Google touts TikTok Android app improvements like faster launch, smoother UI & playback

guest · Sep 2, 2022

by Abner Li @technacity - September 2, 2022

In a case study, the Android Developer Relations team today detailed recent improvements and optimizations made to TikTok for Android.

With over 1 billion users worldwide, TikTok runs on “various network conditions and device specifications.” Its developers use “data monitoring, peer app comparison and user surveys to track the overall app performance.”
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TikTok’s engineering team cites “janky frames, video playback lag, and network issues” as responsible for slowing down the app, and set out to address each. Chiefly, app startup time was reduced by 45% through: [...]

To offer a smoother user interface, TikTok simplified the app so that it “only renders what is necessary on screen.” It then “reduce[d] the number of task executions in each frame so that the app can have a steady frame rate.” This resulted in smoothness, which is defined as the “chance of the frame rate being lower than the target value,” getting optimized by 49%.
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Android Developers Blog: Precise Improvements: How TikTok Enhanced its Video Social Experience on Android

TL;DR
TikTok serves a wide range of user groups. With users around the world, it’s inevitable that some of them experience network issues such as slow, intermittent, or expensive connectivity. Other users are using entry level devices with limited memory and storage. Ensuring an excellent app experience in all these scenarios is paramount.

TikTok's team was able to significantly improve their overall performance by following Android’s performance guidance, and employing their deep understanding of development tools such as Android Gradle Plugin and Jetpack libraries. If you want to learn how the TikTok team improved their app experience to achieve better business performance, please read our business article here.
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Google touts TikTok Android app improvements like faster launch, smoother UI & playback

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