Mobile Services with Qt

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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

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Mobile Services with Qt

  1. 1. Mobile servicesMobile services with Qtwith Qt Espen RiskedalEspen Riskedal November 2010November 2010
  2. 2. Purpose of this talk Show the value of mobile apps, and explain what it takes to create your own.
  3. 3. Agenda Why bother with apps? What's so great about Qt? What does an app cost?
  4. 4. Espen Riskedal Masters from University of Bergen 6 years in Trolltech 2 years in NOKIA Co-founded Cutehacks AS
  5. 5. Mobile apps Symbian^3 MeeGo Android
  6. 6. Why bother withWhy bother with apps?apps?
  7. 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. 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. 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. 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. 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. 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. 13. What's so greatWhat's so great about Qt?about Qt?
  14. 14. Helps you create applications Developed since 1994 Official platform of Nokia
  15. 15. «Qt Everywhere»«Qt Everywhere» qt.nokia.comqt.nokia.com Image byImage by MaschinenraumMaschinenraum on flickr.comon flickr.com
  16. 16. YR on multiple devices:
  17. 17. HowTo: Make a Qt app PC A phone Nokia Qt SDK OVI account
  18. 18. Qt licensing Commercial License Open Source (LGPL) Go to http://www.slideshare.net/qtbynokia/qt-licensing-explained for more in depth information
  19. 19. Qt and open source Open repository - qt.gitorious.org 7000 accounts on public bug tracker Blog and roadmap Merge requests Community ports
  20. 20. What does anWhat does an app cost?app cost?
  21. 21. Cost Content Design Development Maintenance New versions
  22. 22. 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
  23. 23. Time schedule ~1 month for easier apps ~2-4 for more advanced
  24. 24. ConclusionConclusion
  25. 25. 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
  26. 26. Flight times Weather forecast
  27. 27. You have the data. Use it!
  28. 28. Thank you! Questions?
  29. 29. http://cutehacks.comhttp://cutehacks.com Brushed steel background by ppetrovic72 (flickr.com)

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