Mahesh Kvs Ppt

8/2/2019 Mahesh Kvs Ppt

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ANDROID TECHNOLOGY


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OVERVIEW

INTRODUCTION TO ANDROIDTECHNOLOGY.

ANADROID FEATURES. ANDROID ARCHITECTURE. APPLICATION FRAMEWORK. DEVELOPMENT TOOLS. APPLICATIONS.

REAL TIME APPLICATIONS. FINDINGS. CONCLUSITION.


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INTRODUCTION

TO

ANDROID TECHNOLOGY


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WHAT IS ANDROID ?

A complete and modern embedded operatingsystem.

A cuttingedge mobile user experience.

A world- class software stack for building

applications.

An open platform for developers, users &

industry.

.


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WHY ANDROID WAS CREATED ?

Full phone software stack includingapplications.

Designed as a platform for software

development.

Android is open, free.

Community support.

100% java phone.


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HISTORY

July 2005

Google acquired android inc.

5th November 2007.

Open Headset Alliance Formed Google, HTC, Intel, Motorola, Qualcomm, T-

Mobile..

Android is the OHA first product.

12th November 2007

OHA released a preview of the android OHA.


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ANDROID FEATURES

SOFTWARE FEATURES Integrated browser based on the open source WEDKIT

engine.

SQLite for relational data storage.

Media support for common audio, video and still imageformats(MPEG4, H.264, MP3, AAC, AMR, JPG, PNG,GIF)

Dalvik Virtual Machine optimized for mobile devices.

HARDWARE FEATURES Cellular Networking : GSM, EDGE, 3G(hardware

dependent)

LAN : Bluetooth and Wi-Fi (hardware dependent)

Touch Screen and Accelerometer for motion sensing.


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ANDROID ARCHITECTURE


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APPLICATION FRAMEWORK

Content Providers. Enables applications access data from

other applications, sharing.

Resource manager.

Providing access to non-code resources.

Notification manager.

Enables all applications to display alerts in

status bar. Activity manager.

Manages the life cycle of applications.


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LIBRARIES

Written in c/c++ - system c library(lib)

Display Graphics(sgl)

Media libraries

SQLite RDB engine light weight

Lib Web Core-web browser engine-embeddable

web view.


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LINUX KERNAL

Linux version 2.6

Security, memory & process management

Proven driver model

Efficient computing resource management

Stable and proven OS for mobile platform


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ANDROID RUNTIME

Include a set of core libraries that provides most ofthe functionality- java

Every android application runs in its own process

Dalvik VM executes files in the (.dex) format

Device can run multiple VMs efficiently.


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DEVELOPMENT TOOLS

The Android SDK includes a variety of custom toolsthat help you develop mobile applications on theAndroid platform. Three of the most significanttools are:

Android Emulator- A virtual mobile device thatruns on our computer-use to design , debug, andtest our applications in actual Android run-timeenvironment.

Android Development Tools Plug In- for theeclipse IDE adds powerful extension to theeclipse integrated environment.

Dalvik Debug Monitor Service(DDMS)-

Integrated with Dalvik this tool let us manage


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APPLICATIONS:


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REAL TIME APPLICATIONS

A translator for android

Example: If you are in a country where no oneunderstands your language. You cannot readany thing. Dont worry. No additional device

needed. You have your mobile phone alwayswith you.

Use Google translator

Can be extended with new Languages

Uses camera input and OCR.


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FINDINGS:

Android uses proven technology like JAVA , XMLand LINUX.

There is an initial learning effort.

Android doesnt have many of the limitations ofcurrent mobile platforms.

Android is still in beta.

Android development is fun.


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CONCLUSION

Android is open to all: industry,developers and users.

Participating in many of the successfulopen source projects.

Aims to be as easy to build for as the

web.

Google Android is stepping into thenext level of Mobile Internet.


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Mahesh Kvs Ppt