مشکل در عدم نمایش اطلاعات در list view

با سلام

برنامه ای که نوشتم وقتی اجرا میگیرم محتویات را در لیست ویو نمایش نمیده اینم کد هاش:

package com.mobtakerangolpa.app.mysite;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.Arrays;
import android.app.ListActivity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;


public class Main extends ListActivity {

    String[]       id, name, content, commentcount;
    String         tid, tname, tcontent, tcomment;
    private int    page = 1;
    private int    count;
    private String res  = "";


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        new getpost().execute();
    }


    private void makearray(int c) {
        id = new String[c];
        name = new String[c];
        content = new String[c];
        commentcount = new String[c];
        Arrays.fill(name, "");

    }


    public class getpost extends AsyncTask {

        @Override
        protected Object doInBackground(Object... arg0) {
            try {
                String data = URLEncoder.encode("page", "utf8") + "=" + URLEncoder.encode(page + "", "utf8");

                URL link = new URL("http://192.168.1.103:8080/wordpress/app/getpost.php");
                URLConnection connect = link.openConnection();
                //send data
                connect.setDoOutput(true);
                OutputStreamWriter wr = new OutputStreamWriter(connect.getOutputStream());
                wr.write(data);
                wr.flush();

                BufferedReader reader = new BufferedReader(new InputStreamReader(connect.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line = null;
                while ((line = reader.readLine()) != null) {

                    sb.append(line);

                }

                res = sb.toString();
                for (int y = 0; y < 4; y++) {
                    if (res.charAt(y) == '☻') {

                        count = Integer.parseInt(res.substring(0, y));
                        res = res.substring(y + 1);
                        break;

                    }

                }
                makearray(count);
                int f = 0, c = 0;
                for (int i = 0; i < res.length(); i++) {
                    if (res.charAt(i) == '☻') {
                        String temp = res.substring(f, i);
                        if (c == 0) {
                            tid = temp;

                        }
                        if (c == 1) {
                            tname = temp;

                        }
                        if (c == 2) {
                            tcontent = temp;

                        }
                        if (c == 3) {
                            tcomment = temp;

                            for (int t = 0; t < count; t++) {
                                if (name[t].equals("")) {
                                    id[t] = tid;
                                    name[t] = tname;
                                    content[t] = tcontent;
                                    commentcount[t] = tcomment;
                                    break;

                                }

                            }
                            c = -1;

                        }
                        f = i + 1;
                        c += 1;

                    }

                }

            }
            catch (Exception e) {
                res = e.toString();

            }

            return "";
        }


        @Override
        protected void onPostExecute(Object result) {
            super.onPostExecute(result);
            setListAdapter(new IA());
        }

    }


    public class IA extends ArrayAdapter<String> {

        public IA() {
            super(Main.this, R.layout.row_main, name);
        }


        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            LayoutInflater in = getLayoutInflater();
            View row = in.inflate(R.layout.row_main, parent, false);
            TextView titr = (TextView) findViewById(R.id.row_main_titr);
            TextView matn = (TextView) findViewById(R.id.row_main_content);
            TextView extra = (TextView) findViewById(R.id.row_main_extra);
            TextView img = (TextView) findViewById(R.id.row_main_image);
            titr.setText(name[position]);
            titr.setText(content[position]);
            titr.setText("نظرات :" + commentcount[position]);

            return (row);
        }

    }

}