Mobile services Mobile services with Qtwith Qt

Espen RiskedalEspen RiskedalNovember 2010November 2010

Purpose of this talkShow the value of mobile apps,

and explain what it takes to

create your own.

AgendaWhy bother with apps?

What's so great about Qt?

What does an app cost?

Espen RiskedalMasters from University of Bergen

6 years in Trolltech

2 years in NOKIA

Co-founded Cutehacks AS

Mobile appsSymbian^3

MeeGo

Android

Why bother with Why bother with apps?apps?

2008 2009 2010 2011 2012 2013 2014 2015 20160

5

10

15

20

25

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ABIGartnerJuniperOvumFuturesourceBooz & Company

Year

Billio

n do

wnl

oads

Worldwide app downloadsSources http://slidesha.re/aIYxWn - «157 Mobile App Stats You Should Know About»

App storesApps available Monthly downloads

(millions)

Apple App Store 280000 16.7

Android Market 90000 3.4

Nokia OVI Store 13000 2.5

Blackberry App World 10000 1

Source http://www.slideshare.net/snowpong/the-scandinavian-mobile-app-market/8

NokiaAppleResearch in MotionHTCSony EricssonSamsungOthers

Western Europeanmarket share 2nd Quarter 2010Numbers from IDC http://bit.ly/9PrG1i

2009 20150

10

20

30

40

50

60

70

80

90

100

OtherApp World (Blackberry)OVI Store (Nokia)Android Market (Google)App Store (Apple)

Year

Dow

nloa

ds (%

)

Worldwide platformsSource Ovum (http://bit.ly/9KyrAZ)

Created by apps.no

Created by shortcut.no

Weather forecasts at http://yr.no

- apps.no made a free iPhone version

- 600.000 downloads

- Norways population ~5.000.000

Public transport information at http://trafikanten.no/

- shortcut.no made a free iPhone version

- 47% of all traffic now generated from iPhones

Why bother with apps?Why bother with apps?

Because you reach Because you reach people in their daily life.people in their daily life.

What's so greatWhat's so greatabout Qt?about Qt?

Helps you create applications

Developed since 1994

Official platform of Nokia

«Qt Everywhere»«Qt Everywhere»qt.nokia.comqt.nokia.com

Image by Image by MaschinenraumMaschinenraum on flickr.com on flickr.com

YR on multiple devices:

HowTo: Make a Qt appPC

A phone

Nokia Qt SDK

OVI account

Qt licensingCommercial License

Open Source (LGPL)Go to http://www.slideshare.net/qtbynokia/qt-licensing-explainedfor more in depth information

Qt and open sourceOpen repository - qt.gitorious.org

7000 accounts on public bug tracker

Blog and roadmap

Merge requests

Community ports

What does anWhat does anapp cost?app cost?

CostContent

Design

Development

Maintenance

New versions

mobile OS Vendor solution

Apple / iOS Objective C and Cocoa Touch

Google / Android Java and Android SDK

Nokia / Symbian & MeeGo C++ and Qt

Blackberry / RIMOS Java and Blackberry SDK

Cross mobile development

Cross platform alternatives:Qt, HTML5/WRT, Mono/.NET, Flash, J2ME

Time schedule~1 month for easier apps

~2-4 for more advanced

ConclusionConclusion

Mobile apps reach peoplewhere they are

Qt makes them easier to develop,and works cross platform

Even if apps are for small screens,they still require a proper budget

Flight times Weather forecast

You have the data.

Use it!

Thank you!

Questions?

http://cutehacks.comhttp://cutehacks.com

Brushed steel background by ppetrovic72 (flickr.com)