These materials are prepared only for the students enrolled in the course Distributed Software Development (DSD) at the Department of Computer Science and Engineering, University of Mälardalen, Västerås, Sweden and at the Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia (year 2009/2010). For all other purposes, authors’ written permission is needed! The purpose of these materials is to help students in better understanding of lectures in DSD and not their replacement! NOTICE!

2 Distributed Software Development

3 QR Marks the The Team Final Presentation

4 Agenda 1.Project Overview 2.Demo 3.Project Details 4.Experiences and Lessons 5.Analysis

Project Overview QR Codes Website Use of QR Codes which contains short messages such as URL, puzzle etc Web 2.0 Integration with Google Map, Facebook etc Communica tion Facilitate exchange of information between end users. Real and Virtual World Partially takes place in real world.

Wanna Bike!!! 6 (x, y) the Read the QR Code Check into the website Ride Ride Ride Check Out Update the GPS co- ordinates Check online for the nearest bike

Demo

System Specifications

System Architecture

Why MVC? Easy to develop and maintain every part independently. Design oriented developer can concentrate on View section Business logic oriented developer can concentrate on Controller section. Database expert can focus on Model section

Why Cakephp? Cakephp is MVC framework It is license free. PHP is an easy language to learn and it has a lot of features. Good manual available at

Technical Challenges – Loading page content without refreshing or reloading for user interface. – Some time more dynamic, require data set instead of a html page. It was needed for Google Map functionality. – Functionality of accessing of a remote side as a client in the case of Forum and Twitter

AJAX Solution

AJAX and XML Solution

Curl Solution Client Url Function Library. PHP supports through libcurl. – Simultaneous user registration both in Wannabike and forum. – Status messages and comments are updated to Twitter and Forum by using Wannabike user interface

Using third party components Google API Mobile or desktop user agent detection QR code generator All used as a component. We have communicated with all of the components though building our own component class

Mile Stones

Working Hours

Division of Work Lead Developer Cake PHP Siblee Project Management Sriram System Administration & Component Integration Soumya Google Maps Umair & Sriram Forum and Twitter Atif & Haroo n

Lessons Learnt Developing software is a team effort. Exposure to every phase in SDLC. Deadlines and the art of presentation

Challenges Project Description was loosely bound. High level requirements were only defined. Some different idea which is innovative and takes place in both real and virtual world. The idea should be different in some way and should focus on the use of QR Code. The team with the help and support of Marin came up with idea of Wannabike

All the team members were from different technological backgrounds Soumya : J2EE, Unix Sriram : SAP ABAP Umair, Atif : Dot Net Siblee : PHP, J2EE Haroon : Networking and Hardware systems Challenges

Integration of fully working sub modules into the main block of code.. Challenges

The team faced language barriers and problems in communicating effectively Challenges

If we could turn back time Use of the News section in DSD website More Formal meetings Use of a professional project management tool. What kept us going Remote Supervisor Good Team spirit and work ethics

Wannabike

Real Life Avatars Car sharing, an alternative to car rental and car ownership

““No duty is more urgent than that of returning thanks.” -- James Allen Ahti Heinla jaan_tallinn Priit Kasesalu Sergey-BrinLarryPage Marin