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126-401: The Samsung Galaxy S series is a line of Android -based smartphones and tablet computers produced by Samsung Electronics . In conjunction with the foldable Galaxy Z series , the series serves as Samsung's flagship smartphone lineup, and is the high-end line of the wider Samsung Galaxy family of Android devices. The series initially only consisted of smartphones, and its first device,

252-410: 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

378-412: A native resolution , and it should (ideally) be matched to the video card resolution. Each pixel is made up of triads , with the number of these triads determining the native resolution. On older, historically available, CRT monitors the resolution was possibly adjustable (still lower than what modern monitor achieve), while on some such monitors (or TV sets) the beam sweep rate was fixed, resulting in

504-545: A regular two-dimensional grid . By using this arrangement, many common operations can be implemented by uniformly applying the same operation to each pixel independently. Other arrangements of pixels are possible, with some sampling patterns even changing the shape (or kernel ) of each pixel across the image. For this reason, care must be taken when acquiring an image on one device and displaying it on another, or when converting image data from one pixel format to another. For example: Computer monitors (and TV sets) generally have

630-408: 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

756-402: A "Download Booster" feature to increase download levels to the maximum bandwidth allowed, the ability to restrict the usage of battery by limiting the phone's usage, and USB 3.0 . It lacks the thermometer (temperature) sensor, hygrometer (humidity) sensor, and "Story Album" features from the preceding Galaxy S4, but largely inherited Air View and gesture-related functionality. "Quick glance"

882-410: A "Motion Gestures" feature whereby users can accomplish tasks by moving the phone, color point effects for the camera, and "smart alert" – an optional haptic feedback notification which vibrates the unit when picked up to notify the user. The Galaxy S III is the first Samsung mobile phone with wireless charging support that can be enabled using a special back cover that connects to dedicated pins under

1008-413: A "Smart Manager" feature, and the ability to customize the interface with themes. It also features a new metal and glass build. The Galaxy S6 series removes several features, including some long-term key features, from its predecessors, such as the microSD card slot, Mobile High-Definition Link (MHL) support, water protection , Air Gesture control, Air View , Smart Pause, Smart Rotation, Smart Scroll,

1134-548: A "pixel" may refer to a fixed length rather than a true pixel on the screen to accommodate different pixel densities . A typical definition, such as in CSS , is that a "physical" pixel is 1 ⁄ 96 inch (0.26 mm). Doing so makes sure a given element will display as the same size no matter what screen resolution views it. There may, however, be some further adjustments between a "physical" pixel and an on-screen logical pixel. As screens are viewed at difference distances (consider

1260-420: A 1200 dpi inkjet printer. Even higher dpi numbers, such as the 4800 dpi quoted by printer manufacturers since 2002, do not mean much in terms of achievable resolution . The more pixels used to represent an image, the closer the result can resemble the original. The number of pixels in an image is sometimes called the resolution, though resolution has a more specific definition. Pixel counts can be expressed as

1386-528: A 16:9 aspect ratio which was changed on the Galaxy S8 for the first time. A new feature called Samsung DeX was added, allowing the phone to get a desktop user interface when plugged in a monitor. The Samsung Galaxy S9 and Samsung Galaxy S9+ were unveiled on 25 February 2018 at the Mobile World Congress , with an improved camera, redesigned back panel and improved internals. The fingerprint scanner on

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1512-399: 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

1638-477: A built-in battery now that "consumers could feel confident in charging their phones". The previous year, a Samsung commercial for the Galaxy S5 had mocked the iPhones ' non-replaceable batteries , referring to iPhone users as "wall huggers", citing their incessant dependence on wall charging . It is the first main model phone to feature optical image stabilization on the rear camera and also improves upon it with

1764-694: 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

1890-494: A dedicated digital camera . The Samsung Galaxy S5 was announced on 24 February 2014. It improves upon the Galaxy S4 by adding a heart rate monitor, IP67 water resistance, a fingerprint scanner, the ability to record 4K videos (2160p at 30fps) and 1080p at twice the frame rate (60 fps), phase-detection autofocus which is faster than previously used contrast detection , the ability to take better photos in low light levels,

2016-466: A distance. In some displays, such as LCD, LED, and plasma displays, these single-color regions are separately addressable elements, which have come to be known as subpixels , mostly RGB colors. For example, LCDs typically divide each pixel vertically into three subpixels. When the square pixel is divided into three subpixels, each subpixel is necessarily rectangular. In display industry terminology, subpixels are often referred to as pixels , as they are

2142-450: A fixed native resolution . What it is depends on the monitor, and size. See below for historical exceptions. Computers can use pixels to display an image, often an abstract image that represents a GUI . The resolution of this image is called the display resolution and is determined by the video card of the computer. Flat-panel monitors (and TV sets), e.g. OLED or LCD monitors, or E-ink , also use pixels to display an image, and have

2268-426: A fixed native resolution. Most CRT monitors do not have a fixed beam sweep rate, meaning they do not have a native resolution at all – instead they have a set of resolutions that are equally well supported. To produce the sharpest images possible on an flat-panel, e.g. OLED or LCD, the user must ensure the display resolution of the computer matches the native resolution of the monitor. The pixel scale used in astronomy

2394-402: 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

2520-569: 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

2646-582: A larger pixel size on the image sensor , enabling it to capture more light under the same conditions. Its rear camera aperture of f / 1.7 was the then brightest aperture on any mobile phone camera . Its front camera , although having the same resolution as the Galaxy S6's one (2592×1944 photo; 2560×1440p video), has a brighter f / 1.7 aperture as well, compared to the f / 1.9 on the Galaxy S6. The five-minute time limitation for 2160p video present in preceding devices has been removed. Samsung announced

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2772-442: A limited duration. The first two frame rates are the first increase in the series since the 2014 Samsung Galaxy S5. Its camera has a variable aperture which can switch between f / 1.5 and f / 2.4, making it the first mobile phone since the 2009 Nokia N86 with a variable aperture camera. A subsequent software update retrofitted the feature of warning the user about flaws in photographs such as blinking eyes and blur, which

2898-453: A measured intensity level. In most digital cameras, the sensor array is covered with a patterned color filter mosaic having red, green, and blue regions in the Bayer filter arrangement so that each sensor element can record the intensity of a single primary color of light. The camera interpolates the color information of neighboring sensor elements, through a process called demosaicing , to create

3024-464: 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

3150-471: A phone, a computer display, and a TV), the desired length (a "reference pixel") is scaled relative to a reference viewing distance (28 inches (71 cm) in CSS). In addition, as true screen pixel densities are rarely multiples of 96 dpi, some rounding is often applied so that a logical pixel is an integer amount of actual pixels. Doing so avoids render artifacts. The final "pixel" obtained after these two steps becomes

3276-564: 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

3402-632: 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

3528-419: A single number, as in a "three-megapixel" digital camera, which has a nominal three million pixels, or as a pair of numbers, as in a "640 by 480 display", which has 640 pixels from side to side and 480 from top to bottom (as in a VGA display) and therefore has a total number of 640 × 480 = 307,200 pixels, or 0.3 megapixels. The pixels, or color samples, that form a digitized image (such as a JPEG file used on

3654-403: A single scalar element of a multi-component representation (called a photosite in the camera sensor context, although sensel ' sensor element ' is sometimes used), while in yet other contexts (like MRI) it may refer to a set of component intensities for a spatial position. Software on early consumer computers was necessarily rendered at a low resolution, with large pixels visible to

3780-469: 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

3906-430: A static image, an "Ambient Light" feature whereby the screen brightness can automatically adjust to the light level, a "Smart Stay" feature that can prevent the phone's screen from turning off by looking at the phone, a personal assistant called S Voice , the ability to tag faces in the phone's gallery, an "S Beam" feature to transfer files via NFC , an LED light on the front of the phone that can be used for notifications,

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4032-426: A unit of measure such as: 2400 pixels per inch, 640 pixels per line, or spaced 10 pixels apart. The measures " dots per inch " (dpi) and " pixels per inch " (ppi) are sometimes used interchangeably, but have distinct meanings, especially for printer devices, where dpi is a measure of the printer's density of dot (e.g. ink droplet) placement. For example, a high-quality photographic image may be printed with 600 ppi on

4158-430: 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

4284-432: A web page) may or may not be in one-to-one correspondence with screen pixels, depending on how a computer displays an image. In computing, an image composed of pixels is known as a bitmapped image or a raster image . The word raster originates from television scanning patterns, and has been widely used to describe similar halftone printing and storage techniques. For convenience, pixels are normally arranged in

4410-507: 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

4536-403: Is available: this means that each 24-bit pixel has an extra 8 bits to describe its opacity (for purposes of combining with another image). Many display and image-acquisition systems are not capable of displaying or sensing the different color channels at the same site. Therefore, the pixel grid is divided into single-color regions that contribute to the displayed or sensed color when viewed at

4662-640: 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

4788-485: Is generally thought of as the smallest single component of a digital image . However, the definition is highly context-sensitive. For example, there can be " printed pixels " in a page, or pixels carried by electronic signals, or represented by digital values, or pixels on a display device, or pixels in a digital camera (photosensor elements). This list is not exhaustive and, depending on context, synonyms include pel, sample, byte, bit, dot, and spot. Pixels can be used as

4914-529: 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 ,

5040-438: 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

5166-426: 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

Samsung Galaxy S series - Misplaced Pages Continue

5292-540: Is one of only two Samsung mobile phones to be equipped with thermometer and hygrometer sensors (the other being the Galaxy Note 3 ). Some praised the innovation inherent in all of the Galaxy S4's new features, while others criticized it as feature creep . The resolution of the main (rear) camera was increased to 13 megapixels , and it is able to capture 9.6 megapixel photographs during video recording at 1080p. The front camera has 2.1 megapixels and its video resolution

5418-542: Is present like on the predecessor. The " premium suite upgrade " delivered by Samsung through the update to Android 4.1 later the year retrofitted the split-screen feature from the Galaxy Note 2 , allowing two apps on screen simultaneously. The Samsung Galaxy S4 was announced by Samsung on 14 March 2013. More than 80 million units of the Galaxy S4 were sold, making it the one of the most sold S series phone. With Android 4.2.2, current 5.0.2. New features that this model has compared to its predecessor include: The Galaxy S4

5544-630: Is the angular distance between two objects on the sky that fall one pixel apart on the detector (CCD or infrared chip). The scale s measured in radians is the ratio of the pixel spacing p and focal length f of the preceding optics, s = p / f . (The focal length is the product of the focal ratio by the diameter of the associated lens or mirror.) Because s is usually expressed in units of arcseconds per pixel, because 1 radian equals (180/π) × 3600 ≈ 206,265 arcseconds, and because focal lengths are often given in millimeters and pixel sizes in micrometers which yields another factor of 1,000,

5670-512: 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

5796-693: 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

5922-470: 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

6048-583: The Samsung Galaxy S6 Active . Samsung first announced the Galaxy S6 and Galaxy S6 edge on 1 March 2015. On 13 August 2015, Samsung announced the Galaxy S6 edge+, along with the Galaxy Note5 . The Galaxy S6 series improves upon its predecessors by adding the ability to quickly charge the phone with up to 15 watts using Qualcomm Quick Charge 2.0, virtual reality (compatible with the Galaxy Gear VR),

6174-638: 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

6300-536: 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

6426-659: The Galaxy S , was announced in March 2010 and released in June of that year. Samsung later expanded the Galaxy S line to include tablet computers with the announcement of the Galaxy Tab S in June 2014, which released the next month. The Galaxy Tab series is the related tablet line. The original Samsung Galaxy S smartphone was announced in March 2010 and released on June 4, 2010. The company announced

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6552-654: The One UI software for the first time with Android 9 Pie . In January 2020, the Galaxy S10 Lite was released, a mid-range variant of the S10 containing the same cameras and performance but with lower features. The aspect ratio was changed again on the Galaxy S10 series from the Galaxy S8 series. The Galaxy S10 Lite featured a 20:9 aspect ratio differing from the rest of the Galaxy S10 series. The charging rates above 15 watts supported by

6678-581: 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,

6804-489: The Samsung Galaxy S II on February 13, 2011. Android 2.3.4 ,up to 4.1.2 In 2013, a "Plus" variant was released with only 8 GB of internal storage and slightly different chipset. It also features the TouchWiz "Nature UX" user interface, and the brushed dark blue colour variant ("Pebble Blue"), both known from the Galaxy S III. The Samsung Galaxy S III was announced on May 3, 2012. More than 70 million units of

6930-612: The Samsung Galaxy S20 FE was released, a mid-range variant of the S20 containing similar cameras and performance but with less functionality. Another variant is the Samsung Galaxy S20 Tactical Edition , intended for military use. The Galaxy S20 series featured 120 Hz refresh rate displays with 20:9 aspect ratio. The S20 series are the first Samsung mobile phones with 8K video recording (7680×4320p), excluding

7056-577: The Samsung Galaxy S21 series, consisting of the Samsung Galaxy S21 , Samsung Galaxy S21+ and Samsung Galaxy S21 Ultra , on 14 January 2021. They are the first S Series Lineup to feature 5G models only during launch. On 4 January 2022, the Samsung Galaxy S21 FE was released, a mid-range variant of the S21 containing similar cameras and performance but with lower features. These smartphones lack

7182-527: The Samsung Galaxy S7 edge and the Samsung Galaxy S7 Active , was announced on 21 February 2016. They improve upon the Galaxy S6 by adding an always-on display to optionally show information while the screen is off, a "Dual Pixel" camera feature for faster autofocus, and improved low-light photography. Water resistance and a microSD card reader were added back, both of which had been present on

7308-523: The Samsung Galaxy S8 and Samsung Galaxy S8+ smartphones on 27 March 2017. They feature an iris scanner, which was not present on the Galaxy S7 phones. S Voice has also been replaced by Bixby . In addition, the microUSB port has been replaced by a USB-C 3.0 port, and the physical home button and capacitive buttons have been replaced by on-screen keys. All previous galaxy S series smartphones featured

7434-565: The Sigma 35 mm f/1.4 DG HSM lens mounted on a Nikon D800 has the highest measured P-MPix. However, with a value of 23 MP, it still wipes off more than one-third of the D800's 36.3 MP sensor. In August 2019, Xiaomi released the Redmi Note 8 Pro as the world's first smartphone with 64 MP camera. On December 12, 2019 Samsung released Samsung A71 that also has a 64 MP camera. In late 2019, Xiaomi announced

7560-556: 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

7686-682: 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

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7812-400: 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

7938-419: The gallery software. The Galaxy S6 is the first mobile phone in the Galaxy S series with a nano-SIM card; earlier Galaxy phones use a micro-SIM card or "standard" ( mini-SIM ) card. The S6 Edge Plus, being released simultaneously with the Galaxy Note 5 , is not equipped with an infrared transmitter for use as a remote control . The Samsung Galaxy S7 series, which consists of the Samsung Galaxy S7 ,

8064-566: 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

8190-460: The microSD expandable storage previously featured on the entire Galaxy S series except the 2015 S6, and are, for the first time in the series, not equipped with a 3.5mm audio connector ( coll. "headphone jack"). On an earlier keynote, a Samsung representative mocked the lack thereof of the Apple iPhone 7 on stage. Android (operating system) Android is a mobile operating system based on

8316-494: The original PC . Pixilation , spelled with a second i , is an unrelated filmmaking technique that dates to the beginnings of cinema, in which live actors are posed frame by frame and photographed to create stop-motion animation. An archaic British word meaning "possession by spirits ( pixies )", the term has been used to describe the animation process since the early 1950s; various animators, including Norman McLaren and Grant Munro , are credited with popularizing it. A pixel

8442-523: 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

8568-410: The "anchor" to which all other absolute measurements (e.g. the "centimeter") are based on. Worked example, with a 30-inch (76 cm) 2160p TV placed 56 inches (140 cm) away from the viewer: A browser will then choose to use the 1.721× pixel size, or round to a 2× ratio. A megapixel ( MP ) is a million pixels; the term is used not only for the number of pixels in an image but also to express

8694-436: The "total" pixel count. The number of pixels is sometimes quoted as the "resolution" of a photo. This measure of resolution can be calculated by multiplying the width and height of a sensor in pixels. Digital cameras use photosensitive electronics, either charge-coupled device (CCD) or complementary metal–oxide–semiconductor (CMOS) image sensors, consisting of a large number of single sensor elements, each of which records

8820-534: The 1888 German patent of Paul Nipkow . According to various etymologies, the earliest publication of the term picture element itself was in Wireless World magazine in 1927, though it had been used earlier in various U.S. patents filed as early as 1911. Some authors explain pixel as picture cell, as early as 1972. In graphics and in image and video processing, pel is often used instead of pixel . For example, IBM used it in their Technical Reference for

8946-515: 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

9072-531: 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

9198-514: 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

9324-456: The Galaxy S III were sold, making it the one of the most sold S series phone. It features a split-screen feature whereby users can use two apps simultaneously (available from Android 4.1 up to 4.4.2 "Premium Suite Upgrade"), an upgraded video player software which is first able to play in a movable and re-sizeable pop-up window for simultaneous watching during other tasks, and with motion thumbnails that can preview playing videos rather than only

9450-654: The Galaxy S series with a micro-SIM card; later phones use a nano-SIM card. Since the Galaxy S5, the model number (e.g. SM-G900F ) is no longer displayed on the boot screen. The Samsung Galaxy S6 series marks a counter-utilitarian and fashion-oriented course in the Galaxy S series. It consists of four phones: the Samsung Galaxy S6 , the Samsung Galaxy S6 Edge , the Samsung Galaxy S6 Edge+ and

9576-545: The Galaxy S5, and the latter also on all earlier iterations of the Galaxy S line, but neither present on the Galaxy S6. However, the IR blaster was removed from the Galaxy S7. A single-handed operation mode was added back after removal on the S6, but without on-screen buttons and shortcuts present on the S5. The camera in the Galaxy S7 has 12 megapixels, down from the Galaxy S6's 16 megapixels to achieve

9702-583: The Moon and Mars. Billingsley had learned the word from Keith E. McFarland, at the Link Division of General Precision in Palo Alto , who in turn said he did not know where it originated. McFarland said simply it was "in use at the time" ( c.  1963 ). The concept of a "picture element" dates to the earliest days of television, for example as " Bildpunkt " (the German word for pixel , literally 'picture point') in

9828-634: 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

9954-488: The S10 5G and S10 Lite are the first increase on Samsung flagship smartphones since the 2014 Samsung Galaxy Note 4 . Samsung Galaxy S10e Samsung Galaxy S10 Samsung Galaxy S10+ Samsung Galaxy S10 5G Samsung Galaxy S10 Lite Samsung announced the Samsung Galaxy S20 series, consisting of the Samsung Galaxy S20 , Samsung Galaxy S20+ and Samsung Galaxy S20 Ultra , on 11 February 2020. In October 2020,

10080-469: The S20 FE. Samsung Galaxy S20 Samsung Galaxy S20+ Samsung Galaxy S20 Ultra 5G Up to 2.0 Gbps Download / Up to 150 Mbps Upload, Wi-Fi-Wi-Fi 802.11 a/b/g/n/ac/ax 2.4G+5 GHz, HE80, MIMO, 1024-QAM Up to 1.2 Gbps Download / Up to 1.2 Gbps Upload, Bluetooth- Bluetooth® v 5.0, ANT+, USB type-C, NFC, Location (GPS, Galileo, Glonass, BeiDou) Samsung Galaxy S20 FE Samsung announced

10206-493: 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

10332-479: 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

10458-453: 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

10584-662: The allocation of the primary colors (green has twice as many elements as red or blue in the Bayer arrangement). DxO Labs invented the Perceptual MegaPixel (P-MPix) to measure the sharpness that a camera produces when paired to a particular lens – as opposed to the MP a manufacturer states for a camera product, which is based only on the camera's sensor. The new P-MPix claims to be a more accurate and relevant value for photographers to consider when weighing up camera sharpness. As of mid-2013,

10710-401: The back is relocated to below the rear-facing camera, and the earpiece becomes an additional speaker for stereo sound. The Galaxy S9 is the first flagship phone by Samsung to support recording 2160p (4K) at 60 frames per second (twice as much as the preceding Galaxy S5 to S8), 1080p at 240 frames per second (four times as much as the S5 to S8) and super slow motion at 960 frames per second for

10836-529: The basic addressable elements in a viewpoint of hardware, and hence pixel circuits rather than subpixel circuits is used. Most digital camera image sensors use single-color sensor regions, for example using the Bayer filter pattern, and in the camera industry these are known as pixels just like in the display industry, not subpixels . For systems with subpixels, two different approaches can be taken: This latter approach, referred to as subpixel rendering , uses knowledge of pixel geometry to manipulate

10962-415: The brighter f / 1.9 aperture that enables improved low-light performance for both photography and video recording, the first Samsung phone with a dedicated camera quick launcher ( home button double-press) and also the first Samsung flagship device to capture slow motion video with audio and original framerate (120 frames per second) which can be edited in a precluded editor software accessible through

11088-479: 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

11214-513: 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

11340-555: 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

11466-511: 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

11592-521: The depth is normally the sum of the bits allocated to each of the red, green, and blue components. Highcolor , usually meaning 16 bpp, normally has five bits for red and blue each, and six bits for green, as the human eye is more sensitive to errors in green than in the other two primary colors. For applications involving transparency, the 16 bits may be divided into five bits each of red, green, and blue, with one bit left for transparency. A 24-bit depth allows 8 bits per component. On some systems, 32-bit depth

11718-567: 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

11844-480: The final image. These sensor elements are often called "pixels", even though they only record one channel (only red or green or blue) of the final color image. Thus, two of the three color channels for each sensor must be interpolated and a so-called N-megapixel camera that produces an N-megapixel image provides only one-third of the information that an image of the same size could get from a scanner. Thus, certain color contrasts may look fuzzier than others, depending on

11970-452: The first camera phone with 108 MP 1/1.33-inch across sensor. The sensor is larger than most of bridge camera with 1/2.3-inch across sensor. One new method to add megapixels has been introduced in a Micro Four Thirds System camera, which only uses a 16 MP sensor but can produce a 64 MP RAW (40 MP JPEG) image by making two exposures, shifting the sensor by a half pixel between them. Using a tripod to take level multi-shots within an instance,

12096-573: 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

12222-427: The formula is often quoted as s = 206 p / f . The number of distinct colors that can be represented by a pixel depends on the number of bits per pixel (bpp). A 1 bpp image uses 1 bit for each pixel, so each pixel can be either on or off. Each additional bit doubles the number of colors available, so a 2 bpp image can have 4 colors, and a 3 bpp image can have 8 colors: For color depths of 15 or more bits per pixel,

12348-437: 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

12474-559: 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

12600-481: 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

12726-607: 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

12852-475: 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,

12978-479: The naked eye; graphics made under these limitations may be called pixel art , especially in reference to video games. Modern computers and displays, however, can easily render orders of magnitude more pixels than was previously possible, necessitating the use of large measurements like the megapixel (one million pixels). The word pixel is a combination of pix (from "pictures", shortened to "pics") and el (for " element "); similar formations with ' el' include

13104-513: 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

13230-409: 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

13356-401: The number of image sensor elements of digital cameras or the number of display elements of digital displays . For example, a camera that makes a 2048 × 1536 pixel image (3,145,728 finished image pixels) typically uses a few extra rows and columns of sensor elements and is commonly said to have "3.2 megapixels" or "3.4 megapixels", depending on whether the number reported is the "effective" or

13482-546: 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

13608-534: The one-handed operation mode, increased sensitivity of the capacitive touch screen for use with gloves, and USB 3.0 support. In addition, the batteries in the Galaxy S6 and Galaxy S6 edge are smaller than the battery in the Galaxy S5, and are not replaceable by end users. Justin Denison, then vice president of product strategy at Samsung, stated on stage at the Unpacked 2015 Episode 1 keynote event that they had opted for

13734-526: 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

13860-448: The rear cover. Like its predecessor, its rear camera has eight megapixels (3264×2448) and 1080p video recording, though the S3 adds stereo audio recording, as well as the ability to simultaneously capture 6 megapixel (3264×1836) photos while filming, which is the image sensor's highest 16:9 aspect ratio crop. The front camera's video resolution has increased from 480p to 720p. No megapixel label

13986-520: 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

14112-419: 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

14238-482: The source code to run on their hardware. Megapixel Each pixel is a sample of an original image; more samples typically provide more accurate representations of the original. The intensity of each pixel is variable. In color imaging systems, a color is typically represented by three or four component intensities such as red, green, and blue , or cyan, magenta, yellow, and black . In some contexts (such as descriptions of camera sensors ), pixel refers to

14364-453: The three colored subpixels separately, producing an increase in the apparent resolution of color displays. While CRT displays use red-green-blue-masked phosphor areas, dictated by a mesh grid called the shadow mask, it would require a difficult calibration step to be aligned with the displayed pixel raster, and so CRTs do not use subpixel rendering. The concept of subpixels is related to samples . In graphic, web design, and user interfaces,

14490-495: 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

14616-508: The words voxel ' volume pixel ' , and texel ' texture pixel ' . The word pix appeared in Variety magazine headlines in 1932, as an abbreviation for the word pictures , in reference to movies. By 1938, "pix" was being used in reference to still pictures by photojournalists. The word "pixel" was first published in 1965 by Frederic C. Billingsley of JPL , to describe the picture elements of scanned images from space probes to

14742-434: 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

14868-490: 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

14994-472: 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,

15120-432: 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

15246-648: Was first implemented on the Galaxy Note 9 . Samsung announced the Samsung Galaxy S10 series, consisting of the Samsung Galaxy S10e , Samsung Galaxy S10 , Samsung Galaxy S10+ and Samsung Galaxy S10 5G On 20 February 2019 to commemorate the 10th Anniversary of the S Series lineup . The Galaxy S10 series introduced many new features such as an ultrasonic in-display fingerprint scanner, ultra wide lens, reverse wireless charging, 5G and Samsung's first hole-punch selfie camera design. The Galaxy S10 series debuted

15372-408: Was increased to 1080p . Optional location-based contextual file names can facilitate later browsing. Its variants are the rugged and water-resistant S4 Active , the lower-priced mid-class S4 Mini , as well as the hybrid S4 Zoom , which is equipped with an optical zoom lens with 10× magnification, more powerful Xenon flash , tripod mount, and rotary knob lens ring, combining a mobile phone with

15498-586: 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

15624-466: 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

15750-683: 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

15876-413: Was replaced with "Air wake-up", which allows waking up the smartphone from stand-by mode by hovering over the proximity sensor. The Galaxy S5 is the first Samsung mobile phone where the touch key on the left side of the home button is a task key instead of an option key, and the last mobile phone in the Galaxy S series to be equipped with a user-replaceable battery. The Galaxy S5 is the last mobile phone in

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