JD Retail Technology

Jul 6, 2022 · Mobile Development

R File Slimming and ID Inlining for Android Pluginized Applications

This article examines the problem of growing APK sizes caused by R.java files in JD.com's Android pluginized client, analyzes the feasibility of R file slimming, and presents a Gradle Transform and ASM‑based solution that inlines resource IDs, removes R files, and achieves 3‑5% size reduction without noticeable build‑time impact.