Android Codenames

Android mobile operating system developed underdessert-inspired codenames and each new version arriving in alphabetical order with new enhancements and improvements to the Android SDK.

Here the Android codenames :

• Android 1.5 - Cupcake - Debuted in 2008, Key additions: Speech recognition tools, a virtual keyboard, video upload support for YouTube and support for live data feeds and live folders.
• Android 1.6 - Donut - Debuted in 2009, Key additions: Support for CDMAsmartphones, additional screen sizes and a text-to-speech engine.
• Android 2.0 - Eclair - Debuted in October 2009, Key additions: Support formulti-touch devices, new browser interface, Microsoft Exchange support, single interface for managing multiple online accounts, soft keys support, and an enhanced camera app.
• Android 2.2 - FroYo - Debuted in 2010, Key additions: USB tethering support, significant speed improvements, Flash 10.1 support, voice dialing over Bluetooth, the ability to store apps on external memory cards, updated browser with Google Chrome's V8 JavaScript.
• Android 2.3 - Gingerbread - Debuted in December 2010, Key additions: Google Voice over Wi-Fi, enhanced gaming functionality, improved Google Apps.
• Android 3.0 - Honeycomb - Debuted in February 2011, Key additions: A tablet update that delivered a new interface optimized for devices with larger screen sizes (particularly tablets), video chat support based on Google Talk protocols, new System Bar for global status and notifications and Action Bar for application control, tabbed Web browsing, optimized soft keyboard and a new email interface.
• Android 4.0 - Ice Cream Sandwich – Debuted in October 2011, Key additions: A smartphone update based on the Linux kernel v3.0.1 that brings many of Honeycomb's features to smartphones, including Face Unlock facial recognition software, tabbed Web browsing capabilities, unified social networking contacts, 1080p video recording capabilities and video chat support based on Google Talk protocols.
• Android 4.1, 4.2 - Jelly Bean – Debuted in June 2012, Key additions: Advanced natural language voice command capabilities, Google Now support, an improved Web browser, enhanced file management capabilities and more.
• Android 5.0 - Key Lime Pie - Expected to debut in late 2013. 

Superuser (Special User Account)

Superuser is a special user account used for system administration.  The actual name of this account might be: root, administrator or admin, Depending on the operating system (such us Linux, Unix, Windows, OS-X). In operating systems, administrator, superuser account is generally recommended that most application work be done using an ordinary account which does not have the ability to make system-wide changes.

The Superuser or special account user is used for purpose :

• Using account that have all access to operating system.
•  Ability to create, remove system files or modify operating system.
• Ability to set configuration that can be done on default account.
• This user account generally used for advanced user who understand the operating system or developer.

Android Rooting

Android rooting or root access is the process for allowing users of Android mobile operating system to make into privileged control on Android system. Rooting is often done to make overcoming limitations from carriers or hardware manufacturers that resulting in the ability to alter or replace system applications and settings. Many kind of android applications require administrator-level permissions. For the expert user who understand the android system, rooting also facilitate the removal, replacement, modification of the device's operating system. Android derives from the Linux kernel, rooting an Android device is to accessing administrative permissions on Linux.

Rooting is lets all user run privileged commands that not available on stock configuration. Rooting is required for more advanced operations including modifying, deleting system files, removing carrier or default installed applications,  access to the hardware for rebooting, controlling status lights, or recalibrating touch inputs.  When user root the device also installs the Superuser application which it can granted root access.

What Is Android ?

Android is a mobile operating system (Linux-based) designed for mobile devices such as smartphones and tablet computers developed by Android, Inc. Android is open source and Google releases the code under the Apache License and allows the software to be freely modified and distributed by device manufacturers  or  enthusiast developers.  Android has a large community of developers building applications and the apps written primarily in Java programming language. There were approximately 700,000 apps available for Android on Google Play.

This operating system has customizable, lightweight for high tech devices without developing one from scratch and it designed for phones and tablets. Android has a large community of developers and enthusiasts to use the open source code as a foundation for community-driven projects, which add new features for advanced users.

User Interface

Android's user interface is using touch inputs that loosely correspond, like swiping, tapping and pinching to manipulate on screen objects. The user input is designed to be immediate and provides a fluid touch interface, often using the vibration capabilities of the device to provide haptic feedback to the user. Internal hardware includes accelerometers  and proximity sensors both used by some applications to respond to additional user actions, like adjusting the screen from portrait to landscape depending on how the device is oriented, adjusting the screen brightness etc.

Android Play store

Android has market applications, which can be acquired by users either through an app store such as Google Play. There are about 800,000 apps and 20 billion totals installs. The Play Store or google plays application allows users to browse, download and update apps published by Google and third-party developers on devices that comply with Google's compatibility requirements. The app sorted the list of available applications to those that are compatible with the user's device and developers may restrict their applications to particular carriers or countries for business reasons.

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