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Facebook Platform: 101

Facebook Platform: 101 Network Journal Club Meeting Shaomei Wu shaomei@gmail.com May 7, 2008 You might want to know… How to create a Facebook App? How to get data using Facebook Platform? Guide to Create a Facebook App http://developers.facebook.com/step_by_step.php

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Facebook Platform: 101

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  1. Facebook Platform: 101 Network Journal Club Meeting Shaomei Wu shaomei@gmail.com May 7, 2008

  2. You might want to know… • How to create a Facebook App? • How to get data using Facebook Platform?

  3. Guide to Create a Facebook Apphttp://developers.facebook.com/step_by_step.php • Add the Developer Application • Get a web server and/with a database service (if you will use database) – Thanks Chris! • Create a new App in Developer • Configure your App: • The form is explained very clearly at: http://developers.facebook.com/step_by_step.php

  4. A very quick start ← define Facebook Class ← given after you create a new App

  5. Step-by-step Guide to Creating Facebook Apphttp://developers.facebook.com/step_by_step.php

  6. Extract data with your Apphttp://developers.facebook.com/documentation.php

  7. Facebook APIshttp://wiki.developers.facebook.com/index.php/API#API_Methods • A lot of handy functions provided with a Facebook Object. • For example: Users.getInfo • Returns a wide array of user-specific information for each user identifier passed, limited by the view of the current user.

  8. Examples of using APIs • Get current user’s first name and last name $user_details=$this->facebook->api_client->users_getInfo($uid, array('last_name','first_name')); $data['first_name']=$user_details[0]['first_name']; $data['last_name']=$user_details[0]['last_name'];

  9. Facebook Queryhttp://wiki.developers.facebook.com/index.php/FQL • Facebook Query Language, or FQL • allows you to use a SQL-style interface to more easily query the same Facebook social data that you can access through other Facebook API methods (assuming your application has access!). • It can be very concise and powerful!

  10. Examples of using FQLhttp://wiki.developers.facebook.com/index.php/Sample_FQL_Queries • Get the names of the groups of which u1 is a member: SELECT name FROM group WHERE gid IN (SELECT gid FROM group_member WHERE uid = ''u1'') • In PHP, you write: $query = "YOUR QUERY HERE"; //(see above examples) $array = $facebook->api_client->fql_query($query); • The returned array is multidimensional, so $attribute = $array[0]['attribute']; • If there are no rows returned, check to see if there are any results like this: if ($result != NULL)

  11. FBMLhttp://wiki.developers.facebook.com/index.php/FQBML • Facebook Markup Language (FBML) • To me it looks like facebook CCS + a lot of predefined dynamics elements. “You can hook into several Facebook integration points, including the profile, profile actions, Facebook canvas, News Feed and Mini-Feed.“ • Especially handy when you implement some Facebook styled things: wall posts,manipulate profile, invite friends, send out notifications…

  12. Examples of using FBML(from the App I wrote) • <?php • $invfbml = <<<FBML • You've been invited to take a Friendship Quiz. • <fb:name uid="$user" firstnameonly="true" shownetwork="false"/> wants you to take the quiz: {$test_name}. • <fb:req-choice url="http://apps.facebook.com/friendshiptest/$sNextUrl" label="Take a Friendship Quiz!" /> • FBML; • ?> • <fb:request-form type="friendship test" action="post_invitation.php5" content="<?=htmlentities($invfbml)?>" method="POST" invite="true"> • <fb:multi-friend-selector max="20" actiontext="Invite your friends to take a quiz!" showborder="true" rows="5" exclude_ids="<?=$arFriends?>"> • <input type="hidden" name="test_id" value=<?php echo $tid;?>></input> • </fb:request-form>

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