Android OS is primarily designed for Smartphones & Tablets.
It is developed by the Open Handset Alliance.
Open Handset Alliance is a large group of mobile service providers & Manufactures
around the world.
It is based on Linux Kernel.
Available in 46 Languages.
Android Inc. was initially founded by Andy Rubin, Rich Miner, Nick Sears, and Chris White
in October 2003.
Android was sold to Google in 2005.
Android was first introduced to the public in 2007.
T-Mobile G1 is the World’s 1st Android Phone with its 1st version of Android Alpha.
Android applications can be developed on the following operating systems:
Windows XP or later versions
Mac OS X or later versions
Familiar Language, Familiar Development Environments:-
Android applications are normally programmed in Java and run with the Dalvik Virtual
Developers have several choices when it comes to integrated development
environments (IDEs). Many developers choose the popular and freely available Eclipse
IDE to design and develop Android applications.
Android applications are bundled into an Android package (.apk) via the Android Asset
Packaging Tool (AAPT).
Google Play Store:-
Google Play brings together all your favourite movies, TV shows, books, music, magazines,
apps, and more in one place.
A “Free Market” for Applications:-
Android developers are free to choose any kind of revenue model they want. They can
develop freeware, shareware applications and paid applications.
Version History of Android OS:-
Android Alpha (1.0)
Android BETA (1.1)
IceCream Sandwich (4.0-4.0.4)
Android L (5.0 Developer Preview)
Parameters Android iOS
1) Company Google Apple Inc.
2) Customization Yes No
3) Sharing Yes No
4) Languages 46 34
5) Messaging Google Hangouts iMessage
6) Latest Version of OS 4.4 KitKat iOS 7.1
7) Supported Devices Google, LG, Samsung, HTC, SONY,
Motorola, Micromax etc.
Apple iPhone, iPad
About Android 4.4:-
Android 4.4 (KitKat) is the latest version of the world’s favourite operating system for
mobile phones and tablets.
Android 4.4.4 version available on Google play devices i.e. Nexus 5,Nexus 7 etc.
It doesn’t describe hardware details such as SIM card instructions, specs, and so on.
Advantages of Android OS:-
Customizable Operating System.
Sharing compatibility with any device.
Third party development is encouraged.
Supported by big manufacturers like HTC, SAMSUNG, LG, SONY etc.
Google Play Store has approx. 1 million applications.
Limitations of Android OS:-
Some of applications are not supported to lower configuration devices.
Problem with Battery.