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Kuaishou Frontend Engineering
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Kuaishou Frontend Engineering

Explore the cutting‑edge tech behind Kuaishou's front‑end ecosystem

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Recent Articles

Latest from Kuaishou Frontend Engineering

25 recent articles
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Dec 4, 2024 · Frontend Development

How Vision Powers Kuaishou’s Large‑Scale Animation: Architecture, Challenges, and Solutions

This article details the Vision animation platform that underpins Kuaishou’s large‑scale online events, covering its overall architecture, core value, existing production and delivery challenges, evolution roadmap, key runtime and format‑conversion features, as well as dynamic replacement and code‑generation capabilities.

Performance Testinganimation platformcode generation
0 likes · 16 min read
How Vision Powers Kuaishou’s Large‑Scale Animation: Architecture, Challenges, and Solutions
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
May 15, 2024 · Mobile Development

Why iOS App Storage Size Mismatches System Settings and How Kuaishou Fixed It

This article investigates why the storage size shown inside iOS apps often differs from the total size displayed in the iPhone Settings, analyzes four main causes—including app bundle size, binary vs decimal units, measurement scope, and cache path handling—and demonstrates how Kuaishou aligned its storage reporting with the system through experiments and code changes.

Kuaishoufile systemiOS
0 likes · 13 min read
Why iOS App Storage Size Mismatches System Settings and How Kuaishou Fixed It
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Oct 18, 2023 · Mobile Development

Why Upgrading to AGP 7.0.1 Increased APK Size and How We Fixed It

After upgrading Kuaishou's Android project from AGP 3.4.2 to 7.0.1, the APK size unexpectedly grew despite faster builds, leading to a deep investigation of Dex compression, R8 changes, and build tool versions, ultimately revealing a fastutil library mismatch that was resolved by forcing the correct version.

AGPAPK sizeAndroid
0 likes · 16 min read
Why Upgrading to AGP 7.0.1 Increased APK Size and How We Fixed It
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Sep 26, 2023 · Mobile Development

Why Text Gets Cut Off in React Native – Android Measurement Deep Dive & Fixes

This article analyzes the long‑standing React Native text‑truncation issue, explains Android’s text‑measurement architecture—including Spanned, TextPaint, Layout and TextLine—examines two common truncation cases, provides concrete fixes, and proposes a runtime monitoring solution to detect and log such problems.

AndroidReact NativeText Truncation
0 likes · 24 min read
Why Text Gets Cut Off in React Native – Android Measurement Deep Dive & Fixes
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Apr 21, 2022 · Mobile Development

How Kuaishou Optimized iOS App Startup and Prevented Performance Degradation

This article details Kuaishou's systematic approach to iOS app startup optimization, covering premain and postmain phases, dynamic library lazy loading, +load and static initializer monitoring, binary reordering, task scheduling, background fetch, prewarm mechanisms, and a comprehensive anti‑degradation framework to sustain launch performance.

Monitoringapp startupdegradation prevention
0 likes · 26 min read
How Kuaishou Optimized iOS App Startup and Prevented Performance Degradation
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Dec 20, 2021 · Mobile Development

Boost Swift Performance: Compilation, Memory, and Runtime Optimizations

This article explores practical Swift performance enhancements, covering compilation‑time reductions through smarter type inference, memory‑usage improvements via structs, enums, and collection strategies, and runtime speed gains by understanding function dispatch and applying final, private, and lazy sequence techniques.

CompilationSwiftmemory management
0 likes · 17 min read
Boost Swift Performance: Compilation, Memory, and Runtime Optimizations
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Sep 17, 2021 · Mobile Development

How Kuaishou Optimizes Android TTI: From Definition to Real‑Time Monitoring

This article explains the concept of Time To Interactive (TTI) for Kuaishou's Android client, details how the metric is quantified using FrameTime instead of FPS, describes offline and online data‑collection methods, and outlines the scheduling framework and governance measures designed to reduce post‑cold‑start jank.

AndroidFrameTimeTTI
0 likes · 18 min read
How Kuaishou Optimizes Android TTI: From Definition to Real‑Time Monitoring
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Sep 10, 2021 · Mobile Development

Main Thread vs JavaScriptCore: iOS 13 Deadlock Explained & Fixed

An in‑depth analysis reveals how a Main Thread and JavaScriptCore Heap Collector Thread can deadlock on iOS 13 due to RunLoop lock contention triggered by timer callbacks and AutoReleasePool memory reclamation, and provides a practical solution using scoped AutoReleasePool blocks to prevent the issue.

DeadlockRunLoopiOS
0 likes · 18 min read
Main Thread vs JavaScriptCore: iOS 13 Deadlock Explained & Fixed
Kuaishou Frontend Engineering
Kuaishou Frontend Engineering
Aug 30, 2021 · Mobile Development

Why Does NSString Leak in Long‑Running Threads? Exploring ARC and AutoreleasePool

An in‑depth analysis of a memory‑growth issue observed in a Kuaishou live‑stream app reveals how ARC, autorelease pools, and NSString’s class‑cluster implementation interact, why @autoreleasepool blocks resolve the leak, and how compiler optimizations and thread‑local pools affect object release in long‑running C++ threads.

ARCAutoreleasePoolNSString
0 likes · 23 min read
Why Does NSString Leak in Long‑Running Threads? Exploring ARC and AutoreleasePool