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Fun with QML and JavaScript Mobile Apps for MeeGo Rajesh Lal MeeGo Team, Nokia Silicon Valley

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Fast Development on + =QML JavaScript Mobile Apps

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Mobile Apps Download Paid http://distimo.com Free By 2013 Total Revenue $29 billion+ Source: Gartner

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What is MeeGo is a Linux-based open source mobile operating system Targeted to mobile devices & consumer electronics

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What makes Exciting ? Fully Open Source Linux Foundation Available TodayTarget Multiple devices MeeGo V1.1 - Handsets MeeGo V1.1 - Net books MeeGo V1.1 - In-Vehicle Infotainment … and SmartTV, IPTV-boxes, Tablets

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MeeGo Development Environment • Qt Application Framework • IDE – Qt Creator • Qt Quick & QML • Qt UI Designer • Qemu Emulator • Smartphone Simulator Available Today … and we have a device to test

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3 Steps to Develop FAST on MeeGo + = Cutting-edge UI Rich Features Mobile AppsQt Quick & QML JavaScript Fast

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4 Mobile Apps for MeeGo Popularity Effort on MeeGo

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1/4 News Apps on MeeGo CNN News

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1/4 News Apps on MeeGo XML Display UI List/Grid Reader (Delegate) View

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1/4 News Apps on MeeGo XML Reader http://rss.cnn.com/rss/magazines_fortune.rss

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1/4 News Apps on MeeGo XML Reader

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1/4 News Apps on MeeGo Display UI (Delegate) Delegate is a component that creates an instance for each item in the model

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1/4 News Apps on MeeGo Delegate

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1/4 News Apps on MeeGoListView

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1/4 News Apps on MeeGo ListView Grid View

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1/4 News Apps on MeeGo Demo

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2/4 Social Apps on MeeGo Access REST Auth. Edit API Welcome Data

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2/4 Social Apps on MeeGo Login thread CallLogin (name,pwd) Remote AJAX Login JSON API Call Worker Script CloudFrom QML

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2/4 Social Apps on MeeGo 1. API Call 2. Login thread instance 3. Worker Script 4. Login.js with AJAX

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2/4 Social Apps on MeeGo API Call

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2/4 Social Apps on MeeGo Login Thread Instance

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2/4 Social Apps on MeeGo ScriptLogin.QML (Actual Thread)

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2/4 Social Apps on MeeGo Login.js with AJAX

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3/4 Tools on MeeGo N900 Access Device Data

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3/4 Tools on MeeGo Device Qt Mobility JavaScript Data API Binding

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3/4 Tools on MeeGo JavaScript Expressions Import JavaScript Files Qt Mobility API JavaScript

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3/4 Tools on MeeGo: Clock.js

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3/4 Tools on MeeGo: QML Binding

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3/4 Tools on MeeGo: Qt Mobility QML Plug-ins Qt Mobility API Gallery Document Gallery API Location Location API Multimedia API includes audio and video Service Discovering and Framework connecting to services Messaging Messaging , email ,sms etc 30

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3/4 Tools on MeeGo: Multimedia import Qt 4.7 import QtMultimediaKit 1.1 ... Audio { id: myMedia source: “beethoven.wav" } MouseArea { id: playArea anchors.fill: parent onPressed: { myMedia.play() } } 31

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3/4 Tools on MeeGo: Location import Qt 4.7 import QtMobility.location 1.1 Rectangle { width: 500 height: 500 Map { id: myMap size.width: parent.width size.height: parent.height zoomLevel: 5 center: Coordinate { latitude: 101 longitude: 202 } } } 32

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3/4 Tools on MeeGo: Location Demo

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4/4 Fun and Games on MeeGo Angry Developer

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4/4 Fun and Games on MeeGo State Events Graphics Animation Binding

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4/4 Fun and Games on MeeGo Graphics Animation Binding Elements State Property Shapes Transitions JavaScript Text Transform. C++

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4/4 Fun and Games on MeeGo Playing Moving

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4/4 Fun and Games on MeeGo Missed Angry

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4/4 Fun and Games on MeeGo Destroyed Happy

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4/4 Fun and Games: QML Elements

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4/4 Fun and Games: State Change Playing Angry Happy Pig Moving Pig Destroyed

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4/4 Fun and Games: State Change

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4/4 Fun and Games: Ball Animation Bouncing Ball Animation Throw Transition

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4/4 Fun and Games: Bouncing Ball

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4/4 Fun and Games: Throw Transition

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4/4 Fun and Games: Logic Timers Pig’s Random Movement Hit or Miss

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4/4 Fun and Games: Pig Movement

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4/4 Fun and Games: Hit or Miss

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4/4 Fun and Games on MeeGo Demo Angry Developer

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3 Steps for FAST development on Develop Download Logic Qt SDK JavaScript Create UI QML

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Thank You Download MeeGo http://meego.com/downloads Get Qt SDK with Qt Quick http://get.qt.nokia.com Know MADDE http://wiki.maemo.org/MADDE Questions Rajesh.Lal@nokia.com @rajeshlalnokia