51CTO HarmonyOS Developer Community

May 29, 2026 · Mobile Development

HarmonyOS Floating Window Adaptation: Three-Tier UI for Minimal Usable Interface

This article details a three-tier information architecture (full, compact, minimal) for adapting HarmonyOS native apps to floating windows on foldable devices like the Pura X Max, showing how to preserve only essential UI elements — title, status, and primary action — in minimal mode while progressively restoring context as window width increases.