android using processing

8/20/2019 Android using processing

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2013

Society of Electrical

Engineers

Ahmed Nafies

[ANDROID CHAPTER # 1]


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What is Android

There's no other software quite like Android. Google engineered Android, and Google’s own

apps run best on it. And with millions of apps, games, songs, and videos on Google Play, Android is great

for fun, and for getting things done.

Android devices come in all kinds of sizes, with all sorts of features, and at all sorts of prices.

Each version of Android is named after a dessert, and the most recent version of Android is Jelly Bean.

With Android, you’re in control of your mobile experience.

Android is an operating system based on the Linux kernel, and designed primarily for touch

screen mobile devices such as smart phones and tablet computers. Initially developed by Android, Inc.,

which Google backed financially and later bought in 2005,- Android was unveiled in 2007 along with the

founding of the Open Handset Alliance: a consortium of hardware, software, and telecommunication

companies devoted to advancing open standards for mobile devices.- The first Android-powered phone

was sold in October 2008.

http://en.wikipedia.org/wiki/Android_%28operating_system%29#cite_note-AndroidAnnouncement-14http://en.wikipedia.org/wiki/Android_%28operating_system%29#cite_note-AndroidAnnouncement-14http://en.wikipedia.org/wiki/Android_%28operating_system%29#cite_note-AndroidAnnouncement-14http://en.wikipedia.org/wiki/Android_%28operating_system%29#cite_note-AndroidAnnouncement-14


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Android is Linux-based so what is Linux?

Linux is an operating system like windows but assembled under the model of free and open

source software development and distribution. The main form of distribution is “Linux distributions”.

The defining component of Linux is the Linux kernel, an operating system kernel first released on 5

October 1991, by Linus Torvalds. Because it considers Linux to be a variant of the GNU operating system,

initiated in 1983 by Richard Stallman, the Free Software Foundation prefers the name GNU/Linux when

referring to the operating system as a whole.

Linux was originally developed as a free operating system for Intel x86-based personal

computers. It has since been ported to more computer hardware platforms than any other operating

system. It is a leading operating system on servers and other big iron systems such as mainframe

computers and supercomputers as of June 2013, more than 95% of the world's 500 fastest

supercomputers run some variant of Linux, including all the 44 fastest. Linux also runs on embeddedsystems (devices where the operating system is typically built into the firmware and highly tailored to

the system) such as mobile phones, tablet computers, network routers, building automation controls,

televisions and video game consoles; the Android system in wide use on mobile devices is built on the

Linux kernel.


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Examples of Linux-Based operating systems

(like windows)


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Why develop applications for android?

According to Forbes, Over thepast quarter, of the mobile

devices sold, 64.1% are powered

by Google’s Android™ and only

18.8% are operated by Apple’s

iOS.

That's right, you are fighting all

those App Sharks for less than

20% of the market share while

missing the obvious 64% of the

Untapped Market!

On the AppStore you are competing for a

few expensive gadgets only (three types of

iPhones, three of iPads) while on the

Android™ you can have thousands of

supported phones from all price ranges,

affordable even to small guys!

According to the latest stats Android™

works on 3,997 distinct devices spanning

almost 600 brands!


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Are you paying an extra $97 per year for

Xcode development tools for the Appstore?

Forget it. It's free on google, called Eclipse!

Are you struggling with approval for your

App? Waiting for weeks in pain and fear?

Do you realize that you can spend

thousands and still get your app denied by

some crazy moderators?

Forget it, there is no approval bar in

Android™ Market. Get your app published

in less than an hour!

Are your struggling with copyrights and

licensing? It all stays in the past. Let the big

companies waste millions on patent wars!

Google Android™ is an Open Source

environment! Android™ source codes areopen to the developers!

Google Android™ app developers earned $125

Million in mobile display adds while iphone

guys earned less than 90 last year! Google is all

about PPC and advertising, that's where the

biggest revenues come!, You don't really have

to sell your app! It can be free to download

and still bring thousands!


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What Is meant By Software Editor

A Software Editor is a text editor program designed specifically for editing source code of

computer programs by programmers. It may be a standalone application or it may be built into an

integrated development environment (IDE).

The first editor used for android development using java was “eclipse”

Then Google made its own editor and called it “Android Studio”


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Processing is our Editor

Processing is an open source programming language and integrated development environment

(IDE) built for the electronic arts, new media art, and visual design communities with the purpose of

teaching the fundamentals of computer programming in a visual context, and to serve as the foundation

for electronic sketchbooks. The project was initiated in 2001 by Casey Reas and Benjamin Fry, bothformerly of the Aesthetics and Computation Group at the MIT Media Lab. One of the stated aims of

Processing is to act as a tool to get non-programmers started with programming, through the instant

gratification of visual feedback. The language builds on the Java language, but uses a simplified syntax

and graphics programming model.

The primary goal of this project is to make it foolishly easy to create Android apps using the

Processing API. Once you have Processing on your machine (and the Android developer tools), you can

simply write a line of code, hit Run (Ctrl-R or Cmd-R), and have your sketch show up in the emulator as aworking Android app. Select Run on Device (Ctrl-Shift-R or Cmd-Shift-R) to have it run on an Android

device that you have plugged into your machine. That's good stuff!


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Downloading and Installing Processing

Go to the following webpage:

https://processing.org/download/

Choose “No Donation” then download

https://processing.org/download/https://processing.org/download/https://processing.org/download/


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Choose you operating system

Click on the “Ok” button and wait for processing to be fully download it.


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Open the .rar file with “Winrar” or any unpacking tool and extract contents to your preffered

directory.

Open processing and enjoy


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“Run” Button to

build the code

Command

window to write

the codes

Processing modes

Android mode

And java mode


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The Android SDK (software Development Kit)

Android software development is the process by which new applications are created for the

Android operating system. Applications are usually developed in the Java programming language using

the Android Software Development Kit, but other development tools are available

The Android software development kit (SDK) includes a comprehensive set of development

tools. These include

Debugger

Libraries

handset emulator based on QEMU

documentation

sample code

Tutorials.


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Downloading and Installing the Java (JDK and

JRE)

Go to the following website and download both JRE and JDK

http://www.oracle.com/technetwork/java/javase/downloads/index.html

Incase that you are using windows 64-bit operating system choose JDK 32 and JDK 64

http://www.oracle.com/technetwork/java/javase/downloads/index.htmlhttp://www.oracle.com/technetwork/java/javase/downloads/index.htmlhttp://www.oracle.com/technetwork/java/javase/downloads/index.html


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Installing and Running the SDK

First go to following website choose “USE an Existing IDE” http://developer.android.com/sdk/index.html

http://developer.android.com/sdk/index.htmlhttp://developer.android.com/sdk/index.htmlhttp://developer.android.com/sdk/index.html


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Choose to agree on the terms and conditions then download


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Then open the downloaded files

Choose the APIs that you would like to develop apps for. Download all of the “SDK platform” and

“sources for SDK”

Make sure that you download all of the Extras


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Open Processing and choose add mode


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Choose to install android mode

Restart processing and change the mode to android

The following message box will appear

Then locate the android SDK folder

In my case it was:C:\Users\ahmed nafies\AppData\Local\Android\android-sdk


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Now you can find the android tab added and we can setup android Emulator

Setting the Java environment variables on windows to make sure that

everything works fine.

Locate the JDk which usually falls Under “C:\Program

Files\Java\Jdk ….”

Copy the Location of the JDK folder


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Open your computer and Right-click anywhere then select properties

Choose “advanced system settings”


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Click on “Environment variables”

Under “system Variables” press “new”

In the variable name write “JAVA_HOME” and paste the location of the JDk that you

have copied earlier in the variable value

Press “ok ” and search for “path”


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Then select edit

In the variable value at the end write semi-colon “;” and copy the location of the bin

folder located inside the JDK folder that we have opened earlier and paste the

location after the semi-colon “;”

Restart and you are ready to make android programs.

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