Android Operating System
                     ANDROID OPERATING SYSTEM
INTRODUCTION
Android is a Linux-based operating system 
designed primarily for touchscreen mobile devices 
such as smartphones and tablet computers, 
developed by Google in conjunction with the Open 
Handset Alliance. 
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ANDROID 
Android was unveiled in 2007 along with the 
founding of the Open Handset Alliance, a 
consortium of 86 hardware, software, and 
telecommunication companies devoted to 
advancing open standards for mobile devices.
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KEY MEMBERS & 
FOUNDERS OF 
ANDROID
Initially, Android Inc. was founded in California in 
October, 2003 by Andy Rubin(Co-founder of 
Danger Inc), Rich Miner(Co-Founder of Wildfire 
Communications Inc.) , Nick Sears ( Former VP at T-
Mobile) and Chris White (Employee at WebTV).
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GOOGLE 
RELEASES THE 
ANDROID CODE
Google releases the Android code as open-source, 
under the Apache License. 
The Android Open Source Project (AOSP), lead by 
Google, is tasked with the maintenance and 
further development of Android. 
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COMMUNITY 
OF 
DEVELOPERS
Android has a large community of developers 
writing applications that extend the functionality 
of devices. 
Developers write primarily in a customized version 
of Java, and apps can be downloaded from online 
stores such as Google Play the app store run by 
Google, or third-party sites. 
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APPS 
AVAILABLE FOR 
ANDROID
 In June 2012, there were more than 600,000 apps 
available for Android, and the estimated number 
of applications downloaded from Google Play was 
20 billion.
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FIRST ANDROID-
POWERED PHONE
The first Android-powered phone was sold in 
October 2008, and by the end of 2010 Android had 
become the world’s leading smartphone platform
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REVOLUTION PHASE OF ANDROID
PHASE 1:
• At start, Android Inc. was designed to develop an operating 
system for Digital Cameras. 
• But later on, the plan was changed to produce an operating 
system for Smartphones which would compete with 
Microsoft Windows Phones and Symbian and all this 
initiatives were secret in the company.
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PHASE 2:
• In mid of 2005, Google took over Android Inc. for 
$50 million with their key founder members like 
Rubin, Miner and White. 
• In initial phase at Google, Rubin and his team 
developed a mobile device platform powered by 
the Linux kernel and it was promoted for 
marketing to the handset makers with promise of 
providing an advanced system phones.
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PHASE 3:
• In 2007, Some of devices manufactures like HTC, 
Samsung and Sony came up with a goal to design and 
develop open standards for mobile devices which is 
based on Linux Kernal and enabled with Android 
operating system.
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PHASE 4:
• In 2010, Google launched its Nexus series of devices 
like smartphones and tablets embedded with an 
android operating system.
• From 2010-2013, Google Now, Google Voice Search, 
Speech recognition products was launched as to 
compete with Apple’s Siri.
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