Presented by-B.Vikas Bharat

Contents

1 What is Android?2 Android Story3 Open Handset Alliance4 Android Version History5 List of Android Versions6 Advantages & Disadvantages7 Conclusion

1.Android: • A software platform and

operating system for mobile devices.

• It is not only operating system but also a key application and middleware.

2. Android storyAndroid Inc was founded in Palo Alto,

California,United States by Andy Rubin,Rich Miner,Nick Sears & Chris White

Google acquired Android Inc

The Open Handset Alliance(OHA), a consortium of several companies was formed

Android beta SDK released

- Oct 2003

-Aug2005

-5thNov2007

-12thNov2007

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.

4. Android Version History:

Since April 2009 it’s version has been developed under a codename based on dessert or sweet treats.They are in alphabetical order:-

Cupcake DonutÉclairFroyo(frozen yogurt)GingerbreadHoneycombIce Cream SandwichJelly Bean(4.1 released on 9th July 2012)

5.List of Android Versions:

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.

Android1.5(cupcake)

Based on Linux kernel 2.6.29 the 1.6 (donut) was released on 15th Sept 2009.

Support for WVGA(Wide Video Graphics Array) screen resolution.

Updated CDMA(Code Division Multiple Access) support.

Quick search box & voice search.

Android1.6 (donut)

Based on Linux kernel 2.6.29 the 2.0(Éclair) SDK was released on 26th Oct 2009.

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

Improved google maps 3.1.2.

Built in flash support for camera.

Android 2.0 (Éclair)

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.

Wifi hotspot functionality.

Android 2.2(Froyo)

Based on the Linux kernel 2.6.35 on 6th Dec 2010, the 2.3(Gingerbread) SDK was released.

Focus on game development.

Download manager for long-running downloads.

Redesigned multi-touch s/w keyboard.

Android 2.3(Gingerbread)

Based on the Linux kernel 2.6.36 the 3.0 (Honeycomb) SDK was released for tablets on 22nd Feb 2011.

First TABLET is designed with Honeycomb Android version.

Support for multi-core processor.

Android 3.0(Honeycomb)

Amazing featuresFont 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 4.0(Ice-cream Sandwich)

Brought out on 9th July 2012With great features along with it.

Android 4.1( Jelly Bean)

Not yet devices are produced in larger aspect it will be up to December of 2012.

Android 5.0 provides a faster, smoother and more powerful computing experience. Release on Nov,3 2014.It is supported with 4G(LTE).This  platform support for 64-bit architectures.

Android 5.0(Lollipop)

Android 6.0 "Marshmallow” is a version of the Android mobile operating system is released in October 2015.

It support for fingerprint recognition.Android 6.0

(Marshmallow)

6.Advantages & Disadvantages 6.1Advantages:1 Cost Effective-

The first thing about Android is its cost.But with the low price now they can go for Android phones with good design and lot of applications which is not possible with the Apple,Blackberry and some.

2 Multitasking-Android  has a multitasking option so you can run many

applications simultaneously.

3 Easy Access of Store-So the store is in the home screen which is easy to access

the applications.

6.2 Disadvantage:1 Security-

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

2 Battery Life-A disadvantage of open-source development is that anyone

can scrutinize the source code to find vulnerabilities & write exploits.

3 Virus Applications-Few Android Applications contain virus also present in

the AndroidMarket.Due the lack of Quality Standard many applications contain viruses which makes your mobile hung.

7.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.