WHAT IS ANDROID?

A Software platform and operating system

for mobile.

Based on the Linux kernel.

Android was found way back in 2003.

It was developed in Palo Alto, California.

Android was developed by the Andy

Rubin, Rich Miner, Nick and Chris White.

Android was purchased by the GOOGLE

in AUGUST,2005 for 50 million $.

Android logo was designed by Irina Blok

It’s consortium of several companies.

This group of companies are allowed to use

source code of Android and develop

applications.

Reason for Nokia not to develop Android

Mobiles is Nokia is not part of OHA.

Android supports wireless communication

using:-

Android is a multi-process system, in

which each application (and parts of

the system) runs in its own process.

3G Networks

4G Networks

802.11 Wi-Fi Networks

Bluetooth Connectivity

First Version of Android. The focus of Android beta is testing incorporating usability. Android beta will generally have many more problems on speed and

performance. The first commercial version of the software, was released

on 23 September 2008 The first commercially available Android device was the

HTC DREAM

Released on 9 February 2009 Update released just for the HTC Dream only Longer in-call screen timeout default when using the

speakerphone, plus ability to show/hide dial pad Ability to save attachments in messages Support added for marquee in system layouts

HTC Dream

Released on April 27, 2009. Added auto-rotation option. Copy and Paste feature added in the web

browser. Increased speed and performance but not upto

required level. Video recording and playback in MPEG-4 and 3GP

formats based on Linux kernel 2.6.27

Released on September 15, 2009 based on Linux kernel 2.6.29 Voice search and Search box were added. Faster OS boot times and fast web browsing

experience. Ability for users to select multiple photos for

deletion

Released on October 26, 2009. Bluetooth 2.1 support. Improved typing speed on virtual keyboard, with

smarter dictionary. Bluetooth 2.1 support Improved Google Maps 3.1.2 Addition of live wallpapers, allowing the animation of

home-screen background images to show movement Some bugs are fixed in Android 2.1

Released on May 20, 2010 Based on Linux kernel 2.6.32 Support for Adobe Flash 10.1 Improved Application launcher & better browser USB tethering and Wi-Fi Hotspot functionality Speed, memory, and performance optimizations

Released on December 6, 2010 Based on Linux kernel 2.6.35 Updated User Interface with high efficiency and speed Internet calling Support for multiple cameras on the device, including a front-

facing camera, if available New keyboard for faster word input. More successful version of Android than previous versions. Audio, graphical, and input enhancements for game

developers USB OTG Supports also introduced in Android 2.3.7

Released on February 22, 2011. Based on Linux kernel 2.6.36 Ability to encrypt all user data. This version of android is only available for tablets. Redesigned keyboard, making typing fast, efficient and accurate

on larger screen sizes Added System Bar, featuring quick access to notifications, status,

and soft navigation buttons, available at the bottom of the screen

Released on 10 May 2011 Connectivity for USB accessories Resizable Home screen widgets Support for external keyboards and pointing devices Support for joysticks and gamepads Compatibility display mode for apps that have not been

optimized for tablet screen resolutions in Android 3.2 Update to Google Books in Android 3.2 Improved Adobe Flash support in browser in Android 3.2

Released on 14 November 2011 Based on Linux kernel 3.0.1 Virtual button in the UI Easier-to-create folders, with a drag-and-drop style Wi-Fi Direct Separation of widgets in a new tab, listed in a similar manner

to apps Ability to shut down apps that are using data in the

background. A customizable launcher

Released on June 27, 2012. Based on Linux kernel 3.0.31 Smoother user interface. Ability to turn off notifications on an app specific

basis Improved camera app Google Wallet (for some devices like nexus 7)

Released on 13 November 2012 Based on Linux kernel 3.4. "Photo Sphere" panorama photos Lock screen improvements, including widget support and the ability

to swipe directly to camera Improved camera app Accessibility improvements: triple-tap to magnify the entire screen,

pan and zoom with two fingers

Released on 24 July 2013 Bluetooth Low Energy support Improvements to Photo Sphere Background Wi-Fi location still runs even when Wi-Fi is

turned off

Release on 14 October 2013 Notification and Navigation Bars Design QuickOffice integration Smoother UI Cloud Printing Low-power audio playback

Material design : bold, colourful and responsive UI Battery : Power for the long haul Security : Keep your stuff safe and sound

Version Code name Release date Distribution

4.3 Jelly Bean July 24, 2013 0.2%

4.2.x Jelly Bean November 13, 2012 6.5%

4.1.x Jelly Bean July 9, 2012 34.0%

4.0.3–4.0.4 Ice Cream Sandwich December 16, 2011 22.5%

3.2 Honeycomb July 15, 2011 0.1%

3.1 Honeycomb May 10, 2011 0.0%

2.3.3–2.3.7 Gingerbread February 9, 2011 33.0%

2.3–2.3.2 Gingerbread December 6, 2010 0.1%

2.2 Froyo May 20, 2010 2.5%

2.0–2.1 Eclair October 26, 2009 1.2%

1.6 Donut September 15, 2009 0.1%

1.5 Cupcake April 30, 2009 0%

Making source code available to everyone inevitably invites the attention of hackers.

Android operating system uses more amount of battery as compared to normal mobile phones.

As we call Android is world of applications we continuously need to connected with the internet which is not possible for all the users.

Drawbacks Android

• Hangs a lot• Drain battery• Internet connection is Important• Over heats• No Security

Android VS IOS Touch wiz

Nexus 5 Android 4.4 Iphone 5s ios 7.0.4

References

en.wikipedia.org/wiki/Android_version_history#Android_1.0_.28API_level_1.29Android.com