Android architecture

1. By: Abhishek M K
Under the guidance of:
Harish Kunder
Senior Asst.Proffessor
Dept of CSE

2. CONTENTS
 INTRODUCTION
 MOBILE OPERATING SYSTEM
 TWITTER API
 FEATURES
 ANDRIOD ARCHITECTURE
 ANDRIOD APPLICATION
 ADVANTAGES
 CONCLUSION
 REFERENCES

3. INTRODUCTION
 Android is a mobile operating system.
 It was initially developed by Android Inc and later
purchased by Google, and lately by the Open Handset
Alliance.
 Ease of development : Open source.
 Micro blogging.

4. MOBILE OPERATING SYSTEM
SITUATION
Smart phones Operating system includes:
 Symbian OS
 iPhone OS
 BlackBerry
 Windows Mobile
 Linux
 Palm WebOS

5. Symbian OS:
 It is the most popular Operating System which is
developed by Symbian Ltd.
 It was found with NOKIA and other companies.
 Symbian OS has different VI platform such as Series60,
series80, Series90, VIQ, etc.
Windows Mobile:
 Windows Mobile is a compact operating system developed by
Microsoft.

6.  Based on PC Windows OS.
 It has a powerful function, including audio, video, E-mail and
others.
BlackBerry:
 BlackBerry is a multi-tasking operating system for the
BlackBerry developed by the Canadian company Research in
Motion (RIM).

7. iPhone OS :
 The iPhone OS is the operating system developed by Apple
Inc.
 IPhone OS has four abstraction layers:
• The Core OS layer.
• The Core Service layer.
• The Media layer.
• Cocoa Touch layer.

8. Twitter API
 API
 Twitter API and Uses
 The Twitter API consists of two discrete APIs :
 REST APIs
 Search APIs.
 The Twitter API also consists of two discrete request :
 GET request
 POST request

9. FEATURES
 Application FrameWork
 Java Support
 Media Support
 Connectivity
 Multitouch

10. ANDRIOD ARCHITECTURE

11. ANDRIOD APPLICATION
 A central feature of Android is that one application can make
use of elements of other applications.
 There are four types of components:
 Activity
 Services
 Broadcast Receivers
 Content Provider

12. AndroidManifest.xml
Activity1
Activity2
Broadcast
Receivers
Content
Provider
External
Events
External
Requests
Services
Declare
Content Resolver
Intent
Intent
Intent
APPLICATION

13. ADVANTAGES
 Open Platform
 Wide Selection Of Hardware
 Cloud Computing

14. CONCLUSION
 Android is a software stack for mobile devices that includes an
operating system, middleware and applications.
 The Android SDK provides the tools and APIs necessary to
begin developing applications on the Android platform using
the Java programming language.
 Android OS has many advantages, such as open, wide selection
of hardware and cloud computing.

15. REFERENCES
• WikipediaAndroid.http://en.wikipedia.orglwiki/Android[EB/OL].
2009.1 O.
• Web 2.0 Summit 2009: Evan Williams and John Battelle"A
Conversation with Evan Williams", O'Reilly Media, October
21,2009 .
• AndroidSDK.http://developer.android.com/sdk/index.html [EB/OL].
2009.11

16. THANK YOU