Add onboarding screens for an easy setup of SideStore

AltStore/View Extensions/UIView Representables/ActivityView.swift

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+//
+//  ActivityView.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 19.05.23.
+//  Copyright © 2023 SideStore. All rights reserved.
+//
+
+import SwiftUI
+import UIKit
+
+
+struct ActivityView: UIViewControllerRepresentable {
+    let items: [Any]
+
+    func makeUIViewController(context: UIViewControllerRepresentableContext<ActivityView>) -> UIActivityViewController {
+        return UIActivityViewController(activityItems: items, applicationActivities: nil)
+    }
+
+    func updateUIViewController(_ uiViewController: UIActivityViewController, context: UIViewControllerRepresentableContext<ActivityView>) {}
+}

AltStore/View Extensions/UIView Representables/AppStoreProductView.swift

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+//
+//  AppStoreProductView.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 25.02.23.
+//  Copyright © 2023 SideStore. All rights reserved.
+//
+
+import SwiftUI
+import StoreKit
+
+
+struct AppStoreView: UIViewControllerRepresentable {
+    typealias UIViewControllerType = AppStoreProductViewController
+
+    var isVisible: Binding<Bool>
+    let itunesItemId: Int
+
+    func makeUIViewController(context: Context) -> AppStoreProductViewController {
+        AppStoreProductViewController(isVisible: self.isVisible, itunesId: self.itunesItemId)
+    }
+
+    func updateUIViewController(_ uiViewController: UIViewControllerType, context: Context) {
+        if self.isVisible.wrappedValue {
+            uiViewController.presentStoreProduct()
+        }
+    }
+}
+
+
+class AppStoreProductViewController: UIViewController {
+
+    private var isVisible: Binding<Bool>
+    private let itunesId: Int
+
+    init(isVisible: Binding<Bool>, itunesId: Int) {
+        self.isVisible = isVisible
+        self.itunesId = itunesId
+
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+    }
+
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+    }
+
+    func presentStoreProduct() {
+        let storeProductViewController = SKStoreProductViewController()
+        storeProductViewController.delegate = self
+
+        let parameters = [SKStoreProductParameterITunesItemIdentifier: self.itunesId]
+        storeProductViewController.loadProduct(withParameters: parameters) { (success, error) -> Void in
+            if let error = error {
+                print("Failed to load App Store product: \(error.localizedDescription)")
+            }
+            guard success else {
+                return
+            }
+
+            self.present(storeProductViewController, animated: true, completion: nil)
+        }
+    }
+}
+
+// MARK: - SKStoreProductViewControllerDelegate
+
+extension AppStoreProductViewController: SKStoreProductViewControllerDelegate {
+
+    func productViewControllerDidFinish(_ viewController: SKStoreProductViewController) {
+        DispatchQueue.main.async {
+            self.isVisible.wrappedValue = false
+        }
+//        viewController.presentingViewController?.dismiss(animated: true, completion: nil)
+    }
+}