---
title: "Customize PDF annotation toolbar with SwiftUI for iOS"
canonical_url: "https://www.nutrient.io/guides/ios/samples/swiftui-annotationt-toolbar/"
md_url: "https://www.nutrient.io/guides/ios/samples/swiftui-annotationt-toolbar.md"
last_updated: "2026-06-08T09:14:14.417Z"
description: "Learn to create a custom annotation toolbar with SwiftUI. Access the complete SwiftUI PDF library for more resources and examples!"
---

# Customize PDF annotation toolbar with SwiftUI for iOS

Display a custom annotation toolbar created with SwiftUI. Get additional resources by visiting our [SwiftUI PDF library](/guides/ios/getting-started/swiftui.md).

[Get Started](https://www.nutrient.io/sdk/ios/getting-started.md)

[All Samples](https://www.nutrient.io/guides/ios/samples.md)

[Download](https://www.nutrient.io/guides/ios/downloads.md)

[Launch Demo](https://www.nutrient.io/demo/)

---

```swift

//
//  Copyright © 2019-2026 PSPDFKit GmbH. All rights reserved.
//
//  The Nutrient sample applications are licensed with a modified BSD license.
//  Please see License for details. This notice may not be removed from this file.
//

import Combine
import os
import PSPDFKit
import PSPDFKitUI
import SwiftUI

private let logger = Logger(subsystem: "com.pspdfkit.catalog", category: "swiftui-toolbar-example")

class SwiftUIAnnotationToolbarExample: Example {

    override init() {
        super.init()

        title = "SwiftUI Custom Annotation Toolbar Example"
        contentDescription = "Shows how to show a custom annotation toolbar in SwiftUI."
        category =.swiftUI
        priority = 11
    }

    override func invoke(with delegate: ExampleRunnerDelegate) -> UIViewController? {
        let document = AssetLoader.writableDocument(for:.welcome, overrideIfExists: false)
        let swiftUIView = SwiftUIAnnotationToolbarExampleView(document: document)
        return UIHostingController(rootView: swiftUIView, largeTitleDisplayMode:.never)
    }
}

/// The store that bridges the annotation mode to the PDFViewController.
@MainActor final class SwiftUIAnnotationToolbarStore: ObservableObject {
    @MainActor final class AnnotationModeStore: ObservableObject {
        var stateKVO: AnyCancellable?

        @Published var annotationMode: Annotation.Tool? {
            didSet {
                annotationStateManager?.state = annotationMode
                logger.info("New State: \(self.annotationMode?.rawValue?? "(none)")")
            }
        }

        // Connected from the PSPDFVC
        var annotationStateManager: AnnotationStateManager? {
            didSet {
                // Add KVO to forward state changes.
                // Implementation note: More complex versions might also need `variant` to capture the full state.
                guard let manager = annotationStateManager else { return }
                stateKVO = manager.publisher(for: \.state).sink { [weak self] newValue in
                    guard let self else { return }

                    if self.annotationMode!= newValue {
                        self.annotationMode = newValue
                    }
                }
            }
        }
    }
    let annotationModeStore = AnnotationModeStore()

    let actionEventPublisher = PassthroughSubject<PDFView.ActionEvent, Never>()

    @Published var viewMode = ViewMode.document {
        didSet {
            // Hide toolbar when showing thumbnails.
            if!isShowingDocument {
                showAnnotationToolbar = false
            }
        }
    }

    @Published var showAnnotationToolbar = false {
        didSet {
            // Disable annotation mode if toolbar disappears
            if!showAnnotationToolbar {
                annotationModeStore.annotationMode = nil
            }
        }
    }

    /// View mode is set to show the document.
    var isShowingDocument: Bool {
        viewMode ==.document
    }

    /// Toggle view mode between document and thumbnails.
    func toggleViewMode() {
        actionEventPublisher.send(.setViewMode(viewMode: isShowingDocument?.thumbnails :.document, animated: true))
    }
}

/// The main view for this example.
private struct SwiftUIAnnotationToolbarExampleView: View {
    @ObservedObject var store = SwiftUIAnnotationToolbarStore()
    let document: Document

    var body: some View {
        ZStack {
            PDFView(document: document, viewMode: $store.viewMode, actionEventPublisher: store.actionEventPublisher).scrollDirection(.vertical).pageTransition(.scrollContinuous).pageMode(.single).spreadFitting(.adaptive).updateControllerConfiguration {
                    // Connect the state manager with the store to manage state.
                    if store.annotationModeStore.annotationStateManager!= $0.annotationStateManager {
                        store.annotationModeStore.annotationStateManager = $0.annotationStateManager
                    }
                }.toolbar {
                    ToolbarItem(placement:.primaryAction) {
                        Button(action: {
                            logger.info("Toggle Annotation Toolbar")
                            store.showAnnotationToolbar.toggle()
                        }) {
                            Label("Toggle Annotation Toolbar", systemImage: "scribble")
                        }
                    }
                    ToolbarItem(placement:.primaryAction) {
                        Button(action: {
                            logger.info("Toggle View Mode")
                            store.toggleViewMode()
                        }) {
                            Label("Toggle View Mode", systemImage: "square.grid.2x2")
                        }
                    }
                }

            // The custom toolbar is added above the PDFView via the ZStack.
            CustomAnnotationToolbarView(store: store)
        }
    }
}

private struct CustomAnnotationToolbarView: View {
    @ObservedObject var store: SwiftUIAnnotationToolbarStore

    var body: some View {
        HStack {
            Spacer()
            VStack {
                ToolbarViewButton(store: store.annotationModeStore,
                                  annotationMode:.highlight,
                                  title: "Highlighter",
                                  imageName: "highlighter").padding(EdgeInsets(top: 5, leading: 0, bottom: 0, trailing: 0))

                ToolbarViewButton(store: store.annotationModeStore,
                                  annotationMode:.ink,
                                  title: "Drawing",
                                  imageName: "pencil")

                ToolbarViewButton(store: store.annotationModeStore,
                                  annotationMode:.freeText,
                                  title: "Text",
                                  imageName: "text.cursor").padding(EdgeInsets(top: 0, leading: 0, bottom: 5, trailing: 0))
            }.frame(width: 50).background(Color(UIColor.systemBackground)).cornerRadius(8).overlay(RoundedRectangle(cornerRadius: 4).stroke(Color.black.opacity(0.2), lineWidth: 0.5).opacity(0.8)).shadow(color: Color.black.opacity(0.2), radius: 4).padding(20).opacity(store.showAnnotationToolbar? 1 : 0).scaleEffect(store.showAnnotationToolbar? 1 : 0.8).animation(.easeInOut, value: store.showAnnotationToolbar).animation(.easeInOut, value: store.annotationModeStore.annotationMode)
        }.frame(maxWidth:.infinity)
    }
}

extension CustomAnnotationToolbarView {
    private struct ToolbarViewButton: View {
        @ObservedObject var store: SwiftUIAnnotationToolbarStore.AnnotationModeStore
        @Environment(\.colorScheme) var colorScheme

        let annotationMode: Annotation.Tool
        let title: String
        let imageName: String

        var isActive: Bool {
            store.annotationMode == annotationMode
        }

        var body: some View {
            Button(action: {
                logger.info("\(title) tapped, toggling \(annotationMode)")
                store.annotationMode = isActive? nil : annotationMode
            }) {
                Label(title, systemImage: imageName).labelStyle(IconOnlyLabelStyle())
            }.buttonStyle(PlainButtonStyle()).padding(10).background(isActive? Color.blue : Color.clear).foregroundColor(isActive?.white : colorScheme ==.light?.black :.white).cornerRadius(5).padding(5)
        }
    }
}

// MARK: Previews

struct SwiftUIAnnotationToolbarExamplePreviews: PreviewProvider {
    static var previews: some View {
        let document = AssetLoader.document(for:.welcome)
        SwiftUIAnnotationToolbarExampleView(document: document)
    }
}

```

This code sample is an example that illustrates how to use our SDK. Please adapt it to your specific use case.

---

## Related pages

- [Allow freeform image annotation resizing in Swift for iOS](/guides/ios/samples/freeform-image-resize.md)
- [Creating effective link annotations on iOS](/guides/ios/samples/annotations.md)
- [Add file annotation to PDF in Swift for iOS](/guides/ios/samples/add-file-annotation-with-embedded-file.md)
- [Image annotations in Swift for iOS](/guides/ios/samples/annotate-images.md)
- [Add an Apple Maps widget to a PDF page in Swift for iOS](/guides/ios/samples/add-map-widget-to-pdf.md)
- [Add video annotation to PDF in Swift for iOS](/guides/ios/samples/add-video-annotation-to-pdf.md)
- [Add annotation buttons to PDF toolbar in Swift for iOS](/guides/ios/samples/annotation-buttons-in-navigation-bar.md)
- [Create an always-dark annotation toolbar in Swift for iOS](/guides/ios/samples/always-dark-annotation-toolbar.md)
- [Create a custom appearance stream generator in Swift for iOS](/guides/ios/samples/appearance-stream-generator.md)
- [Select PDF text and create a note in Swift for iOS](/guides/ios/samples/create-note-from-selection.md)
- [Maintain annotation aspect ratio in Swift](/guides/ios/samples/aspect-ratio-conserving-resizing.md)
- [Write PDF annotations to XFDF in Swift for iOS](/guides/ios/samples/annotations-to-xfdf.md)
- [Embed Nutrient as a child view controller in Swift for iOS](/guides/ios/samples/child-view-controller-using-parent-navigation-bar.md)
- [PDFViewController controller state in Swift for iOS](/guides/ios/samples/controller-state.md)
- [Enable auto-save in PDF using Swift for iOS](/guides/ios/samples/auto-saving-pdf.md)
- [Blur PDF page in Swift for iOS](/guides/ios/samples/blur-pdf-pages.md)
- [Create link annotations in PDF using Swift for iOS](/guides/ios/samples/create-link-annotation-in-pdf.md)
- [Create PDF bookmark with UI in Swift for iOS](/guides/ios/samples/create-pdf-bookmark-name-ui.md)
- [Custom PDF stamp annotation in Swift for iOS](/guides/ios/samples/custom-pdf-stamp-annotations.md)
- [Add custom font sizes to free text keyboard in Swift for iOS](/guides/ios/samples/custom-buttons-free-text-keyboard-toolbar.md)
- [Customize blend modes in stamp annotations in Swift for iOS](/guides/ios/samples/annotation-inspector-stamp-blend-mode.md)
- [Add a custom free text input accessory in Swift for iOS](/guides/ios/samples/custom-free-text-input-accessory.md)
- [Create password-protected PDF in Swift for iOS](/guides/ios/samples/create-password-protected-pdf.md)
- [Custom Comments Ui](/guides/ios/samples/custom-comments-ui.md)
- [Customize PDF tab titles in Swift for iOS](/guides/ios/samples/custom-tabbed-bar-title.md)
- [Customize PDF annotation toolbar in Swift for iOS](/guides/ios/samples/customize-pdf-annotation-toolbar.md)
- [Customize PDF sharing options in Swift for iOS](/guides/ios/samples/custom-pdf-sharing-options.md)
- [Custom thumbnail PDF view filter in Swift for iOS](/guides/ios/samples/custom-thumbnail-view-controller-filter.md)
- [Customize pencil interactions on PDF using Swift for iOS](/guides/ios/samples/custom-pencil-interaction-action.md)
- [Customize PDF outline in Swift for iOS](/guides/ios/samples/custom-pdf-outline-controller.md)
- [Customize the search result cell in Swift for iOS](/guides/ios/samples/custom-search-result-cell.md)
- [Customize the PDF search highlight color in Swift for iOS](/guides/ios/samples/custom-search-highlight-color.md)
- [Disable bookmark editing in PDF using Swift for iOS](/guides/ios/samples/disable-bookmark-editing.md)
- [Present a confirmation sheet for iOS annotations](/guides/ios/samples/confirm-annotation-deletion.md)
- [Continiously create free text annotations in Swift for iOS](/guides/ios/samples/create-free-text-annotations-continuously.md)
- [Add calculator to PDF using JavaScript on iOS](/guides/ios/samples/calculator.md)
- [Customize the filename of shared PDF in Swift for iOS](/guides/ios/samples/custom-sharing-filenames.md)
- [Disable annotations reviews in PDF using Swift for iOS](/guides/ios/samples/disable-annotation-reviews.md)
- [Customized note annotation view controller in Swift for iOS](/guides/ios/samples/customized-note-annotation-view-controller.md)
- [How to disable digital signature removal in PDFs](/guides/ios/samples/disable-removing-digital-signature.md)
- [Use a custom image picker controller in Swift for iOS](/guides/ios/samples/custom-image-picker-controller.md)
- [Custom Thumbnail Page Label](/guides/ios/samples/custom-thumbnail-page-label.md)
- [Implement a Document Picker sidebar in Swift for iOS](/guides/ios/samples/document-picker-sidebar.md)
- [Initialize a PDF with data in Swift for iOS](/guides/ios/samples/document-data-provider-pdf-from-data.md)
- [Disable scroll bouncing in PDF using Swift for iOS](/guides/ios/samples/disable-scroll-bouncing.md)
- [Asynchronously sign PDF in Swift for iOS](/guides/ios/samples/asynchronous-digital-signature-in-pdf.md)
- [Using a custom annotation provider in Swift for iOS](/guides/ios/samples/annotation-provider-with-rotation.md)
- [Add text annotation to PDF in Swift for iOS](/guides/ios/samples/add-text-annotation-to-pdf.md)
- [Embed, flatten, or remove PDF annotations in Swift for iOS](/guides/ios/samples/annotation-processing.md)
- [Prepare PDF to embed PAdES digital signature in Swift for iOS](/guides/ios/samples/contained-pades-digital-signature.md)
- [Prepare PDF to capture digital signature in Swift for iOS](/guides/ios/samples/contained-digital-signatures.md)
- [Customize the annotation selection knobs in Swift for iOS](/guides/ios/samples/custom-selection-knobs.md)
- [Customize the annotations list in Swift for iOS](/guides/ios/samples/customizing-annotation-list.md)
- [Customize PDF form appearance in Swift for iOS](/guides/ios/samples/customizing-pdf-form-appearance.md)
- [Customize vertical annotation toolbar in Swift for iOS](/guides/ios/samples/custom-vertical-annotation-toolbar.md)
- [Apply XFDF annotations and save it as new PDF in Swift for iOS](/guides/ios/samples/embedded-xfdf-annotation-provider.md)
- [Exit PDF drawing mode automatically in Swift for iOS](/guides/ios/samples/exit-drawing-mode-automatically.md)
- [Add video, audio, image annotation to PDF in Swift for iOS](/guides/ios/samples/gallery.md)
- [Create PDF programmatically in Swift for iOS](/guides/ios/samples/create-pdf-programmatically.md)
- [Encrypt and decrypt a PDF using Swift for iOS](/guides/ios/samples/encrypt-decrypt-pdf.md)
- [PDF highlight annotation blend mode menu in Swift for iOS](/guides/ios/samples/highlight-annotation-blend-mode-menu.md)
- [Fixed-sized PDF stamp annotations in Swift for iOS](/guides/ios/samples/floating-pdf-stamp-annotation.md)
- [Disable bookmark renaming in PDF using Swift for iOS](/guides/ios/samples/disable-bookmark-renaming.md)
- [Customize PDF page lables in Swift for iOS](/guides/ios/samples/custom-page-label.md)
- [Customize annotation link border color in Swift for iOS](/guides/ios/samples/custom-link-border-color.md)
- [Save reading position in PDF using Swift for iOS](/guides/ios/samples/document-view-state-restoration.md)
- [Document With Original Url Set](/guides/ios/samples/document-with-original-url-set.md)
- [Add analytics to PDF components in Swift for iOS](/guides/ios/samples/analytics.md)
- [Display PDF in inbox directory using Swift for iOS](/guides/ios/samples/display-pdf-inbox.md)
- [Add watermark to all PDF pages using Swift for iOS](/guides/ios/samples/draw-watermark-on-pdf-pages.md)
- [Collaborating on PDFs in board meetings using Swift for iOS](/guides/ios/samples/board-meeting.md)
- [Generate a PDF report using Swift for iOS](/guides/ios/samples/generate-pdf-report.md)
- [Draw all PDF annotations as overlays in Swift for iOS](/guides/ios/samples/draw-annotations-as-overlay.md)
- [Clear all PDF annotations with a button in Swift for iOS](/guides/ios/samples/custom-button-in-annotation-toolbar.md)
- [Face redaction in document using Swift for iOS](/guides/ios/samples/face-redaction-in-pdf.md)
- [Custom PDF bookmark provider in Swift for iOS](/guides/ios/samples/custom-pdf-bookmark-provider.md)
- [Customize PDF view margins using Swift for iOS](/guides/ios/samples/dynamic-margins.md)
- [Disable PDF annotation editing in Swift for iOS](/guides/ios/samples/disable-annotation-editing.md)
- [LMS example: Take and grade an exam using Swift for iOS](/guides/ios/samples/e-learning.md)
- [Encrypted Xfdf Annotation Provider](/guides/ios/samples/encrypted-xfdf-annotation-provider.md)
- [Enable fixed PDF toolbar position in Swift for iOS](/guides/ios/samples/top-toolbar-position.md)
- [Add image gallery to PDF in Swift for iOS](/guides/ios/samples/add-image-gallery-to-pdf.md)
- [Add a custom cloudy rectangle annotation to a PDF in Swift for iOS](/guides/ios/samples/add-custom-cloudy-rectangle.md)
- [Encrypt disk cache when rendering PDF in Swift for iOS](/guides/ios/samples/encrypted-cache.md)
- [Update configuration when rotating PDF in Swift for iOS](/guides/ios/samples/update-configuration-when-rotating.md)
- [Monitor UI touches using Swift for iOS](/guides/ios/samples/monitor-touches.md)
- [Add an image signature to PDF in Swift for iOS](/guides/ios/samples/add-image-signature-to-pdf-programmatically.md)
- [Add overlay views to PDF in Swift for iOS](/guides/ios/samples/overlay-views.md)
- [Insert page into PDF from another document in Swift for iOS](/guides/ios/samples/insert-pdf-page-from-document.md)
- [Customize comment font size in PDF using Swift for iOS](/guides/ios/samples/large-font-for-comments.md)
- [Password Not Preset](/guides/ios/samples/password-not-preset.md)
- [Add a bottom inset to the user interface in Swift for iOS](/guides/ios/samples/inset-user-interface.md)
- [Custom saving options after editing PDF in Swift for iOS](/guides/ios/samples/pdf-editor-custom-saving-confirmation.md)
- [Getting started with iOS playground](/guides/ios/samples/playground.md)
- [Create PDF teleprompter using Swift for iOS](/guides/ios/samples/pdf-teleprompter.md)
- [Printer defaults for PDF annotations in Swift for iOS](/guides/ios/samples/printer-defaults.md)
- [PDF reflow with Reader View in Swift for iOS](/guides/ios/samples/pdf-reader-view.md)
- [Configuring multiline titles in PDF using Swift for iOS](/guides/ios/samples/multiline-pdf-title.md)
- [Display PDFViewController in popover using Swift for iOS](/guides/ios/samples/popover-presentation.md)
- [Embed PDFViewController as a child in iOS](/guides/ios/samples/child-view-controller.md)
- [Highlight text in PDF using Swift for iOS](/guides/ios/samples/highlight-text-in-pdf.md)
- [Lazy load PDF annotations in Swift for iOS](/guides/ios/samples/lazy-load-pdf-annotations.md)
- [Configuring PDF reader in Swift for iOS](/guides/ios/samples/e-reader.md)
- [Show PDF download progress in Swift for iOS](/guides/ios/samples/pdf-download-progress.md)
- [Custom annotation provider in Swift for iOS](/guides/ios/samples/custom-annotation-provider.md)
- [PDF page scale and resize using Swift for iOS](/guides/ios/samples/pdf-page-scaling.md)
- [Add copyright watermark to PDF in Swift for iOS](/guides/ios/samples/add-copyright-watermark-to-pdf.md)
- [Programmatically go to PDF outline in Swift for iOS](/guides/ios/samples/programmatically-go-to-outline.md)
- [Enable saving confirmation when exiting PDF in Swift for iOS](/guides/ios/samples/save-confirmation.md)
- [Customize iOS annotation inspector color presets](/guides/ios/samples/preset-customization.md)
- [Programmatically edit PDFs using Swift for iOS](/guides/ios/samples/programmatic-pdf-editing.md)
- [Open PDF with preset password using Swift for iOS](/guides/ios/samples/preset-pdf-passwords.md)
- [Convert HTML to PDF using Swift for iOS](/guides/ios/samples/html-to-pdf.md)
- [Programtically search a PDF using Swift for iOS](/guides/ios/samples/search-without-controller.md)
- [Simplifying the font picker for text annotation using Swift for iOS](/guides/ios/samples/simple-font-picker.md)
- [Show note controller for highlights in Swift for iOS](/guides/ios/samples/show-note-controller-for-highlights.md)
- [Rotate PDF pages with Swift](/guides/ios/samples/rotate-page-temporarily.md)
- [Customize scrubber bar with buttons using Swift for iOS](/guides/ios/samples/scrubber-bar-with-buttons.md)
- [Redact text in PDF using Swift for iOS](/guides/ios/samples/pdf-redaction.md)
- [Select free text annotation in PDF using Swift for iOS](/guides/ios/samples/select-free-text-annotations.md)
- [Convert stamp into a PDF button in Swift for iOS](/guides/ios/samples/stamp-button.md)
- [Create a custom PDF navigation bar with SwiftUI for iOS](/guides/ios/samples/swiftui-custom-navigation-bar.md)
- [Show or hide PDF annotations using Swift for iOS](/guides/ios/samples/toggle-annotation-visibility.md)
- [Toggle PDF form field highlight color in Swift for iOS](/guides/ios/samples/pdf-form-highlight-color.md)
- [Search multiple PDF files using Swift for iOS](/guides/ios/samples/search-multiple-pdf-files.md)
- [Download PDF from URL using Swift for iOS](/guides/ios/samples/remote-document-url.md)
- [Customize view controller for screen mirroring in Swift for iOS](/guides/ios/samples/screen-mirroring.md)
- [Custom PDF page labels in the sharing UI in Swift for iOS](/guides/ios/samples/page-labels-in-sharing-ui.md)
- [Simplifying the annotation inspector using Swift for iOS](/guides/ios/samples/simple-annotation-inspector.md)
- [SwiftUI split screen: Display two PDF views side by side on iOS](/guides/ios/samples/swiftui-split-screen.md)
- [Embed a SwiftUI view inside a page view on iOS](/guides/ios/samples/swiftui-on-page-view.md)
- [Customize PDF editor toolbar using Swift for iOS](/guides/ios/samples/pdf-editor-toolbar-customization.md)
- [Rotate PDF page using Swift for iOS](/guides/ios/samples/rotate-pdf-page.md)
- [Remove password from PDF using Swift for iOS](/guides/ios/samples/remove-pdf-password.md)
- [Custom page template in PDF editor using Swift for iOS](/guides/ios/samples/pdf-editor-custom-templates.md)
- [Open AES-encrypted PDF in Swift for iOS](/guides/ios/samples/open-aes-encrypted-pdf.md)
- [Show multiple files as a single PDF using Swift for iOS](/guides/ios/samples/show-multiple-files-in-pdf.md)
- [Render drawings on PDF pages using Swift for iOS](/guides/ios/samples/pdf-page-drawing.md)
- [Use PDFViewController with SwiftUI for iOS](/guides/ios/samples/swiftui.md)
- [Customize PDF view settings in Swift for iOS](/guides/ios/samples/pdf-view-settings.md)
- [Select all text in a PDF using Swift for iOS](/guides/ios/samples/select-all-pdf-text.md)
- [Link annotation view customization in Swift for iOS](/guides/ios/samples/link-annotation-view-customization.md)
- [Aviation example: Displaying flight plan PDF in Swift for iOS](/guides/ios/samples/aviation.md)
- [Display building floor plans in iOS with Swift](/guides/ios/samples/construction.md)
- [Multi-user PDF collaboration using Swift for iOS](/guides/ios/samples/multi-user-pdf-collaboration.md)
- [Programatically create PDF annotations in Swift for iOS](/guides/ios/samples/add-annotations-to-pdf-programmatically.md)
- [Convert MS Office (DOCX, XLSX, PPTX) to PDF in Swift for iOS](/guides/ios/samples/office-to-pdf-conversion.md)
- [OCR PDF using Swift for iOS](/guides/ios/samples/ocr-pdf.md)
- [Import and export annotations in XFDF using Swift for iOS](/guides/ios/samples/xfdf-annotation-provider.md)
- [Search and redact text in a PDF using Swift for iOS](/guides/ios/samples/search-and-redact-pdf-text.md)
- [Configure PDF annotation toolbar using Swift for iOS](/guides/ios/samples/manual-toolbar-setup.md)
- [Show author name on annotation selection in Swift for iOS](/guides/ios/samples/show-author-name-on-annotation-selection.md)
- [Programmatically add a signature to all PDF pages using Swift for iOS](/guides/ios/samples/sign-all-pdf-pages.md)
- [Compare PDF documents using Swift for iOS](/guides/ios/samples/pdf-document-comparison.md)
- [PDF streaming using Swift for iOS](/guides/ios/samples/streaming-pdf.md)
- [PDF streaming with SwiftUI for iOS](/guides/ios/samples/streaming-pdf-swiftui.md)
- [PDF collaboration using Swift for iOS](/guides/ios/samples/pdf-collaboration.md)
- [Create a custom PDF page setting view in SwiftUI for iOS](/guides/ios/samples/swiftui-settings.md)
- [Sticky header for PDF thumbnail view in Swift for iOS](/guides/ios/samples/sticky-header.md)
- [Cycle through PDF documents using Swift for iOS](/guides/ios/samples/page-view-controller.md)
- [PDF magazine reader using Swift for iOS](/guides/ios/samples/pdf-magazine-reader.md)
- [Show multiple PDFs with tabbed UI using Swift for iOS](/guides/ios/samples/tabbed-bar.md)
- [Custom annotation inspector with SwiftUI for iOS](/guides/ios/samples/swiftui-custom-annotation-inspector.md)
- [Store PDF annotations for multiple users in Swift for iOS](/guides/ios/samples/store-multiple-user-annotations.md)
- [Auto-save PDF annotation changes in Swift for iOS](/guides/ios/samples/save-as-pdf.md)
- [Persist view settings using Swift for iOS](/guides/ios/samples/persist-view-settings.md)
- [Swiftui Sharing](/guides/ios/samples/swiftui-sharing.md)
- [Create email snippet when sharing PDF in Swift for iOS](/guides/ios/samples/predefined-email-body.md)
- [Display measurements on PDF pages or spreads in Swift for iOS](/guides/ios/samples/measurements-on-pages-spreads.md)
- [Add a snake game inside a PDF in Swift for iOS](/guides/ios/samples/snake.md)
- [Using Instant JSON to collaborate on PDFs in Swift for iOS](/guides/ios/samples/instant-json.md)
- [Hide or reveal an area in a PDF using Swift for iOS](/guides/ios/samples/hide-reveal-area-in-pdf.md)
- [PDF text redaction using regex in Swift for iOS](/guides/ios/samples/redact-pdf-text-using-regex.md)
- [Add SwiftUI sidebar next to PDF view on iOS](/guides/ios/samples/swiftui-sidebar.md)
- [PDF form examples using Swift for iOS](/guides/ios/samples/pdf-forms.md)
- [Integrate UIStoryboard with PDFViewController in Swift for iOS](/guides/ios/samples/storyboard.md)
- [Display PDF annotations on layers in Swift for iOS](/guides/ios/samples/pdf-annotation-layers.md)

