Android Operating System

By

Ramesh Pawar

&

Udayan Thakurdesai

Guided by

Mr. Anil Chinchavade

Contents IntroductionMobile OSHistoryVersions & SummarySystem RequirementsArchitectureWhy so popularAdvantages & DisadvantagesConclusion & Future scope

Introduction What is Android?

• A software platform and operating system for mobile devices.

• As Smart phone OS, it is based on the Linux kernel.

• Android is Framework for developing mobile apps. Framework is set of Interfaces and classes .Framework follow the structure.

• Allows writing managed code in the Java language.

• Android is an open-source platform founded in October 2003 by Andy Rubin and backed by Google in November 2007.

• Developed by Google and later the Open Handset Alliance (OHA).

• Unveiling of the Android platform was announced on 5 November 2007(Android beta) with the founding of OHA.

4

A mobile operating system (OS) is a software that allows smart phones, tablet PCs and other devices to run applications and programs.

Examples

• Symbian OS• BlackBerry OS• Apple’s iOS• Windows Phone OS• Android OS

Mobile Operating System

HISTORY OF 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 Versions

Android Beta

First Version of Android. The focus of Android beta is testing incorporating usability. Android beta generally have many more problems on

speed and performance.

Android Astro 1.0 First full version of android. Released on September 23, 2008. Wi-Fi and Bluetooth support. Quite slow in operating. copy and paste feature in the web

browser is not present.

Android Cupcake 1.5 Released on April 30, 2009. Bluetooth auto-pairing. Copy and Paste feature added in the

web browser. Increased speed and performance but

not upto required level.

Released on September 15, 2009. Voice search and Search box were

added. Battery usage indicator. Typing is quite slower.

Android Donut 1.6

Android Éclair 2.0/2.1

Released on October 26, 2009.

Bluetooth 2.1 support. Multiple accounts can be

added for e-mail & contact synchronization.

Search Functionality for saved SMS & MMS.

No Adobe flash media support.

Android Froyo 2.2 Released on  May 20, 2010. Support for Adobe Flash 10.1 Portable hotspot No internet calling.

Android Gingerbread 2.3 Released on  December 6, 2010. Updated User Interface with high efficiency and speed Internet calling One touch word selection and copy/paste. New keyboard for faster word

input. no supports multi-core

processors.

Android Honeycomb 3.0

Released on February 22, 2011. Customizable homescreen. Support for multi-core processors available for tablets.

Android IceCreamSandwich(ICS) 4.0

Released on November 14, 2011. Control over network data. Improved text input and spell check. Ability to shut down apps that are

using data in the background.

Android JellyBean 4.1

Released on June 27, 2012 High performance graphics

powered by OpenGL ES 3.0.Android 4.1 Jelly Bean improves

on the speed and simplicity

Android Kitkat 4.4

Released on 31 October 2013 Printing framework. Improved Smileys.

Version SummarySR. NO. VERSION NAME REALESE DATE

1 Android Astro 1.0 2008 Sept 23

2 Banana Bread 1.1 2009 Feb 09

3 CupCake 1.5 2009 April 30

4 Donut 1.6 2009 Sept 15

5 Éclair 2.0/2.1 2009 Oct 26

6 Froyo 2.2 2010 May 20

7 GingerBread 2.3 2010 Dec 06

8 HoneyComb 3.0/3.1/3.2 2011 Feb 22

9 IcecreamSandwich 4.0 2011 Nov 14

10 JellyBean 4.1 2012 June 12

11 Kitkat 4.4 2013 Oct 31

12 Lime Pie/Lemon Pie 5.0 Mid 2014

System Requirements Of Android

MINIMUM 32 MB OF RAM

32 MB OF FLASH MEMORY

200MHZ PROCESSOR

Android Architecture

Why so popular?FreeOpen SourceOpen for

customizationLarge number of

applications

Advantages Highly customizable. Services can run in the background. Notifications let you know of background

events. Multitasking. Easy access to thousands of applications

via the Google Android App Market.  Fast and easy development. Many apps are free or low-cost.

Disadvantages• Android operating system uses more

amount of battery as compared to normal mobile phones.

• As there are so many user sometimes it becomes difficult to connect all the users.

• As we call Android is world of applications we continuously need to connected with the internet which is not possible for all the users.

CONCLUSION AND FUTURE SCOPE:-

• Android is now stepping up in next level of mobile internet.

• Android Mobile sales have becomes more then iPhone in two years.

• Google may launch another version of android that starts L because Google is launching all the android versions in the alphabetical order.

• Android have become the widely used operating system in world.

And here is the latest news…..!!!The next major upgrade for Android, to follow on from Android 4.4 is Android 5.0 & the name is “LEMON PIE”.

Google is thinking to release it in mid-2014

It will be a free upgrade.

And here is the pic for it…..!!!!

Thank you