Onesocialweb: a platform to build mobile social applications

Laurent EschenauerDroidcon, April 2nd 2010

A platform to build real-time social applications

@eschnou

Laurent EschenauerSoftware Engineer

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

Shopulator on Android

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

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

Shopulator on Android

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

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

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

We need a back-end server

We need a back-end serverUser registrationSocial graph management (e.g. inviting friends)Data storage for the shopping listWeb API (to communicate with the mobile client)

… and real-time !

Custom TCP socket protocol (old skool)

… and real-time !

Custom TCP socket protocol (old skool)Web sockets (coming soon, or not so soon)

… and real-time !

Custom TCP socket protocol (old skool)Web sockets (coming soon, or not so soon)Comet (your battery will soon be empty)

… and real-time !

SMS (your wallet will soon be empty)

… and real-time !

SMS (your wallet will soon be empty) Apple Push Notifications (hey ! This is an Android talk !)

… and real-time !

SMS (your wallet will soon be empty) Apple Push Notifications (hey ! This is an Android talk !) XMPP (best ! )

Let's summarize

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

Let's summarize

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

Let's summarize

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

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);

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 extensible, using Activitystrea.ms.

How does it work then ?

eschnou@vodafonernd.com alice@betavine.net

vodafonernd.com betavine.net

Post a new item to his stream

Push notifications to recipients

Real-time 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)

Sharing of 'activities' (you decide what it means)Following/follower model (twitter style)

Sharing of 'activities' (you decide what it means)Following/follower model (twitter style)Setup of 'relationships' (facebook style)

Sharing of 'activities' (you decide what it means)Following/follower model (twitter style)Setup of 'relationships' (facebook style)User profiles (extensible)

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..)

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..)Collaborative

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

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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