problem comparing 2 arraylist values in android

[pourush rohila]

i am creating an android application in which i want to access database from mysql for user name, phone no and email address. and i want to compare phone no from android phone contact list and the phone no getting from mysql database. for that purpose i use 2 arraylist 1st for phone contact and 2nd for mysql phone no. my main problem is when i compare both the arraylist then i shows no result. i attach here the code please someone help me to solve this problem.

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
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.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONObject;

import android.app.Activity;
impot android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.os.StrictMode;
import android.provider.ContactsContract;
import android.util.Log;
import android.widget.ListView;

 public class PhoneNoActivity extends Activity{


JSONArray jArray,jArray1;
JSONObject jobj;
String result = null,phone=null;
InputStream is = null;
StringBuilder sb=null;
double lat=0;
double lon=0;
String user=null;
ArrayList<NameValuePair> nameValuePairs;

ListView lv;

@Override
protected void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    if (android.os.Build.VERSION.SDK_INT > 9) {
        StrictMode.ThreadPolicy policy = 
                new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);
        }


    String phno=null;
    ArrayList<String> cntPhone=new ArrayList<String>();
    ContentResolver cr = getContentResolver();
    Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
    if (cur.getCount() > 0) {
        while (cur.moveToNext()) {
            String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
            String name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
            if (Integer.parseInt(cur.getString(
                    cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                 Cursor pCur = cr.query(
                         ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
                         null, 
                         ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?", 
                         new String[]{id}, null);
                 while (pCur.moveToNext()) {
                     String phoneNo = pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                     if(phoneNo.length()>10)
                     {
                     phno=phoneNo.subSequence(phoneNo.length()-10, phoneNo.length()).toString();
                    // Log.e(name, phno);
                     }

                     cntPhone.add(phoneNo);

                 } 

            pCur.close();
        }
        }
    }

    ArrayList<String> cntOnline=new ArrayList<String>();
    try
    {
        nameValuePairs = new ArrayList<NameValuePair>();

        /*String phone=null;
        for(int k=0;k<=cntPhone.size();k++)
        {
            Log.e("k",k+"");
            phone=cntPhone.get(k);
            nameValuePairs.add(new BasicNameValuePair("phone", phone));
        */
         HttpClient httpclient = new DefaultHttpClient();
         HttpPost httppost = new HttpPost("http://10.0.2.2/ah_login_api/select.php");
         httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
         HttpResponse response = httpclient.execute(httppost);
         HttpEntity entity = response.getEntity();
         is = entity.getContent();

         BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
           sb = new StringBuilder();
           sb.append(reader.readLine() + "\n");

           String line="0";
           while ((line = reader.readLine()) != null) {
                          sb.append(line + "\n");
            }
            is.close();
            result=sb.toString();

            Log.e("result=", result);
            jArray = new JSONArray(result);
            JSONObject json_data=null;
            for(int i=0;i<jArray.length();i++){
                   json_data = jArray.getJSONObject(i);
                   user=json_data.getString("user");
                   phone=json_data.getString("phone");
                   lat=json_data.getDouble("email");

                   cntOnline.add(phone);


            }
            for(String s:cntOnline)
            {
                for(String s1:cntPhone )
                {
                    if(s.equals(s1))
                    {
                        Log.e("match found", phone);
                    }
                }

            }
            /*
            for(int l=0;l<cntOnline.size();l++)
            {
                Log.e("loop start", ""+l);
           for(int k=0;k<cntPhone.size();k++)
               {

                   if(cntPhone.get(k).trim().equals(cntOnline.get(l).trim()))
                   {
                       Log.e("match found", phone);
                   }
               }       

               }*/

        //}
    }
    catch(Exception ex)
    {
        Log.e("Exception  in ",ex.toString());
    }



}



}

and this is my php code from which i access details

 <?php
 mysql_connect("localhost","root","");
 mysql_select_db("MyContact");
 $sql=mysql_query("select * from newuser");
 while($row=mysql_fetch_assoc($sql))
 $output[]=$row;
 print(json_encode($output));
 mysql_close();
 ?>

[Steve Luke]

Log all the values from both locations and see that they should match.

Then log what happens in each comparison: which value is being compared to which value.

When you see two things that should be equal and aren't then there is a problem that needs to be addressed. But right now we have no idea if there are no entries in one or the other list, or if they are in a different format, etc... So you need to see exactly what is being compared to narrow the problem down.

[aristocrat aristo]

hi , pourush rohila   have you got this message in your logcat     "tag manager is not found and thus will not be used."
instead of this

just check that reponse in Textview by setting setText  instead of  Log Manager.
simply like text.setText(phone); instead of    Log.e("match found", phone);