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Android os by jje

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Android os by jje

  1. 1. Android OS Android is a mobile operating system (OS). based on the Linux kernel. currently developed by Google . User interface based on direct manipulation. Android is designed primarily for touch screen.
  2. 2. FOUNDERS Android, Inc. was founded in Palo Alto, California in October 2003 by: Andy Rubin (co-founder of Danger) Rich Miner (co-founder of Wildfire Communications, Inc) Nick Sears(once VP at T-Mobile) Chris White(headed design and interface development at Web TV)
  3. 3. features(main features) Interface: Android's default user interface is based on direct manipulation which includes: using touch inputs, that loosely correspond to real-world actions, like swiping, tapping, pinching, and reverse pinching to manipulate on- screen objects, and a virtual keyboard. The response to 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. Android devices boot to the home screen, the primary navigation and information point on the device, which is similar to the desktop found on PCs. Android home screens are typically made up of app icons and widgets; app icons launch the associated app, whereas widgets display live, auto-updating content such as the weather forecast, the user's email inbox, or a news ticker directly on the home screen.
  4. 4. Applications: Applications ("apps"), that extend the functionality of devices, are developed primarily in Athe Java programming language using the Android software development kit (SDK). Memory management: Since Android devices are usually battery-powered, Android is designed to manage memory (RAM) to keep power consumption at a minimum, in contrast to desktop operating systems which generally assume they are connected to unlimited mains electricity. When an Android app is no longer in use, the system will automatically suspend it in memory – while the app is still technically "open", suspended apps consume no resources and sit idly in the background until needed again.
  5. 5. General: Messaging Web browser Voice based features Multi-touch Multitasking Screen capture Video calling Multiple language support Accessibility Connectivity: Android supports connectivity technologies including GSM/EDGE, Wi-Fi, Bluetooth, LTE, CDMA, EV-DO,UMTS, NFC, IDEN and WiMAX. Bluetooth Tethering Media: Streaming media support Media support External storage
  6. 6. Different versions • The version history of the Android mobile operating system began with the release of the Android beta in November 2007. The first commercial version, Android 1.0, was released in September 2008. Android is under ongoing development by Google and the Open Handset Alliance (OHA), and has seen a number of updates to its base operating system since its initial release. • Since April 2009, Android versions have been developed under a confectionery-themed code name and released in alphabetical order; the exceptions are versions 1.0 and 1.1 as they were not released under specific code names:
  7. 7. Alpha (1.0) Beta (1.1) Cupcake (1.5) Donut (1.6) Éclair (2.0–2.1) Froyo (2.2–2.2.3) Gingerbread (2.3–2.3.7) Honeycomb (3.0–3.2.6) Ice Cream Sandwich(4.0–4.0.4) Jelly Bean (4.1–4.3.1) KitKat (4.4–4.4.4) "L" release (developer preview)
  8. 8. Version Code name Release date API level Distribution 4.4 KitKat October 31, 2013 19 24.5% 4.3 Jelly Bean July 24, 2013 18 8.0% 4.2.x November 13, 2012 17 20.7% 4.1.x July 9, 2012 16 25.1% 4.0.3–4.0.4 Ice Cream Sandwich December 16, 2011 15 9.6% 2.3.3–2.3.7 Gingerbread February 9, 2011 10 11.4% 2.2 Froyo May 20, 2010 8 0.7% Version details
  9. 9. Android iOS Windows Phone Firefox OS Sailfish OS Tizen Ubuntu Touch OS Symbian Windows Mobile Palm OS webOS Maemo MeeGo LiMo others
  10. 10. Comparison with others
  11. 11. Android's architecture diagram
  12. 12. JEFINJOSEPH&ANDROIDFAMILY thanks
  • chetanakbalathot

    Mar. 10, 2015

android, knowm about android

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