HarmonyOS Developer Technology

Jan 6, 2026 · Mobile Development

HarmonyOS AVPlayer Long Video Development: Smooth Interaction, Stable Playback & PiP

This article details three core aspects of building cinema-grade long video apps with HarmonyOS AVPlayer: smooth gesture-based brightness and orientation controls, stable playback via audio focus management and seamless foreground/background resume, and full functionality including picture-in-picture and background audio playback.