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What is Android ? How it works ?

What is Android ? How it works ?

Android is a portable working framework created by Google, in view of a changed variant of the Linux part and other open source programming and composed basically for touchscreen cell phones, for example, cell phones and tablets. What's more, Google has additionally created Android TV for TVs, Android Auto for autos, and Android Wear for wrist watches, each with a specific UI. Variations of Android are likewise utilized on amusement reassures, computerized cameras, PCs, and different gadgets.

At first created by Android Inc., which Google purchased in 2005, Android was disclosed in 2007, with the main business, Android gadget propelled in September 2008. The working framework has since experienced numerous real discharges,
with the present rendition being 8.1 "Oreo", discharged in December 2017. Android has been the top of the line OS worldwide on cell phones since 2011 and on tablets since 2013. As of May 2017, it has more than two billion month to month dynamic clients, the biggest introduced base of any working framework, also, starting at 2017, the Google Play store includes more than 3.5 million applications.

Where does Android come from?


It originates from Google, who really obtained Android in 2005 (no, Google didn't concoct it).
The hunt goliath performs consistent updates alongside a yearly significant refresh. The working framework depends on the Linux bit – in the event that you have companions who work in IT, you may have known about it. This is the GNU/Linux working framework based structure, which is a UNIX compose framework (versatile working framework, multitasking, and multi-client). The Linux portion is a standout amongst the most conspicuous cases of free programming.

How Android Works?


The following level up contains the Android local libraries. They are altogether composed in C/C++ inside, be that as it may, you'll call them through Java interfaces. In this layer, you can locate the Surface Manager (for compositing windows), 2D and 3D illustrations, Media codecs (MPEG-4, H.264, MP3, and so forth.), the SQL database (SQLite), also, a local web program motor (WebKit). 

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Next is the Android runtime, including the Dalvik Virtual Machine. Dalvik runs dex documents, which are covered at gather time from standard class and jug documents. Dex documents are more reduced and effective than class records, a critical thought for the restricted memory and battery fueled gadgets that Android targets. The center Java libraries are additionally part of the Android runtime. They are composed in Java, as is everything over this layer. Here, Android gives a generous subset of the Java 5 Standard Edition bundles, including Collections, I/O, et cetera. The following level up is the Application Framework layer. Parts of this toolbox are given by Google, also, parts are expansions or administrations that you compose. The most vital part of the structure is the Activity Manager, which deals with the life cycle of uses and a typical "back-stack" for client route. 

At last, the best layer is the Applications layer. The majority of your code will live here, close by working in applications, for example, the Phone and Web Browser. One of the one of a kind and capable characteristics of Android is that all applications have a level playing field. What I mean is that the applications Google composes need to experience a similar open API that you utilize. You can even advise Android to influence your application to supplant the standard applications on the off chance that you like.

Advantages : 


Android’s choice isn’t just about hardware. It’s about everything else too. Android is incredibly easy to customize, both in terms of how it looks and how it works, and the various app stores aren’t as tightly controlled as its rivals’ stores, like Apple.

What’s the worst thing about Android?


Getting updates. In many cases, manufacturers don’t seem to care about providing software updates for devices they’ve already sold you. Even when they do provide updates they take their sweet time about it. That’s why some consider rooting: you can download the updates yourself and apply them instead of waiting for the manufacturer to get around to it.

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