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Opensocial Haifa Seminar - 2008.04.08
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7. The problem of social network development As each social website opens its environment to developers, it exposes an API “ .. But what if you want to build an application that will run on multiple social websites?” Problem: Developers have to learn multiple APIs to publish in multiple environments Solution: OpenSocial allows developers to write applications to a common standard API that will run on multiple websites!
19. Current status on (a few) containers hi5 - launched developer platform recently (80 million users): http://www.hi5networks.com/developer/ MySpace - Developer Platform live and beta Apps Gallery available: http://developer.myspace.com orkut – Sandbox available, launch in test phase, apps available to a subset of users (Estonia) - rolling out further in the coming weeks ning, plaxa – sandboxes available
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23. Core Services - People & Friends /** * Request for friend info when the page loads. */ function getData() { var req = opensocial.newDataRequest(); req.add(req.newFetchPersonRequest(VIEWER), 'viewer' ); req.add(req.newFetchPeopleRequest(VIEWER_FRIENDS), 'viewerFriends' ); req.send( onLoadFriends ); }; Getting info on you and your friends :
24. Core Services - People /** * Callback function for returned friend data. */ function onLoadFriends (response) { var viewer = response.get( 'viewer' ).getData(); var html = 'Friends of ' + viewer.getDisplayName() + ‘:<br><ul>’; var viewerFriends = response.get( 'viewerFriends' ).getData(); viewerFriends.each(function(person) { html += '<li>' + person.getDisplayName() + '</li>';}); html += '</ul>'; document.getElementById('message').innerHTML = html; }; Getting info on you and your friends :
25. Core Services - Activities /** * Posting a simple text activity */ function postActivity(text) { var params = {}; params[opensocial.Activity.Field.TITLE] = text; var activity = opensocial.newActivity(params); opensocial.requestCreateActivity(activity, opensocial.CreateActivityPriority.HIGH, callback ); } postActivity("This is a sample activity, created at " + new Date().toString()); Posting an Activity :
26. Core Services - Persistence /** * Storing data */ function populateMyAppData() { var req = opensocial.newDataRequest(); var data1 = Math.random() * 5; var data2 = Math.random() * 100; req.add(req.newUpdatePersonAppDataRequest("VIEWER", "AppField1", data1)); req.add(req.newUpdatePersonAppDataRequest("VIEWER", "AppField2", data2)); req.send(requestMyData); }; Requesting to persist data:
27. Core Services - Persistence /** * Fetching data */ function requestMyData() { var req = opensocial.newDataRequest(); var fields = ["AppField1", "AppField2"]; req.add(req.newFetchPersonRequest( opensocial.DataRequest.PersonId.VIEWER), "viewer"); req.add(req.newFetchPersonAppDataRequest("VIEWER", fields), "viewer_data"); req.send(handleReturnedData); } Requesting to persist data:
28. Core Services - Persistence /** * Displaying persisted data */ function handleReturnedData(data) { var mydata = data.get("viewer_data"); var viewer = data.get("viewer"); me = viewer.getData(); // me is global var var data = mydata[me.getId()]; htmlout += "AppField1: " + data["AppField1"] + "<br/>"; htmlout += "AppField2: " + data["AppField2"] + "<br/>"; var div = document.getElementById('content_div'); div.innerHTML = htmlout; } Displaying the fetched ( persisted ) data:
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34. Shindig in Action Running the application Request is made from Client Data is returned and rendered Application Installation Gadget XML is loaded and cached on OpenSocial Container Gadget XML Source
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40. Where to find more info on OpenSocial http://www.opensocial.org Specification http://code.google.com/apis/opensocial/ http://code.google.com/opensocial http://code.google.com/p/opensocial-resources Sandboxes http://developer.myspace.com/ http://www.hi5networks.com/developer/ http://opensocial.ning.com/ http://pulse.plaxo.com/pulse/gadgets/ http://code.google.com/apis/orkut/ For container developers http://opensocialapis.blogspot.com/2007/12/lets-get-this-shindig-started.html http://incubator.apache.org/shindig/ http://code.google.com/p/google-caja
41. Where to find more info on OpenSocial This slide deck: slideshare.net/arileicht
![Introducing OpenSocial “Building Social applications with OpenSocial” ,[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)