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JD Tech
JD Tech
Oct 19, 2024 · Mobile Development

HarmonyOS Long List Rendering Solutions: ForEach, LazyForEach, CacheCount, and Component Reuse

This article explains HarmonyOS long‑list rendering techniques, comparing the one‑time ForEach approach with the on‑demand LazyForEach method, and detailing cacheCount and @Reusable component reuse strategies, migration challenges from iOS/Android, ArkTS and C‑API implementations, and performance test results.

ArkTSComponent ReuseHarmonyOS
0 likes · 17 min read
HarmonyOS Long List Rendering Solutions: ForEach, LazyForEach, CacheCount, and Component Reuse
JD Tech Talk
JD Tech Talk
Sep 24, 2024 · Frontend Development

Optimizing Long List Rendering on HarmonyOS: ArkTS and C++ Solutions

This article examines the challenges of rendering long lists on HarmonyOS across iOS, Android, and Web platforms, explains the ForEach and LazyForEach mechanisms, and presents practical ArkTS and C++ solutions—including cacheCount, component reuse, and performance optimizations—to achieve smoother UI and lower memory usage.

ArkTSC++Component Reuse
0 likes · 19 min read
Optimizing Long List Rendering on HarmonyOS: ArkTS and C++ Solutions