Screenshot of One UI running on Galaxy Note 9 smartphone
|OS family||Linux (Based on Android), Unix-like|
|Latest release||1.5（Android 9.0） / August 14, 2019|
|Update method||Firmware over-the-air|
|Kernel type||Monolithic (modified Linux kernel)|
|Default user interface||Graphical|
|Preceded by||Samsung Experience|
|Official website||Official website|
One UI is a software overlay developed by Samsung Electronics for its Android devices. Succeeding Samsung Experience and TouchWiz, it is designed to be further streamlined, with specific optimizations to ease one-handed use of smartphones with large screens. It is also designed to be more visually comforting. To provide more clarity, some elements of the UI are tweaked to match the colours that are based on the colour of your phone. It was unveiled at Samsung's developer conference in 2018, and first introduced as part of Samsung firmware updates to Android 9 "Pie".
One UI was designed as part of a goal to make Samsung's hardware and software "work together in perfect harmony", and provide a more "natural" experience on large-screen smartphones. A prominent design pattern in included applications is to intentionally place common features and user interface elements along the bottom of the screen rather than near the top. This makes them easier to reach with a user's thumb when using the device one-handed. For similar reasons, apps utilise large headers to push their main content towards the vertical centre of the screen. The navigation bar supports the use of gestures, while a system-wide "night mode" was also added (which gives UI elements and supported applications a darkened color scheme). As with Android Pie upstream, the Overview screen of recent apps uses a horizontal layout, as opposed to the vertical layout of previous versions.
One UI is being released for existing Samsung devices throughout 2019 as part of updates to Android 9 "Pie", beginning with the Galaxy S9 and Galaxy Note 9 in January 2019, the Galaxy S8 and Note 8 in February 2019, the Galaxy Note Fan Edition in March 2019, the Galaxy S7 in April 2019 (Unofficialy by portage of Galaxy Note Fan Edition portage), various mid-range and low-end models (particularly Galaxy A and Galaxy J series models released since 2017) through the middle of the year, and selected Galaxy Tab models in late-2019.
Samsung launched a public beta of the One UI updates in November 2018.
- Zhou, Marrian. "Samsung's One UI, which will power the Galaxy S10, makes US debut on the Galaxy S9". CNET. Retrieved 2019-02-21.
- "Galaxy S10 preview: One UI is the clean break from Android Samsung has always wanted". PCWorld. 2019-02-19. Retrieved 2019-02-21.
- Bohn, Dieter (2019-02-19). "Samsung's One UI is the best software it's ever put on a smartphone". The Verge. Retrieved 2019-02-20.
- Tibken, Shara. "Samsung redesigns its smartphone user interface with One samsung UI". CNET. Retrieved 2019-02-20.
- Etienne, Stefan (2019-02-15). "Samsung's new Galaxy Tab S5e is its lightest and thinnest tablet ever". The Verge. Retrieved 2019-02-21.
- Bohn, Dieter (2019-01-29). "Samsung begins US rollout of Android 9 Pie and One UI, but slowly". The Verge. Retrieved 2019-02-21.
- "Galaxy Note 8 Android Pie update may come before the Galaxy S8's". SamMobile. Retrieved 2019-02-21.
- Cipriani, Jason. "Samsung opens registration for the One UI beta". ZDNet. Retrieved 2019-02-21.
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