android os & app development

7/23/2019 Android OS & App Development

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Android OS & App Development

Presented by:

Ashish Bisht

M.tech C.S.E 3rd sem1



Introduction

• Android is a software stack for mobile devices thatincludes an oeratin! system" middleware and key

alications.

•

#t is based on $inu% &ernel and it is oen source.• Currently" Android 'S is runnin! in more than (

billion smarthones" tablets and wearable !ad!ets like

smart)watches.

• *ecent reorts says that Android is dominatin! in!lobal Smarthone market with +,.+- share in ,(/

0,.

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Android

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• Android basically means a robot that acts and looks

like a human bein!.

•Android 'S was ori!inally desi!ned for di!ital

cameras and later e%anded to smarthones.

• 1he lo!o of Android was desi!ned by #rina Blok.

•

1he name of android mascot is 2Bu!droid.



History

•#t was created in 'ctober ,3 by Andy *ubin and his artners namely *ich Miner" 4ick sears and Chris

white.

• $ater on" it was bou!ht by 5oo!le in ,/ for 6/

million.

• 'n / 4ovember ,7" 5oo!le created an 'en

8andset Alliance 9'8A association for develoin!

android.• Android beta S;& was released on (, 4ovember

,7.

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'en 8andset Alliance 9'8A

• '8A is a consortium of +< firms to develo oen standards for

mobile devices.

• Created on / 4ovember ,7" by 5oo!le and its 3< members

includin! Smarthone makers" cellular comanies" Softwarecomanies etc.

• / 4ov ,7 is official birthday of Android.

• =irst roducts:

> Android S;& on (,)4ov),7

> =irst handset 81C ;ream ,,)'ct),+

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Members of OHA

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Architecture

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Architecture

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• 1he architecture is based on the $inu%,.? kernel.

• 1his layer is core of android architecture. #t rovides service

like ower mana!ement" memory mana!ement" security etc.

• #t hels in software or hardware bindin! for better

communication.



Versions of Android

• @ersions of android are actually called 2=lavours.

• =irst two versions of android were named after robots

as Android ver.(. 9Astro and Android (.( 9Bender.

• After '8A" roect Mana!er 2*yan 5ibson !ave anew name convention.

• Every version of android is codenamed after a

confectionary sweet dessert.

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Features of Platform

• Open Source: Android allows you to access core

mobile device functionality throu!h standard AP# calls.

• Breaking down boundaries: Combine information

from web with the data on your hone such as contactsor !eo!rahical location.

• Equality to applications: Android doesnt differentiate

between hones basic and third)arty as.

• Fast easy de!elopment: S;& contains all the toolsto build and run android as" includin! a true device

emulator and advanced debu!!in! tools.

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AOSP (Android Open Source Project)

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Software Development

• *eDuirements:

) ava

) Android S;&

) Eclise #;E 9otional

• Pro!rammin! $an!ua!es

) ava 9'fficially suorted

) CCFF 9Possible but not suorted

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Android SDK

• S;& contains all the tools to build and run

Android alications" includin! a true

emulator and advanced debu!!in!.

• Android Studio Bundle is the official S;& for

a develoment for android.

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Limitations

• Security.

• Bloatware.

•

Framentation.• Battery consum"tion.

• #nsta$le.

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%han& you

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1hank you

Any 0ueriesG

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