Hello, I created web service and I am using http://localhost:8080/wenservice/services/Connectionserver?wsdl link in my android app for fetching data. I want to fetch that data into my dynamic list view. I use Jsonobject. So how can I achieve this from wsdl URL dynamically. please guide me. i did following coding for that
MainActivity.java
package com.example.androidjson;
import java.util.ArrayList;
import java.util.HashMap;
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 MainActivity extends ListActivity {
private ProgressDialog pDialog;
// URL to get contacts JSON
private static String url = "http://localhost:8080/wenservice/services/Connectionserver?wsdl";
// JSON Node names
private static final String TAG_CONTACTS = "contacts";
private static final String TAG_ID = "id";
private static final String TAG_NAME = "name";
// contacts JSONArray
JSONArray contacts = null;
// Hashmap for ListView
ArrayList<hashmap><string,>> contactList;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
contactList = new ArrayList<hashmap><string,>>();
ListView lv = getListView();
// Listview on item click listener
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView // getting values from selected ListItem
String name = ((TextView) view.findViewById(R.id.name)).getText().toString();
// Starting single contact activity
Intent in = new Intent(getApplicationContext(),
SingleClassActivity.class);
in.putExtra(TAG_NAME, name);
startActivity(in);}});
// Calling async task to get json
new GetContacts().execute();
}
private class GetContacts extends AsyncTask<void,> {
@Override
protected void onPreExecute() {
super.onPreExecute();
// Showing progress dialog
pDialog = new ProgressDialog(MainActivity.this);
pDialog.setMessage("Please wait...");
pDialog.setCancelable(false);
pDialog.show();}
@Override
protected Void doInBackground(Void... arg0) {
// Creating service handler class instance
ServiceHandler sh = new ServiceHandler();
// Making a request to url and getting response
String jsonStr = sh.makeServiceCall(url, ServiceHandler.GET);
Log.d("Response: ", "> " + jsonStr);
if (jsonStr != null) {
try {
JSONObject jsonObj = new JSONObject(jsonStr);
// Getting JSON Array node
contacts = jsonObj.getJSONArray(TAG_CONTACTS);
// looping through All Contacts
for (int i = 0; i < contacts.length(); i++) {
JSONObject c = contacts.getJSONObject(i);
String id = c.getString(TAG_ID);
String name = c.getString(TAG_NAME);
// tmp hashmap for single contact
HashMap<string,> contact = new HashMap<string,>();
// adding each child node to HashMap key => value
contact.put(TAG_ID, id);
contact.put(TAG_NAME, name);
// adding contact to contact list
contactList.add(contact);
}
} catch (JSONException e) {
e.printStackTrace();}
} else {
Log.e("ServiceHandler", "Couldn't get any datafrom the url");
}return null;}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
// Dismiss the progress dialog
if (pDialog.isShowing())
pDialog.dismiss();
ListAdapter adapter = new SimpleAdapter(
MainActivity.this, contactList,
R.layout.list_item, new String[] {
TAG_NAME }, new int[] { R.id.name });
setListAdapter(adapter); }}}
ServiceHandler.java
package com.example.androidjson;
import java.io.IOException;
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.apache.http.util.EntityUtils;
public class ServiceHandler
{static String responce = null;
public final static int GET=1;
public final static int POST=2;
public ServiceHandler(){}
//making service call
public String makeServiceCall(String url,int method)
{return this.makeServiceCall(url, method);}
public String makeServiceCall(String url, int method, List<namevaluepair> params)
{try {// http client
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpEntity httpEntity = null;
HttpResponse httpResponse = null;
// Checking http request method type
if (method == POST) {
HttpPost httpPost = new HttpPost(url);
// adding post params
if (params != null) {
httpPost.setEntity(newUrlEncodedFormEntity(params));
}
httpResponse = httpClient.execute(httpPost);
} else if (method == GET) {
// appending params to url
if (params != null) {
String paramString = URLEncodedUtils
.format(params, "utf-8");
url += "?" + paramString;
}
HttpGet httpGet = new HttpGet(url);
httpResponse = httpClient.execute(httpGet);}
httpEntity = httpResponse.getEntity();
String response = EntityUtils.toString(httpEntity);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();}
return url;}}
SingleClassActivity.java
package com.example.androidjson;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class SingleClassActivity extends Activity
{ //JSOn Node Array
private static final String TAG_ID="id";
private static final String TAG_NAME="name";
@Override
public void onCreate(Bundle savedInstanceState)
{ super.onCreate(savedInstanceState);
setContentView(R.layout.activity_single_contact);
Intent in = getIntent();
//get json value from prev intent
String id = in.getStringExtra(TAG_ID);
String name= in.getStringExtra(TAG_NAME);
// display all values on screen
TextView lblId = (TextView) findViewById(R.id.id_label);
TextView lblName = (TextView) findViewById(R.id.name_label);
lblId.setText(id);
lblName.setText(name);}}
activity_main.xml
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<listview> android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
activity_single_contact.xml
<linearlayout> xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp">
<!-- ID Label -->
<textview android:id="@+id/id_label" xmlns:android="#unknown">
android:layout_width="fill_parent"
android:layout_height="wrap_removed"
android:textSize="25dip"
android:textStyle="bold"
android:paddingTop="10dip"
android:paddingBottom="10dip"
android:textColor="#43bd00"/>
<!-- Name Label -->
<textview android:id="@+id/name_label">
android:layout_width="fill_parent"
android:layout_height="wrap_removed"
android:textSize="25dip"
android:textStyle="bold"
android:paddingTop="10dip"
android:paddingBottom="10dip"
android:textColor="#43bd00"/>
list_item.xml
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"> android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dp"
android:paddingLeft="10dp"
android:paddingRight="10dp" >
<!-- id Label -->
<textview>
android:id="@+id/id"
android:layout_width="fill_parent"
android:layout_height="wrap_removed"
android:paddingBottom="2dip"
android:paddingTop="6dip"
android:textColor="#43bd00"
android:textSize="16sp"
android:textStyle="bold" />
<!-- Email label -->
<textview>
android:id="@+id/name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingBottom="2dip"
android:textColor="#acacac" />
<uses-permission android:name="android.permission.INTERNET" xmlns:android="#unknown">
There is no any error in program but when I run it shows me force to close application.and problem with doInbackground method. What I did Wrong here? Is there any other method to deal with wsdl URL link. plz guide me.
Thank you.
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