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Android Overview
Android Overview
Why Mobile App Development
Why Mobile App Development
Why Android
Why Android
Why Android
Why Android
Types of Android Devices
Types of Android Devices
Various Android Phones
Various Android Phones
Galaxy Note 3
Galaxy Note 3
Galaxy Tablet
Galaxy Tablet
Android-Powered Microwave
Android-Powered Microwave
Android-Powered Watch
Android-Powered Watch
Android-Powered Camera
Android-Powered Camera
Android-Powered TV
Android-Powered TV
Android-Powered Car Radio
Android-Powered Car Radio
Android-Powered Washing Machine
Android-Powered Washing Machine
Android-Powered PC
Android-Powered PC
Brief History
Brief History
Brief History
Brief History
Brief History - Android
Brief History - Android
Brief History cont
Brief History cont
Brief History cont
Brief History cont
Brief History cont
Brief History cont
Distribution of Devices
Distribution of Devices
Distribution of Devices
Distribution of Devices
What is Google Android
What is Google Android
Android Architecture
Android Architecture
Mobile Devices: Advantages
Mobile Devices: Advantages
Mobile Devices: Disadvantages
Mobile Devices: Disadvantages
Mobile Applications
Mobile Applications
Android Apps
Android Apps
Development process for an Android app
Development process for an Android app
Building and running
Building and running
Building and Running
Building and Running
Applications Are Boxed
Applications Are Boxed
Android Architecture
Android Architecture
Publishing and Monetizing
Publishing and Monetizing
Android Market (Google Play)
Android Market (Google Play)
Publishing to Google Play
Publishing to Google Play
Android Overview
Android Overview
Android Overview
Android Overview
Android Design Philosophy
Android Design Philosophy
Other design principles
Other design principles

: Android Overview. : Josh Dehlinger. : Android Overview.ppt. zip-: 5068 .

Android Overview

Android Overview.ppt
1 Android Overview

Android Overview

Dr. Siddharth Kaza Dr. Josh Dehlinger

2 Why Mobile App Development

Why Mobile App Development

The fact that we can! Only a few years ago you had to be in the Motorola inner circle to do it! Mobile platform is the platform of the future Double-digit growth in world-wide smartphone ownership3 Job market is hot Market for mobile software surges from $4.1 billion in 2009 to $17.5 billion by 20121 2010 Dice.com survey: 72% of recruiters looking for iPhone app developers, 60% for Android1 Dice.com: mobile app developers made $85,000 in 2010 and salaries expected to rise2 Students (and faculty!) are naturally interested!

1 http://www.businessweek.com/technology/content/oct2010/tc20101020_639668.htm 2 http://it-jobs.fins.com/Articles/SB129606993144879991/Mobile-App-Developers-Wanted-at-Ad-Agencies 3http://www.gartner.com/it/page.jsp?id=1466313

3 Why Android

Why Android

A lot of students have them 2010 survey by University of CO1: 22% of college students have Android phone (26% Blackberry, 40% iPhone) Gartner survey2: Android used on 22.7% of smartphones sold world-wide in 2010 (37.6% Symbian, 15.7% iOS) Students already know Java and Eclipse Low learning curve CS0 students can use App Inventor for Android

1http://testkitchen.colorado.edu/projects/reports/smartphone/smartphone-appendix1/ 2http://www.gartner.com/it/page.jsp?id=1543014

4 Why Android

Why Android

Its not 1984

Transferring app to phone is trivial Can distribute by putting it on the web Android Market (now Google Play) for wider distribution

5 Types of Android Devices

Types of Android Devices

6 Various Android Phones

Various Android Phones

7 Galaxy Note 3

Galaxy Note 3

8 Galaxy Tablet

Galaxy Tablet

9 Android-Powered Microwave

Android-Powered Microwave

By Touch Revolution at CES 2010

http://www.pocket-lint.com/news/30712/android-powered-microwave-cooking-google

10 Android-Powered Watch

Android-Powered Watch

11 Android-Powered Camera

Android-Powered Camera

12 Android-Powered TV

Android-Powered TV

13 Android-Powered Car Radio

Android-Powered Car Radio

14 Android-Powered Washing Machine

Android-Powered Washing Machine

15 Android-Powered PC

Android-Powered PC

16 Brief History

Brief History

1996 The WWW already had websites with color and images But, the best phones displayed a couple of lines of monochrome text! Enter: Wireless Application Protocol (WAP) stripped down HTTP for bandwidth reduction Wireless Markup Language (WML) stripped down HTML for content

17 Brief History

Brief History

Many issues (WAP = Wait And Pay) Few developers to produce content (it wasnt fun!) Really hard to type in URLs using the small keyboards Data fees frightfully expensive No billing mechanism content difficult to monetize Other platforms emerged Palm OS, Blackberry OS, J2ME, Symbian (Nokia), BREW, OS X iPhone, Windows Mobile

18 Brief History - Android

Brief History - Android

2005 Google acquires startup Android Inc. to start Android platform Work on Dalvik VM begins 2007 Open Handset Alliance announced Early look at SDK 2008 Google sponsors 1st Android Developer Challenge T-Mobile G1 announced SDK 1.0 released Android released open source (Apache License) Android Dev Phone 1 released

19 Brief History cont

Brief History cont

2009 SDK 1.5 (Cupcake) New soft keyboard with autocomplete feature SDK 1.6 (Donut) Support Wide VGA SDK 2.0/2.0.1/2.1 (Eclair) Revamped UI, browser 2010 Nexus One released to the public SDK 2.2 (Froyo) Flash support, tethering SDK 2.3 (Gingerbread) UI update, system-wide copy-paste

20 Brief History cont

Brief History cont

2011 SDK 3.x (Honeycomb) Optimized for tablet support SDK 4.0 (Ice Cream Sandwich) Virtual UI buttons 2012 SDK 4.1.1 (Jelly Bean) Triple buffered graphics pipeline

21 Brief History cont

Brief History cont

2011 SDK 3.0/3.1/3.2 (Honeycomb) for tablets only New UI for tablets, support multi-core processors SDK 4.0/4.0.1/4.0.2/4.0.3 (Ice Cream Sandwich) Changes to the UI, Voice input, NFC

Ice cream Sandwich Android 4.0+

Jelly Bean Android 4.1.1

22 Distribution of Devices

Distribution of Devices

Data collected during a 14-day period ending on January 3, 2012 http://developer.android.com/resources/dashboard/platform-versions.html

23 Distribution of Devices

Distribution of Devices

http://developer.android.com/resources/dashboard/platform-versions.html

24 What is Google Android

What is Google Android

A software stack for mobile devices that includes An operating system Middleware Key Applications Uses Linux to provide core system services Security Memory management Process management Power management Hardware drivers

25 Android Architecture

Android Architecture

More details at: http://developer.android.com/guide/basics/what-is-android.html

26 Mobile Devices: Advantages

Mobile Devices: Advantages

Always with the user Typically have Internet access Typically GPS enabled Typically have accelerometer & compass Most have cameras & microphones Many apps are free or low-cost

27 Mobile Devices: Disadvantages

Mobile Devices: Disadvantages

Limited screen size Limited battery life Limited processor speed Limited and sometimes slow network access Limited or awkward input: soft keyboard, phone keypad, touch screen, or stylus Limited web browser functionality Range of platforms & configurations across devices link

28 Mobile Applications

Mobile Applications

What are they? Any application that runs on a mobile device Types Web apps: run in a web browser HTML, JavaScript, Flash, server-side components, etc. Native: compiled binaries for the device Often make use of web services

29 Android Apps

Android Apps

Built using Java and new SDK libraries No support for some Java libraries like Swing & AWT Java code compiled into Dalvik byte code (.dex) Optimized for mobile devices (better memory management, battery utilization, etc.) Dalvik VM runs .dex files

30 Development process for an Android app

Development process for an Android app

http://developer.android.com/guide/developing/index.html

31 Building and running

Building and running

ADB is a client server program that connects clients on developer machine to devices/emulators to facilitate development. An IDE like Eclipse handles this entire process for you.

Compiled resources (xml files)

Android Debug Bridge

http://developer.android.com/guide/developing/building/index.html#detailed-build

32 Building and Running

Building and Running

33 Applications Are Boxed

Applications Are Boxed

By default, each app is run in its own Linux process Process started when apps code needs to be executed Threads can be started to handle time-consuming operations Each process has its own Dalvik VM By default, each app is assigned unique Linux ID Permissions are set so apps files are only visible to that app

34 Android Architecture

Android Architecture

35 Publishing and Monetizing

Publishing and Monetizing

Paid apps in Android Market, various other markets Free, ad-supported apps in Android Market Ad networks (Google AdMob, Quattro Wireless) Sell your own ads Services to other developers Ex. Skyhook Wireless (http://www.skyhookwireless.com/) Contests (Android Developer Challenge) Selling products from within your app

36 Android Market (Google Play)

Android Market (Google Play)

https://play.google.com/store Has various categories, allows ratings Have both free/paid apps Featured apps on web and on phone The Android Market (and iTunes/App Store) is great for developers Level playing field, allowing third-party apps Revenue sharing

37 Publishing to Google Play

Publishing to Google Play

Requires Google Developer Account $25 fee Link to a Merchant Account Google Checkout Link to your checking account Google takes 30% of app purchase price

38 Android Overview
39 Android Overview
40 Android Design Philosophy

Android Design Philosophy

Applications should be: Fast Resource constraints: <200MB RAM, slow processor Responsive Apps must respond to user actions within 5 seconds Secure Apps declare permissions in manifest Seamless Usability is key, persist data, suspend services Android kills processes in background as needed

41 Other design principles

Other design principles

http://developer.android.com/design/index.html Great reference!

Android Overview
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