Presentation delivered at "rts Embedded Systems 2012", Paris, France, 3-5 April 2012

1. Learn how to develop
applications and UIs
with Qt Commercial
An introduction to the most powerful cross-platform
application and UI framework for commercial development
on desktop and embedded
4/20/2012 © 2012 Digia Plc

2. Today’s Speaker
Nils Christian Roscher-Nielsen
Pre Sales Engineer
Digia, Qt Commercial
nils.roscher-nielsen@digia.com

3. Agenda
• Brief introduction to who we are
• What is Qt Commercial?
• Modules of Qt, what can be done with Qt Commercial?
• How to work with Qt
• Questions and some Answers.

4. Digia, Qt Commercial: A Brief Introduction
THE ORGANIZATION - DIGIA THE TECHNOLOGY
• Digia Plc acquired Qt Commercial Licensing • A C++ based cross-platform application
and Support services in March 2011 from and UI framework
Nokia • Used by more than 400,000 developers in
70+ industries
• Worldwide leading Qt application and
UI development, testing and UX design • Backed by Qt Commercial in-house
services and consulting company with 7 development, support, consulting and
international locations training
• Digia has 10+ years of Qt experience
• 11 offices, 1100+ employees with 175+ in-
house Qt experts
• Trusted by over 5,000 customers worldwide
© 2012 Digia Plc

5. We Are the One-Stop Shop for All Qt
Development Needs
• Digia is the Exclusive Provider of Commercial Licensing - Worldwide
• Including maintenance, support & updates
• Customer-focused Research & Development
• Exceptional technical support team
• Design & architecture professional services
• In-house UX team
• Worldwide Qt training

6. Digia Qt Commercial Charter
• Digia only does embedded and desktop licensing
• No mobile licensing
• Digia owns the R&D for non-Nokia platforms
• Digia has invested in our own build, test and release system
• Digia is maintaing support and functionality not on Nokia’s roadmap
• We are customer driven
• Only Digia provides Standard Support for Qt
• This is a 2-way partnership

7. Extensive Qt Expertise
• Unmatched Track-Record In Qt • Getting Started with Qt Commercial
For world class solution deliveries
• Seasoned training professionals
• Winning Product Solutions • Widely used by industry top tier
• Deep hands-on technology insight
• Excellent customer satisfaction
• Qt Certified competences
• World class project delivery
• Extensive product SW integration • Stunning Application Experiences
capabilities (e.g. 30+ smartphone • Creative User Experience (UX) design
integrations in mobile segment) team
• Widest Qt Services Portfolio For value- • Mastering benefits of Qt & Qt Quick
add and getting things done
• UX and developers in same Agile teams
© 2012 Digia Plc

8. Advanced Qt Professional Services Offerings
• Project Level Consulting • New Qt libraries
• Onsite and Customized Qt Training • Qt API extensions
• Qt application creation and porting • Optimizations and extensions to Qt
libraries
• Qt UI & graphics design
• Qt adaptation to new embedded
• Qt themes and customization device
• New Qt widgets

9. Qt is Used Everywhere
FROM EMBEDDED DEVICES TO 5000+ COMPANIES FROM
DESKTOP APPLICATIONS MANY INDUSTRIES USE Qt
© 2012 Digia Plc

10. Qt Powers Industry Leading Software on
Desktop ...
ADOBE PHOTOSHOP ELEMENTS SKYPE GOOGLE EARTH
© 2012 Digia Plc

11. Where There’s a User Interface... There’s
Qt Commercial
ADVANCED INFO CENTERS NETWORK ANALYZERS MEDICAL DEVICES SECURITY AUTOMATION
DIGTIAL PHOTO FRAMES REFRIGERATORS SET TOP BOXES INDUSTRIAL/UMPCS
& COFFEE MACHINES
And many, many more ...
© 2012 Digia Plc

12. ... Serving Many Industries for Desktop &
Embedded Platforms
• Aerospace and defense
• Automotive
• Animation, gaming and visual
effects
• Chipset manufacturers
• Consumer electronics
• Industrial automation
• Oil and gas
• Medical
• CAD/CAM/EDA
© 2012 Digia Plc

13. What is Qt Commercial?
C++ CROSS-PLATFORM APPLICATION AND UI
DEVELOPMENT FRAMEWORK
Cross-
Integrated Cross-
Platform
Development Platform
Class Tools IDE
Library
© 2012 Digia Plc

14. Qt Commercial Stack
Framework Tools
Core Multimedia Network Cross-platform IDE
GUI Database Unit Tests GUI Designer
WebKit OpenGL Benchmarking I18N tools
Help system
Graphics View Qt Quick Mobility
Build tool
Scripting XML ActiveQt Visual Studio Integration
dbus
Cross-platform
Embedded Linux
support
INTEGRITY
Embedded
Linux/X11
Windows
Mac OS X
Windows
VxWorks
Unix
QNX
Qt Commercial Services Support, Consulting & Training
© 2012 Digia Plc

15. Contents of Qt
• Cross-platform Qt consists of ~15 modules
• A little bit less than 700 API classes, all modules depend on QtCore
• Additionally 3 platform specific modules: QAxContainer, QAxServer, QtDBus
• Build Tools
• Configure, qmake, moc, uic and rcc
• Development Tools
• Qt Creator, Qt Designer, Qt Assistant, Qt Linguist
=> Qt Creator IDE
QtOpenGl QtOpenVG QtSvg QtWebKit QtXmlPatterns Qt3Support
QtMobility APIs
QtGui QtSql QtXml QtNetwork QtScript Phonon QtMultimedia
QtCore

16. Qt Apps are Native
• Wrappers around native services Application 1 Application 2 Application 3
• Native compiler
• Possibility to mix code
• Native performance, no
runtimes/sandboxes! Qt APIs
Qt
• Latest version of Qt Commercial is 4.8.0
Qt/Windows Qt/Mac Qt /Linux
Win32 GDI Carbon / X11
Cocoa
Windows Mac Linux Kernel
Kernel
HW
© 2012 Digia Plc

17. Integrating with Native Tools
Qt Project
qmake App
Makefile GCC in
[Linux/X11] Linux
Qt/C++
Qt/C++
Qt/C++
code .pro
code
code
files
files
file
files
qmake App
Cross in
Makefile
[Embedded compiler Target HW
Linux]
Native tool chains
Other
IDE /
Code
Editor
Qt Creator
© 2012 Digia Plc

18. Qt Commercial Product Structure
© 2011 Digia Plc

19. Validated Desktop and Embedded
Platforms
© 2011 Digia Plc

20. Highlights of Qt Commercial Releases
4.6 4.7 4.8
• Expanded support for • Performance optimization • Performance and quality
embedded development • New Qt Mobility APIs improvements
• Enablers for cutting edge UI • Qt Creator • Desktop and embedded
development • Qt Quick specific improvements
• OpenVG graphics • Significant WebKit • New WebKit
• Stability and reliability improvements • Platform abstraction
improvements • HTML5 support • New supported platforms
5.0
• Binary break, mostly source compatible
• Qt Quick 2 with V8 JavaScript Engine and OpenGL based graphics
architecture
• C++ Widgets still supported and do not require OpenGL
• Modularization allows easier configuration
• WebKit 2 engine architecture available, WebKit 1 API supported
• Improved contribution tools and processes
© 2012 Digia Plc

21. Qt Cross-Platform Developer Offering:
Not just a GUI toolkit
Presentation QtGui QtSVG QtQuick 1.1 QtOpenGL
QtDeclarative QtWebkit
Engine QtMultimediaKit
QtMobility
QtCore
QtNetwork APIs
Data QtSql QtXML
© 2012 Digia Plc

22. Build Advanced User Interfaces, Faster
• GUI functionality
• Complete and customizable set of user interface controls
• Dynamic layout system: adapts to screen size and orientation
• Widget stylesheets for simple UI customization
• Rapidly style the UI with only a few lines of CSS code
• Advanced visualization
• Tight integration with OpenGL® and OpenGL ES for powerful
3D graphics
• Powerful 2D graphics canvas
• Build advanced interfaces with zoom, rotation and full interaction
• Advanced paint engine
• Utilize transparency, alpha blending, anti-aliasing and more
© 2012 Digia Plc

23. Stylable QWidgets – Medical Use Case
© 2012 Digia Plc

24. Real Life Use Case: Avinger

25. Example, 3D and Automotive UI
© 2012 Digia Plc

26. Build Advanced User Interfaces, Qt Quick
• Complete UI creation Kit for developers and designers
• Ideal for iterative development of expressive, animated, modern UIs with high performance
• QML - CSS & JavaScript like language, same code base for UI designers & developers
• Qt Quick UI runtime - Direct access to native APIs, performance boost with C++
© 2012 Digia Plc

27. QtQuick – Automotive IVI Use Case
Qt Quick UI (QML)
OpenGL
Qt/C++ Backend
Extra wrappers
Native OS Services
© 2012 Digia Plc

28. Getting Started Yourself!
4/20/2012 © 2012 Digia Plc

29. 1. http://qt.digia.com
2. 3.
© 2012 Digia Plc

30. Qt Commercial SDK
• A convenient bundle of
• Qt Creator 2.4.0 IDE
• Qt Commercial libraries 4.8.0
• Cross-compiler tool chain for embedded Linux development
• Example embedded Linux distributions to Beagleboard-xM and PandaBoard
• Updater
• We have added a video showing how to use the Embedded Linux cross compilation tool chain.
• Let’s take a look at Qt Creator!
© 2012 Digia Plc

31. Working with Qt Creator
© 2012 Digia Plc

32. Learn How To Use Qt Commercial
• Calendar: qt.digia.com > Events
• Get Started Training Seminar
An intensive three-hour technical introduction to Qt
(Registration is free of charge, but seating is
limited)
• Open Enrolment Training Course
A five-day in-depth training course based on theory Should you like a Training
and hands-on experience using Qt and QML in Seminar/Course to be
cross-platform application development conducted in your area, please
contact us at:
qt.info@digia.com

33. Thank You!
nils.roscher-nielsen@digia.com
qt.info@digia.com
qt.digia.com
Blog: qt.digia.com/qtcommercialblog
Twitter: @Qtcommercial
4/20/2012 © 2012 Digia Plc