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What is Android


Operating Systems have developed a lot in last 15 years. Starting from black and white phones to recent smart phones or mini computers, mobile OS has come far away. Especially for smart phones, Mobile OS has greatly evolved from Palm OS in 1996 to Windows pocket PC in 2000 then to Blackberry OS and Android.
       One of the most widely used mobile OS these days is ANDROID. Android is a software bunch comprising not only operating system but also middleware and key applications. Android Inc was founded in Palo Alto of California, U.S. by Andy Rubin, Rich miner, Nick sears and Chris White in 2003. Later Android Inc. was acquired by Google in 2005. After original release there have been number of updates in the original version of Android.

 

Features & Specifications

Android is a powerful Operating System supporting a large number of applications in Smart Phones. These applications make life more comfortable and advanced for the users. Hardware that support Android are mainly based on ARM architecture platform. Some of the current features and specifications of android are:

Android comes with an Android market which is an online software store. It was developed by Google. It allows Android users to select, and download applications developed by third party developers and use them. There are around 2.0 lack+ games, application and widgets available on the market for users.
    Android applications are written in java programming language. Android is available as open source for developers to develop applications which can be further used for selling in android market. There are around 200000 applications developed for android with over 3 billion+ downloads. Android relies on Linux version 2.6 for core system services such as security, memory management, process management, network stack, and driver model. For software development, Android provides Android SDK (Software development kit). Read more about open source software. 

Applications

These are the basics of Android applications:
•      Android applications are composed of one or more application components (activities, services, content providers, and broadcast receivers)
•      Each component performs a different role in the overall application behavior, and each one can be activated individually (even by other applications)
•      The manifest file must declare all components in the application and should also declare all application requirements, such as the minimum version of Android required and any hardware configurations required
•      Non-code application resources (images, strings, layout files, etc.) should include alternatives for different device configurations (such as different strings for different languages)
Google, for software development and application development, had launched two competitions ADC1 and ADC2 for the most innovative applications for Android. It offered prizes of USD 10 million combined in ADC1 and 2. ADC1 was launched in January 2008 and ADC 2 was launched in May 2009. These competitions helped Google a lot in making Android better, more user friendly, advanced and interactive.

Android  Presentation:-
 
 

Android updates

Google is constantly working on new versions of the Android software. These releases are infrequent; at the moment they normally come out every six months or so, but Google is looking to slow this down to once a year.
Versions usually come with a numerical code and a name that’s so far been themed after sweets and desserts, running in alphabetical order.
  • Android 1.5 Cupcake
  • Android 1.6 Donut
  • Android 2.1 Eclair
  • Android 2.2 Froyo
  • Android 2.3 Gingerbread
  • Android 3.2 Honeycomb - The first OS design specifically for a tablet, launching on the Motorola Xoom
  • Android 4.0 Ice Cream Sandwich: The first OS to run on smartphones and tablet, ending the 2.X naming convention.
  • Android 4.1 Jelly Bean: Launched on the Google Nexus 7 tablet by Asus
  • Android 4.2 Jelly Bean: Arrived on the LG Nexus 4
  • Android 4.3 Jelly Bean
  • Android 4.4 KitKat: Launched on the LG Nexus 5


Android & Android Phone Presentation :-


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Author: Robin Saxena
I m computer science student and i Interested in cs, c/c++ programming, java, html ,Photography , Music , and generally connecting with others.

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