presented by
T.V.SaiPallavi.
098B1A0518
Guide :Siva Kumar.p
by

Presented by
T.V.SaiPallavi.

INTRODUCTION
The birth of ANDROID:
 Google acquires android in July 2005.
 On 5 November 2007,the Open Handset Alliance, a
consortium of several companies which include:

OHA Included Companies

Qualcomm MSM7K
 Application framework  Connectivity
 Dalvik virtual Machine  Messaging
 Integrated Browser  Web Browser
 Java Virtual Machine
 Optimized Graphics
 Media Support
 SQLite  Additional Hardware Support
 Handset Layout  Development Environment
 Data storage

Description
• Operation:
Android Runtime:
o A set of core libraries.
o Runs it own process.
o Dalvik VM relies on the Linux kernel.

Operation of Linux kernel
o Android relies on Linux version 2.6 for core system
services such as
1.Security.
2.Memory management.
3.Process management.
4.network stack.
5.driver model.
o Designed to simplify the reuse of components.

Architecture

Working Proceedure
•Android Runtime
•Application Framework
•Application Layer

Software Development Kit
Includes
• Debugging tools
• Libraries
• Device emulator
• Documentation
• Sample projects
• JDK
• Apache Ant
• Python 2.2
• Eclipse 3.2

Current status:
Survey says that android mobiles are more active sales in market.
In smart phones platform android covers major part.

PROS:
 Allow access to core mobile devices.
 All applications are equal.
 Break down boundaries.
 Fast and easy.

CONS:
Security.
 Open Source.
 Login.
 Incompetence.

CONCLUSION:
 ANDROID is now becoming the best among all the mobile
operating systems.
 ANDROID is being used in 170 models of different 27 Mobile
Companies.
It surely takes lot of time for other OS to create such a rapid
revolution.

ANY
QUERIES…
?