<NameValuePair>();


        params.add(new BasicNameValuePair("NAME", nom));


        //
        //
        JSONObject json = jsonParser.makeHttpRequest(url_posteproduct, "POST", params);


        //
        Log.d("Create Response", json.toString());

        try {
            int success = json.getInt(TAG_SUCCESS);

            if (success == 1) {
                // succes created product
                Intent i = new Intent(getApplicationContext(), Afficher_listCL.class);
                startActivity(i);


                finish();
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return null;
    }


    protected void onPostExecute(String file_url) {

        pDialog.dismiss();
    }
}






            @Override
            public boolean onCreateOptionsMenu(Menu menu) {
                getMenuInflater().inflate(R.menu.menu_main, menu);
                return true;

            }

        }


dés que je clic sur le button pour envyer la données choisi , j'aurai les erreur suivante 
06-06 12:52:49.755      904-904/riro15.exemple_web_service E/Fail 1﹕ 3
06-06 12:52:49.755      904-904/riro15.exemple_web_service E/Fail 1﹕ 4
06-06 12:52:49.775      904-904/riro15.exemple_web_service E/Pass 1﹕ connection success
06-06 12:52:58.626      904-916/riro15.exemple_web_service E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1
    java.lang.RuntimeException: An error occured while executing doInBackground()
            at android.os.AsyncTask$3.done(AsyncTask.java:200)
            at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
            at java.util.concurrent.FutureTask.setException(FutureTask.java:125)
            at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
            at java.util.concurrent.FutureTask.run(FutureTask.java:138)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
            at java.lang.Thread.run(Thread.java:1019)
     Caused by: java.lang.NullPointerException
            at riro15.exemple_web_service.petitessai$CreateNew.doInBackground(petitessai.java:197)
            at riro15.exemple_web_service.petitessai$CreateNew.doInBackground(petitessai.java:183)
            at android.os.AsyncTask$2.call(AsyncTask.java:185)
            at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
            at java.util.concurrent.FutureTask.run(FutureTask.java:138)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
            at java.lang.Thread.run(Thread.java:1019)
06-06 12:53:02.455      904-904/riro15.exemple_web_service E/WindowManager﹕ Activity riro15.exemple_web_service.petitessai has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40573668 that was originally added here
    android.view.WindowLeaked: Activity riro15.exemple_web_service.petitessai has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40573668 that was originally added here
            at android.view.ViewRoot.<init>(ViewRoot.java:258)
            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
            at android.view.Window$LocalWindowManager.addView(Window.java:424)
            at android.app.Dialog.show(Dialog.java:241)
            at riro15.exemple_web_service.petitessai$CreateNew.onPreExecute(petitessai.java:191)
            at android.os.AsyncTask.execute(AsyncTask.java:391)
            at riro15.exemple_web_service.petitessai$1.onClick(petitessai.java:75)
            at android.view.View.performClick(View.java:2485)
            at android.view.View$PerformClick.run(View.java:9080)
            at android.os.Handler.handleCallback(Handler.java:587)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:123)
            at android.app.ActivityThread.main(ActivityThread.java:3683)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:507)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
            at dalvik.system.NativeStart.main(Native Method)


svp c urgent aidez moi svp

1 réponse

Réponse 1 / 1
BunoCS Messages postés 15476 Date d'inscription lundi 11 juillet 2005 Statut Modérateur Dernière intervention 3 mai 2024 103
6 juin 2016 à 15:12
Hello,

As-tu essayé en mode debug pas-à-pas pour voir ce qu'il se passe?
Tu ne passes pas de paramètres à ton AsyncTask...or, d'après la signature, tu devrais lui passer des Strings.

https://developer.android.com/reference/android/os/AsyncTask.html
0

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