Android 4.4.2 KitKat
| A version of the Android operating system | |
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Android 4.4.2 KitKat running on a Nexus 5.
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| Developer | |
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| Released to manufacturing |
October 31, 2013 |
| Latest release | 4.4.4 (KTU84P) / June 19, 2014 |
| Preceded by | Android 4.3.1 "Jelly Bean" |
| Succeeded by | Android 5.x "Lollipop" |
| Official website | Official website |
| Support status | |
| Third-party application support only | |
Android 4.4–4.4.4 "KitKat" is a version of the Android mobile operating system developed by Google, spanning versions between 4.4 and 4.4.4. Unveiled on September 3, 2013, KitKat focused primarily on optimizing the operating system for improved performance on entry-level devices with limited resources.
Android 4.4 "KitKat" was officially announced on September 3, 2013. The release was internally codenamed "Key Lime Pie"; John Lagerling, director of Android global partnerships, and his team, decided to drop the name, arguing that "very few people actually know the taste of a key lime pie". Aiming for a codename that was "fun and unexpected", his team pursued the possibility of naming the release "KitKat" instead. Lagerling phoned a representative of Nestlé, who owns the Kit Kat brand and produces the confectionery (outside the United States, where it is produced by The Hershey Company under license), and quickly reached a preliminary deal for a promotional collaboration between the two companies, later finalized in a meeting at Mobile World Congress in February 2013. The partnership was not revealed publicly, or even to other Google employees and Android developers (who otherwise continued to internally refer to the OS as "KLP"), until its official announcement in September.
As part of the promotional efforts, Kit Kat bars in the shape of the Android robot logo were produced, while Hershey ran a contest in the United States with prizes of Nexus 7 tablets and Google Play Store credit.
The Nexus 5, developed by LG Electronics, was unveiled on September 30, 2013, as the launch device for KitKat.
As of January 2017, security vulnerabilities identified in Android 4.4.4 continue to have patches published to the Android Open Source Project.
Continuing on from the focus on improving visual performance and responsiveness on Android 4.1 "Jelly Bean", the main objective of Android 4.4 was to optimize the platform for better performance on low-end devices, without compromising its overall capabilities and functionality. The initiative was codenamed "Project Svelte", which Android head of engineering Dave Burke joked was a weight loss plan after Jelly Bean's "Project Butter" added "weight" to the OS. To simulate lower-spec devices, Android developers used Nexus 4 devices underclocked to run at a reduced CPU speed with only a single core active, 512 MB memory, and at 960×540 display resolution—specifications meant to represent a common low-end Android device.
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