รัน application แล้วไม่ดึงข้อมูล ทำตามกระทู้ android json retrieving data

ainactivity.java

package com.example.myapp;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;

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 android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

public class MainActivity extends Activity {

    @SuppressLint("NewApi")
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        
        // listView1
        final ListView lstView1 = (ListView)findViewById(R.id.listView1); 
        
//      /** JSON from URL
//      * [
//      * {"news_id":"101","news_title":"News View 1","image_picture":"http://127.0.0.1/rmutll/pic/7b25.jpeg"},
//      * {"news_id":"102","news_title":"News View 1","image_picture":"http://127.0.0.1/rmutll/pic//7f3a.jpeg"},
//      * {"news_id":"103","news_title":"News View 1","image_picture":"http://127.0.0.1/rmutll/pic/DFD.jpeg"},
//      * {"news_id":"104","news_title":"News View 1","image_picture":"http://127.0.0.1/rmutll/pic/films.jpg"}
//      * ]
//      */
     
     
     /** JSON from URL
      * [
      * {"ImageID":"1","ImageDesc":"News View 1","ImagePath":"http://www.newsrealtionsthailand.com/android/IMG_9769.JPG"},
      * {"ImageID":"2","ImageDesc":"News View 2","ImagePath":"http://www.newsrealtionsthailand.com/android/IMG_8567.JPG"},
      * {"ImageID":"3","ImageDesc":"News View 3","ImagePath":"http://www.newsrealtionsthailand.com/android/DFD.jpeg"},
      * {"ImageID":"4","ImageDesc":"News View 4","ImagePath":"http://www.newsrealtionsthailand.com/android/7f3a.jpeg"}
      * ]
      */
     
     String url = "http://10.0.2.2/json/getjson.php";
     //String url = "http://127.0.0.1/json/getjson.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("ImageID", c.getString("ImageID"));
    			map.put("ImageDesc", c.getString("ImageDesc"));
    			map.put("ImagePath", c.getString("ImagePath"));
    			MyArrList.add(map);
			}
			
			
		    lstView1.setAdapter(new ImageAdapter(this,MyArrList));
  
	        final AlertDialog.Builder imageDialog = new AlertDialog.Builder(this);
	        final LayoutInflater inflater = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);
	        
	        // OnClick
	        lstView1.setOnItemClickListener(new OnItemClickListener() {
				public void onItemClick(AdapterView<?> parent, View v,
					int position, long id) {
					
	                View layout = inflater.inflate(R.layout.custom_fullimage_dialog,
	                        (ViewGroup) findViewById(R.id.layout_root));
	                ImageView image = (ImageView) layout.findViewById(R.id.fullimage);
	                

		           	 try
		           	 {
		           		image.setImageBitmap(loadBitmap(MyArrList.get(position).get("ImagePath")));
		           	 } catch (Exception e) {
		           		 // When Error
		           		image.setImageResource(android.R.drawable.ic_menu_report_image);
		           	 }
					
	                imageDialog.setIcon(android.R.drawable.btn_star_big_on);	
	        		imageDialog.setTitle("View : " + MyArrList.get(position).get("ImageDesc"));
	                imageDialog.setView(layout);
	                imageDialog.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener(){

	                    public void onClick(DialogInterface dialog, int which) {
	                        dialog.dismiss();
	                    }

	                });

	                imageDialog.create();
	                imageDialog.show(); 
			    	
				}
			});
			
			
			
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
       
      
    }
             
    
    public class ImageAdapter extends BaseAdapter 
    {
        private Context context;
        private ArrayList<HashMap<String, String>> MyArr = new ArrayList<HashMap<String, String>>();

        public ImageAdapter(Context c, ArrayList<HashMap<String, String>> list) 
        {
        	// TODO Auto-generated method stub
            context = c;
            MyArr = list;
        }
 
        public int getCount() {
        	// TODO Auto-generated method stub
            return MyArr.size();
        }
 
        public Object getItem(int position) {
        	// TODO Auto-generated method stub
            return position;
        }
 
        public long getItemId(int position) {
        	// TODO Auto-generated method stub
            return position;
        }
		public View getView(int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
			
			LayoutInflater inflater = (LayoutInflater) context
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		 
		 
			if (convertView == null) {
				convertView = inflater.inflate(R.layout.activity_column, null); 
			}

			// ColImage
			ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath);
			imageView.getLayoutParams().height = 100;
			imageView.getLayoutParams().width = 100;
			imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        	 try
        	 {
        		 imageView.setImageBitmap(loadBitmap(MyArr.get(position).get("ImagePath")));
        	 } catch (Exception e) {
        		 // When Error
        		 imageView.setImageResource(android.R.drawable.ic_menu_report_image);
        	 }
				
			// ColPosition
			TextView txtPosition = (TextView) convertView.findViewById(R.id.ColImgID);
			txtPosition.setPadding(10, 0, 0, 0);
			txtPosition.setText("ID : " + MyArr.get(position).get("ImageID"));
			
			// ColPicname
			TextView txtPicName = (TextView) convertView.findViewById(R.id.ColImgDesc);
			txtPicName.setPadding(50, 0, 0, 0);
			txtPicName.setText("Desc : " + MyArr.get(position).get("ImageDesc"));

					
		 
			return convertView;
				
		}

    } 
    
    /*** Get JSON Code from URL ***/
	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) { // Download OK
				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", "Failed to download file..");
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return str.toString();
	}
    
    
    /***** Get Image Resource from URL (Start) *****/
	private static final String TAG = "ERROR";
	private static final int IO_BUFFER_SIZE = 4 * 1024;
	public static Bitmap loadBitmap(String url) {
	    Bitmap bitmap = null;
	    InputStream in = null;
	    BufferedOutputStream out = null;

	    try {
	        in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

	        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
	        out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
	        copy(in, out);
	        out.flush();

	        final byte[] data = dataStream.toByteArray();
	        BitmapFactory.Options options = new BitmapFactory.Options();
	        //options.inSampleSize = 1;

	        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
	    } catch (IOException e) {
	        Log.e(TAG, "Could not load Bitmap from: " + url);
	    } finally {
	        closeStream(in);
	        closeStream(out);
	    }

	    return bitmap;
	}

	 private static void closeStream(Closeable stream) {
	        if (stream != null) {
	            try {
	                stream.close();
	            } catch (IOException e) {
	                android.util.Log.e(TAG, "Could not close stream", e);
	            }
	        }
	    }
	 
	 private static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] b = new byte[IO_BUFFER_SIZE];
        int read;
        while ((read = in.read(b)) != -1) {
            out.write(b, 0, read);
        }
    }
	 /***** Get Image Resource from URL (End) *****/
	 
	 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}