Add iOS save action extension
This commit is contained in:
Rijad Zuzo
@@ -0,0 +1,41 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>AppGroupId</key>
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<string>$(CUSTOM_GROUP_ID)</string>
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<key>CFBundleDisplayName</key>
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<string>Save to Relationship Saver</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>XPC!</string>
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<key>CFBundleShortVersionString</key>
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<string>$(MARKETING_VERSION)</string>
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<key>CFBundleVersion</key>
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<string>$(CURRENT_PROJECT_VERSION)</string>
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<key>NSExtension</key>
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<dict>
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<key>NSExtensionAttributes</key>
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<dict>
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<key>NSExtensionActivationRule</key>
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<dict>
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<key>NSExtensionActivationSupportsText</key>
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<true/>
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<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
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<integer>1</integer>
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</dict>
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</dict>
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<key>NSExtensionPointIdentifier</key>
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<string>com.apple.ui-services</string>
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<key>NSExtensionPrincipalClass</key>
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<string>$(PRODUCT_MODULE_NAME).SaveActionViewController</string>
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</dict>
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</dict>
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</plist>
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@@ -0,0 +1,10 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>com.apple.security.application-groups</key>
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<array>
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<string>$(CUSTOM_GROUP_ID)</string>
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</array>
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</dict>
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</plist>
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@@ -0,0 +1,194 @@
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import MobileCoreServices
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import UniformTypeIdentifiers
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import UIKit
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private let schemePrefix = "ShareMedia"
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private let userDefaultsKey = "ShareKey"
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private let userDefaultsMessageKey = "ShareMessageKey"
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private let appGroupIdKey = "AppGroupId"
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private struct SharedMediaFile: Codable {
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let path: String
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let mimeType: String?
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let thumbnail: String?
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let duration: Double?
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let message: String?
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let type: SharedMediaType
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}
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private enum SharedMediaType: String, Codable {
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case text
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case url
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}
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final class SaveActionViewController: UIViewController {
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private var hostAppBundleIdentifier = ""
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private var appGroupId = ""
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private var sharedMedia: [SharedMediaFile] = []
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private let group = DispatchGroup()
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private var didStart = false
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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guard !didStart else {
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return
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}
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didStart = true
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loadIdentifiers()
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loadSharedContent()
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}
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private func loadIdentifiers() {
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let actionExtensionIdentifier = Bundle.main.bundleIdentifier ?? ""
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if let lastDotIndex = actionExtensionIdentifier.lastIndex(of: ".") {
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hostAppBundleIdentifier = String(actionExtensionIdentifier[..<lastDotIndex])
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} else {
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hostAppBundleIdentifier = actionExtensionIdentifier
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}
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let defaultAppGroupId = "group.\(hostAppBundleIdentifier)"
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appGroupId =
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Bundle.main.object(forInfoDictionaryKey: appGroupIdKey) as? String
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?? defaultAppGroupId
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}
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private func loadSharedContent() {
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guard let inputItems = extensionContext?.inputItems as? [NSExtensionItem] else {
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finish()
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return
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}
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for item in inputItems {
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appendAttributedText(item.attributedContentText)
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for provider in item.attachments ?? [] {
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load(provider)
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}
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}
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group.notify(queue: .main) { [weak self] in
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self?.finish()
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}
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}
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private func load(_ provider: NSItemProvider) {
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if provider.hasItemConformingToTypeIdentifier(urlTypeIdentifier) {
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group.enter()
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provider.loadItem(forTypeIdentifier: urlTypeIdentifier, options: nil) { [weak self] item, _ in
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defer {
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self?.group.leave()
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}
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if let url = item as? URL {
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self?.appendLiteral(url.absoluteString, type: .url, mimeType: nil)
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} else if let text = item as? String {
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self?.appendLiteral(text, type: .url, mimeType: nil)
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}
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}
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return
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}
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if provider.hasItemConformingToTypeIdentifier(textTypeIdentifier) {
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group.enter()
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provider.loadItem(forTypeIdentifier: textTypeIdentifier, options: nil) { [weak self] item, _ in
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defer {
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self?.group.leave()
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}
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if let text = item as? String {
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self?.appendLiteral(text, type: .text, mimeType: "text/plain")
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}
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}
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}
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}
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private var textTypeIdentifier: String {
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if #available(iOS 14.0, *) {
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return UTType.text.identifier
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}
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return kUTTypeText as String
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}
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private var urlTypeIdentifier: String {
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if #available(iOS 14.0, *) {
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return UTType.url.identifier
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}
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return kUTTypeURL as String
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}
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private func appendAttributedText(_ text: NSAttributedString?) {
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guard let value = text?.string else {
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return
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}
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appendLiteral(value, type: .text, mimeType: "text/plain")
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}
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private func appendLiteral(_ value: String, type: SharedMediaType, mimeType: String?) {
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let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !trimmed.isEmpty else {
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return
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}
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guard !sharedMedia.contains(where: { $0.type == type && $0.path == trimmed }) else {
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return
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}
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sharedMedia.append(
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SharedMediaFile(
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path: trimmed,
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mimeType: mimeType,
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thumbnail: nil,
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duration: nil,
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message: nil,
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type: type
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)
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)
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}
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private func finish() {
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guard !sharedMedia.isEmpty else {
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extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
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return
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}
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saveAndRedirect()
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}
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private func saveAndRedirect() {
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guard let encodedData = try? JSONEncoder().encode(sharedMedia) else {
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extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
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return
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}
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let userDefaults = UserDefaults(suiteName: appGroupId)
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userDefaults?.set(encodedData, forKey: userDefaultsKey)
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userDefaults?.set(nil, forKey: userDefaultsMessageKey)
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userDefaults?.synchronize()
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redirectToHostApp()
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}
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private func redirectToHostApp() {
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guard let url = URL(string: "\(schemePrefix)-\(hostAppBundleIdentifier):share") else {
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extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
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return
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}
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var responder: UIResponder? = self
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let selectorOpenUrl = sel_registerName("openURL:")
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if #available(iOS 18.0, *) {
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while responder != nil {
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if let application = responder as? UIApplication {
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application.open(url, options: [:], completionHandler: nil)
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break
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}
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responder = responder?.next
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}
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} else {
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while responder != nil {
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if responder?.responds(to: selectorOpenUrl) == true {
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_ = responder?.perform(selectorOpenUrl, with: url)
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break
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}
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responder = responder?.next
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}
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}
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extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
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}
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}
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