Tizen 2.2 beta screen
|Developer||Linux Foundation, Tizen Association, Samsung, Intel|
|Source model||Operating system: Open source
|Initial release||January 5, 2012|
|Latest release||2.3.0_Rev2 / February 13, 2015|
|Marketing target||PCs, tablets, smartphones, GPS smartnav, in-vehicle infotainment, smart TV, wearable computing, Samsung Smart Home|
|Package manager||RPM Package Manager|
|Platforms||ARM and x86|
|Kernel type||Monolithic (Linux)|
|Default user interface||Graphical (Native and Web applications)|
|License||Operating system: GPLv2, LGPL, Apache License, BSD, Flora License
Tizen (//) is an operating system based on the Linux kernel and the GNU C Library implementing the Linux API. It targets a very wide range of devices including smartphones, tablets, in-vehicle infotainment (IVI) devices, smart TVs, PCs, smart cameras, wearable computing (such as smartwatches), Blu-ray players, printers and smart home appliances (such as refrigerators, lighting, washing machines, air conditioners, ovens/microwaves and a robotic vacuum cleaner). Its purpose is to offer a consistent user experience across devices. Tizen is a project within the Linux Foundation and is governed by a Technical Steering Group (TSG) composed of Samsung and Intel among others.
Tizen's licensing model involves software that uses a variety of licenses that may be incompatible with the Open Source Definition (see Licensing model below), and a proprietary software development kit (SDK).
The Tizen Association was formed to guide the industry role of Tizen, including requirements gathering, identifying and facilitating service models, and overall industry marketing and education. Members of the Tizen Association represent every major sector of the mobility industry and every region of the world. Current members include telecommunications network operators, OEMs and manufacturers: Fujitsu, Huawei, Intel, KT Corporation, NEC Casio Mobile Communications, NTT DoCoMo, Orange S.A., Panasonic Mobile Communications, Samsung, SK Telecom, Sprint Corporation and Vodafone. While the Tizen Association decides what needs to be done in Tizen, the Technical Steering Group determines what code is actually incorporated into the operating system to accomplish those goals. Tizen roots back to the Samsung Linux Platform (SLP) and the LiMo Project and in 2013 Samsung merged its homegrown Bada project into Tizen.
The first week of October 2013, Samsung's NX300M smart camera became the first consumer product based on Tizen; it was sold in South Korea for a month before its OS was revealed at the Tizen Developer Summit, then became available for pre-order in the United States in early 2014 with a release date of March 1. The first Tizen tablet was announced by Systena in June 2013, a 10-inch quad-core ARM with 1920x1200 resolution that was eventually shipped in late October 2013 as part of a development kit exclusive to Japan. The Samsung Gear 2 smartwatch uses Tizen and it was released in April 2014. The Samsung ZEQ 9000 was expected to be the first commercially available smartphone running the operating system, but its planned launch at Mobile World Congress 2014 did not happen.
The Tizen Association was formed to guide the industry role of Tizen, including gathering requirements, identifying and facilitating service models and overall industry marketing and education.
- oFono is the telephony stack
- Smack is utilized to sandbox HTML5 web applications.
- Windowing system
- ZYpp was chosen as package management system (PMS)
- ConnMan was chosen over NetworkManager
The Core Mobile Web Platform Community Group (Coremob) brings developers, equipment manufacturers, browser vendors and operators together to agree on core features that developers can depend on.
In late January 2013, Tizen 2.0 scored highest at the time in an HTML5 test of any browsers. As the old HTML5 tests were phased out on November 13, 2013, Tizen 2.2 fell below BlackBerry 10.2 at 494 out of 555 points. However, as of December 2013[update] desktop browsers had regained the advantage, and results for Tizen 2.2 on a Samsung device score highest overall in mobile, with a score of 497 points.
Applications based on Qt, GTK+ and EFL frameworks can run on Tizen IVI. While there is no official support for these third-party frameworks, according to the explanation on the Tizen SDK Web site, Tizen applications for mobile devices can be developed without relying on an official Tizen IDE as long as the application complies with Tizen packaging rules. In May 2013, a community port of Qt to Tizen focused on delivering native GUI controls and integration of Qt with Tizen OS features for smartphones. Based on the Qt port to Tizen, Tizen and mer can interchange code.
Tizen 2.x has a complicated licensing model, in part due to the patent troll problem that exists in the global smartphone market . While Apple has pursued patent litigation and even transferred some to known trolls  to pursue Tizen partners (HTC, LG, Samsung, and more), by early 2014 cross-licensing among hardware manufacturers was happening  more broadly. Extending open source software and patenting the extension is an option that most open source licenses do not restrict.
Tizen's open governance model was created through public input, suggestions, criticism, or participation, for Tizen 3.0.
The operating system consists of many open source components. A number of components internally developed by Samsung (e.g., boot animation, calendar, task manager, music player applications) are, however, released under the Flora License, essentially a BSD- or Apache-style license except granting patents to "Tizen Certified Platform" only.
Flora is not approved by the Open Source Initiative. Therefore, it is unclear whether developers can legally use the native application framework and its graphical components to make GPL applications. Source code access is guaranteed however.
Tizen comes from a long history of Linux adoption by manufacturers. A complete family tree is available.
Samsung's collaboration with the EFL project, and especially Carsten Haitzler, was known as LiMo for years. It was renamed Tizen when Intel joined the project in September 2011, after leaving the MeeGo project. A common misconception is that Tizen is a continuation of MeeGo. In fact, it builds on Samsung Linux Platform (SLP), a reference implementation delivered within LiMo.
On January 1, 2012, the LiMo Foundation was renamed Tizen Association. The Tizen Association is led by a Board of Directors from Samsung, Intel, Huawei, Fujitsu, NEC, Panasonic, KT Corporation, Sprint Corporation, SK Telecom, Orange, NTT DoCoMo, and Vodafone. The Tizen Association works closely with the Linux Foundation, which supports the Tizen open source project.
On May 7, 2012, American wireless carrier Sprint Nextel (now Sprint Corporation) announced it had agreed to become part of the Tizen Association and planned to include Tizen-powered devices in their future lineup.
On September 16, 2012 the Automotive Grade Linux Workgroup announced it will work with the Tizen project as the reference distribution optimized for a broad set of automotive applications such as Instrumentation Cluster and In-Vehicle-Infotainment (IVI).
On September 25, 2012, Tizen released version 2.0 alpha, code-named Magnolia. It offered an enhanced Web-based framework with more features, better HTML5/W3C API support and more device APIs, multi-process Webkit2-based Web Runtime and better security for Web applications. Support for OpenGL ES has been enhanced. Newly added Platform SDK has been provided to help with platform development based on Open Build Service (OBS).
On February 18, 2013, Tizen released version 2.0, code-named Magnolia. Apart from further enhancements of the Web frameworks and APIs, native application framework with Integrated development environment and associated tools have been added supporting features such as background applications, IP push, and text-to-speech. Inclusion of this framework is an effect of the expected merging parts of the Open Services Platform (OSP) framework and APIs of the Bada operating system with the Tizen platform.
On April 2013 Samsung announced Tizen Port-a-thon. This campaign supports Bada developers' early entry into the Tizen market by providing technical support and incentives.
On May 17, 2013, Tizen released version 2.1, code-named Nectarine.
On July 22, 2013, Tizen released version 2.2.
On November 9, 2013, Tizen released version 2.2.1.
On May 14, 2014, It was announced that Tizen:Common would Ship with Qt integrated. This marks the ability for Tizen to support Qt native apps.
On November 8, 2014, Tizen released version 2.3.
Allegedly, the first Tizen devices were planned for the second half of 2012. Samsung then clarified that first quarter of 2013 is not a date of actual product launch, but of demonstrations at Mobile World Congress. Tizen Devices made by Samsung were said to ship in 2013, perhaps in August or September, then replaced to "Later in 2013", and then perhaps in early 2014.
In February 2014, Samsung unveiled the Samsung Gear 2 and the Gear 2 Neo, running Tizen instead of Android used in the original Samsung Galaxy Gear. They were released in April 2014. On May 31, 2014, Samsung released an update for the original Galaxy Gear, switching the OS from Android to Tizen.
In June 2014, Samsung launched the first Tizen-based smartphone, the Samsung Z SM-Z910F. It was released in Russia in the 3rd quarter, after which it will be brought to more markets. Also at the Tizen Developer Conference 2014, Samsung showed a prototype of a Tizen-based smart TV's.
- Comparison of mobile operating systems
- HTML5 in mobile devices
- Comparison of commercial GPS software
- Bada, an operating system for mobile phones, forms the native application framework of Tizen 2.0 and later.
- Sailfish OS, an operating system for mobile phones that is Mer-based
- Tizen UI Overview
- Tizen 2.3 SDK Release Notes
- Samsung show off Tizen TV
- Tizen Target Market
- About Tizen
- Tizen FAQ
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- Galaxy Gear gets updated to Tizen
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