Scrolling and timelines

Preview: a document page and a scrollable thumbnail sidebarThumbnails relate scrolling to the position in the document
Preview (macOS)Preview: a document page and a scrollable thumbnail sidebar
  1. Thumbnails relate scrolling to the position in the document
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Two-finger scrolling moves through a document without changing its scale. Preview uses this to navigate PDF pages and thumbnails.

Design tips

  • Distinguish scrolling from pinching and respect OS direction and inertia.

Examples