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Android (système d'exploitation)

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Android, un système d'exploitation mobile (OS) initialement conçu par Android Inc. a été racheté par la suite (...) Google[2] in 2005. The system, built on a customised Linux kernel, is a product of the Open Handset Alliance’s development efforts. As a part of the Android Open Source Project (AOSP), it is open-source but incorporates proprietary Google Mobile Services. Android versions have traditionally taken their names from dessert-themed monikers, with app distribution mainly through the Google Play Store. With over 70% of mobile devices employing Android, it is commonly customised by individual vendors. Since 2011 for smartphones and 2013 for tablets, Android has led the market in OS sales, underlining its industry supremacy. It boasts over 3 billion utilisateurs actifs[1] monthly and accommodates 3 million apps on the Google Play Store. Android consistently pushes technological boundaries, with its most recent iteration, Android 14, launched in October 2023. It caters to a wide array of features and devices, including foldable phones, tablets, Chromebooks, game controllers, physical keyboards, and hardware sensors. Despite hurdles in updates, Android’s evolution is remarkable, transitioning from the Google Play edition to Android One and Pixel phones. Android also serves as a powerful platform for app development, equipped with preinstalled Google apps, Android SDK, Kotlin, Java, and C++, with Google’s Android Studio as the primary Integrated Development Environment (IDE). It provides diverse storage alternatives and complies with data privacy regulations.

Définitions des termes
1. utilisateurs actifs. Les utilisateurs actifs désignent les personnes qui interagissent avec une plateforme ou une application en ligne dans un laps de temps donné. Ce concept est fondamental dans divers secteurs tels que les entreprises, les universités et la recherche. Dans le domaine des affaires, les mesures des utilisateurs actifs aident à prévoir les trajectoires de croissance, l'implication des clients et les sources de revenus potentielles. Dans le monde universitaire et de la recherche, l'analyse du comportement des utilisateurs actifs permet de comprendre les tendances comportementales en ligne. Les aspects éthiques entourant les utilisateurs actifs soulignent l'importance du consentement éclairé, de la protection des données et de la confidentialité dans la sphère numérique. La définition et la quantification précise des utilisateurs actifs posent des problèmes techniques en raison de la diversité des pratiques des entreprises. En outre, les données relatives aux utilisateurs actifs sont essentielles pour les analyses prédictives et les délibérations politiques sur l'utilisation des technologies et la sécurité en ligne.
2. Google ( Google ) Principalement connu pour son moteur de recherche, Google est une entreprise technologique universellement estimée. Créée en 1998 par Sergey Brin et Larry Page, l'entreprise s'est considérablement développée, se diversifiant dans de nombreux domaines liés à la technologie. Google propose un large éventail de services et de produits, notamment Android, YouTube, Cloud, Maps et Gmail. L'entreprise fabrique également du matériel comme les Chromebooks et les smartphones Pixel. Depuis 2015, Google est une filiale d'Alphabet Inc. et est réputée pour son esprit inventif et son environnement de travail qui favorise les projets personnels des employés. Malgré plusieurs défis éthiques et juridiques, Google continue d'influencer le secteur de la technologie grâce à ses innovations révolutionnaires et à ses progrès technologiques, notamment la création d'Android OS et l'achat d'entreprises spécialisées dans l'IA.

Android est un système d'exploitation mobile (32-bit and 64-bit) based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen mobile devices such as smartphones et comprimés. Android is developed by a consortium of developers known as the Open Handset Alliance, though its most widely used version is primarily developed by Google. It was unveiled in November 2007, with the first commercial Android device, the HTC Dream, being launched in September 2008.

Android
A flat robot head, a green semicircle with antennas and small holes for eyes.
Wordmark and logo used since 2023
DeveloperVarious (mostly Google)
Rédigé enJava, Kotlin (UI), C (core), C++, Rust and others
OS familyUnix-like (modified Linux kernel)
Working stateCurrent
Source modelOpen source, freeware (most devices include proprietary components, such as Google Play Services ou One UI)
Version initialeSeptember 23, 2008; il y a 15 ans (2008-09-23)
Dernière versionAndroid 14 / October 4, 2023; 6 months ago (2023-10-04)
Latest previewAndroid 15: Developer Preview 1 / February 16, 2024; 2 months ago (2024-02-16)
Référentiel
Marketing targetSmartphones, tablet computers, smart TVs (Android TV), Android Auto et smartwatches (Wear OS)
Disponible en100+ languages
Update methodOver-the-air
Package managerAPK-based
PlatformsARM64 (previous versions were also compatible with ARMv7, x86, x86-64 and RISC-V; these architectures are still unofficially supported via third-party solutions)
Kernel typeMonolithic (Linux kernel)
UserlandBionic libc, mksh shell, Toybox as core utilities
Default
interface utilisateur
Graphical (multi-touch)
Licence
Site officielandroid.com Modifier ceci sur Wikidata
Support status
Supported
Articles in the series
Android version history

At its core, the operating system is known as the Android Open Source Project (AOSP) and is free and open-source software (FOSS) primarily licensed under the Apache License. However, most devices run on the proprietary Android version developed by Google, which ships with additional proprietary closed-source software pre-installed, most notably Google Mobile Services (GMS) which includes core apps such as Google Chrome, le distribution numérique platform Google Play, and the associated Google Play Services development platform. Firebase Cloud Messaging is used for push notifications. While AOSP is free, the "Android" name and logo are marques of Google, which imposes standards to restrict the use of Android branding by "uncertified" devices outside their ecosystem.

Over 70 percent of smartphones based on the Android Open Source Project run Google's ecosystem (which is known simply as Android), some with vendor-customized user interfaces and software suites, such as TouchWiz and later One UI by Samsung and HTC Sense. Competing ecosystems and forks of AOSP include Fire OS (developed by Amazon), ColorOS par Oppo, OriginOS by Vivo, MagicUI par Honorou custom ROMs tels que LineageOS.

The source code has been used to develop variants of Android on a range of other electronics, such as game consoles, digital cameras, portable media playerset PCs, each with a specialized user interface. Some well-known derivatives include Android TV for televisions and Wear OS for wearables, both developed by Google. Software packages on Android, which use the APK format, are generally distributed through proprietary application stores comme Google Play Store, Amazon Appstore, Samsung Galaxy Store, Huawei AppGallery, Cafe Bazaar, GetJaret Aptoide, or open source platforms like F-Droid.

Android has been the best-selling OS worldwide on smartphones since 2011 and on tablets since 2013. As of May 2021, it had over three billion utilisateurs actifs mensuels, the largest installed base of any operating system in the world, and as of January 2021, the Google Play Store featured over 3 million apps. Android 14, released on October 4, 2023, is the latest version, and the recently released Android 12.1/12L includes improvements specific to foldable phones, tablets, bureau-sized screens et Chromebooks.

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