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    Android Introduction

    Between different smartphone systems, the Android operating system has the highest user base. In more than 190 countries worldwide, Android is installed on hundreds of millions of smart phones. At the end of 2020, it had captured about 75% of the global market share, and the momentum is only getting further. For the first time, a company called Open Handset Alliance created Android, which is based on a revamped version of the Linux kernel and other open-source applications. In the beginning, Google backed the idea, and in 2005, it bought the whole venture. The first Android-powered smartphone hit the market in September 2008. Because of its robust feature set, Android is the most used smartphone operating system. It’s user-friendly, has a wide community behind it, allows for more customization, and a lot of businesses make Android-compatible smartphones. As a result, the market is witnessing a surge in demand for Android mobile device growth, necessitating the hiring of smart developers with the necessary skill set. The original purpose of Android was to be a smartphone operating system. Android, on the other hand, has been an absolute package of applications for all devices such as smartphones, wearables, set-top boxes, smart TVs, notebooks, and so on, thanks to the development of code libraries and its success among developers in the divergent realm.

    Android Introduction
    What is Android?

    Android is a Linux-based software kit and operating system for handheld devices including tablets and smartphones. It was created by Google and then by the OHA. While other languages may be used, the Java language is most commonly used to write android code.

    The Android project’s mission is to develop a good real-world app that enhances end users’ smartphone experience. Lollipop, Kitkat, Jelly Bean, Ice Cream Sandwich, Froyo, Ecliar, Donut, and other Android code names are discussed on the next page.

    Features of Android

    Let’s look at the functionality of Android now that we’ve seen what it is. The following are some of Android’s main features:

    • It’s free and open-source.
    • The Android Platform can be customized for anybody.
    • The user has a wide range of smartphone devices from which to choose.
    • It has a lot of cool features, such as weather info, an opening screen, and live RSS (Really Simple Syndication) feeds.
    • It supports SMS and MMS messaging, as well as a web browser, storage (SQLite), networking (GSM, CDMA, Bluetooth, Wi-Fi, and so on), media, and handset style.
    Native Libraries

    WebKit, OpenGL, FreeType, SQLite, Media, the C runtime library, and other native libraries are installed on linux systems kernel.

    The WebKit library is in charge of browser support, while SQLite is in charge of databases, FreeType is in charge of font support, and Media is in charge of playing and storing audio and video formats.

    Android Runtime

    The Android runtime contains main libraries and the Dalvik Virtual Machine, which are responsible for operating android applications. DVM is similar to JVM, but it was created with mobile devices in mind. It takes up less memory and responds quickly.

    Android Framework

    Native libraries and the Android runtime are built on top of the Android architecture. The Android framework includes UI, telephony, utilities, locations, Content Producers, and package managers, among other APIs. It includes a large number of classes and interfaces for developing Android apps.

    Applications

    There are frameworks that run on top of the Android platform. The android architecture, which includes the android runtime and libraries, is used for all software such as house, touch, preferences, apps, and browsers. The Android runtime and native libraries are built on the Linux kernel.

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