WhatsNewKit v2

import SwiftUI
import WhatsNewKit

struct ContentView: View {

    var body: some View {
        NavigationView {
            // ...
        }
        .whatsNewSheet()
    }

}

dependencies: [
    .package(url: "https://github.com/SvenTiigi/WhatsNewKit.git", from: "2.0.0")
]

struct ContentView: View {

    @State
    var whatsNew: WhatsNew? = WhatsNew(
        title: "WhatsNewKit",
        features: [
            .init(
                image: .init(
                    systemName: "star.fill",
                    foregroundColor: .orange
                ),
                title: "Showcase your new App Features",
                subtitle: "Present your new app features..."
            ),
            .init(customView: {
                Button(action: {
                    print("Pressed")
                }) {
                    Text("This is a custom view")
                }
                // Any other SwiftUI component
            })
            // ...
        ]
    )

    var body: some View {
        NavigationView {
            // ...
        }
        .sheet(
            whatsNew: self.$whatsNew
        )
    }

}

struct ContentView: View {

    var body: some View {
        NavigationView {
            // ...
        }
        // Automatically present a WhatsNewView, if needed.
        // The WhatsNew that should be presented to the user
        // is automatically retrieved from the `WhatsNewEnvironment`
        .whatsNewSheet()
    }

}

extension App: SwiftUI.App {

    var body: some Scene {
        WindowGroup {
            ContentView()
                .environment(
                    \.whatsNew,
                    WhatsNewEnvironment(
                        // Specify in which way the presented WhatsNew Versions are stored.
                        // In default the `UserDefaultsWhatsNewVersionStore` is used.
                        versionStore: UserDefaultsWhatsNewVersionStore(),
                        // Pass a `WhatsNewCollectionProvider` or an array of WhatsNew instances
                        whatsNewCollection: self
                    )
                )
        }
    }

}

// MARK: - App+WhatsNewCollectionProvider

extension App: WhatsNewCollectionProvider {

    /// Declare your WhatsNew instances per version
    var whatsNewCollection: WhatsNewCollection {
        WhatsNew(
            version: "1.0.0",
            // ...
        )
        WhatsNew(
            version: "1.1.0",
            // ...
        )
        WhatsNew(
            version: "1.2.0",
            // ...
        )
    }

}

FeatureView(feature:
    .init(
        image: .init(
            systemName: "star.fill",
            foregroundColor: .orange
        ),
        title: "Showcase your new App Features",
        subtitle: "Present your new app features..."
    )
)

// Initialize WhatsNewEnvironment by passing an array of WhatsNew Instances.
// UserDefaultsWhatsNewVersionStore is used as default WhatsNewVersionStore
let whatsNewEnvironment = WhatsNewEnvironment(
    whatsNewCollection: [
        WhatsNew(
            version: "1.0.0",
            // ...
        )
    ]
)

// Initialize WhatsNewEnvironment with NSUbiquitousKeyValueWhatsNewVersionStore
// which stores the presented versions in iCloud.
// WhatsNewCollection is provided by a `WhatsNewBuilder` closure
let whatsNewEnvironment = WhatsNewEnvironment(
    versionStore: NSUbiquitousKeyValueWhatsNewVersionStore(),
    whatsNewCollection: {
        WhatsNew(
            version: "1.0.0",
            // ...
        )
    }
)

class MyCustomWhatsNewEnvironment: WhatsNewEnvironment {

    /// Retrieve a WhatsNew that should be presented to the user, if available.
    override func whatsNew() -> WhatsNew? {
        // The current version
        let currentVersion = self.currentVersion
        // Your declared WhatsNew objects
        let whatsNewCollection = self.whatsNewCollection
        // The WhatsNewVersionStore used to determine the already presented versions
        let versionStore = self.whatsNewVersionStore
        // TODO: Determine WhatsNew that should be presented to the user...
    }

}

let whatsNewVersionStore: WhatsNewVersionStore

// Save presented versions
whatsNewVersionStore.save(presentedVersion: "1.0.0")

// Retrieve presented versions
let presentedVersions = whatsNewVersionStore.presentedVersions

// Retrieve bool value if a given version has already been presented
let hasPresented = whatsNewVersionStore.hasPresented("1.0.0")

// Persists presented versions in the UserDefaults
let userDefaultsWhatsNewVersionStore = UserDefaultsWhatsNewVersionStore()

// Persists presented versions in iCloud using the NSUbiquitousKeyValueStore
let ubiquitousKeyValueWhatsNewVersionStore = NSUbiquitousKeyValueWhatsNewVersionStore()

// Stores presented versions in memory. Perfect for testing purposes
let inMemoryWhatsNewVersionStore = InMemoryWhatsNewVersionStore()

let whatsnew = WhatsNew(
    // The Version that relates to the features you want to showcase
    version: "1.0.0",
    // The title that is shown at the top
    title: "What's New",
    // The features you want to showcase
    features: [
        WhatsNew.Feature(
            image: .init(systemName: "star.fill"),
            title: "Title",
            subtitle: "Subtitle"
        )
    ],
    // The primary action that is used to dismiss the WhatsNewView
    primaryAction: WhatsNew.PrimaryAction(
        title: "Continue",
        backgroundColor: .accentColor,
        foregroundColor: .white,
        hapticFeedback: .notification(.success),
        onDismiss: {
            print("WhatsNewView has been dismissed")
        }
    ),
    // The optional secondary action that is displayed above the primary action
    secondaryAction: WhatsNew.SecondaryAction(
        title: "Learn more",
        foregroundColor: .accentColor,
        hapticFeedback: .selection,
        action: .openURL(
            .init(string: "https://github.com/SvenTiigi/WhatsNewKit")
        )
    )
)

// Initialize with major, minor, and patch
let version = WhatsNew.Version(
    major: 1,
    minor: 0,
    patch: 0
)

// Initialize by string literal
let version: WhatsNew.Version = "1.0.0"

// Initialize WhatsNew Version by using the current version of your bundle
let version: WhatsNew.Version = .current()

// Initialize by string literal
let title: WhatsNew.Title = "Continue"

// Initialize with text and foreground color
let title = WhatsNew.Title(
    text: "Continue",
    foregroundColor: .primary
)

// On >= iOS 15 initialize with AttributedString using Markdown
let title = WhatsNew.Title(
    text: try AttributedString(
        markdown: "What's **New**"
    )
)

let feature = WhatsNew.Feature(
    image: .init(
        systemName: "wand.and.stars"
    ),
    title: "New Design",
    subtitle: .init(
        try AttributedString(
            markdown: "An awesome new _Design_"
        )
    )
)

let feature = WhatsNew.Feature(
    customView: {
        Text("Some SwiftUI view")
    },
    useDefaultStyling: true // Style buttons like the `PrimaryAction` button, `false` to use custom style
)

let feature = WhatsNew(
                title: "WhatsNewKit",
                featureGroups: [
                    .init(feature: [
                        .init(
                            image: .init(
                                systemName: "star.fill",
                                foregroundColor: .orange
                            ),
                            title: "Showcase your new App Features",
                            subtitle: "Present your new app features..."
                        ),
                    ]),
                    .init(feature: [
                        .init(customView: {
                            Button(action: {
                                print("Pressed")
                            }) {
                                Text("This is a custom view")
                            }
                        }),
                    ],
                        action: .init(title: "Close", backgroundColor: .red, action: { progress, dismiss in
                                  progress()
                              })
                    )
                ],
            )

let primaryAction = WhatsNew.PrimaryAction(
    title: "Continue",
    backgroundColor: .blue,
    foregroundColor: .white,
    hapticFeedback: .notification(.success),
    action: { progress, dismiss in
            progress()
    }
)

// SecondaryAction that presents a View
let secondaryActionPresentAboutView = WhatsNew.SecondaryAction(
    title: "Learn more",
    foregroundColor: .blue,
    hapticFeedback: .selection,
    action: .present {
        AboutView()
    }
)

// SecondaryAction that opens a URL
let secondaryActionOpenURL = WhatsNew.SecondaryAction(
    title: "Read more",
    foregroundColor: .blue,
    hapticFeedback: .selection,
    action: .open(
        url: .init(string: "https://github.com/SvenTiigi/WhatsNewKit")
    )
)

// SecondaryAction with custom execution
let secondaryActionCustom = WhatsNew.SecondaryAction(
    title: "Custom",
    action: .custom { presentationMode in
        // ...
    }
)

WhatsNew.Layout.default.featureListSpacing = 35

.environment(
    \.whatsNew,
    .init(
        defaultLayout: WhatsNew.Layout(
            showsScrollViewIndicators: true,
            featureListSpacing: 35
        ),
        whatsNew: self
    )
)

.whatsNewSheet(
    layout: WhatsNew.Layout(
        contentPadding: .init(
            top: 80,
            leading: 0,
            bottom: 0,
            trailing: 0
        )
    )
)

.sheet(
    whatsNew: self.$whatsNew,
    layout: WhatsNew.Layout(
        footerActionSpacing: 20
    )
)

let whatsNewViewController = WhatsNewViewController(
    whatsNew: WhatsNew(
        version: "1.0.0",
        // ...
    ),
    layout: WhatsNew.Layout(
        contentSpacing: 80
    )
)

// Verify WhatsNewViewController is available for presentation
guard let whatsNewViewController = WhatsNewViewController(
    whatsNew: WhatsNew(
        version: "1.0.0",
        // ...
    ),
    versionStore: UserDefaultsWhatsNewVersionStore()
) else {
    // Version of WhatsNew has already been presented
    return
}

// Present WhatsNewViewController
// Version will be automatically saved in the provided
// WhatsNewVersionStore when the WhatsNewViewController gets dismissed
self.present(whatsNewViewController, animated: true)