Bonjour,

Débutant en Java, je réalise une application Android qui relève de l'intranet de mon école.

Seulement voilà, je n'arrive pas à récupérer la réponse du serveur, mon getResponseCode() crash dans tous les sens, incapable de l'afficher/récupérer.

Mon code, MainActivity.java
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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package com.example.epiandroid;
 
import java.io.IOException;
 
import com.controlleur.ManageInput;
 
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
 
public class MainActivity extends ActionBarActivity {
    Button myButton;
    int    isCorrect;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        System.out.println("MDR");
        myButton = (Button) this.findViewById(R.id.button1);
        myButton.setOnClickListener(new OnClickListener() {
 
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                ManageInput manager = new ManageInput();
 
                String login = ((EditText)findViewById(R.id.loginInput)).getText().toString();
                String password = ((EditText)findViewById(R.id.passwordInput)).getText().toString();
 
                try {
                    if ((isCorrect = manager.checkInput(login, password)) == 200)
                        myButton.setText("good");
                    else
                        myButton.setText("fail");
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
 
            }
        });
    }
 
    @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 boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}
ManageInput.java
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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package com.controlleur;
 
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
 
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.DeserializationConfig;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
 
import android.os.AsyncTask;
 
import com.modele.User;
 
public class ManageInput {
    public String Login;
    public String Password;
    User user = new User();
 
    public int checkInput(String login, String password) throws IOException {
        URL myUrl = new URL("http://epitech-api.herokuapp.com/login?login="
                                    + login + "&password=" + password);
        HttpURLConnection conn = (HttpURLConnection) myUrl.openConnection();
 
        user.setLogin(login);
        user.setPassword(password);
 
        int responseCode = conn.getResponseCode();
                ---> Segfault : System.out.println(responseCode);
        return 0;
    }
 
    /*public void retrieveToken() throws JsonParseException, JsonMappingException, IOException
    {
        ObjectMapper mapper = new ObjectMapper();
        User user = new User();
        URL myUrl = new URL("http://epitech-api.herokuapp.com/login?login=" 
                + user.getLogin() + "&password=" + user.getPassword());
 
        mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
        user = mapper.readValue(myUrl, User.class);
    }*/
}
Beaucoup de commentaires pour beaucoup de tests. Mais introuvable.

Voici maintenant les erreurs :
01-26 14:31:11.900: E/AndroidRuntime(15337): FATAL EXCEPTION: main
01-26 14:31:11.900: E/AndroidRuntime(15337): android.os.NetworkOnMainThreadException
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
01-26 14:31:11.900: E/AndroidRuntime(15337): at java.net.InetAddress.lookupHostByName(InetAddress.java:391)
01-26 14:31:11.900: E/AndroidRuntime(15337): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242)
01-26 14:31:11.900: E/AndroidRuntime(15337): at java.net.InetAddress.getAllByName(InetAddress.java:220)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:71)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpEngine.connect(HttpEngine.java:303)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:273)
01-26 14:31:11.900: E/AndroidRuntime(15337): at libcore.net.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:479)
01-26 14:31:11.900: E/AndroidRuntime(15337): at com.controlleur.ManageInput.checkInput(ManageInput.java:30)
01-26 14:31:11.900: E/AndroidRuntime(15337): at com.example.epiandroid.MainActivity$1.onClick(MainActivity.java:36)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.view.View.performClick(View.java:3644)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.view.View$PerformClick.run(View.java:14313)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.os.Handler.handleCallback(Handler.java:605)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.os.Handler.dispatchMessage(Handler.java:92)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.os.Looper.loop(Looper.java:137)
01-26 14:31:11.900: E/AndroidRuntime(15337): at android.app.ActivityThread.main(ActivityThread.java:4517)
01-26 14:31:11.900: E/AndroidRuntime(15337): at java.lang.reflect.Method.invokeNative(Native Method)
01-26 14:31:11.900: E/AndroidRuntime(15337): at java.lang.reflect.Method.invoke(Method.java:511)
01-26 14:31:11.900: E/AndroidRuntime(15337): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:993)
Quelqu'un saurait-il m'indiquer comment corriger ce problème ?

Merci d'avance pour votre aide.