Anroid Operating SysTem History


History  of Android :










The rendition history of the Android portable working framework started with the arrival of the Android beta in November 2007. The principal business adaptation, Android 1.0, was discharged in September 2008.


The latest real Android redesign is Android 6.0 "Marshmallow", which was discharged in October 2015. Since April 2009, Android forms have been created under a dessert shop themed code name and discharged in sequential request, starting with Android 1.5 "Cupcake"; the prior variants 1.0 and 1.1 were not discharged under particular code names:

Android 4.0 "Dessert Sandwich"










Android 4.0 "Dessert Sandwich" is a form of the Android portable working framework created by Google. Disclosed on October 19, 2011, Android 4.0 expands upon the huge changes made by the tablet-just discharge Android 3.0 "Honeycomb", with an end goal to make a brought together stage for both cell phones and tablets, whilst rearranging and modernizing the general Android experience around another arrangement of human interface rules. As a major aspect of these endeavors, Android 4.0 presented another visual appearance codenamed "Holo", which is fabricated around a cleaner, moderate outline, and another default typeface named Roboto.

Android 4.0 additionally presented various other new components, including an invigorated home screen, csupport and the capacity to "bar" substance to another client utilizing the innovation, a redesigned web program, another contacts supervisor with informal organization coordination, the capacity to get to the camera and control music playback from the lock screen, visual phone message bolster, face for gadget opening the capacity to screen and breaking point versatile information utilization, and other interior changes.

Android 4.0 got positive surveys by faultfinders, who lauded the cleaner, patched up appearance of the working framework in correlation to past forms, alongside its enhanced execution and usefulness. Nonetheless, faultfinders still felt that some of Android 4.0's stock applications were all the while ailing in quality and usefulness in correlation to outsider counterparts, and respected a portion of the working framework's new components, especially the "face open" element, as being gimmicks.


Android 4.4 "KitKat" 










Android 4.4 "KitKat" is a rendition of the Android versatile working framework created by Google. Google reported Android 4.4 KitKat on September 3, 2013. Albeit at first under the "Key Lime Pie" , the name was changed in light of the fact that "not very many individuals really know the essence of a key lime pie." Some innovation bloggers likewise expected the "Key Lime Pie" discharge to be Android 5. KitKat appeared  on October 31, 2013, and was advanced to keep running on a more noteworthy scope of gadgets than prior Android renditions, having 512 MB of RAM as a prescribed least; those upgrades were known as "Venture Svelte" inside at Google. The required least measure of RAM accessible to Android is 340 MB, and all gadgets with under 512 MB of RAM must report themselves as "low RAM" gadgets.




Android Jelly Bean










Android Jelly Bean is the name given to three noteworthy point arrivals of the  crossing variants somewhere around 4.1 and 4.3.1. 

The main of these three, 4.1, was disclosed at Google's I/O designer meeting in June 2012, concentrating on execution upgrades intended to give the working framework a smoother and more responsive feel, enhancements to the warning framework considering "expandable" notices with activity catches, and other inner changes. Two more discharges were made under the Jelly Bean name in October 2012 and July 2013 separately, including 4.2—which included further advancements, multi-client support for tablets, lock screen gadgets, brisk settings, and screen savers, and 4.3—contained further upgrades

Android Lollipop









Android Lollipop is a rendition of the Android versatile working framework created by Google, spreading over variants somewhere around 5.0 and 5.1.1. Unveiled on June 25, 2014, amid the Google I/O gathering, it got to be accessible through authority over-the-air (OTA) reports on November 12, 2014, for select gadgets that run dispersions of Android adjusted by Google, (for example, Nexus and Google Play release gadgets). Its source code was made accessible on November 3, 2014.

Aclient interface fabricated around Material Design as another outline dialect. Different changes incorporate upgrades to the notices, which can be gotten to from the lockscreen and showed inside of uses as top-of-the-screen standards. Google likewise rolled out inner improvements to the stage, with the Android Runtime (ART) authoritatively swapping Dalvik for enhanced application execution, and with changes expected to enhance and advance battery use.

As of June 2015, measurements issued by Google show that 12.4% of all Android gadgets getting to Google Play run Lollipop.

Candy is succeeded by Android Marshmallow (adaptation 6.0), which was discharged in October 2015

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