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92-672: Redmi K30 is a line of Android-based smartphones manufactured by Xiaomi and marketed under its Redmi sub-brand. There are two main models, the K30 and the K30 5G . A rebranded version of the K30 was later announced for India as the POCO X2 , followed by the K30 5G Speed , which has a faster version of the K30 5G's chipset, and the K30i 5G which has a lower resolution camera sensor. The K30 line uses an anodized aluminum frame and Gorilla Glass on

184-410: A native development kit (NDK) for applications or extensions in C or C++, Google App Inventor , a visual environment for novice programmers, and various cross platform mobile web applications frameworks . In January 2014, Google unveiled a framework based on Apache Cordova for porting Chrome HTML 5 web applications to Android, wrapped in a native application shell. Additionally, Firebase

276-476: A trade secret . Software can be made available with fewer restrictions on licensing or source-code access; software that satisfies certain conditions of freedom and openness is known as " free " or " open-source ." Since license agreements do not override applicable copyright law or contract law , provisions in conflict with applicable law are not enforceable. Some software is specifically licensed and not sold, in order to avoid limitations of copyright such as

368-408: A weather forecast , the user's email inbox, or a news ticker directly on the home screen. A home screen may be made up of several pages, between which the user can swipe back and forth. Third-party apps available on Google Play and other app stores can extensively re- theme the home screen, and even mimic the look of other operating systems, such as Windows Phone . Most manufacturers customize

460-507: A "mixed source" model including both free and non-free software in the same distribution. Most if not all so-called proprietary UNIX distributions are mixed source software, bundling open-source components like BIND , Sendmail , X Window System , DHCP , and others along with a purely proprietary kernel and system utilities. Some free software packages are also simultaneously available under proprietary terms. Examples include MySQL , Sendmail and ssh. The original copyright holders for

552-523: A February 21, 1997, internal Microsoft memo drafted for Bill Gates : Early versions of the iPhone SDK were covered by a non-disclosure agreement . The agreement forbade independent developers from discussing the content of the interfaces. Apple discontinued the NDA in October 2008. Any dependency on the future versions and upgrades for a proprietary software package can create vendor lock-in , entrenching

644-467: A Government Security Program (GSP) to allow governments to view source code and Microsoft security documentation, of which the Chinese government was an early participant. The program is part of Microsoft's broader Shared Source Initiative which provides source code access for some products. The Reference Source License (Ms-RSL) and Limited Public License (Ms-LPL) are proprietary software licenses where

736-399: A PC and mobile operating system, based on Android, to "compete directly with Microsoft Windows and Google Android". The Chinese Academy of Engineering noted that "more than a dozen" companies were customizing Android following a Chinese ban on the use of Windows 8 on government PCs. Android is developed by Google until the latest changes and updates are ready to be released, at which point

828-710: A choice of non-default runtimes that allow better C++ support. The SDK includes a comprehensive set of development tools, including a debugger , software libraries , a handset emulator based on QEMU , documentation, sample code, and tutorials. Initially, Google's supported integrated development environment (IDE) was Eclipse using the Android Development Tools (ADT) plugin; in December 2014, Google released Android Studio , based on IntelliJ IDEA , as its primary IDE for Android application development. Other development tools are available, including

920-401: A copy can decide whether, and how much, to charge for a copy or related services. Proprietary software that comes for no cost is called freeware . Proponents of commercial proprietary software argue that requiring users to pay for software as a product increases funding or time available for the research and development of software. For example, Microsoft says that per-copy fees maximize

1012-402: A fluid touch interface, often using the vibration capabilities of the device to provide haptic feedback to the user. Internal hardware, such as accelerometers , gyroscopes and proximity sensors are used by some applications to respond to additional user actions, for example adjusting the screen from portrait to landscape depending on how the device is oriented, or allowing the user to steer

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1104-586: A keyboard and mouse. In addition to their availability on commercially available hardware, similar PC hardware-friendly versions of Android are freely available from the Android-x86 project, including customized Android 4.4. Using the Android emulator that is part of the Android SDK , or third-party emulators, Android can also run non-natively on x86 architectures. Chinese companies are building

1196-564: A license for the Internet forum software vBulletin can modify the source for their own site but cannot redistribute it. This is true for many web applications, which must be in source code form when being run by a web server. The source code is covered by a non-disclosure agreement or a license that allows, for example, study and modification, but not redistribution. The text-based email client Pine and certain implementations of Secure Shell are distributed with proprietary licenses that make

1288-560: A monopoly position. Proprietary software may also have licensing terms that limit the usage of that software to a specific set of hardware. Apple has such a licensing model for macOS , an operating system which is limited to Apple hardware, both by licensing and various design decisions. This licensing model has been affirmed by the United States Court of Appeals for the Ninth Circuit . Proprietary software which

1380-564: A press conference in a New York City subway station . Since 2008, Android has seen numerous updates which have incrementally improved the operating system, adding new features and fixing bugs in previous releases. Each major release is named in alphabetical order after a dessert or sugary treat, with the first few Android versions being called " Cupcake ", " Donut ", " Eclair ", and " Froyo ", in that order. During its announcement of Android KitKat in 2013, Google explained that "Since these devices make our lives so sweet, each Android version

1472-635: A range of other electronics, such as game consoles , digital cameras , portable media players , and 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 like Google Play Store , Amazon Appstore , Samsung Galaxy Store , Huawei AppGallery , Cafe Bazaar , GetJar , and Aptoide , or open source platforms like F-Droid . Android has been

1564-481: A single user or computer. In some cases, software features are restricted during or after the trial period, a practice sometimes called crippleware . Proprietary software often stores some of its data in file formats that are incompatible with other software, and may also communicate using protocols which are incompatible. Such formats and protocols may be restricted as trade secrets or subject to patents . A proprietary application programming interface (API)

1656-462: A software package may be ended to force users to upgrade and pay for newer versions ( planned obsolescence ). Sometimes another vendor or a software's community themselves can provide support for the software, or the users can migrate to either competing systems with longer support life cycles or to FOSS -based systems. Some proprietary software is released by their owner at end-of-life as open-source or source available software, often to prevent

1748-474: A split-screen view mode are the 2012 Samsung Galaxy S3 and Note 2 , the former of which received this feature with the premium suite upgrade delivered in TouchWiz with Android 4.1 Jelly Bean. When connecting or disconnecting charging power and when shortly actuating the power button or home button, all while the device is powered off, a visual battery meter whose appearance varies among vendors appears on

1840-425: A technical measure, such as product activation , a product key or serial number, a hardware key , or copy protection . Vendors may also distribute versions that remove particular features, or versions which allow only certain fields of endeavor, such as non-commercial, educational, or non-profit use. Use restrictions vary by license: Vendors typically distribute proprietary software in compiled form, usually

1932-430: A vehicle in a racing game by rotating the device, simulating control of a steering wheel . Android devices boot to the home screen , the primary navigation and information "hub" on Android devices, analogous to the desktop found on personal computers. 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

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2024-516: A whole lot like the program has wrapped up". From 2008 to 2013, Hugo Barra served as product spokesperson, representing Android at press conferences and Google I/O , Google's annual developer-focused conference. He left Google in August 2013 to join Chinese phone maker Xiaomi . Less than six months earlier, Google's then- CEO Larry Page announced in a blog post that Andy Rubin had moved from

2116-406: A work of free software, even copyleft free software, can use dual-licensing to allow themselves or others to redistribute proprietary versions. Non-copyleft free software (i.e. software distributed under a permissive free software license or released to the public domain) allows anyone to make proprietary redistributions. Free software that depends on proprietary software is considered "trapped" by

2208-508: Is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen -based mobile devices such as smartphones and tablets . It is the world's most widely used operating system due to it being used on most smartphones and tablets outside of iPhones and iPads , which use Apple 's iOS and iPadOS , respectively. As of October 2024 , Android accounts for 45% of

2300-484: Is a software library interface "specific to one device or, more likely to a number of devices within a particular manufacturer's product range." The motivation for using a proprietary API can be vendor lock-in or because standard APIs do not support the device's functionality. The European Commission , in its March 24, 2004, decision on Microsoft's business practices, quotes, in paragraph 463, Microsoft general manager for C++ development Aaron Contorer as stating in

2392-609: Is expanding its low-cost Android One program into the United States, although The Verge notes that the company will presumably not produce the actual devices itself. Google introduced the Pixel and Pixel XL smartphones in October 2016, marketed as being the first phones made by Google, and exclusively featured certain software features, such as the Google Assistant , before wider rollout. The Pixel phones replaced

2484-547: 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 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 ,

2576-438: Is low, the system will begin invisibly and automatically closing inactive processes, starting with those that have been inactive for the longest amount of time. Lifehacker reported in 2011 that third-party task-killer applications were doing more harm than good. Some settings for use by developers for debugging and power users are located in a "Developer options" sub menu, such as the ability to highlight updating parts of

2668-426: Is named after a dessert", although a Google spokesperson told CNN in an interview that "It's kind of like an internal team thing, and we prefer to be a little bit—how should I say—a bit inscrutable in the matter, I'll say". In 2010, Google launched its Nexus series of devices, a lineup in which Google partnered with different device manufacturers to produce new devices and introduce new Android versions. The series

2760-489: Is no longer marketed, supported or sold by its owner is called abandonware , the digital form of orphaned works . If the proprietor of a software package should cease to exist, or decide to cease or limit production or support for a proprietary software package, recipients and users of the package may have no recourse if problems are found with the software. Proprietors can fail to improve and support software because of business problems. Support for older or existing versions of

2852-436: Is not synonymous with commercial software , although the two terms are sometimes used synonymously in articles about free software. Proprietary software can be distributed at no cost or for a fee, and free software can be distributed at no cost or for a fee. The difference is that whether proprietary software can be distributed, and what the fee would be, is at the proprietor's discretion. With free software, anyone who has

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2944-400: Is required for another party to use the software. In the case of proprietary software with source code available, the vendor may also prohibit customers from distributing their modifications to the source code. Shareware is closed-source software whose owner encourages redistribution at no cost, but which the user sometimes must pay to use after a trial period. The fee usually allows use by

3036-517: Is the latest version and includes improvements specific to foldable phones , tablets, desktop -sized screens , and Chromebooks . Android Inc. was founded in Palo Alto, California , in October 2003 by Andy Rubin , Rich Miner , Nick Sears, and Chris White. Rubin described the Android project as having "tremendous potential in developing smarter mobile devices that are more aware of its owner's location and preferences". The early intentions of

3128-709: Is the primary application store installed on Android devices that comply with Google's compatibility requirements and license the Google Mobile Services software. Google Play Store allows users to browse, download and update applications published by Google and third-party developers; as of January 2021 , there are more than three million applications available for Android in Play Store. As of July 2013 , 50 billion application installations had been performed. Some carriers offer direct carrier billing for Google Play application purchases, where

3220-473: Is used by default), and adoptable storage. Portable storage is treated as an external storage device. Adoptable storage, introduced on Android 6.0, allows the internal storage of the device to be spanned with the SD card, treating it as an extension of the internal storage. This has the disadvantage of preventing the memory card from being used with another device unless it is reformatted . Android 4.4 introduced

3312-645: The Amazon Appstore , GetJar , and SlideMe. F-Droid , another alternative marketplace, seeks to only provide applications that are distributed under free and open source licenses . In October 2020, Google removed several Android applications from Play Store , as they were identified breaching its data collection rules. The firm was informed by International Digital Accountability Council (IDAC) that apps for children like Number Coloring , Princess Salon and Cats & Cosplay , with collective downloads of 20 million, were violating Google's policies. At

3404-544: The Android software development kit (SDK) and, often, Kotlin programming language, which replaced Java as Google's preferred language for Android app development in May 2019, and was originally announced in May 2017. Java is still supported (originally the only option for user-space programs, and is often mixed with Kotlin), as is C++ . Java or other JVM languages, such as Kotlin, may be combined with C /C++, together with

3496-599: The Open Handset Alliance , a consortium of technology companies including Google, device manufacturers such as HTC, Motorola and Samsung, wireless carriers such as Sprint and T-Mobile , and chipset makers such as Qualcomm and Texas Instruments , unveiled itself, with a goal to develop "the first truly open and comprehensive platform for mobile devices". Within a year, the Open Handset Alliance faced two other open source competitors,

3588-571: The Symbian Foundation and the LiMo Foundation , the latter also developing a Linux -based mobile operating system like Google. In September 2007, InformationWeek covered an Evalueserve study reporting that Google had filed several patent applications in the area of mobile telephony. On September 23, 2008, Android was introduced by Andy Rubin, Larry Page, Sergey Brin, Cole Brodman, Christopher Schlaeffer and Peter Chou at

3680-743: The Windows 11 announcement event in June 2021, Microsoft showcased the new Windows Subsystem for Android (WSA) to enable support for the Android Open Source Project (AOSP), but it has since been deprecated. It was meant to allow users running Android apps and games in Windows 11 on their Windows desktop. On March 5, 2024, Microsoft announced deprecation of WSA with support ending on March 5, 2025. The storage of Android devices can be expanded using secondary devices such as SD cards . Android recognizes two types of secondary storage: portable storage (which

3772-400: The digital distribution 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 trademarks of Google, which imposes standards to restrict the use of Android branding by "uncertified" devices outside their ecosystem. Over 70% of smartphones based on

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3864-425: The first-sale doctrine . The owner of proprietary software exercises certain exclusive rights over the software. The owner can restrict the use, inspection of source code, modification of source code, and redistribution. Vendors typically limit the number of computers on which software can be used, and prohibit the user from installing the software on extra computers. Restricted use is sometimes enforced through

3956-581: The global operating system market , followed by Windows with 26%. Android has historically been developed by a consortium of developers known as the Open Handset Alliance , but 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. At its core, the operating system

4048-468: The machine language understood by the computer's central processing unit . They typically retain the source code , or human-readable version of the software, often written in a higher level programming language . This scheme is often referred to as closed source. While most proprietary software is distributed without the source code, some vendors distribute the source code or otherwise make it available to customers. For example, users who have purchased

4140-534: The source code is made available to the Android Open Source Project (AOSP), an open source initiative led by Google. The first source code release happened as part of the initial release in 2007. All releases are under the Apache License . The AOSP code can be found with minimal modifications on select devices, mainly the former Nexus and current Android One series of devices. However, most original equipment manufacturers (OEMs) customize

4232-595: The 5G version and a Mint finish on the 5G Speed version. The non-Pro models are powered by Qualcomm Snapdragon 700 series SoCs, with the K30 and POCO X2 retaining the K20's Snapdragon 730G and Adreno 618 while the K30 5G and K30i 5G receive the newer Snapdragon 765G and Adreno 620. The K30 5G Speed has the Snapdragon 768G paired with an overclocked version of the Adreno 620. Storage and RAM options have been carried over from

4324-526: The AMOLED of the K20, and as a result, the fingerprint sensor is integrated with the power button. The battery is also larger at 4500mAh; fast charging is supported over USB-C up to 27W on the K30 and POCO X2, or up to 30W on the K30 5G & K30i 5G. All devices are pre-installed with MIUI 11, which is based on Android 10 . Later, the Redmi K30 series got the update of MIUI 13 with Android 12 but POCO X2

4416-515: 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 by Oppo , OriginOS by Vivo , MagicUI by Honor , and custom ROMs such as LineageOS , as well as Meta Horizon OS for VR headsets . Android's source code has been used to develop variants on

4508-536: The Android division to take on new projects at Google, and that Sundar Pichai would become the new Android lead. Pichai himself would eventually switch positions, becoming the new CEO of Google in August 2015 following the company's restructure into the Alphabet conglomerate, making Hiroshi Lockheimer the new head of Android. On Android 4.4 , KitKat , shared writing access to MicroSD memory cards has been locked for user-installed applications, to which only

4600-514: The Android version and manufacturer. Many early Android OS smartphones were equipped with a dedicated search button for quick access to a web search engine and individual apps' internal search feature. More recent devices typically allow the former through a long press or swipe away from the home button. The dedicated option key, also known as menu key, and its on-screen simulation, is no longer supported since Android version 10. Google recommends mobile application developers to locate menus within

4692-625: The Free Software Foundation. This includes software written only for Microsoft Windows, or software that could only run on Java , before it became free software. Most of the software is covered by copyright which, along with contract law , patents , and trade secrets , provides legal basis for its owner to establish exclusive rights. A software vendor delineates the specific terms of use in an end-user license agreement (EULA). The user may agree to this contract in writing, interactively on screen ( clickwrap ), or by opening

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4784-410: The K20 (64, 128 or 256 GB of UFS 2.1 storage and 6 or 8 GB of RAM), and microSD card expansion is now supported up to 256 GB on the K30 and POCO X2. The K30i 5G and K30 5G Speed have a single 6 GB RAM/128 GB UFS configuration. The display is larger than the K20's at 6.67" (169.4mm) and has a wider 20:9 aspect ratio with a 120 Hz refresh rate and HDR10 support. However, it is an LCD as opposed to

4876-638: The Nexus series, with a new generation of Pixel phones launched in October 2017. In May 2019, the operating system became entangled in the trade war between China and the United States involving Huawei , which, like many other tech firms, had become dependent on access to the Android platform. In the summer of 2019, Huawei announced it would create an alternative operating system to Android known as Harmony OS , and has filed for intellectual property rights across major global markets. Under such sanctions Huawei has long-term plans to replace Android in 2022 with

4968-496: The SAF to access any other part of the filesystem. Since Android devices are usually battery-powered, Android is designed to manage processes to keep power consumption at a minimum. When an application is not in use the system suspends its operation so that, while available for immediate use rather than closed, it does not use battery power or CPU resources. Android manages the applications stored in memory automatically: when memory

5060-489: The Storage Access Framework (SAF), a set of APIs for accessing files on the device's filesystem. As of Android 11, Android has required apps to conform to a data privacy policy known as scoped storage , under which apps may only automatically have access to certain directories (such as those for pictures, music, and video), and app-specific directories they have created themselves. Apps are required to use

5152-453: The ability to adjust the flashlight brightness. Notifications are "short, timely, and relevant information about your app when it's not in use", and when tapped, users are directed to a screen inside the app relating to the notification. Beginning with Android 4.1 "Jelly Bean" , "expandable notifications" allow the user to tap an icon on the notification in order for it to expand and display more information and possible app actions right from

5244-416: The box containing the software ( shrink wrap licensing ). License agreements are usually not negotiable . Software patents grant exclusive rights to algorithms, software features, or other patentable subject matter , with coverage varying by jurisdiction. Vendors sometimes grant patent rights to the user in the license agreement. The source code for a piece of proprietary software is routinely handled as

5336-483: The company in July of that year for at least $ 50 million; this was Google's "best deal ever" according to Google's then-vice president of corporate development, David Lawee , in 2010. Android's key employees, including Rubin, Miner, Sears, and White, joined Google as part of the acquisition. Not much was known about the secretive Android Inc. at the time, with the company having provided few details other than that it

5428-517: The company were to develop an advanced operating system for digital cameras , and this was the basis of its pitch to investors in April 2004. The company then decided that the market for cameras was not large enough for its goals, and five months later it had diverted its efforts and was pitching Android as a handset operating system that would rival Symbian and Microsoft Windows Mobile . Rubin had difficulty attracting investors early on, and Android

5520-555: The cost of the application is added to the user's monthly bill. As of May 2017 , there are over one billion active users a month for Gmail, Android, Chrome, Google Play and Maps. Due to the open nature of Android, a number of third-party application marketplaces also exist for Android, either to provide a substitute for devices that are not allowed to ship with Google Play Store, provide applications that cannot be offered on Google Play Store due to policy violations, or for other reasons. Examples of these third-party stores have included

5612-511: The dedicated directories with respective package names, located inside Android/data/ , remained writeable. Writing access has been reinstated with Android 5 Lollipop through the backwards-incompatible Google Storage Access Framework interface . In June 2014, Google announced Android One , a set of "hardware reference models" that would "allow [device makers] to easily create high-quality phones at low costs", designed for consumers in developing countries. In September, Google announced

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5704-567: The display, show an overlay with the current status of the touch screen, show touching spots for possible use in screencasting , notify the user of unresponsive background processes with the option to end them ("Show all ANRs", i.e. "App's Not Responding"), prevent a Bluetooth audio client from controlling the system volume ("Disable absolute volume"), and adjust the duration of transition animations or deactivate them completely to speed up navigation. Developer options are initially hidden since Android 4.2 "Jelly Bean", but can be enabled by actuating

5796-582: The first set of Android One phones for release in India. However, Recode reported in June 2015 that the project was "a disappointment", citing "reluctant consumers and manufacturing partners" and "misfires from the search company that has never quite cracked hardware". Plans to relaunch Android One surfaced in August 2015, with Africa announced as the next location for the program a week later. A report from The Information in January 2017 stated that Google

5888-517: The front and back. Both the volume and power buttons are located on the right edge; the latter is recessed slightly. The front features dual front-facing cameras housed in a pill-shaped cutout, resembling the Galaxy S10+ . The camera protrusion on the back panel is a single unit with a dual-LED flash below and an oval module. Colors available at launch were (Phoenix) Red, (Matrix) Purple, and (Atlantis) Blue, with an additional White finish available on

5980-437: The issue. Android's default user interface is mainly based on direct manipulation , using touch inputs that loosely correspond to real-world actions, like swiping, tapping, pinching, and reverse pinching to manipulate on-screen objects, along with a virtual keyboard . Game controllers and full-size physical keyboards are supported via Bluetooth or USB . The response to user input is designed to be immediate and provides

6072-619: The legal status of software copyright , especially for object code , was not clear until the 1983 appeals court ruling in Apple Computer, Inc. v. Franklin Computer Corp . According to Brewster Kahle the legal characteristic of software changed also due to the U.S. Copyright Act of 1976 . Starting in February 1983 IBM adopted an " object-code -only" model for a growing list of their software and stopped shipping much of

6164-559: The look and features of their Android devices to differentiate themselves from their competitors. Along the top of the screen is a status bar, showing information about the device and its connectivity. This status bar can be pulled (swiped) down from to reveal a notification screen where apps display important information or updates, as well as quick access to system controls and toggles such as display brightness, connectivity settings ( WiFi , Bluetooth, cellular data), audio mode, and flashlight . Vendors may implement extended settings such as

6256-486: The mobile communications market continued to build through December 2006. An early prototype had a close resemblance to a BlackBerry phone, with no touchscreen and a physical QWERTY keyboard , but the arrival of 2007's Apple iPhone meant that Android "had to go back to the drawing board". Google later changed its Android specification documents to state that "Touchscreens will be supported", although "the Product

6348-607: The most common screen. Android supports all versions of OpenGL ES and Vulkan (and version 1.1 available for some devices ). Android devices incorporate many optional hardware components, including still or video cameras, GPS , orientation sensors , dedicated gaming controls, accelerometers, gyroscopes, barometers, magnetometers , proximity sensors, pressure sensors , thermometers, and touchscreens . Some hardware components are not required, but became standard in certain classes of devices, such as smartphones, and additional requirements apply if they are present. Some other hardware

6440-483: The most used operating system worldwide on smartphones since 2011 and on tablets since 2013. As of May 2021 , it has over three billion monthly active users , the largest installed base of any operating system in the world, and, as of 2024 , the Google Play Store features 1.7 million apps; a decline from its of peak of over 3 million apps in April 2021. Android 15 , released on October 15, 2024,

6532-513: The new operating system, as Harmony OS was originally designed for internet of things devices, rather than for smartphones and tablets. On August 22, 2019, it was announced that Android "Q" would officially be branded as Android 10, ending the historic practice of naming major versions after desserts. Google stated that these names were not "inclusive" to international users (due either to the aforementioned foods not being internationally known, or being difficult to pronounce in some languages). On

6624-409: The notification. An "All Apps" screen lists all installed applications, with the ability for users to drag an app from the list onto the home screen. The app list may be accessed using a gesture or a button, depending on the Android version. A "Recents" screen, also known as "Overview", lets users switch between recently used apps. The recent list may appear side-by-side or overlapping, depending on

6716-550: The official support. Since 2012, Android devices with Intel processors began to appear, including phones and tablets. While gaining support for 64-bit platforms, Android was first made to run on 64-bit x86 and then on ARM64 . An unofficial experimental port of the operating system to the RISC-V architecture was released in 2021. Requirements for the minimum amount of RAM for devices running Android 7.1 range from in practice 2 GB for best hardware, down to 1 GB for

6808-530: The operating system's build number in the device information seven times. Hiding developers options again requires deleting user data for the "Settings" app, possibly resetting some other preferences. The main hardware platform for Android is ARM (the ARMv7 and ARMv8-A architectures), with x86 and x86-64 architectures also officially supported in later versions of Android. The unofficial Android-x86 project provided support for x86 architectures ahead of

6900-527: The same day, Android Police reported that Google had commissioned a statue of a giant number "10" to be installed in the lobby of the developers' new office. Android 10 was released on September 3, 2019, to Google Pixel phones first. In late 2021, some users reported that they were unable to dial emergency services. The problem was caused by a combination of bugs in Android and in the Microsoft Teams app; both companies released updates addressing

6992-419: The screen, allowing the user to quickly assess the charge status of a powered-off without having to boot it up first. Some display the battery percentage. Most Android devices come with preinstalled Google apps including Gmail, Google Maps, Google Chrome, YouTube, Google Play Movies & TV, and others. Applications (" apps "), which extend the functionality of devices (and must be 64-bit ), are written using

7084-561: The software from becoming unsupported and unavailable abandonware . 3D Realms and id Software are famous for the practice of releasing closed source software into the open source . Some of those kinds are free-of-charge downloads ( freeware ), some are still commercially sold (e.g. Arx Fatalis ). More examples of formerly closed-source software in the List of commercial software with available source code and List of commercial video games with available source code . Proprietary software

7176-484: The software. This is particularly common with certain programming languages . For example, the bytecode for programs written in Java can be easily decompiled to somewhat usable code, and the source code for programs written in scripting languages such as PHP or JavaScript is available at run time . Proprietary software vendors can prohibit the users from sharing the software with others. Another unique license

7268-402: The source code available. Some licenses for proprietary software allow distributing changes to the source code, but only to others licensed for the product, and some of those modifications are eventually picked up by the vendor. Some governments fear that proprietary software may include defects or malicious features which would compromise sensitive information. In 2003 Microsoft established

7360-826: The source code for installed software to customers. Customers who developed software often made it available to the public without charge. Closed source means computer programs whose source code is not published except to licensees. It is available to be modified only by the organization that developed it and those licensed to use the software. In 1969, IBM, which had antitrust lawsuits pending against it, led an industry change by starting to charge separately for mainframe software and services, by unbundling hardware and software. Bill Gates ' " Open Letter to Hobbyists " in 1976 decried computer hobbyists' rampant copyright infringement of software, particularly Microsoft's Altair BASIC interpreter, and asserted that their unauthorized use hindered his ability to produce quality software. But

7452-476: The source code is made available . Governments have also been accused of adding such malware to software themselves. According to documents released by Edward Snowden , the NSA has used covert partnerships with software companies to make commercial encryption software exploitable to eavesdropping, or to insert backdoors . Software vendors sometimes use obfuscated code to impede users who would reverse engineer

7544-722: The source code to run on their hardware. Proprietary software Proprietary software is a subset of non-free software , a term defined in contrast to free and open-source software ; non-commercial licenses such as CC BY-NC are not deemed proprietary, but are non-free. Proprietary software may either be closed-source software or source-available software . Until the late 1960s, computers—especially large and expensive mainframe computers , machines in specially air-conditioned computer rooms—were usually leased to customers rather than sold . Service and all software available were usually supplied by manufacturers without separate charge until 1969. Computer vendors usually provided

7636-606: The source code, even to licensees. In 1983, binary software became copyrightable in the United States as well by the Apple vs. Franklin law decision, before which only source code was copyrightable. Additionally, the growing availability of millions of computers based on the same microprocessor architecture created for the first time an unfragmented and big enough market for binary distributed software. Software distributions considered as proprietary may in fact incorporate

7728-495: The user interface. On more recent phones, its place is occupied by a task key used to access the list of recently used apps when actuated. Depending on device, its long press may simulate a menu button press or engage split screen view, the latter of which is the default behaviour since stock Android version 7. Native support for split screen view has been added in stock Android version 7.0 Nougat . The earliest vendor-customized Android-based smartphones known to have featured

7820-434: Was acquired by Google in 2014 that provides helpful tools for app and web developers. Android has a growing selection of third-party applications, which can be acquired by users by downloading and installing the application's APK (Android application package) file, or by downloading them using an application store program that allows users to install, update, and remove applications from their devices. Google Play Store

7912-498: Was described as having "played a pivotal role in Android's history by introducing new software iterations and hardware standards across the board", and became known for its " bloat-free " software with "timely ... updates". At its developer conference in May 2013, Google announced a special version of the Samsung Galaxy S4 , where, instead of using Samsung's own Android customization, the phone ran "stock Android" and

8004-472: Was designed with the presence of discrete physical buttons as an assumption, therefore a touchscreen cannot completely replace physical buttons". By 2008, both Nokia and BlackBerry announced touch-based smartphones to rival the iPhone 3G , and Android's focus eventually switched to just touchscreens. The first commercially available smartphone running Android was the HTC Dream , also known as T-Mobile G1, announced on September 23, 2008. On November 5, 2007,

8096-432: Was facing eviction from its office space. Steve Perlman , a close friend of Rubin, brought him $ 10,000 in cash in an envelope, and shortly thereafter wired an undisclosed amount as seed funding. Perlman refused a stake in the company, and has stated "I did it because I believed in the thing, and I wanted to help Andy." In 2005, Rubin tried to negotiate deals with Samsung and HTC . Shortly afterwards, Google acquired

8188-586: Was initially required, but those requirements have been relaxed or eliminated altogether. For example, as Android was developed initially as a phone OS, hardware such as microphones were required, while over time the phone function became optional. Android used to require an autofocus camera, which was relaxed to a fixed-focus camera if present at all, since the camera was dropped as a requirement entirely when Android started to be used on set-top boxes . In addition to running on smartphones and tablets, several vendors run Android natively on regular PC hardware with

8280-466: Was making software for mobile phones. At Google, the team led by Rubin developed a mobile device platform powered by the Linux kernel . Google marketed the platform to handset makers and carriers on the promise of providing a flexible, upgradeable system. Google had "lined up a series of hardware components and software partners and signaled to carriers that it was open to various degrees of cooperation". Speculation about Google's intention to enter

8372-708: Was promised to receive new system updates fast. The device would become the start of the Google Play edition program, and was followed by other devices, including the HTC One Google Play edition, and Moto G Google Play edition. In 2015, Ars Technica wrote that "Earlier this week, the last of the Google Play edition Android phones in Google's online storefront were listed as "no longer available for sale" and that "Now they're all gone, and it looks

8464-527: Was updated only to MIUI 12.5 for POCO with Android 11 but was planned to update to MIUI 13 for POCO with Android 12. The wide sensor on all K30 variants except for the K30i 5G has been upgraded from a 48 MP sensor to a 64 MP sensor and now features an extra depth sensor. There is an 8 MP ultrawide sensor, and a 2 or 5 MP macro lens. The front-facing camera uses a 20 MP sensor along with a secondary depth module of 2 MP. Android (operating system) Android

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