JSON Parsing in Android - URL - 2

Demo:

 
1.Activity:

package com.venky.jsonparsing2;

import java.io.IOException;

import java.util.Vector;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.BasicResponseHandler;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.LinearLayout;

import android.widget.ListView;

import android.widget.TextView;

public class JSONParsing2Activity extends Activity {

      /** Called when the activity is first created. */

      String response;

      String Url = "http://api.androidhive.info/contacts/";

      static Vector<Contacts> vecContacts = new Vector<Contacts>();

      ListView lvList;

      ProgressDialog progressDialog;

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

            lvList = (ListView) findViewById(R.id.lvList);

            progressDialog = ProgressDialog.show(JSONParsing2Activity.this, null,

                        "Loading Please wait ...");

            new Thread() {

                  public void run() {

                        parsing();

                        runOnUiThread(new Runnable() {

                              public void run() {

                                    lvList.setAdapter(new MyAdapter());

                                    progressDialog.dismiss();

                              }

                        });

                  }

            }.start();

      }

      public void parsing() {

            JSONArray contactsArray = null;

            try {

                  response = new DefaultHttpClient().execute(new HttpGet(Url),

                              new BasicResponseHandler());

                  JSONObject jsonObject = new JSONObject(response);

                  contactsArray = jsonObject.getJSONArray("contacts");

                  for (int i = 0; i < contactsArray.length(); i++) {

                        Contacts contacts = new Contacts();

                        JSONObject jsonObject2 = contactsArray.getJSONObject(i);

                        contacts.id = jsonObject2.getString("id");

                        contacts.name = jsonObject2.getString("name");

                        vecContacts.add(contacts);

                  }

            } catch (ClientProtocolException e) {

                  // TODO Auto-generated catch block

                  e.printStackTrace();

            } catch (IOException e) {

                  // TODO Auto-generated catch block

                  e.printStackTrace();

            } catch (JSONException e) {

                  // TODO Auto-generated catch block

                  e.printStackTrace();

            }

      }

      public class MyAdapter extends BaseAdapter {

            @Override

            public int getCount() {

                  // TODO Auto-generated method stub

                  return vecContacts.size();

            }

            @Override

            public Object getItem(int position) {

                  // TODO Auto-generated method stub

                  return position;

            }

            @Override

            public long getItemId(int position) {

                  // TODO Auto-generated method stub

                  return position;

            }

            @Override

            public View getView(int position, View v, ViewGroup parent) {

                  Contacts contacts = vecContacts.get(position);

                  v = (LinearLayout) LayoutInflater.from(getApplicationContext())

                              .inflate(R.layout.style, null);

                  TextView tvid = (TextView) v.findViewById(R.id.tvId);

                  TextView tvname = (TextView) v.findViewById(R.id.tvName);

                  tvid.setText(contacts.id);

                  tvname.setText(contacts.name);

                  return v;

            }

      }

}

2.Contacts.java:

package com.venky.jsonparsing2;

public class Contacts {

      public String id = "";

      public String name = "";

}

3.main.xml file: 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <ListView

        android:id="@+id/lvList"

        android:layout_width="match_parent"

        android:layout_height="match_parent" >

    </ListView>

</LinearLayout>

4.style.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/tvId"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Medium Text"

        android:textAppearance="?android:attr/textAppearanceMedium" />

    <TextView

        android:id="@+id/tvName"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Medium Text"

        android:textAppearance="?android:attr/textAppearanceMedium" />

</LinearLayout>

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