مشكل في انشاء صفحة دخول

[hanan18]

السلام عليكم عندي مشكل ف كود اندرويد

package com.example.tourisme;



import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;


import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.entity.UrlEncodedFormEntity ;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;


import com.example.a1.R;


import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.*******.DialogInterface;
import android.*******.DialogInterface.OnCancelListener;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;



public class MainActivity extends Activity {
private Button connexion1;
private EditText username,password;
public ProgressDialog progressDialog;
public String user,pass;
HttpPost httppost;
StringBuffer buffer;
HttpResponse response;
HttpClient httpclient;
List<NameValuePair> nameValuePairs;
ProgressDialog dialog = null;

private static String url = "http://10.0.0.2/android_connect/check.php";
String result = null;
InputStream is = null;
JSONObject json_data=null;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
set*******View(R.layout.activity_main);
connexion1 = (Button) findViewById(R.id.connexion);
username = (EditText) findViewById(R.id.name);
password = (EditText) findViewById(R.id.pass);


connexion1.setOnClickListener(new View.OnClickListener()
{


public void onClick(View v)
{




String aa="nn";
String aa2="nn";
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://192.168.36.201/android_connect/check.php?username="+aa+"&pass="+aa2+"");

try {

HttpResponse response = httpclient.execute(httppost);
String jsonResult = inputStreamToString(response.getEntity().get****** *()).toString();
JSONObject object = new JSONObject(jsonResult);

String name = object.getString("state");
String verion = object.getString("id");
//textView.setText(name + " - " + verion);
int chk=Integer.parseInt(name);
if(chk==1)
{
showAlert("you are login"+"success login thank you.");

}
else
{showAlert("no login"+"error login please check user name or password ");
}

}
catch (JSONException e) {
Log.e("maconnexion_internet","Erreur de récupération des données",e);
}
catch (ClientProtocolException e) {
Log.e("maconnexion_internet","Erreur de récupération des données",e);
}
catch (IOException e) {
Log.e("maconnexion_internet","Erreur de récupération des données",e);
}






}

});

}



private StringBuilder inputStreamToString(InputStream is) {
String rLine = "";
StringBuilder answer = new StringBuilder();
BufferedReader rd = new BufferedReader(new InputStreamReader(is));

try {
while ((rLine = rd.readLine()) != null) {
answer.append(rLine);
}
}

catch (IOException e) {
e.printStackTrace();
}
return answer;

}






public void showAlert(final String h){
MainActivity.this.runOnUiThread(new Runnable() {
public void run() {
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Login Error.");
builder.setMessage(h)
.setCancelable(false)
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
});
AlertDialog alert = builder.create();
alert.show();
}
});
}

}




require 'conn.php';
//$username='nn';
//$pass='nn';
$query = "SELECT * FROM users";// where user_name='$username' and password='$pass' ";
$final_data = array();
if ($query_run = mysql_query($query))
{
$i=0;
$id ;
while($query_row = mysql_fetch_assoc($query_run))
{
$id =$query_row ['user_id'];
$i++;
}
if( $i==0)
{
$data = array('state' => '0', 'id' => 'Noid');
print (json_encode($data));
}
else {
$data = array('state' => '1', 'id' => ''.$id);
print (json_encode($data));
}

}else{
echo mysql_error();
}




لكن عند الضغط على زر الدخول لا شيء يحدث
هل هذا لديه علاقة باصدار الاندرويد؟؟؟؟


شكرا على مساعدتكم