The presentation covers the Android operating system developed by Google, detailing its history, features, and versions since its inception in 2003. It discusses the Open Handset Alliance's role in developing open standards for mobile devices and the advantages and disadvantages of the Android OS. Notably, Android remains the leading mobile OS worldwide, with significant market share and over 3.5 million applications available in the Google Play Store.

1. PRESENTATION ON
ANDROID OS
SIDDHARTH BELBASE’S

2. What is in this Presentation ?
INTRODUCTION
What is open handset alliance ?
History
Android Versions
Disadvantages
Market Share
Advantages
Features of android
Conclusions
references

3. INTRODUCTION
• Android is a mobile operating system developed by Google, based on a
modified version of the Linux Kernel for smartphones and tablets.
• In addition, Google has further developed Android TV for televisions, Android
Auto for cars, and Android Wear for wrist watches
• Android has been the best-selling OS worldwide on smartphones since 2011
and on tablets since 2013.
• As of May 2017, it has over two billion monthly active users, the largest installed
base of any operating system
• As of 2017, the Google Play store features over 3.5 million apps.

4. Android was found in Palo Alto, California in October 2003.
HISTORY
• Planed to develop OS for digital camera but diverted towards developing OS for Smart Phones.
• On July 2005, Google acquired Android Inc. for $50 Million, whose key employees including
Rubin, Miner, Nick and Chris stayed at the acquisition.
• On November 5, 2007, the Open Handset Alliance which is a group of technological companies
like Google, device manufacturers such as HTC, Sony, Samsung unveiled itself, with a goal to
develop open standards for mobile devices.
Andy Rubin Rich Miner Nick Sears Chris White

5. WHAT IS
The open handset alliance(OHA) is a business alliance of firm to develop open standard for mobile devices.
Develop technologies that will significantly lower the cost of developing and distributing mobile devices and services.
It includes 84 firms to develop open standards for mobile devices.
?

6. Versions:
Android 1.0 [Apple Pie]
• Release date September 2008.
• Linux Kernel 2.6.
• API level 1.
Android 1.1 [Banana bread]
• Release date February 9, 2009.
• API level 2.
Android 1.5 [CupCake]
• Release date- April 30, 2009.
• Linux kernel 2.6.27 and API level 3.
Android 1.6 [Donut]
• Release date-September 15, 2009
• Linux Kernel 2.6.29 and API 4.
Android 2.0 [Éclair]
• Release date-October 26, 2009.
• API level 5.
Android 2.2 [Froyo]
• Release date-May 20, 2010.
• API level 8.

7. Android 2.3 [GingerBread]
• Release date- December 6, 2010.
• Linux kernel 2..6.35 , API level 9.
• Copy-and-Paste with arrows.
• Near field communication.
• Google books.
Legacy versions:
Versions of Android older than 4.0, while still used on very a
small number of devices, are considered "legacy" versions
and are generally unsupported by Google
Android 3.0 [HoneyComb]
• Release date-February 22, 2011.
• API level 11.
• Designed for Tablets only.
• Fragments API.
• Status bar is moved to the bottom.
• Recent apps.

8. Android 4.1 [jelly Bean]
• Release date-July 9, 2012.
• API level 16.
• Notifications are expanded.
• Google play services and Daydream debuts.
• Project Butter and Lock-Screen widgets.

9. Android 4.4 [Kitkat]
• Release date-October 31, 2013.
• API level 19.
• Google now launcher.
• Menu transparencies.
• Google drives becomes a default app.
Android 5.0 [LolliPop]
• Release date-November 12, 2014.
• API level 21.
• Material design.
• Android TV launches.
• Notifications popup as a banner and Smart lock.

10. Android 6.0 [MarshMallow]
• Release date- October 5, 2015.
• API level 23.
• Fingerprint.
• Manage volumes more intuitively.
• Swipe left to access voice controls.
• Backup in your apps.
Android 7.0 [Nougat]
• Release date- August 22, 2016.
• API level 24.
• Unicode 9.0 emoji
• Better multitasking
• Multi-window mode (PIP, Freeform window)
• Seamless system updates (with dual system partition)
• Better performance

11. Features :
• PIP: Picture-in-Picture with resizable windows
• Android Instant apps
• Improved notifications system
• Improved system settings
• Lock screen redesign
• Version : 8.0 & 8.1.0
• Released date : 2017 AUGUST 21
• Android market share: 0.7 %
• API Level : 26 & 27
Oreo

12. MARKET SHARE

13. • The ability for anyone to customize the Google Android platform
• It gives you better notification.
• It lets you choose your hardware.
• It has biggest app market(30,50,000 applications)
• A more mature platform
• With the support of many applications, the user can change the screen display.
• Supports all Google services: Android operating system supports all of Google services ranging from
Gmail to Google reader, all Google services can you have with one operating system, namely Android.
Advantages

14. Disadvantages
• Android Market is less control of the manager, sometimes there are malware.
• Wasteful Batteries, because the OS runs lot of "process" in the background causing the battery quickly
drains.
• Sometimes slow device company issues an official version of Android your own .
• Extremely inconsistence in design among apps.
• Very unstable and often hang or crash.
• Need of internet connection.
• Making source code available invites the attention of hackers.
• Many applications of Android contain virus.

15. • Background Wi-Fi location still runs even when Wi-Fi is turned off
• Developer logging and analyzing enhancements
• It is optimized for mobile devices.
• It enables reuse and replacement of components.
• Java support, media support, multi touch, video calling, multi tasking, voice based
features, screen capture, camera, Bluetooth, GPS, Compass and Accelerometer.
FEATURES OF ANDROID

16. • Android is truly open, free development platform based on Linux and
open source.
• 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.
Conclusions

17. References
https://www.slideshare.net/android-operating-system
https://www.statista.com/topics/android
https://www.openhandsetalliance.com/android_overview.html
http://slideplayer.com/slide/6181596
https://www.android.com/history
https://uigradients.com

18. धन्यवाद !
ORGANIZER
( THANKYOU !!! )