Nokia Developer Offering Update - presentation given by Forum Nokia at the N8 Launch event in London on August 3rd, 2010. An overview of the new Nokia Developer Experiences, new Forum Nokia website, and Qt SDK / Mobility.

1. Developer Offering Update
Janaina Pilomia
Forum Nokia
05 August, 2010
v2.0a

2. 05.08.2010 © 2010 Nokia 2
It s
It’s all about the
apps in Ovi Store,
for people
people.
Not platforms. Not
runtimes. Not technologies.
Everything Nokia does helps
developers put great apps to Ovi
Store t
St to make money.
k

3. 05.08.2010 © 2010 Nokia 3
We structure around
creating amazing apps.
ti i
Concept and planning + All you need to transform Ovi Store – a truly
learn how to improve UX ideas into apps global marketplace

4. 05.08.2010 © 2010 Nokia 4

5. © 2010 Nokia
Relevant
Dynamic
Personal

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Design Center
g
forum.nokia.com/designcenter

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Nokia is simplifying the offering
p y g g
Java apps
Web apps
Native apps

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Devices and Platforms,, clarified.
Phones Smartphones
p Computers
p
(Series 40) (Symbian) (Maemo / MeeGo)
Develop Java apps
Develop Native Apps
Develop Web Apps Develop Web Apps

11. 05.08.2010 © 2010 Nokia 11
Q
Qt in a Nutshell
Qt is a framework for cross-
platform UI and application
development, based on C++.
Qt has delivered hundreds of
apps to the desktop and
embedded worlds. Now Qt lets
developers create sophisticated,
sophisticated
responsive, and appealing
mobile apps.

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Nokia Qt SDK
Q
• One-Click installation:
– Development tools
– Build for and debug in real devices
• Symbian
• Maemo / MeeGo*
– Test on host PC
• Simulator
Si l t
– Qt Mobility
• No extra device SDKs required anymore

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Q
Qt Mobility
y
• Qt: Desktop → Mobile
i f
• Requires new APIs for
– Sensors
– Location
L ti
– Messaging
– etc
etc.
• Qt Mobility: new cross-platform APIs for mobile use cases
– Back-end implementation on all platforms where it makes sense

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Smart Installer
• Distribute Qt apps on Symbian devices
– Qt pre-installed Symbian^3 onwards
i ll d bi d
– Solution for pre-Symbian^3:
installation / update on demand
– Package Smart Installer with your app
• Try it out
– http://wiki.forum.nokia.com/index.php/Nokia_Smart_Installer_for_Symbian

15. The Future of Qt
Q

16. © 2010 Nokia 16
Q Q
Qt Quick (Q User Interface Creation Kit)
(Qt )
• Create UIs as a designer
– Without C++ k
ih knowledge
l d
– Using visual tools
– M d l D l
Module: Declarative UI
ti
– Based on QML language
(extension to JavaScript)
– Supported in Qt 4.7
– http://blog qt nokia com/2010/02/15/meet-qt-quick/
http://blog.qt.nokia.com/2010/02/15/meet qt quick/

17. © 2010 Nokia 17
Q
QML
• Describe UI by tree structure of property bindings
– Properties d
i dynamically evaluated
i ll l d
– Communication through
Rectangle {
signals & slots width: 200
id h
– Bindings to C++ code possible height: 200
color: "white"
– Animate properties using states Image {
source: "pics/logo.png"
and transitions anchors.centerIn: parent
}
}

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Q
Qt Web Runtime
Web application framework, on top of Qt and Qt WebKit, which will enable
web apps to be more powerful than before
before.
– W3C-standards-based web runtime
– HTML 5 CSS 3
5,
– Open source
http://labs.trolltech.com/blogs/2010/07/19/the-qt-web-runtime-journey-begins/
http://download.qt.nokia.com/qtwrt/

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Publishing to Ovi Store
• Individuals can now register as Ovi
Publishers
• Public beta of Nokia signing Symbian
apps for free
• Ovi Store intake for Qt apps*

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Links
Public beta of Nokia signing Symbian apps for free
http://mobileperry.com/?p=319
http://www.forum.nokia.com/Distribute/Packaging_and_signing.xhtml#article0
http://www forum nokia com/Distribute/Packaging and signing xhtml#article0
Individuals can now register as publishers for Ovi Store
p p y p
http://mobileperry.com/?p=304
Nokia Smart Installer for Qt apps for Symbian devices
Nokia QT SDK 1.0
http://www.forum.nokia.com/Develop/Qt/ (under highlights section)
Ovi Store intake for Qt apps
http://www.forum.nokia.com/Distribute/Packaging_and_signing.xhtml#article1_a

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Platform Positioning
g

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Platforms Windows
Mac OS
Linux / X11
C++ Embedded Linux
Windows CE
Maemo / MeeGo
Java Symbian
Python
Ada
Pascal Maintained by y
Perl
P l Qt open source community.
PHP Not officially supported by Qt Development Frameworks.

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Nokia Qt SDK: Simulator
Q
• Efficient Testing
– Quick launch
– Scripting possibilities
• Using JavaScript
– Simulate Qt Mobility Project features
• Location, contacts, etc.
– Simulate phone events
p
• Battery, messages, etc.
– Skins for different platforms / form-factors
• Resolutions, orientation
Resolutions orientation, etc.

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On-Device Debugging
gg g
Debugging host:
Qt Creator
TRK

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On-Device Debugging: Step by Step
gg g p y p
Install & run debugging agent
application (on device)
– Symbian TRK
– Maemo Mad Developer
USB connection and configuration
Build,
Build deploy and debug application!

28. 05.08.2010 © 2010 Nokia 28
Platform Compatibility – Qt Mobility 1.0.0
p y Q y
API Maturity S60 3rd Ed., S60 3rd Ed., Windows Windows
S60 5th Ed. Symbian^3 Maemo 5 Linux Mac OS-X
Level FP1 FP2 CE/Mobile XP/Vista
Service FW Final
Messaging Final
Bearer
Final
Management
Publish and
Final
Subscribe
Contacts Final
Location Final
Multimedia Beta
System
Final
Information
Sensor Final
Versit Final

29. 05.08.2010 © 2010 Nokia 29
Example Mobility Scenario
p y
• Fall Detector
– Detect if phone / person falls down
– Send emergency email to predefined contact
with current position
• Required Mobility APIs
– Sensors (Acceleration)
– L
Location (GPS)
ti
– Contacts (address book)
– Messaging (email)