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The operating system was first released in 2014 asAndroid Wear, and took its current name in 2018.[17] Analysts estimate that over 720,000 Android Wear smartwatches were shipped in 2014, the year of its launch.[18] By mid-October 2022, the Wear OS app had more than 50 million downloads.[19] Wear OS was estimated to account for 17.3% of the smartwatch market in Q3 2021, behind Apple's 21.8%. Samsung accounts for the majority of Wear OS devices sold,[20] due to its switch back fromTizen to Wear OS in 2021.[21]
Logo for Android Wear, the previous name of the operating system
The platform was announced on March 18, 2014, along with the release of a developer preview. At the same time, companies such asMotorola,Samsung,LG,HTC andAsus were announced as partners.[22] On June 25, 2014, atGoogle I/O, the Samsung Gear Live and LG G Watch were launched, along with further details about Android Wear. The LG G Watch is the first Android Wear smartwatch to be released and shipped.Motorola'sMoto 360 was released on September 5, 2014.
On December 10, 2014, an update started to roll out, adding new features including a watch face API and changed the software to be based onAndroid 5.0 "Lollipop".[23]
On August 31, 2015, Google launched a Wear OS app foriOS version8.2 or newer, allowing limited support for receiving iOS notifications on smartwatches running Wear OS.[32] As of September 2015[update], only the LG Watch Urbane and Huawei Watch are supported, but Google announced support for more smartwatch models.[13][33]
In March 2018, Android Wear was rebranded as Wear OS. It was stated that the renaming "better reflects our technology, vision, and most important of all — the people who wear our watches."[34] In September 2018, Google announced Wear OS 2.0, which made the personalized Google feed (replacingGoogle Now) and new fitness tracking platformGoogle Fit accessible from the watch face, and redesigned the notification area to use a scrolling pane rather than pages, and support automatically generated smart replies (as onAndroid Pie).[35][36] In November 2018, the underlying platform of Wear OS was upgraded to a version of Android Pie.[37]
In January 2021, Google completed its acquisition of wearables manufacturerFitbit; upon its announcement of the purchase in November 2019, Google's head of hardwareRick Osterloh stated that it would be "an opportunity to invest even more in Wear OS as well as introduce Made by Google wearable devices into the market."[38][39]
Wear OS devices by Samsung
In May 2021 at Google I/O, Google announced a major update to the platform, internally known as Wear OS 3.0. It incorporates a new visual design inspired byAndroid 12, and Fitbit exercise tracking features. Google also announced a partnership withSamsung Electronics, who is collaborating with Google to unify itsTizen-based smartwatch platform with Wear OS, and has committed to using Wear OS on its future smartwatch products. The underlying codebase was also upgraded toAndroid 11.[40][41] Wear OS 3.0 will be available to Wear OS devices running Qualcomm Snapdragon Wear 4100system on chip, and will be an opt-in upgrade requiring a factory reset to install.[42]
Wear OS can synchronize notifications from a paired device, and supports voice control with the "OK Google" hotword along with gesture-based input.[43] Wear OS integrates with Google services such as theGoogle Assistant andGoogle Mobile Services (includingGmail,Google Maps, andGoogle Wallet), as well as third-party watch apps fromPlay Store.[44][45] From the watch face, the user can swipe up to access their notifications, down to access a quick settings panel, from the left to view their personalized Google feed, and the right to viewGoogle Fit.[43] Via Google Fit and similar applications, Wear OS supports ride and run tracking, and devices containing heart rate sensors can perform a reading on-demand, or at intervals throughout the day.[46] The watch can control media being played on streamed on paired devices.[45][44]
Enables Battery Saver mode to only display the time once the battery falls below 10%
Improves restoring the state of previously used apps
Watches now enter a deep sleep mode after 30 minutes of inactivity
Holding down the power button now provides options for shutting down or restarting the watch
Wear OS App version: 2.20
2.6
May 2019
Tiles functionality when swiping left, providing access to next calendar events, weather forecast, heart rate, news headlines and timer functionality[68]
^abcZhu, Xiao; Guo, Yihua Ethan; Nikravesh, Ashkan; Qian, Feng;Mao, Z. Morley (20 June 2019). "Understanding the Networking Performance of Wear OS".Abstracts of the 2019 SIGMETRICS/Performance Joint International Conference on Measurement and Modeling of Computer Systems.Association for Computing Machinery. p. 3:2.doi:10.1145/3309697.3331475.ISBN978-1-4503-6678-6.The proprietary nature of Wear OS makes it even harder to gain deep visibility into the wearable networking stack. Note that unlike Android for handheld devices, Wear OS is not open-source.
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