Android server Web ทำไม json ไม่ไม่ส่งค่ากลับมา หรือ มันส่งมาแต่ ผม รับค่า มันไม่ถูก ต้องแก้ตรงไหนครับ

package net.sourceforge.zbar.android.CameraTest;

import net.sourceforge.zbar.android.CameraTest.CameraPreview;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.os.Handler;
import android.os.StrictMode;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.Button;
import android.hardware.Camera;
import android.hardware.Camera.PreviewCallback;
import android.hardware.Camera.AutoFocusCallback;
import android.hardware.Camera.Size;
import android.widget.TextView;

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

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
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.JSONException;
import org.json.JSONObject;

//import com.example.testmember.MainActivity;
//import com.example.testmember.R;


import android.widget.Toast;



/* Import ZBar Class files */
import net.sourceforge.zbar.ImageScanner;
import net.sourceforge.zbar.Image;
import net.sourceforge.zbar.Symbol;
import net.sourceforge.zbar.SymbolSet;
import net.sourceforge.zbar.Config;

public class CameraTestActivity extends Activity
{
	
    private Camera mCamera;
    private CameraPreview mPreview;
    private Handler autoFocusHandler;
    public static String bcodesend="";
    TextView scanText;
    Button scanButton;

    ImageScanner scanner;

    private boolean barcodeScanned = false;
    private boolean previewing = true;

    static {
        System.loadLibrary("iconv");
    } 
    
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       
        setContentView(R.layout.main);

        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        autoFocusHandler = new Handler();
        mCamera = getCameraInstance();

        /* Instance barcode scanner */
        scanner = new ImageScanner();
        scanner.setConfig(0, Config.X_DENSITY, 3);
        scanner.setConfig(0, Config.Y_DENSITY, 3);

        mPreview = new CameraPreview(this, mCamera, previewCb, autoFocusCB);
        FrameLayout preview = (FrameLayout)findViewById(R.id.cameraPreview);
        preview.addView(mPreview);

        scanText = (TextView)findViewById(R.id.scanText);

        scanButton = (Button)findViewById(R.id.ScanButton);

        scanButton.setOnClickListener(new OnClickListener() {
                public void onClick(View v) {
                    if (barcodeScanned) {
                        barcodeScanned = false;
                        scanText.setText("Scanning...");
                        mCamera.setPreviewCallback(previewCb);
                        mCamera.startPreview();
                        previewing = true;
                        mCamera.autoFocus(autoFocusCB);
                    }
                }
            });
    }

    public void onPause() {
        super.onPause();
        releaseCamera();
    }

    /** A safe way to get an instance of the Camera object. */
    public static Camera getCameraInstance(){
        Camera c = null;
        try {
            c = Camera.open();
        } catch (Exception e){
        }
        return c;
    }

    private void releaseCamera() {
        if (mCamera != null) {
            previewing = false;
            mCamera.setPreviewCallback(null);
            mCamera.release();
            mCamera = null;
        }
    }

    private Runnable doAutoFocus = new Runnable() {
            public void run() {
                if (previewing)
                    mCamera.autoFocus(autoFocusCB);
            }
        };

    PreviewCallback previewCb = new PreviewCallback() {
            public void onPreviewFrame(byte[] data, Camera camera) {
                Camera.Parameters parameters = camera.getParameters();
                Size size = parameters.getPreviewSize();
                
             	

                Image barcode = new Image(size.width, size.height, "Y800");
                barcode.setData(data);

                int result = scanner.scanImage(barcode);
                
                if (result != 0) {
                    previewing = false;
                    mCamera.setPreviewCallback(null);
                    mCamera.stopPreview();
                    
                    SymbolSet syms = scanner.getResults();
                    for (Symbol sym : syms) {
                    	bcodesend=sym.getData();
                    	SaveData();
                        scanText.setText("barcode result " + sym.getData());
                        barcodeScanned = true;
                  }
                }
            }
        };
   	
    // Mimic continuous auto-focusing
    AutoFocusCallback autoFocusCB = new AutoFocusCallback() {
            public void onAutoFocus(boolean success, Camera camera) {
                autoFocusHandler.postDelayed(doAutoFocus, 1000);
            }
        };
 
        public boolean SaveData()
        {
        	
        	
            
                
        		// Dialog
            	final AlertDialog.Builder ad = new AlertDialog.Builder(this);

        		ad.setTitle("Error! ");
        		ad.setIcon(android.R.drawable.btn_star_big_on); 
        		ad.setPositiveButton("Close", null);

        		
        		

         		String url = "http://119.160.xx.xx/bcode.php";
         		
        		List<NameValuePair> params = new ArrayList<NameValuePair>();
                params.add(new BasicNameValuePair("bcode", bcodesend));
                
                
                /** Get result from Server (Return the JSON Code)
                 * StatusID = ? [0=Failed,1=Complete]
                 * Error	= ?	[On case error return custom error message]
                 * 
                 * Eg Save Failed = {"StatusID":"0","Error":"Email Exists!"}
                 * Eg Save Complete = {"StatusID":"1","Error":""}
                 */
                
            	 String resultServer  = getHttpPost(url,params);
                
                /*** Default Value ***/
            	String strStatusID = "0";
            	String strError = "Unknow Status!";
            	
            	JSONObject c;
    			try {
    				c = new JSONObject(resultServer);
                	strStatusID = c.getString("StatusID");
                	strError = c.getString("Error");
    			} catch (JSONException e) {
    				// TODO Auto-generated catch block
    				e.printStackTrace();
    			}
    			
    			// Prepare Save Data
    			if(strStatusID.equals("0"))
    			{
                    ad.setMessage(strError);
                    ad.show();
    			}
    			else
    			{
    				Toast.makeText(CameraTestActivity.this, "Save Data Successfully", Toast.LENGTH_SHORT).show();
    				
    			}
           	            
        
        	return true;
        }
        

    	public String getHttpPost(String url,List<NameValuePair> params) {
    		StringBuilder str = new StringBuilder();
    		HttpClient client = new DefaultHttpClient();
    		HttpPost httpPost = new HttpPost(url);
    		
    		try {
    			httpPost.setEntity(new UrlEncodedFormEntity(params));
    			HttpResponse response = client.execute(httpPost);
    			StatusLine statusLine = response.getStatusLine();
    			int statusCode = statusLine.getStatusCode();
    			if (statusCode == 200) { // Status 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 result..");
    			}
    		} catch (ClientProtocolException e) {
    			e.printStackTrace();
    		} catch (IOException e) {
    			e.printStackTrace();
    		}
    		return str.toString();
    	}
    	
    	          
}

<?php
header("content-type:text/javascript;charset=utf-8");  
$con=mysql_connect('localhost','root','')or die(mysql_error());   
mysql_select_db('android_web')or die(mysql_error());
mysql_query("SET NAMES UTF8");

	$bcode = $_POST["bcode"];
	
	$strSQL = "INSERT INTO barcode (barcode) VALUES ('".$bcode."')";

	$objQuery = mysql_query($strSQL);
	if($objQuery)
	{
		$arr['StatusID'] = "1"; 
		$arr['Error'] ="";	
	}
	else
	{
		$arr['StatusID'] = "0"; 
		$arr['Error'] ="Can not Save Data";
		
	}

	/**
		$arr['StatusID'] // (0=Failed , 1=Complete)
		$arr['Error'] // Error Message
	*/
	
	mysql_close($objConnect);
	
	echo json_encode($arr);
?>