The overall interface of KitKat further downplays the "Holo" interface appearance introduced on 4.0, replacing remaining instances of blue accenting with greys and white (such as the status bar icons), and getting rid of the Wi-Fi upstream and downstream traffic indicators (triangles pointing up and down), though they can still be seen in the quick control center menu.
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See also: Android version history § Android 4.4 KitKat User experience Additionally, 4.4 was designed to be more aggressive in managing memory, helping to guard against apps wasting too much memory. This data was used to optimize and decouple Google apps and services found to be inefficient, thus helping to reduce the overall memory usage of Android. Ī development tool known as ProcStats was developed in order to analyze the memory usage of apps over time, especially those that run background services. 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. 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. Development Ĭontinuing 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. Up to October 2017, Android 4.4 was still supported with security patches by Google for the source code. The Nexus 5, developed by LG Electronics, was unveiled on September 30, 2013, as the launch device for KitKat. Īs 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 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. Lagerling phoned a representative of Nestlé, who owns the Kit Kat brand and produces the confectionary (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. Aiming for a codename that was "fun and unexpected", his team pursued the possibility of naming the release "KitKat" instead. 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". Android 4.4 " KitKat" was officially announced on September 3, 2013.
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