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Add iOS Share Extension support

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- Create share extension to handle shared content from other apps
- Support sharing text, URLs, and prepare for future image support
- Use app groups for data sharing between extension and main app
- Add URL scheme handling for app communication
- Add entitlements for app groups
- Display system message when content is shared
- Update project configuration to include share extension
This commit is contained in:
jack
2025-07-08 04:18:42 +02:00
parent 2afc32afbf
commit 7f6a32e350
7 changed files with 281 additions and 0 deletions
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bitchat/BitchatApp.swift
+55
View File
@@ -26,6 +26,14 @@ struct BitchatApp: App {
.environmentObject(chatViewModel)
.onAppear {
NotificationDelegate.shared.chatViewModel = chatViewModel
#if os(iOS)
appDelegate.chatViewModel = chatViewModel
#endif
// Check for shared content
checkForSharedContent()
}
.onOpenURL { url in
handleURL(url)
}
}
#if os(macOS)
@@ -33,10 +41,57 @@ struct BitchatApp: App {
.windowResizability(.contentSize)
#endif
}
private func handleURL(_ url: URL) {
if url.scheme == "bitchat" && url.host == "share" {
// Handle shared content
checkForSharedContent()
}
}
private func checkForSharedContent() {
// Check app group for shared content from extension
guard let userDefaults = UserDefaults(suiteName: "group.chat.bitchat"),
let sharedContent = userDefaults.string(forKey: "sharedContent"),
let sharedDate = userDefaults.object(forKey: "sharedContentDate") as? Date else {
return
}
// Only process if shared within last 30 seconds
if Date().timeIntervalSince(sharedDate) < 30 {
let contentType = userDefaults.string(forKey: "sharedContentType") ?? "text"
// Clear the shared content
userDefaults.removeObject(forKey: "sharedContent")
userDefaults.removeObject(forKey: "sharedContentType")
userDefaults.removeObject(forKey: "sharedContentDate")
userDefaults.synchronize()
// Show notification about shared content
DispatchQueue.main.async {
// Add system message about sharing
let systemMessage = BitchatMessage(
sender: "system",
content: "preparing to share \(contentType)...",
timestamp: Date(),
isRelay: false
)
self.chatViewModel.messages.append(systemMessage)
}
// Send the shared content after a short delay
DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
let prefix = contentType == "url" ? "Shared link: " : ""
self.chatViewModel.sendMessage(prefix + sharedContent)
}
}
}
}
#if os(iOS)
class AppDelegate: NSObject, UIApplicationDelegate {
weak var chatViewModel: ChatViewModel?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
return true
}
bitchat/Info.plist
+11
View File
@@ -40,5 +40,16 @@
<array>
<string>UIInterfaceOrientationPortrait</string>
</array>
<key>CFBundleURLTypes</key>
<array>
<dict>
<key>CFBundleURLSchemes</key>
<array>
<string>bitchat</string>
</array>
<key>CFBundleURLName</key>
<string>chat.bitchat</string>
</dict>
</array>
</dict>
</plist>
bitchat/bitchat.entitlements
+12
View File
@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.application-groups</key>
<array>
<string>group.chat.bitchat</string>
</array>
</dict>
</plist>
bitchatShareExtension/Info.plist
+43
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@@ -0,0 +1,43 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleDisplayName</key>
<string>bitchat</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>$(MARKETING_VERSION)</string>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>NSExtension</key>
<dict>
<key>NSExtensionAttributes</key>
<dict>
<key>NSExtensionActivationRule</key>
<dict>
<key>NSExtensionActivationSupportsText</key>
<true/>
<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
<integer>1</integer>
<key>NSExtensionActivationSupportsImageWithMaxCount</key>
<integer>1</integer>
</dict>
</dict>
<key>NSExtensionPrincipalClass</key>
<string>$(PRODUCT_MODULE_NAME).ShareViewController</string>
<key>NSExtensionPointIdentifier</key>
<string>com.apple.share-services</string>
</dict>
</dict>
</plist>
bitchatShareExtension/ShareViewController.swift
+122
View File
@@ -0,0 +1,122 @@
//
// ShareViewController.swift
// bitchatShareExtension
//
// This is free and unencumbered software released into the public domain.
// For more information, see <https://unlicense.org>
//
import UIKit
import Social
import UniformTypeIdentifiers
class ShareViewController: SLComposeServiceViewController {
override func viewDidLoad() {
super.viewDidLoad()
// Set placeholder text
placeholder = "Share to bitchat..."
// Set character limit (optional)
charactersRemaining = 500
}
override func isContentValid() -> Bool {
// Validate that we have text content or attachments
if let text = contentText, !text.isEmpty {
return true
}
// Check if we have attachments
if let item = extensionContext?.inputItems.first as? NSExtensionItem,
let attachments = item.attachments,
!attachments.isEmpty {
return true
}
return false
}
override func didSelectPost() {
// Get the shared content
guard let extensionItem = extensionContext?.inputItems.first as? NSExtensionItem else {
self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
return
}
// Process different types of shared content
for itemProvider in extensionItem.attachments ?? [] {
if itemProvider.hasItemConformingToTypeIdentifier(UTType.plainText.identifier) {
itemProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier, options: nil) { [weak self] (item, error) in
if let text = item as? String {
self?.handleSharedText(text)
}
}
} else if itemProvider.hasItemConformingToTypeIdentifier(UTType.url.identifier) {
itemProvider.loadItem(forTypeIdentifier: UTType.url.identifier, options: nil) { [weak self] (item, error) in
if let url = item as? URL {
self?.handleSharedURL(url)
}
}
} else if itemProvider.hasItemConformingToTypeIdentifier(UTType.image.identifier) {
itemProvider.loadItem(forTypeIdentifier: UTType.image.identifier, options: nil) { [weak self] (item, error) in
if let image = item as? UIImage {
self?.handleSharedImage(image)
} else if let data = item as? Data {
if let image = UIImage(data: data) {
self?.handleSharedImage(image)
}
}
}
}
}
// If we have content text, share it
if let text = contentText, !text.isEmpty {
handleSharedText(text)
}
// Complete the share action
self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
}
override func configurationItems() -> [Any]! {
// No configuration items needed
return []
}
// MARK: - Helper Methods
private func handleSharedText(_ text: String) {
// Save to shared user defaults to pass to main app
saveToSharedDefaults(content: text, type: "text")
openMainApp()
}
private func handleSharedURL(_ url: URL) {
// Convert URL to text and share
let text = url.absoluteString
saveToSharedDefaults(content: text, type: "url")
openMainApp()
}
private func handleSharedImage(_ image: UIImage) {
// For now, we'll just notify that image sharing isn't supported
// In the future, we could implement image sharing via the mesh
saveToSharedDefaults(content: "Image sharing coming soon!", type: "image")
openMainApp()
}
private func saveToSharedDefaults(content: String, type: String) {
// Use app groups to share data between extension and main app
if let userDefaults = UserDefaults(suiteName: "group.chat.bitchat") {
userDefaults.set(content, forKey: "sharedContent")
userDefaults.set(type, forKey: "sharedContentType")
userDefaults.set(Date(), forKey: "sharedContentDate")
userDefaults.synchronize()
}
}
private func openMainApp() {
// Note: Share extensions cannot directly open the containing app
// The user will need to tap on the notification or manually open the app
// to see the shared content
}
}
bitchatShareExtension/bitchatShareExtension.entitlements
+12
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@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.security.app-sandbox</key>
<true/>
<key>com.apple.security.application-groups</key>
<array>
<string>group.chat.bitchat</string>
</array>
</dict>
</plist>
project.yml
+26
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@@ -47,6 +47,32 @@ targets:
CODE_SIGNING_ALLOWED: YES
ASSETCATALOG_COMPILER_APPICON_NAME: AppIcon
ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS: YES
CODE_SIGN_ENTITLEMENTS: bitchat/bitchat.entitlements
dependencies:
- target: bitchatShareExtension
platformFilter: ios
embed: true
bitchatShareExtension:
type: app-extension
platform: iOS
sources:
- bitchatShareExtension
info:
path: bitchatShareExtension/Info.plist
properties:
CFBundleDisplayName: bitchat
CFBundleShortVersionString: $(MARKETING_VERSION)
CFBundleVersion: $(CURRENT_PROJECT_VERSION)
settings:
PRODUCT_BUNDLE_IDENTIFIER: chat.bitchat.ShareExtension
INFOPLIST_FILE: bitchatShareExtension/Info.plist
SWIFT_VERSION: 5.0
IPHONEOS_DEPLOYMENT_TARGET: 16.0
CODE_SIGN_STYLE: Automatic
CODE_SIGNING_REQUIRED: YES
CODE_SIGNING_ALLOWED: YES
CODE_SIGN_ENTITLEMENTS: bitchatShareExtension/bitchatShareExtension.entitlements
bitchatTests_iOS:
type: bundle.unit-test