Series 40 Developer Training

Getting Started with 2D Game Development on Nokia Series 40 Asha Phones

Michael Samarin, Ph.D Director, Developer Training and Evangelism Futurice Oy +358 40 518 18 09 michael.samarin@futurice.com

@MichaelSamarin

Today’s Topics » Understanding Gaming Market for Series 40

» Where to get more information

» 2D Game APIs in Mobile Java

» Demo of 2D Game Building Concepts

» NetBeans 7.1 and Game Builder Plugin

» Walking Through Game Builder Sample

» Series 40 Devices and 2D Games Performance

Series 40 » 675 Million Devices

» 3.9 Million Daily Downloads

» Price range 35 – 140 Euro

» Gaming Studios to compete with: EA, Gameloft, Rovio, India Games

Nokia Developer Guides and Docs » http://www.developer.nokia.com/Resources/Library/Java/#!dev

elopers-guides/ui-and-graphics/game-api.html

6/4/2012

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Nokia Developer Guides and Docs

Oracle (Sun) Guides and Docs » http://developers.sun.com/mobility/midp/articles/gameapi/

» http://developers.sun.com/mobility/midp/articles/game/

» http://www.developer.nokia.com/Resources/Library/Java/#!developers-guides/ui-and-graphics/game-api.html

› Game API Package (MIDP)

› javax.microedition.lcdui.game › GameCanvas

› Layer

› LayerManager

› Sprite

› TiledLayer

› GameCanvas › Double buffered

› Convenient for minimizing code of game loop

› Methods for querying status of keys

› GameCanvas

public class MyCanvas extends GameCanvas implements Runnable {

public void run() {

Graphics g = getGraphics();

while(true) {

// update the game state

int k = getKeyStates();

// respond to key events

flushGraphics();

}

}

}

Live Demos:

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› Graphical Assets

› Graphical Assets – Sprite Star

› Graphical Assets – Sprite Lightning

› Layer › Abstract class, any visual game

element

› LayerManager

› Combines layers together, provides viewport

› Sprite › Animated game object

› TiledLayer

› Game areas, backgrounds

› Sprite

› Animated element of the game (character)

› Define Sequence, Delay

› Flip, Rotate

› Define Reference Point

› Detect Collisions

› TIledLayer

› Defines game backgrounds

› Can be animated

› Doesn’t have Sprite methods

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› NetBeans Game Builder Plug-In

Live Demos:

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Asha 303 Nokia 111

Consider

› Java Heap size (1 – 4 MB)

› JAR file size ( 1 – 2 MB)

› CPU speed

› Screen Size 240x 320, 320x240, 128x160

› Input Type: T9, Qwerty, Touch-And-Type

› Use Nokia Device Matrix

› Remote Device Access

Thank you!

@MichaelSamarin