BookfriendAn introduction to the third year project of Carrie Hall

Outline

Context Application Project

Project Description

To design and develop a Google Android application

which creates a companion guide for any book

instantly and seamlessly from a wide range of sources

wherever the user may be.

Mashups

• Interactive web applications using content from multiple data sources

• Mashups create a new and innovative way of presenting data

Mashup (creates new view of data)

API’sRequest(REST, SOAP, AJAX)

Response(XML, JSON)

screen scrapingWebsite(text or

multimedia)

Mashup examples

SearchTheWebhttp://jurgenbrandse.nl/search/

Reading Radarhttp://readingradar.com/

Woozorhttp://woozor.com/

Mashup restrictions

• Limitation of public data• Reliability• Copyright• Data cleansing• Data meaning

Google Android

• Rapidly gaining share of smart-phone market• Open source with Apache License• Over 100,000 applications available for download

Oct '09 Dec '10 Jan '10 Feb '10 May '10 Jun '10 Sep '10 Nov '100

10

20

30

40

50

RIM Apple Microsoft Google Palm

%

Source: www.comscore.com

Mobilesubscribers

Android technologies

• Java and XML• Dalvik compiler and virtual machine• Core functionality capabilities• Location services

Applications

Dalvik VM

Linux 2.6.x(Kernel)

XMLlayout

Javacode

XML resources

Next stage..

Context Application Project

John Price ‘BookSnippets’

Comparison of John’s project

Quality

Quantity

Interactivity

Performance

My project John's project

Step-by-step

User enters a book, ISBN or

author

System displays most likely book to

user

User confirms book

System shows results to the user as they

come in

book title

Recommendations

Bookfriend - informational

Locations

Author Themes

Reviews

Localisation

Saving guides

Barcode scanningSearch books by location

Bookfriend - participationBookfriend – extra features

Screen Designs

Uses of bookfriend

Social Academic

InformationalFind similar booksLeave reviews

Book reportsHistorical background

System architecture

Screens

API’s

Book MashupFaçade

Façade design pattern getReviews()getSummaries()getAuthorInformation()

Data quality problem

How can the system react to ‘bad’ data, and how can it make it better?

User validation Data fallback

Context

Application

Project

Next stage…

Development

Requirements

Design

Implementation

Review

Iterative development using phases

Basecamp project management tool

Project plan

Key datesAPI’s20.12.2010

Localisation10.1.2011

Social interactivity 31.01.2011

Persistent storage20.02.2011

Progress

Screen setup

September October November December January February

Search by Location Scanning

Api Integration Api Integration

Localisation

Persistent storage

Social Interactivity

Completed Not completed

Learning outcomes

Practical Skills:• Java / XML• Web services and API’s• Android framework

Knowledge gain:• Project planning• Software engineering

Context Application Project

Summary

Further reading

@bookfriendappBlogbookfriend.posterous.com

www.bookfriend.co.uk

Any questions?