Prosciutto Palermo Valley Mobile Sessions - English

The Prosciutto Project an open source mobile application engine

Which problems do we have today?
Device fragmentation
Hardware (screen, memory, input)
Software (APIs, implementation differences)
Device configuration (preferences)
Network configuration(carriers)
More than 20 different vendors
More than 5000 different models
More than 11.000 firmware versions *Source: WURFL (Wireless Universal Resource File, April 22nd 2009)

Write once, run everywhere?
No: Write once, debug everywhere!
Redistribution. The costs of “planting” an application are re paid with each new release (communication, marketing campaign, distribution).
Testing and Porting costs
Which problems do we have today?

Motivations and vision
The spirit:
Configurable enough to build any application
Separate the business logic from the actual java code
Model the logic outside the engine
Implement in an easy configuration
Have analysts/modelers build the application, without specific skills
Bring technology to the people in every sense (the engine should run on cheap handsets, aggregate value added services, allow an unskilled - in the programming sense - designer build something out of nothing)

Motivations and vision
Separate the business logic from the java code

What is Prosciutto?
The Prosciutto Project is an engine implemented on Java ME.
You could think of it as a RAD framework, or a distributable engine that aims to scale the problem of device fragmentation.
It is based on a basic and intuitive markup language in order to define UI objects and their behavior.
Prosciutto applications run on the Prosciutto engine.
Any application which aims to let the user navigate data (online u offline) and represent those on screen can be built in Prosciutto.

Why an engine?
… and not a WAP application?
Access to various API and new functionalities
Security
Freedom

Why an engine?
… and not a vertical application ?
Fast development and prototyping vs. Efficiency in the solving of a vertical problem
False dicotomy
Prosciutto solves those problems that are common to everyone
Vertical applications provide a concrete solution to a specific and well-defined problem
Prosciutto provides a ground on which the application building is an activity that allows the designer to think freely without caring about the underlying platform
It allows for focusing on the vertical problem (application) in an efficient and quick way

Why Java?
More than 90% of the actual handsets do incorporate some version of a JVM.
There are more Java developers than in any other mobile platform
Symbian
iPhone
.NET CF (Windows Mobile)
(that’s why Google created its own Java language as the base development platform for Android)

Why open source?
Spread the idea of sharing
The problems attacked by Prosciutto are everybody’s pain:
Device fragmentation
Limited resources
Code hacks to support specifics of the different models and vendors
Therefore, the solutions to those problems should not be one company’s assets, but rather belong to the whole community.
If we all engage in tackling those problems that we all have , the faster we can focus our efforts in adding value
Value added is essentially the differntiator
V.A. can only come from vertical applications, and not from solving the common problems again and again (DRY concept)

What does it solve?
Device fragmentation? Yes!
Write once, run everywhere? Yes!
Redistribution. Yes! Costs of “planting” an application are paid only once.
Minimize testing and porting costs.
Therefore, a lower development cost and a better time-to-market

Markup
Prosciutto is based on a simple idea: the layout and appearance as well as app behavior should be defined in a unique XML model.
HelloWorld:

Example: Hello World

Example: Login

Tested handsets

Similar initiatives
J2ME Polish (www.j2mepolish.org)
LWUIT Lightweight User Interface Toolkit ( https://lwuit.dev.java.net/ )
Hecl ( http://www.hecl.org )
http://phonegap.com/
MUPE ( http://www.mupe.net/ ) Multi-User Publishing Environment
http://mobile.processing.org/

Future
Complete Hecl integration (Q2 2009)
Android (Q3-Q4 2009)
LWUIT integration (Q4 2009 – Q1 2010)
WYSIWYG editor (2010)

Success case: Ticketek Calling All Innovators Contest Regional Winner/Global Finalist

The application TIM (TELECOM PERSONAL) 11,9 MM users (4Q08) TICKETEK ARGENTINA Largest Ticket Broker in Argentina www.ticketek.com.ar

Functionality I

Functionality II

Functionality III

Access validation

Architecture

Thank you!
[email_address]
http://www.prosciuttoproject.org

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Prosciutto Palermo Valley Mobile Sessions - English

by Mario Zorz

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