Bilibili Tech

Aug 1, 2025 · Mobile Development

Revamping a Mobile Video Editor: MVVM + UDF Architecture and Redo/Undo Design

This article details the comprehensive redesign of a mobile video‑editing page, covering background challenges, requirement analysis, MVVM + UDF architectural choices, module decomposition, dependency‑injection implementation, and the design of a robust Redo/Undo system to improve maintainability and user experience.