WeChat Client Technology Team

Jan 11, 2019 · Mobile Development

Why Your Android App Stutters: Understanding and Fixing UI Lag with TraceCanary

This article explores the causes of UI stutter in Android apps, explains how frame rate and dropped frames affect perceived smoothness, and details practical profiling solutions—including TraceView, BlockCanary, ArgusAPM, and Matrix‑TraceCanary—along with implementation techniques for accurate lag detection and mitigation.