This document provides an overview of Android, including its history and development. It discusses how Android was created by Android Inc. and later developed by Google and the Open Handset Alliance. The document outlines the different Android versions released from 1.0 to 5.0 Lollipop. It defines Android as an open source platform built for mobile devices using Java and based on the Linux kernel. Finally, it briefly describes the Open Handset Alliance consortium and some of its member companies aimed at advancing open standards for mobile devices.

1. An Introduction to
Android

2. Agenda
 Why Mobile App Development?
 Different Operating Systems
 Android Devices in the market
 Android History
 Android Versions
 What is Android?
 Android Platform
 Open Handset Alliance
 Open Handset Members

3. Why Mobile App Development?
 Mobile platform is the platform of the future
 Double-digit growth in world-wide smart phone ownership
 Job market is hot
 Market for mobile software rises day by day

4. Different Operating Systems
 Symbian – Nokia – Microsoft
 BlackBerry – Research In Motion (RIM)
 iOS (known as iPhone OS) – Apple
 WebOS – Hewlett Packard (HP)
 Bada – Samsung
 Windows Mobile - Microsoft

5. Android Devices in the market
 Smart Phones
 Tablets
 E-Reader Devices
 NetBooks
 MP4 Players
 Internet TVs

6. Android History
 Android Inc.founded in Palo Alto,california ,united states
in October 2003 by Andy Rubin.
 It was developed by Google and later the Open Handset
Alliance (OHA).

7. Android Versions

8. Version Code name Release date API level
Android 1.0 Apple pie 2008 1
Android 1.1 Banana bread February 9, 2009 2
Android 1.5 Cupcake April 30, 2009 3
Android 1.6 Donut Sept 15, 2009 4
Android 2.0/2.1 Eclair Oct 26, 2009 7
Android 2.2 Froyo May 20, 2010 8
Android 2.3.3–2.3.7 Gingerbread February 9, 2011 10
Android 3.0-3.2.6 Honeycomb February 22, 2011 13
Android 4.0.3–4.0.4 Ice Cream Sandwich December 16, 2011 15
Android 4.1.x Jelly Bean July 9, 2012 16
Android 4.2.x Jelly Bean November 13, 2012 17
Android 4.3 Jelly Bean July 24, 2013 18
Android 4.4 KitKat October 31, 2013 19
Android 5.0 Lollipop October 17, 2014 20

10. What is Android?
 It is a open source software platform and operating system
for mobile devices
 Android is a software environment built for mobile devices
 It is based on the Linux kernel
 Developed by Google and later Open Handset Alliance
(OHA)
 Android application are built in Java language
 Android has its own virtual machine called DVM(Dalvik
Virtual Machine),which is used for executing the android
application

11. Android platform is
Complete:
 The android application development began with secure
operating system and robust framework for rich
application development
Open:
 The platform is provided through open source licensing,
also we have access to handset features while
developing applications
Free:
 Android applications are free to develop, as Andriod
SDK, ADT, etc required plugins are free

12. What is Open Handset Alliance?
 Open Handset Alliance is a consortium of
47 hardware, software, and telecom companies devoted
to advancing open standards for mobile devices.
 i.e. to deliver the consumer a richer, less expensive and
better mobile experience.
 OHA’s aim is to Develop technologies that will
significantly lower the cost of developing and distributing
mobile devices and services.

13. Open Handset Members
 Operators
 T-Mobile, Telecom Italia, Telefonica, NTT DoCoMo, KDDI,
Sprint, China Mobile
 Handset Manufacturers
 HTC, LG, Motorola, Samsung
 Semiconductor Companies
 Audience, Broadcom, Intel, Marvell, NVIDIA, Qualcomm, SiRF,
Synaptics, Texas Instruments
 Software Companies(Applications)
 Ascender, eBay, Esmertec, Google, LivingImage, NMS
communications, Packet Video, SkyPop
 Commercialization Companies
 Aplix, TAT, Wind River, Noser

14. References
 http://developer.android.com/index.html
 http://www.android.com

15. Thank you
- Rajesh Jambukia