Onesocialweb: a platform to build mobile social applications

A platform to build real-time social applications

Laurent Eschenauer C1 – Public
Droidcon, April 2nd 2010 ©2010 Vodafone Group Services Ltd.

@eschnou
Laurent Eschenauer
Software Engineer


Let's create a social shopping list application...

- Create shopping lists
- Share them with friends
- Collaborate on shopping items
- Receive real-time notifications

Shopulator on Android


Let's create a social shopping list application...

- Create shopping lists
- Share them with friends
- Collaborate on shopping items
- Receive real-time notifications

This looks fast and easy to do... right ?

Shopulator on Android


Well.. we want it to be social...



We need a back-end server



We need a back-end server
User registration
Social graph management (e.g. inviting friends)
Data storage for the shopping list
Web API (to communicate with the mobile client)


… and real-time !


… and real-time !

Custom TCP socket protocol (old skool)


… and real-time !

Web sockets (coming soon, or not so soon)


… and real-time !

Comet (your battery will soon be empty)


… and real-time !

SMS (your wallet will soon be empty)


… and real-time !

Apple Push Notifications (hey ! This is an Android talk !)


… and real-time !

Apple Push Notifications (hey ! This is an Android talk !)
XMPP (best ! )


Let's summarize


Let's summarize

We wanted to build a simple Android application
in Java...


Let's summarize

in Java...

… and end up having to use apache, mysql, php,
rest, json, xmpp, etc.


Let's summarize

in Java...

… and end up having to use apache, mysql, php,
rest, json, xmpp, etc.

Huh ?


What if all I had to do was...


ShoppingList list = new ShoppingList();
list.addItem(“bread”);
list.addCollaborator(“alice@betavine.net”);



OswService service = OswService.getInstance();
service.login(“eschnou@vodafonernd.com”, “******”);
service.post(list);



OswService service = OswService.getInstance();
service.login(“eschnou@vodafonernd.com”, “******”);
service.post(list);

service.registerInboxEventHandler(new InboxEventHandler() {
public void handleEvent(InboxEvent event) {
if (event.getObjectType().equals(“http://acme.com/shoppinglist“)) {
notify();
}
}
});


April 1st was yesterday... so.. what is the trick ?



Onesocialweb is a free, open, decentralized
social networking platform.




It makes social networking as easy as email.





It is real-time, based on XMPP.





It is real-time, based on XMPP.

It is extensible, using Activitystrea.ms.


How does it work then ?



vodafonernd.com betavine.net

eschnou@vodafonernd.com alice@betavine.net




Post a new item
to his stream





Push notifications to recipients

Post a new item
to his stream





Push notifications to recipients

Post a new item Real-time
to his stream notifications



Example payload
<iq type='set' from='eschnou@vodafonernd.com/mobile' to='vodafonernd.com' id='osw1'>
<pubsub xmlns="http://jabber.org/protocol/pubsub">
<publish node=”urn:xmpp:microblog:0”>
<entry xmlns="http://www.w3.org/2005/Atom"
xmlns:sl = “http://acme.com/shppinglist“
xmlns:activity="http://activitystrea.ms/spec/1.0/"
xmlns:osw="http://onesocialweb.org/spec/1.0/">
<title>New years eve party shopping list</title>
<activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
<activity:object>
<activity:object-type>http://acme.com/shoppinglist</activity:object-type>
<sl:item>bread</sl;item>
</activity:object>
<osw:acl-rule>
<osw:acl-action permission="http://onesocialweb.org/spec/1.0/acl/permission/grant">
http://onesocialweb.org/spec/1.0/acl/action/edit
</osw:acl-action>
<osw:acl-subject>alice@betavine.net</osw:acl-subject>
</osw:acl-rule>
</entry>
</publish>
</iq>


A simple protocol to support all use cases



Sharing of 'activities' (you decide what it means)



Following/follower model (twitter style)



Setup of 'relationships' (facebook style)



User profiles (extensible)



Fine grained privacy (per item, per field..)



Fine grained privacy (per item, per field..)
Collaborative


Coming out... soon


Coming out... soon

First pieces released April 9th ...
 Openfire server plugin

 Java library (based on Smack)

 Text based console


Coming out... soon

First pieces released April 9th ...
 Openfire server plugin

 Java library (based on Smack)

 Text based console

… the rest later this spring
 Web client (built with Google Web Toolkit)

 Android library

 Android client


Info:

http://onesocialweb.org
http://twitter.com/onesocialweb
http://github.com/onesocialweb

contact@onesocialweb.org


Onesocialweb: a platform to build mobile social applications

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