ANDROID BASICKALLURI VINAY REDDY

12MSE1013

SCSE

CONTENTS.Why Android?

What is Android?

History

Open Handset Alliance

Architecture

What happens in today’s Android phone?

Advantages & Disadvantages

Conclusion

Reference

WHY ANDROID ?

ANDROID

• Linux based operating system.

• Designed for touch screen devices like mobiles, tablets.

• Code made as open source and let the users to develop the code .

• Code is released under Apache license.

• Google owned android in 2005.

ANDROID HISTORY

• Android, Inc. was founded in Palo Alto, California in October 2003 by 

• Andy Rubin (co-founder of Danger)

• Rich Miner(co-founder of Wildfire Communications, Inc.)

• Nick Sears (once VP at T-Mobile)

• Chris White (headed design and interface development at WebTV) to develop

MILESTONES. • October 2003

• Android Inc founded by Audy Rubin, rich Miner, Nick Seras &Chris White

• August 2005

• Google acquires Android Inc

• 5th November 2007

• Open handset Alliance (OHA) Formed. Android unveiled

• 12 November 2007

• Android Beta SDK Released

• 23 sep 2008

• Android 1.0 released .Featured on HTC DREAM(G1)

3.WHAT IS THE OPEN HANDSET ALLIANCE(OHA)?

Devoted to advancing open standards for mobile devices

Develop technologies that will significantly lower the cost of developing and distributing mobile devices and services

The first Android device HTC Dream(g1), featuring Android1.0 was released on 23rd Sept 2008

Android 1.0-

Integration with google service

Web browsers to show, zoom & pan full HTML & XHTML web pages, multiple pages show as widows

Android market application downloads & updates

Multitasking, instant messaging ,Wi-Fi & Blue-tooth.

Android 1.1 –

Android 1.1 update for Android was released for T-Mobile G1 only 9th Feb 2009

ANDROID VERSION HISTORY

• Since April 2009

• It’s version has been developed under a code name based on desert or sweet treats.

• Astro

• Bender

• Cupcake

• Donut

• Éclair

• Froyo

• Gingerbread

• Honeycomb

• Ice cream sandwich

• Jelly bean

• kit Kat

They are in alphabet order

ANDROID1.5 (CUPCAKE)

• Based on Linux kernel 2.6.27,the official 1.5 (cupcake) was

released on 30th April 2009

• A new soft-keyboard with text-prediction

• Ability to record & watch videos through camcorder mode

• Directly upload videos to YouTube and pictures to Picasa.

• New widgets & folders that can populate the home screens

• Bluetooth A2DP & AVRCP support

• Animated screen transitions

ANDROID1.6 (DONUT)

• Based on Linux kernel 2.6.29 the 1.6 (donut) was released

on 15th Sept 2009

• Support for WVGA screen resolution

• Updated CDMA support

• Quick search box & voice search

• Multilingual text-to-speech function

• An improved android market experience

• Integrated camera & gallery, toggle between still & video captures modes

ANDROID 2.0 (ÉCLAIR)

• Based on Linux kernel 2.6.29 the 2.0(Éclair) SDK was released

on 26th Oct 2009

• Optimized h/w speed

• Support for more screen sizes & resolution & also better contrast ratio for background

• New contact list

• Microsoft exchange support for syncing of email

• Bluetooth 2.1 support

• New browser user interface & support for HTML5

• Improved google maps 3.1.2

• Built in flash support for camera

ANDROID 2.2 (FROYO)

• Based on the Linux kernel 2.6.32 on the 20th May 2010,

the Android 2.2(Froyo) SDK was released

• General android OS speed, memory and performance optimizations

• Adobe Flash 10.1 support

• Additional application speed improvements courtesy of JIT(Just In Time) implementation

• Wifi hotspot functionality

• Browser application is integrated with chrome’s V8 JavaScript engine

• Android market with auto updating & users can give the application error report

ANDROID 2.3 (GINGERBREAD)

• Based on the Linux kernel 2.6.35 on 6th Dec 2010,

the 2.3(Gingerbread) SDK was released

• Focus on game development

• Concurrent garbage collection(minimized application pauses, smoother animation, increased responsiveness

• Support for SIP VoIP telephony

• Download manager for long-running downloads

• Redesigned multi-touch s/w keyboard

ANDROID 3.0 (HONEYCOMB)

• Based on the Linux kernel 2.6.36 the 3.0(Honeycomb)SDK

was released for tablets on 22nd Feb 2011

• Specifically optimized for tablets & with larger screen sizes

• Three dimensional desktop with redesigned widgets

• Refined multitasking

• Support for video chat using Google talk

• Support for multi-core processor

ANDROID 4.0(ICE-CREAM SANDWICH)

7 amazing features

• Font System: It is specially designed for high resolution screen &

brings a magazine like a feel the whole interface

• Screenshots: Finally Android will allow to take screenshots without rooting the smart phone or installing any third party application Just hold down volume key & power button to capture screenshots.

• Instant Voice: It will not take long to transcribe your words Just speak it & it instantly transforms it into text.

• Android Beam: This feature is based on NFC(Near Field Communication) & it allow two android smart phones to securely exchange webpages, contacts, media or even application

• Unified tablet & smart phone API

• Web browser: It comes with brand new Chrome mobile web browser It syncs with your desktop or laptop chrome bookmarks, it can save pages for offline reading & it can open up to 16 tabs at the same time

• Improved Camera: Some great new camera features, a camera UI option to edit images using multiple effects & speed of capturing is very fast & also improved video recording mode

ANDROID 4.1 ( JELLY BEAN)

• audio

• Dial pad

• Keyboard and input

• location

• Networking

• Settings graphics

• System performance

• Internationalization and localization

• Create restricted profiles that limit access to apps

ANDROID KIT KAT

• Simple and smart

• Just “OK GOOGLE”

• Google now at its best

• Beautiful & Immersive

• Immerse yourself in reading books.

• Faster multitasking

• A smarter caller ID

• Sync the contacts.

• Print wherever, whenever

• Pick a file, any file

•

ANDROID ARCHITECTURE

6.WHAT HAPPENS IN TODAY’S ANDROID SMART PHONE ?

FEATURES

GOOGLE WALLET

• Save time

• The new version of Google wallet support all credits & debit cards, from Visa,

MasterCard, American express and Discover

• Just enter the card you want to use , and then tap your phone to pay wherever

MasterCard pay pass is accepted

• Stay safe and secure

• Lock your Wallet with a PIN that only you know, keeping you safe and secure. And if you lose your phone, remotely disable your mobile wallet from the Google Wallet management center.

ADVANTAGES & DISADVANTAGES7.1Advantages:

1 Open-

• Android allows you to access core mobile device functionality through standard API calls

2 All applications are equal-

• Android doesn’t difference between the phone’s basic & third party application even the dialer or home screen can be replaced

3 Fast & easy development-

• The SDK contains what you need to build and run Android applications including different tools

DISADVANTAGE

• 1 Security-

• Making source code available to everyone indirectly invites the attention of black hat hackers

• 2 Open Source-

• A disadvantage of open-source development is that anyone can scrutinize the source code to find vulnerabilities & write exploits

• 3 Login-

• Platform doesn’t run on an encrypted file system & has vulnerable log-in

CONCLUSION• Android is truly open, free development platform based on Linux and

open source.

• Handset makers can use & customize the platform without paying a royalty.

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

• Participating in many of the successful open source projects

• Aims to be as easy to build for as the web

• Google Android is stepping into the next level of Mobile Internet

Reference

www.android.com

www.wikipedia.com

www.google.com

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