Android 错误：很遗憾，应用程序在使用JSON检索数据时已停止

我是android应用程序开发新手。我有这个源代码，我正在努力使其工作，我从网上教程

我面临的问题是，当我在设备或模拟器上运行此代码时，会出现以下错误：

不幸的是，主屏幕已经停止

但是我的数据被输入到我在wamp中创建的mysql数据库中

这是我的密码： 1.所有生产活动

package com.example.androidhive;


import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.http.NameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

public class AllProductsActivity extends ListActivity {

    private ProgressDialog pDialog;
    JSONParser jParser = new JSONParser();

    ArrayList<HashMap<String, String>> productsList;


    private static String url_all_products = "http://10.0.2.2/android_connect/get_all_products.php";


    private static final String TAG_SUCCESS = "success";
    private static final String TAG_PRODUCTS = "products";
    private static final String TAG_PID = "pid";
    private static final String TAG_NAME = "name";


    JSONArray products = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.all_products);


        productsList = new ArrayList<HashMap<String, String>>();


        new LoadAllProducts().execute();


        ListView lv = getListView();


        lv.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {

                String pid = ((TextView) view.findViewById(R.id.pid)).getText()
                        .toString();


                Intent in = new Intent(getApplicationContext(),
                        EditProductActivity.class);

                in.putExtra(TAG_PID, pid);
                startActivityForResult(in, 100);
            }
        });

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        // if result code 100
        if (resultCode == 100) {

            Intent intent = getIntent();
            finish();
            startActivity(intent);
        }

    }

    /**
     * Background Async Task to Load all product by making HTTP Request
     * */
    class LoadAllProducts extends AsyncTask<String, String, String> {

        /**
         * Before starting background thread Show Progress Dialog
         * */
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(AllProductsActivity.this);
            pDialog.setMessage("Loading products. Please wait...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(false);
            pDialog.show();
        }

        /**
         * getting All products from url
         * */
        protected String doInBackground(String... args) {
            // Building Parameters
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            // getting JSON string from URL
            JSONObject json = jParser.makeHttpRequest(url_all_products, "GET", params);

            // Check your log cat for JSON reponse
            Log.d("All Products: ", json.toString());

            try {
                // Checking for SUCCESS TAG
                int success = json.getInt(TAG_SUCCESS);

                if (success == 1) {
                    // products found
                    // Getting Array of Products
                    products = json.getJSONArray(TAG_PRODUCTS);

                    // looping through All Products
                    for (int i = 0; i < products.length(); i++) {
                        JSONObject c = products.getJSONObject(i);

                        // Storing each json item in variable
                        String id = c.getString(TAG_PID);
                        String name = c.getString(TAG_NAME);

                        // creating new HashMap
                        HashMap<String, String> map = new HashMap<String, String>();

                        // adding each child node to HashMap key => value
                        map.put(TAG_PID, id);
                        map.put(TAG_NAME, name);

                        // adding HashList to ArrayList
                        productsList.add(map);
                    }
                } else {
                    // no products found
                    // Launch Add New product Activity
                    Intent i = new Intent(getApplicationContext(),
                            NewProductActivity.class);
                    // Closing all previous activities
                    i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                    startActivity(i);
                }
            } catch (JSONException e) {
                e.printStackTrace();
            }

            return null;
        }

        /**
         * After completing background task Dismiss the progress dialog
         * **/
        protected void onPostExecute(String file_url) {
            // dismiss the dialog after getting all products
            pDialog.dismiss();
            // updating UI from Background Thread
            runOnUiThread(new Runnable() {
                public void run() {
                    /**
                     * Updating parsed JSON data into ListView
                     * */
                    ListAdapter adapter = new SimpleAdapter(
                            AllProductsActivity.this, productsList,
                            R.layout.list_item, new String[] { TAG_PID,
                                    TAG_NAME},
                            new int[] { R.id.pid, R.id.name });
                    // updating listview
                    setListAdapter(adapter);
                }
            });

        }

    }
    }



  2.EditProductActivity:

    import java.util.ArrayList;
    import java.util.List;

    import org.apache.http.NameValuePair;
    import org.apache.http.message.BasicNameValuePair;
    import org.json.JSONArray;
    import org.json.JSONException;
    import org.json.JSONObject;

    import android.app.Activity;
    import android.app.ProgressDialog;
    import android.content.Intent;
    import android.os.AsyncTask;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;

    public class EditProductActivity extends Activity {

        EditText txtName;
        EditText txtPrice;
        EditText txtDesc;
        EditText txtCreatedAt;
        Button btnSave;
        Button btnDelete;

        String pid;

        // Progress Dialog
        private ProgressDialog pDialog;

        // JSON parser class
        JSONParser jsonParser = new JSONParser();

        // single product url
        private static final String url_product_detials = "http://10.0.2.2/android_connect/get_product_details.php";

        // url to update product
        private static final String url_update_product = "http://10.0.2.2/android_connect/update_product.php";

        // url to delete product
        private static final String url_delete_product = "http://10.0.2.2/android_connect/delete_product.php";

        // JSON Node names
        private static final String TAG_SUCCESS = "success";
        private static final String TAG_PRODUCT = "product";
        private static final String TAG_PID = "pid";
        private static final String TAG_NAME = "name";
        private static final String TAG_PRICE = "price";
        private static final String TAG_DESCRIPTION = "description";

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.edit_product);

            // save button
            btnSave = (Button) findViewById(R.id.btnSave);
            btnDelete = (Button) findViewById(R.id.btnDelete);

            // getting product details from intent
            Intent i = getIntent();

            // getting product id (pid) from intent
            pid = i.getStringExtra(TAG_PID);

            // Getting complete product details in background thread
            new GetProductDetails().execute();

            // save button click event
            btnSave.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View arg0) {
                    // starting background task to update product
                    new SaveProductDetails().execute();
                }
            });

            // Delete button click event
            btnDelete.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View arg0) {
                    // deleting product in background thread
                    new DeleteProduct().execute();
                }
            });

        }

        /**
         * Background Async Task to Get complete product details
         * */
        class GetProductDetails extends AsyncTask<String, String, String> {

            /**
             * Before starting background thread Show Progress Dialog
             * */
            @Override
            protected void onPreExecute() {
                super.onPreExecute();
                pDialog = new ProgressDialog(EditProductActivity.this);
                pDialog.setMessage("Loading product details. Please wait...");
                pDialog.setIndeterminate(false);
                pDialog.setCancelable(true);
                pDialog.show();
            }

            /**
             * Getting product details in background thread
             * */
            protected String doInBackground(String... params) {

                // updating UI from Background Thread
                runOnUiThread(new Runnable() {
                    public void run() {
                        // Check for success tag
                        int success;
                        try {
                            // Building Parameters
                            List<NameValuePair> params = new ArrayList<NameValuePair>();
                            params.add(new BasicNameValuePair("pid", pid));

                            // getting product details by making HTTP request
                            // Note that product details url will use GET request
                            JSONObject json = jsonParser.makeHttpRequest(
                                    url_product_detials, "GET", params);

                            // check your log for json response
                            Log.d("Single Product Details", json.toString());

                            // json success tag
                            success = json.getInt(TAG_SUCCESS);
                            if (success == 1) {
                                // successfully received product details
                                JSONArray productObj = json
                                        .getJSONArray(TAG_PRODUCT); // JSON Array

                                // get first product object from JSON Array
                                JSONObject product = productObj.getJSONObject(0);

                                // product with this pid found
                                // Edit Text
                                txtName = (EditText) findViewById(R.id.inputName);
                                txtPrice = (EditText) findViewById(R.id.inputPrice);
                                txtDesc = (EditText) findViewById(R.id.inputDesc);

                                // display product data in EditText
                                txtName.setText(product.getString(TAG_NAME));
                                txtPrice.setText(product.getString(TAG_PRICE));
                                txtDesc.setText(product.getString(TAG_DESCRIPTION));

                            }else{
                                // product with pid not found
                            }
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                });

                return null;
            }


            /**
             * After completing background task Dismiss the progress dialog
             * **/
            protected void onPostExecute(String file_url) {
                // dismiss the dialog once got all details
                pDialog.dismiss();
            }
        }

        /**
         * Background Async Task to  Save product Details
         * */
        class SaveProductDetails extends AsyncTask<String, String, String> {

            /**
             * Before starting background thread Show Progress Dialog
             * */
            @Override
            protected void onPreExecute() {
                super.onPreExecute();
                pDialog = new ProgressDialog(EditProductActivity.this);
                pDialog.setMessage("Saving product ...");
                pDialog.setIndeterminate(false);
                pDialog.setCancelable(true);
                pDialog.show();
            }

            /**
             * Saving product
             * */
            protected String doInBackground(String... args) {

                // getting updated data from EditTexts
                String name = txtName.getText().toString();
                String price = txtPrice.getText().toString();
                String description = txtDesc.getText().toString();

                // Building Parameters
                List<NameValuePair> params = new ArrayList<NameValuePair>();
                params.add(new BasicNameValuePair(TAG_PID, pid));
                params.add(new BasicNameValuePair(TAG_NAME, name));
                params.add(new BasicNameValuePair(TAG_PRICE, price));
                params.add(new BasicNameValuePair(TAG_DESCRIPTION, description));

                // sending modified data through http request
                // Notice that update product url accepts POST method
                JSONObject json = jsonParser.makeHttpRequest(url_update_product,
                        "POST", params);

                // check json success tag
                try {
                    int success = json.getInt(TAG_SUCCESS);

                    if (success == 1) {
                        // successfully updated
                        Intent i = getIntent();
                        // send result code 100 to notify about product update
                        setResult(100, i);
                        finish();
                    } else {
                        // failed to update product
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }

                return null;
            }

            /**
             * After completing background task Dismiss the progress dialog
             * **/
            protected void onPostExecute(String file_url) {
                // dismiss the dialog once product updated
                pDialog.dismiss();
            }
        }

        /*****************************************************************
         * Background Async Task to Delete Product
         * */
        class DeleteProduct extends AsyncTask<String, String, String> {

            /**
             * Before starting background thread Show Progress Dialog
             * */
            @Override
            protected void onPreExecute() {
                super.onPreExecute();
                pDialog = new ProgressDialog(EditProductActivity.this);
                pDialog.setMessage("Deleting Product...");
                pDialog.setIndeterminate(false);
                pDialog.setCancelable(true);
                pDialog.show();
            }

            /**
             * Deleting product
             * */
            protected String doInBackground(String... args) {

                // Check for success tag
                int success;
                try {
                    // Building Parameters
                    List<NameValuePair> params = new ArrayList<NameValuePair>();
                    params.add(new BasicNameValuePair("pid", pid));

                    // getting product details by making HTTP request
                    JSONObject json = jsonParser.makeHttpRequest(
                            url_delete_product, "POST", params);

                    // check your log for json response
                    Log.d("Delete Product", json.toString());

                    // json success tag
                    success = json.getInt(TAG_SUCCESS);
                    if (success == 1) {
                        // product successfully deleted
                        // notify previous activity by sending code 100
                        Intent i = getIntent();
                        // send result code 100 to notify about product deletion
                        setResult(100, i);
                        finish();
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }

                return null;
            }

            /**
             * After completing background task Dismiss the progress dialog
             * **/
            protected void onPostExecute(String file_url) {
                // dismiss the dialog once product deleted
                pDialog.dismiss();

            }

        }
    }


3.JSONParser

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

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class JSONParser {

    static InputStream is = null;
    static JSONObject jObj = null;
    static String json = "";

    // constructor
    public JSONParser() {

    }

    // function get json from url
    // by making HTTP POST or GET mehtod
    public JSONObject makeHttpRequest(String url, String method,
            List<NameValuePair> params) {

        // Making HTTP request
        try {

            // check for request method
            if(method == "POST"){
                // request method is POST
                // defaultHttpClient
                DefaultHttpClient httpClient = new DefaultHttpClient();
                HttpPost httpPost = new HttpPost(url);
                httpPost.setEntity(new UrlEncodedFormEntity(params));

                HttpResponse httpResponse = httpClient.execute(httpPost);
                HttpEntity httpEntity = httpResponse.getEntity();
                is = httpEntity.getContent();

            }else if(method == "GET"){
                // request method is GET
                DefaultHttpClient httpClient = new DefaultHttpClient();
                String paramString = URLEncodedUtils.format(params, "utf-8");
                url += "?" + paramString;
                HttpGet httpGet = new HttpGet(url);

                HttpResponse httpResponse = httpClient.execute(httpGet);
                HttpEntity httpEntity = httpResponse.getEntity();
                is = httpEntity.getContent();
            }           


        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(
                    is, "iso-8859-1"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
            is.close();
            json = sb.toString();
        } catch (Exception e) {
            Log.e("Buffer Error", "Error converting result " + e.toString());
        }

        // try parse the string to a JSON object
        try {
            jObj = new JSONObject(json);
        } catch (JSONException e) {
            Log.e("JSON Parser", "Error parsing data " + e.toString());
        }

        // return JSON String
        return jObj;

    }
}

4.MainScreenActivity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;


public class MainScreenActivity extends Activity{

    Button btnViewProducts;
    Button btnNewProduct;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_screen);

        // Buttons
        btnViewProducts = (Button) findViewById(R.id.btnViewProducts);
        btnNewProduct = (Button) findViewById(R.id.btnCreateProduct);

        // view products click event
        btnViewProducts.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                // Launching All products Activity
                Intent i = new Intent(getApplicationContext(), AllProductsActivity.class);
                startActivity(i);

            }
        });

        // view products click event
        btnNewProduct.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                // Launching create new product activity
                Intent i = new Intent(getApplicationContext(), NewProductActivity.class);
                startActivity(i);

            }
        });
    }
}

5.NewProductActivity:

import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class NewProductActivity extends Activity {

    // Progress Dialog
    private ProgressDialog pDialog;

    JSONParser jsonParser = new JSONParser();
    EditText inputName;
    EditText inputPrice;
    EditText inputDesc;

    // url to create new product
    private static String url_create_product = "http://10.0.2.2/android_connect/create_product.php";

    // JSON Node names
    private static final String TAG_SUCCESS = "success";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.add_product);

        // Edit Text
        inputName = (EditText) findViewById(R.id.inputName);
        inputPrice = (EditText) findViewById(R.id.inputPrice);
        inputDesc = (EditText) findViewById(R.id.inputDesc);

        // Create button
        Button btnCreateProduct = (Button) findViewById(R.id.btnCreateProduct);

        // button click event
        btnCreateProduct.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View view) {
                // creating new product in background thread
                new CreateNewProduct().execute();
            }
        });
    }

    /**
     * Background Async Task to Create new product
     * */
    class CreateNewProduct extends AsyncTask<String, String, String> {

        /**
         * Before starting background thread Show Progress Dialog
         * */
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(NewProductActivity.this);
            pDialog.setMessage("Creating Product..");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();
        }

        /**
         * Creating product
         * */
        protected String doInBackground(String... args) {
            String name = inputName.getText().toString();
            String price = inputPrice.getText().toString();
            String description = inputDesc.getText().toString();

            // Building Parameters
            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("name", name));
            params.add(new BasicNameValuePair("price", price));
            params.add(new BasicNameValuePair("description", description));

            JSONObject json = jsonParser.makeHttpRequest(url_create_product,
                    "POST", params);

            Log.d("Create Response", json.toString());
        try {
                int success = json.getInt(TAG_SUCCESS);

                if (success == 1) {

                    Intent i = new Intent(getApplicationContext(), AllProductsActivity.class);
                    startActivity(i);
                    finish();
                } else {
                        }
            } catch (JSONException e) {
                e.printStackTrace();
            }

            return null;
        }
        protected void onPostExecute(String file_url) {
            // dismiss the dialog once done
            pDialog.dismiss();
        }

    }
}

package com.example.androidhive；
导入java.util.ArrayList；
导入java.util.HashMap；
导入java.util.List；
导入org.apache.http.NameValuePair；
导入org.json.JSONArray；
导入org.json.JSONException；
导入org.json.JSONObject；
导入android.app.ListActivity；
导入android.app.ProgressDialog；
导入android.content.Intent；
导入android.os.AsyncTask；
导入android.os.Bundle；
导入android.util.Log；
导入android.view.view；
导入android.widget.AdapterView；
导入android.widget.AdapterView.OnItemClickListener；
导入android.widget.ListAdapter；
导入android.widget.ListView；
导入android.widget.simpledapter；
导入android.widget.TextView；
公共类AllProductsActivity扩展了ListActivity{
私人对话；
JSONParser jParser=新的JSONParser（）；
ArrayList productsList；
私有静态字符串url\u所有产品=”http://10.0.2.2/android_connect/get_all_products.php";
私有静态最终字符串标记_SUCCESS=“SUCCESS”；
私有静态最终字符串TAG_PRODUCTS=“PRODUCTS”；
私有静态最终字符串标记_PID=“PID”；
私有静态最终字符串标记_NAME=“NAME”；
JSONArray产品=null；
@凌驾
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.all_产品）；
productsList=新的ArrayList（）；
新建LoadAllProducts（）.execute（）；
ListView lv=getListView（）；
lv.setOnItemClickListener（新的OnItemClickListener（）{
@凌驾
public void onItemClick（AdapterView父级、视图、，
内部位置，长id）{
字符串pid=（（TextView）view.findViewById（R.id.pid））.getText（）
.toString（）；
Intent in=新的Intent（getApplicationContext（），
EditProductActivity.class）；
in.putExtra（标签号PID，PID）；
startActivityForResult（in，100）；
}
});
}
@凌驾
受保护的void onActivityResult（int请求代码、int结果代码、意图数据）{
super.onActivityResult（请求代码、结果代码、数据）；
//如果结果代码为100
如果（结果代码==100）{
Intent=getIntent（）；
完成（）；
星触觉（意向）；
}
}
/**
*通过发出HTTP请求加载所有产品的后台异步任务
* */
类LoadAllProducts扩展了AsyncTask{
/**
*在启动后台线程显示进度对话框之前
* */
@凌驾
受保护的void onPreExecute（）{
super.onPreExecute（）；
pDialog=newprogressdialog（AllProductsActivity.this）；
pDialog.setMessage（“正在加载产品。请稍候…”）；
pDialog.setUndeterminate（假）；
pDialog.setCancelable（假）；
pDialog.show（）；
}
/**
*从url获取所有产品
* */
受保护的字符串doInBackground（字符串…args）{
//建筑参数
List params=new ArrayList（）；
//从URL获取JSON字符串
JSONObject json=jParser.makeHttpRequest（url_all_products，“GET”，params）；
//检查日志cat中的JSON响应
Log.d（“所有产品：，json.toString（））；
试一试{
//检查成功标签
int success=json.getInt（TAG_success）；
如果（成功==1）{
//发现的产品
//获取一系列产品
products=json.getJSONArray（TAG_products）；
//在所有产品中循环
对于（int i=0；ivalue
地图放置（标签PID，id）；
地图放置（标签名称、名称）；
//将哈希列表添加到ArrayList
productsList.add（地图）；
}
}否则{
//没有发现任何产品
//启动添加新产品活动
意图i=新意图（getApplicationContext（），
NewProductActivity.class）；
//关闭以前的所有活动
i、 添加标志（意图、标志、活动、清除、顶部）；
星触觉（i）；
}
}捕获（JSONException e）{
e、 printStackTrace（）；
}
返回null；
}
/**
*完成后台任务后，关闭“进度”对话框
* **/
受保护的void onPostExecute（字符串文件\u url）{
//获取所有产品后关闭对话框
pDialog.disclose（）；
//从后台线程更新UI
runOnUiThread（新的Runnable（）{
公开募捐{
/**
*将解析的JSON数据更新到ListView中
* */
列表适配器
12-10 15:37:48.934      338-568/com.example.androidhive E/AndroidRuntime? FATAL EXCEPTION: AsyncTask #1
    java.lang.RuntimeException: An error occured while executing doInBackground()
            at android.os.AsyncTask$3.done(AsyncTask.java:200)
            at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
            at java.util.concurrent.FutureTask.setException(FutureTask.java:125)
            at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
            at java.util.concurrent.FutureTask.run(FutureTask.java:138)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
            at java.lang.Thread.run(Thread.java:1019)
     Caused by: java.lang.IllegalArgumentException: Illegal character in authority at index 15: http://10.0.2.2 /android_connect/create_product.php
            at java.net.URI.create(URI.java:776)
            at org.apache.http.client.methods.HttpPost.<init>(HttpPost.java:79)
            at com.example.androidhive.JSONParser.makeHttpRequest(JSONParser.java:48)
            at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:95)
            at com.example.androidhive.NewProductActivity$CreateNewProduct.doInBackground(NewProductActivity.java:64)
            at android.os.AsyncTask$2.call(AsyncTask.java:185)
            at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
            at java.util.concurrent.FutureTask.run(FutureTask.java:138)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
            at java.lang.Thread.run(Thread.java:1019)
12-10 15:37:49.974      338-338/com.example.androidhive E/WindowManager? Activity com.example.androidhive.NewProductActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@405490f8 that was originally added here
    android.view.WindowLeaked: Activity com.example.androidhive.NewProductActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@405490f8 that was originally added here
            at android.view.ViewRoot.<init>(ViewRoot.java:258)
            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
            at android.view.Window$LocalWindowManager.addView(Window.java:424)
            at android.app.Dialog.show(Dialog.java:241)
            at com.example.androidhive.NewProductActivity$CreateNewProduct.onPreExecute(NewProductActivity.java:76)
            at android.os.AsyncTask.execute(AsyncTask.java:391)
            at com.example.androidhive.NewProductActivity$1.onClick(NewProductActivity.java:56)
            at android.view.View.performClick(View.java:2485)
            at android.view.View$PerformClick.run(View.java:9080)
            at android.os.Handler.handleCallback(Handler.java:587)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:123)
            at android.app.ActivityThread.main(ActivityThread.java:3683)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:507)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
            at dalvik.system.NativeStart