Welcome to Android!

Arjan Scherpenisse

MiracleThingshttp://miraclethings.nl/

10 september 2011

Overview

About me Android background – What and why System overview Installing the SDK Create your own game!

About me

Mixed background Computer science (AI, UvA class of 2005) Unstable Media Art (Rietveld, class of 2009)

Now: independent software developer Projects range from web development to “creative

media art”

hacking a knitting machine...

http://miraclethings.nl/id/852

...to knit the score board of a game

Playing ping-pong over the internet

...using a DIY pingpong-ball canon

Android background

Popular open-source mobile phone OS “all applications are equal model”

Application framework Webkit browser OpenGL for graphics SQLite for data storage Media support: audio, video, images, … Sensors: camera, GPS, compass, ...

Android building blocks

Activ i t ies Views Intents Services Notifications Content Providers AndroidManifest.xml

Android building blocks

Activ i t ies Stacked deck of cards Only one is visible Only one is active New activities are placed on top

Activities can be in different states Active, paused, stopped, dropped

Android building blocks

Views Basic building blocks, the

“controls” Know how to draw

themselves Respond to events

Android building blocks

Intents Used to move between Activities “I want to take a picture” “I want to open the highscore screen”

Installing the SDK

SDKDevelopment environment

1) Install Eclipse 3.6 2) Install Android SDK

Installation: step-by-step

First Eclipse: http://www.eclipse.org/downloads/ Choose: Ecl ipse Classic 3.7.1

Then Android SDK: http://developer.android.com/sdk/index.html

Then ADT plugin for Eclipse: In Eclipse: Help > Install New Software.... https://dl-ssl.google.com/android/eclipse/

When done, set “SDK Location” in Eclipse Android preferences

Android Emulator

Let's Snake!

What's next:

Create new project from example, “Snake” Try running it

in the emulator on your phone

Make the game cooler: Better collision detection New graphics? Change speed of the game, difficulty levels Highscores? …..