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OpenSocial - PowerPoint PPT Presentation

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OpenSocial. Creating Orkut Applications. Before We Start…. If you have any questions, please don't hesitate to ask. During presentation we will create a sample application and run at Orkut. This session is not about OpenSocial container/Shindig. About Me. Doing PHP since 2000.

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Creating Orkut Applications

before we start
Before We Start…
  • If you have any questions, please don't hesitate to ask.
  • During presentation we will create a sample application and run at Orkut.
  • This session is not about OpenSocial container/Shindig.
about me
About Me
  • Doing PHP since 2000.
  • Service Delivery Manager

@ Clarion Technologies Pvt. Ltd.

CMMI Level 3 Company

  • My application “Cities I visited” listed at Orkut directory.
something about you
Something about you…
  • How many of you know OpenSocial?
  • How many of you used Facebook Applications?
  • How many of you used Orkut Applications?.
why opensocial
Why OpenSocial?
  • Facebook has its own API. It became popular with launch of applications.
  • There are many other networking sites like Orkut, MySpace, hi5, linkedin etc.
  • What if all creates their own API? Developer will have to create different application for each platform.
what is opensocial
What is OpenSocial?

OpenSocial defines a common API for social applications across multiple websites. Built from standard JavaScript and HTML, developers can create apps with OpenSocial that access a social network's friends and update feeds.

journey of opensocial
Journey of OpenSocial
  • Launched on November 1, 2007 with initial version 0.5
  • Initially supported by Friendster, hi5, MySpace, Ning, orkut and many more.
  • At launch Flixster, FotoFlexer, iLike, Newsgator, RockYou, Slide, Theikos, and VirtualTourist presented applications.
  • Current version 0.8 released on May 28, 2008.

Simple “Hello World” Application (helloworld.xml)

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


<ModulePrefs title="Hello World!">

<Require feature="opensocial-0.8" />


<Content type="html">

<![CDATA[ Hello, world!]]>



listing friends 1 xml
Listing Friends …1 - xml

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


<ModulePrefs title=“PHPCamp- List Friends">

<Require feature="opensocial-0.7"/>


<Content type="html">

<![CDATA[ <script type="text/javascript"> /* ... */ </script>

<div id='main'>

Your friends: <div id='friends'></div>


]]> </Content> </Module>

listing friends 2 js
Listing Friends … 2- js

<script language=“JavaScript”>


function init() {

var req = opensocial.newDataRequest();

var opt_params = {};

opt_params[opensocial.DataRequest.PeopleRequestFields.MAX] = 20;

req.add(req.newFetchPeopleRequest('OWNER_FRIENDS',opt_params), 'ownerFriends');




listing friends 3 js
Listing Friends … 3- js

function onLoadFriends(data) {

var viewerFriends = data.get('viewerFriends').getData();

var html="";


viewerFriends.each(function(person) {

var friend_thumbnail = person.getField(opensocial.Person.Field.THUMBNAIL_URL);

html +='<li>' + person.getDisplayName() + '<img src="'+friend_thumbnail+'"> </li>';


html +='</ul>';

document.getElementById('friends').innerHTML = html;


what else you can do
What else you can do
  • Send request to your server and return information in text,XML or JSON format.
  • Insert activity in users updates.
  • Use of AJAX.
  • Store information at Orkut server.
  • Fetch owner and his friends information.
what you can t do
What you can’t do
  • Post scraps through your application.
  • Fetch personal information like phone number, birth date etc.
  • Communicate between different OpenSocial sites.
  • Any change at Orkut site. Application runs only at the space allocated to it e.g. profile view and container view.
  • Run exactly same application on all supported sites.
  • Orkut OpenSocial Blog
  • Orkut Developer Forum
  • Orkut developer Guide
  • OpenSocial Tutorial
that s it
That’s it!
  • If you have any questions, don't hesitate to ask.
  • Demonstration scripts and forms can be seen under

  • Feel free to contact me at