Shows the value of mobile apps, and explain what it takes to create your own. Focuses on Qt, licensing, app stores, cost of development etc. First given at FOSSDay2010 in Göthenburg

1. Mobile servicesMobile services
with Qtwith Qt
Espen RiskedalEspen Riskedal
November 2010November 2010

2. Purpose of this talk
Show the value of mobile apps,
and explain what it takes to
create your own.

3. Agenda
Why bother with apps?
What's so great about Qt?
What does an app cost?

4. Espen Riskedal
Masters from University of Bergen
6 years in Trolltech
2 years in NOKIA
Co-founded Cutehacks AS

5. Mobile apps
Symbian^3
MeeGo
Android

6. Why bother withWhy bother with
apps?apps?

7. 2008 2009 2010 2011 2012 2013 2014 2015 2016
0
5
10
15
20
25
30
ABI
Gartner
Juniper
Ovum
Futuresource
Booz & Company
Year
BilliondownloadsWorldwide app downloads
Sources http://slidesha.re/aIYxWn - «157 Mobile App Stats You Should Know About»

8. App stores
Apps 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

9. Nokia
Apple
Research in Motion
HTC
Sony Ericsson
Samsung
Others
Western European
market share 2nd
Quarter 2010Numbers from IDC http://bit.ly/9PrG1i

10. 2009 2015
0
10
20
30
40
50
60
70
80
90
100
Other
App World
(Blackberry)
OVI Store (Nokia)
Android Market
(Google)
App Store (Apple)
Year
Downloads(%)
Worldwide platforms
Source Ovum (http://bit.ly/9KyrAZ)

11. 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

12. Why bother with apps?Why bother with apps?
Because you reachBecause you reach
people in their daily life.people in their daily life.

13. What's so greatWhat's so great
about Qt?about Qt?

14. Helps you create applications
Developed since 1994
Official platform of Nokia

15. «Qt Everywhere»«Qt Everywhere»
qt.nokia.comqt.nokia.com
Image byImage by MaschinenraumMaschinenraum on flickr.comon flickr.com

17. YR on multiple devices:

18. HowTo: Make a Qt app
PC
A phone
Nokia Qt SDK
OVI account

19. Qt licensing
Commercial License
Open Source (LGPL)
Go to http://www.slideshare.net/qtbynokia/qt-licensing-explained
for more in depth information

20. Qt and open source
Open repository - qt.gitorious.org
7000 accounts on public bug tracker
Blog and roadmap
Merge requests
Community ports

21. What does anWhat does an
app cost?app cost?

22. Cost
Content
Design
Development
Maintenance
New versions

23. 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

24. Time schedule
~1 month for easier apps
~2-4 for more advanced

25. ConclusionConclusion

26. Mobile apps reach people
where 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

27. Flight times Weather forecast

28. You have the data.
Use it!

29. Thank you!
Questions?

30. http://cutehacks.comhttp://cutehacks.com
Brushed steel background by ppetrovic72 (flickr.com)