Android อยากได้วิธีดึง ฐานข้อมูล ลงบนเครื่องใช้งานจริงครับ

package com.example.admin.myapplication;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.w3c.dom.Text;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if(android.os.Build.VERSION.SDK_INT>=16){
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        final ListView lisView1 = (ListView)findViewById(R.id.listView1);

        String url = "http://10.0.2.2/condb.php";

        try{
            JSONArray data = new JSONArray(getJSONUrl(url));
            final ArrayList<HashMap<String, String>> MyArrList = new ArrayList<HashMap<String, String>>();
            HashMap<String, String> map;

            for(int i=0; i<data.length(); i++){
                JSONObject c = data.getJSONObject(i);
                map = new HashMap<String, String>();
                map.put("p_date", c.getString("p_date"));
                map.put("p_tn", c.getString("p_tn"));
                map.put("p_tc", c.getString("p_tc"));
                map.put("p_husk", c.getString("p_husk"));
                MyArrList.add(map);
            }
            SimpleAdapter sAdap;
            sAdap = new SimpleAdapter(MainActivity.this, MyArrList, R.layout.activity_column,
                    new String[]{"p_date","p_tn","p_tc","p_husk"},
                    new int[]{R.id.ColDate,R.id.Colptn,R.id.Colptc,R.id.Colph});
            lisView1.setAdapter(sAdap);

            final AlertDialog.Builder viewDetail = new AlertDialog.Builder(this);
            lisView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                public void onItemClick(AdapterView<?> myAdapter, View myView, int position, long mylng) {
                    String sp_date = MyArrList.get(position).get("p_date").toString();
                    String sp_tn = MyArrList.get(position).get("p_tn").toString();
                    String sp_tc = MyArrList.get(position).get("p_tc").toString();
                    String sp_husk = MyArrList.get(position).get("p_husk").toString();
       
                    viewDetail.setIcon(android.R.drawable.btn_star_big_on);
                    viewDetail.setTitle("ราคารับซื้อ");
                    viewDetail.setMessage("วันที่ : "+sp_date+"\n"+
                                            "มันสด : "+sp_tn+" บาท/กิโลกรัม \n"+
                                            "มันเส้น : "+sp_tc+" บาท/กิโลกรัม \n"+
                                            "แกลบ : "+sp_husk+" บาท/กิโลกรัม ");
                    viewDetail.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            dialog.dismiss();
                        }
                    });
                    viewDetail.show();
                }
            });
        } catch (JSONException e){
            e.printStackTrace();
        }
    }
    public  String getJSONUrl(String url){
        StringBuilder str = new StringBuilder();
        HttpClient client = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(url);
        try{
            HttpResponse response = client.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();
            int statusCode = statusLine.getStatusCode();
            if (statusCode == 200){
                HttpEntity entity = response.getEntity();
                InputStream content = entity.getContent();
                BufferedReader reader = new BufferedReader(new InputStreamReader(content));
                String line;
                while ((line = reader.readLine()) !=null){
                    str.append(line);
                }
            } else{
                Log.e("LOg", "Fail to download . . . ");
            }
        } catch (ClientProtocolException e){
            e.printStackTrace();
        } catch (IOException e){
            e.printStackTrace();
        }
        return str.toString();
    }
    public boolean onCreateOptionsMenu(Menu menu){
        getMenuInflater().inflate(R.menu.activity_main,menu);
        return true;
    }
}