[iPlayground] 從 0 到 1 的距離，我與 tvOS 的邂逅

This document provides an overview of new features in tvOS 12 and user experience design considerations for Apple TV. It discusses the new TVUIKit framework for incorporating common Apple TV interface elements into apps. New views like TVCardView and TVPosterView are introduced. The document also covers the focus engine in tvOS 12, which includes UIFocusGuide and UIFocusEnvironment to control focus movements. Lessons from the presenter's experience with tvOS development are shared, such as the importance of focus and scroll performance. The presentation concludes by emphasizing focus-based design for the Apple TV platform.