Offline mobile learning

CourseViewer

CourseViewer enables uninterrupted offline learning with local video import parsing, chapter indexing, and background state persistence.

Challenge

Managing large offline media catalogs with nested chapter hierarchies requires low memory overhead and persistent playback markers.

Architect a decoupled local file store with index caching, custom AV player controls, and progress persistence.

A smooth, responsive offline learning experience across iOS tablet and mobile form factors.