how to fetch contact number in android?

I am trying to fetch contact number in my application but it is showing only id and display name can anyone correct it. I dont kno how to fetch the contact numbers. I am only trying to fetch the contact numbers not to add the contact numbers.

package com.data;



import android.app.Activity;

import android.content.Intent;

import android.database.Cursor;

import android.net.Uri;

import android.os.Bundle;

import android.provider.ContactsContract;

import android.util.Log;

import android.view.View;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.ListView;

import android.widget.SimpleCursorAdapter;



public final class ContactManager extends Activity

{



public static final String TAG = "ContactManager";



private Button mAddAccountButton;

private ListView mContactList;

private boolean mShowInvisible;

private CheckBox mShowInvisibleControl;



/**

 * Called when the activity is first created. Responsible for initializing the UI.

 */

@Override

public void onCreate(Bundle savedInstanceState)

{

    Log.v(TAG, "Activity State: onCreate()");

    super.onCreate(savedInstanceState);

    setContentView(R.layout.contact_manager);



    // Obtain handles to UI objects

//    mAddAccountButton = (Button) findViewById(R.id.addContactButton);

    mContactList = (ListView) findViewById(R.id.contactList);

    mShowInvisibleControl = (CheckBox) findViewById(R.id.showInvisible);



    // Initialize class properties

    mShowInvisible = false;

    mShowInvisibleControl.setChecked(mShowInvisible);



    // Register handler for UI elements



    mShowInvisibleControl.setOnCheckedChangeListener(new OnCheckedChangeListener() {

        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

            Log.d(TAG, "mShowInvisibleControl changed: " + isChecked);

            mShowInvisible = isChecked;

            populateContactList();

        }

    });



    // Populate the contact list

    populateContactList();

}







private void populateContactList() {



    Cursor cursor = getContacts();

   String[] pno=new String[cursor.getCount()];

      if(cursor.getCount()>0)

      {

        int i=0;

        if(cursor.moveToFirst())

        {

            do

            {

        pno[i++]=(String)cursor.getString(0).toString() +"  "+       (String)cursor.getString(1);



            }while(cursor.moveToNext());

        }



    }



    ArrayAdapter<String> adapter=new ArrayAdapter<String>(ContactManager.this,android.R.layout.simple_list_item_1,pno);

    mContactList.setAdapter(adapter);





}





private Cursor getContacts()

{

    // Run query

    Uri uri = ContactsContract.Contacts.CONTENT_URI;

    String[] projection = new String[] {

            ContactsContract.Contacts._ID,

            ContactsContract.Contacts.DISPLAY_NAME,

    };

    String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '" +

            (mShowInvisible ? "0" : "1") + "'";

    String[] selectionArgs = null;

    String sortOrder = ContactsContract.Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC";



    return managedQuery(uri, projection, selection, selectionArgs, sortOrder);

}

}