1. Jonathan Riddell Canonical Kubuntu Ubuntu KDE jriddell@ubuntu.com
Qt and Qt Quick
Jonathan Riddell
Canonical
Kubuntu
Ubuntu
KDE

2. A GUI toolkit to get passionate aboutQt
A GUI toolkit to get passionate about
Cross platform
Free Software culture
Open Development
LGPL or “commercial”
API is everything

3. Qt
Nokia

4. Qt
Used to make KDE,
Scribus, Google Earth, Adobe Photoshop Elements, Skype, HP Printer Tools...
Most uses are internal

5. Hello World #include <QtGui/QApplication>
#include <QtGui/QLabel>
int main(int argc, char *argv[]) {
QApplication a(argc, argv);
QLabel label("Hello World");
label.show();
return a.exec(); }

6. Cross Platform Write once compile for: Windows
GNU/Linux, KDE, Gnome, Meego
Every other Unix
Mac
Symbian
Windows CE
Android

7. Hello Python World from PyQt4.QtGui import * app = QApplication([])
label = QLabel("hello world")
label.show()
app.exec_()

8. Designer Slots and Signals
Hello World 2
Designer
Slots and Signals

9. More modules QtCore QtGui Phonon QtNetwork QtOpenGL QtScript QtSql
QtSvg
QtWebkit
QtXml
QtTest
QtDBus
QtDeclarative

10. QML QtDeclarative Qt Quick Designer

11. Hello Qt Quick World import Qt 4.7 Rectangle { width: 200 height: 200
Text {
x: 66
y: 93
text: "Hello World" }

12. Components Transitions
Hello Qt Quick World 2
Components
Transitions

13. Qt Quick Examples
Kontact Mobile

14. Qt Quick Examples

15. Qt Quick Examples
Samegame
Text
10.10

16. Questions? Qt, Qt Quick, KDE, Ubuntu, Kubuntu, Canonical...
Qt and Qt Quick
Questions?
Qt, Qt Quick, KDE, Ubuntu, Kubuntu, Canonical...