Pdfkit
Display and manipulate PDF documents using PDFKit.
Install
npx skills add dpearson2699/swift-ios-skills --skill pdfkit -g -a claude-code -y- Repository
- dpearson2699/swift-ios-skills1.3k
- Category
- Documents
- Updated
- 3mo ago
- License
- See repository
- Context cost
- Mediumabout 3,000 tokens
- Runs scripts
- No, instructions only
What it does
Display and manipulate PDF documents using PDFKit. Use when embedding PDFView to show PDF files, creating or modifying PDFDocument instances, adding annotations (highlights, notes, signature widgets), extracting text with PDFSelection, navigating pages, generating thumbnails, filling PDF forms, or wrapping PDFView in SwiftUI.
PDFKit
Display, navigate, search, annotate, and manipulate PDF documents with PDFView, PDFDocument, PDFPage, PDFAnnotation, and PDFSelection.
Contents
- Setup
- Displaying PDFs
- Loading Documents
- Page Navigation
- Text Search and Selection
- Annotations
- Thumbnails
- SwiftUI Integration
- Common Mistakes
- Review Checklist
- References
Setup
PDFKit requires no entitlements or Info.plist entries.
import PDFKit
| API | Availability |
|---|---|
| PDFKit framework | iOS/iPadOS/tvOS 11+, Mac Catalyst 13.1+, macOS 10.4+, visionOS 1.0+ |
| Find interaction and page overlays | iOS/iPadOS 16+ |
Displaying PDFs
PDFView renders PDF content and handles zoom, scrolling, text selection, and page navigation.
import PDFKit
import UIKit
class PDFViewController: UIViewController {
let pdfView = PDFView()
override func viewDidLoad() {
super.viewDidLoad()
pdfView.frame = view.bounds
pdfView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(pdfView)
pdfView.autoScales = true
pdfView.displayMode = .singlePageContinuous
pdfView.displayDirection = .vertical
if let url = Bundle.main.url(forResource: "sample", withExtension: "pdf") {
pdfView.document = PDFDocument(url: url)
}
}
}
Display Modes
| Mode | Behavior |
|---|---|
.singlePage | One page at a time |
.singlePageContinuous | Pages stacked vertically, scrollable |
.twoUp | Two pages side by side |
.twoUpContinuous | Two-up with continuous scrolling |
Scaling and Appearance
pdfView.autoScales = true
pdfView.minScaleFactor = pdfView.scaleFactorForSizeToFit
pdfView.maxScaleFactor = 4.0
