QuickLook

Preview documents, media, and 3D models with QLPreviewController and generate fast, cached file thumbnails with QLThumbnailGenerator in iOS and iPadOS.

Contents

• SwiftUI QuickLook Previews
• UIKit QLPreviewController
• Thumbnail Generation with QLThumbnailGenerator
• Custom QLPreviewItem Conformance
• Common Mistakes
• Review Checklist
• References

SwiftUI QuickLook Previews

The .quickLookPreview modifier presents system file previews directly from SwiftUI when binding to an optional local URL.