Dear All,
I am getting the below error when i try to connect to MySQL database. I am
using PHP for connecting to the databse stuff.
Here is my code. If i change the AVD from 4.0.3 to 2.2 then it runs fine
and interacts with the DB. But when i run the same on AVD 4.0.3 then it
crashes.
package com.example.androidhive;
import com.example.androidhive.library.JSONParser;
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.annotation.SuppressLint;
import android.app.Activity;
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;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;
public class AllOrderActivity extends ListActivity {
int userId;
String EmpName;
TextView tv;
// Progress Dialog
private ProgressDialog pDialog;
// Creating JSON Parser object
JSONParser jParser = new JSONParser();
ArrayList<HashMap<String, String>> productsList;
// url to get all products list
private static String url_all_order =
"http://localhost/android_login_api/get_all_products.php";;
// JSON Node names
private static final String TAG_SUCCESS = "success";
private static final String TAG_ORDERS = "orders";
private static final String TAG_OID = "oid";
private static final String TAG_ORDER_DESCRIPTION = "order_description";
private static final String TAG_EMP_NAME = "empName";
// products JSONArray
JSONArray products = null;
@SuppressLint("UseValueOf")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.all_order);
Log.d("In all oder","In all order");
Bundle extras = getIntent().getExtras();
if (extras != null) {
userId = extras.getInt("UserId");
EmpName = extras.getString("EmpName");
}
userId = 4;
EmpName = "testing";
String s = new Integer(userId).toString();
Log.d("userId", s);
Log.d("user name", EmpName);
tv = (TextView) findViewById(R.id.empName);
tv.setText(EmpName);
// Hashmap for ListView
productsList = new ArrayList<HashMap<String, String>>();
// Loading products in Background Thread
new LoadAllProducts().execute();
// Get listview
ListView lv = getListView();
// on seleting single product
// launching Edit Product Screen
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting values from selected ListItem
String pid = ((TextView)
view.findViewById(R.id.pid)).getText()
.toString();
Log.d("pid in ALL",pid);
String usrId = new Integer(userId).toString();
// Starting new intent
Intent in = new Intent(getApplicationContext(),
EditOrderActivity.class);
// sending pid to next activity
in.putExtra(TAG_OID, pid);
in.putExtra("oId", pid);
in.putExtra("userId", usrId);
in.putExtra("EmpName", EmpName);
// starting new activity and expecting some response back
startActivityForResult(in, 100);
}
});
}
// Response from Edit Product Activity
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent
data) {
super.onActivityResult(requestCode, resultCode, data);
// if result code 100
if (resultCode == 100) {
// if result code 100 is received
// means user edited/deleted product
// reload this screen again
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(AllOrderActivity.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
Log.d("1","####");
final String url_all_order1 =
"http://localhost/android_login_api/get_all_products.php?uid="+userId;
Log.d("2",url_all_order1);
List<NameValuePair> params = new ArrayList<NameValuePair>();
// params.add(new BasicNameValuePair("username","abcd"));
// getting JSON string from URL
JSONObject json = jParser.getJSONFromUrl(url_all_order1, 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_ORDERS);
// 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_OID);
String name = c.getString(TAG_ORDER_DESCRIPTION);
// creating new HashMap
HashMap<String, String> map = new HashMap<String,
String>();
// adding each child node to HashMap key => value
map.put(TAG_OID, id);
map.put(TAG_ORDER_DESCRIPTION, name);
// adding HashList to ArrayList
productsList.add(map);
}
} else {
// no products found
// Launch Add New product Activity
Intent i = new Intent(getApplicationContext(),
DashboardActivity.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(
AllOrderActivity.this, productsList,
R.layout.list_item, new String[] { TAG_OID,
TAG_ORDER_DESCRIPTION},
new int[] { R.id.pid, R.id.name });
// updating listview
setListAdapter(adapter);
}
});
}
}
}
JSON parse class:
package com.example.androidhive.library;
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.HttpPost;
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() {
}
public JSONObject getJSONFromUrl(String url, List<NameValuePair> params) {
// Making HTTP request
try {
// defaultHttpClient
Log.d("URL in JSON class",url);
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();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Log.d("1", "I am here");
try {
*Log.d("2", "I am here out");// till here i am able to watch in the LogCat
after this app crashes.*
BufferedReader readero = new BufferedReader(new InputStreamReader(
is, "iso-8859-1"), 8);
StringBuilder sbo = new StringBuilder();
String line = null;
while ((line = readero.readLine()) != null) {
sbo.append(line + "\n");
Log.d("str", sbo.toString());
}
is.close();
json = sbo.toString();
Log.d("JSON", json);
} 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());
e.printStackTrace();
}
// return JSON String
return jObj;
}
}
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