import Social
import MobileCoreServices
import Photos
import UniformTypeIdentifiers
class ShareViewController: SLComposeServiceViewController {
// TODO: IMPORTANT: This should be your host app bundle identifier
let sharedKey = "ShareKey";
var appGroupId = "group.test.example.com";
var hostAppBundleIdentifier = "test.example.com";
var sharedText: [String] = [];
let textContentType = kUTTypeText as String;
let urlContentType = kUTTypeURL as String;
override func isContentValid() -> Bool {
// Do validation of contentText and/or NSExtensionContext attachments here
return true;
}
private func loadIds() {
hostAppBundleIdentifier = "test.example.com";
appGroupId = "group.test.example.com";
}
override func viewDidLoad() {
super.viewDidLoad();
// load group and app id from build info
loadIds();
}
override func didSelectPost() {
// This is called after the user selects Post. Do the upload of contentText and/or NSExtensionContext attachments.
// Inform the host that we're done, so it un-blocks its UI. Note: Alternatively you could call super's -didSelectPost, which will similarly complete the extension context.
// self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
print("didSelectPost");
}
override func configurationItems() -> [Any]! {
// To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
return []
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
// This is called after the user selects Post. Do the upload of contentText and/or NSExtensionContext attachments.
if let content = extensionContext!.inputItems[0] as? NSExtensionItem {
if let contents = content.attachments {
for (index, attachment) in (contents).enumerated() {
if attachment.hasItemConformingToTypeIdentifier(textContentType) {
handleText(content: content, attachment: attachment, index: index)
} else if attachment.hasItemConformingToTypeIdentifier(urlContentType) {
handleUrl(content: content, attachment: attachment, index: index)
}
}
}
}
}
private func handleText (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
attachment.loadItem(forTypeIdentifier: textContentType, options: nil) { [weak self] data, error in
if error == nil, let item = data as? String, let this = self {
this.sharedText.append(item)
// If this is the last item, save imagesData in userDefaults and redirect to host app
if index == (content.attachments?.count)! - 1 {
let userDefaults = UserDefaults(suiteName: this.appGroupId)
userDefaults?.set(this.sharedText, forKey: this.sharedKey)
userDefaults?.synchronize()
this.redirectToHostApp(type: .text)
}
} else {
self?.dismissWithError()
}
}
}
private func handleUrl (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
attachment.loadItem(forTypeIdentifier: urlContentType, options: nil) { [weak self] data, error in
if error == nil, let item = data as? URL, let this = self {
this.sharedText.append(item.absoluteString)
// If this is the last item, save imagesData in userDefaults and redirect to host app
if index == (content.attachments?.count)! - 1 {
let userDefaults = UserDefaults(suiteName: this.appGroupId)
userDefaults?.set(this.sharedText, forKey: this.sharedKey)
userDefaults?.synchronize()
this.redirectToHostApp(type: .text)
}
} else {
self?.dismissWithError()
}
}
}
private func dismissWithError() {
print("[ERROR] Error loading data!")
let alert = UIAlertController(title: "Error", message: "Error loading data", preferredStyle: .alert)
let action = UIAlertAction(title: "Error", style: .cancel) { _ in
self.dismiss(animated: true, completion: nil)
}
alert.addAction(action)
present(alert, animated: true, completion: nil)
extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
}
private func redirectToHostApp(type: RedirectType) {
// ids may not loaded yet so we need loadIds here too
loadIds();
let url = URL(string: "ShareMedia://dataUrl=\(sharedKey)#\(type)")
var responder = self as UIResponder?
let selectorOpenURL = sel_registerName("openURL:")
while (responder != nil) {
if (responder?.responds(to: selectorOpenURL))! {
let _ = responder?.perform(selectorOpenURL, with: url)
}
responder = responder!.next
}
extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
}
enum RedirectType {
case media
case text
case file
}
func getExtension(from url: URL, type: SharedMediaType) -> String {
let parts = url.lastPathComponent.components(separatedBy: ".")
var ex: String? = nil
if (parts.count > 1) {
ex = parts.last
}
if (ex == nil) {
switch type {
case .image:
ex = "PNG"
case .video:
ex = "MP4"
case .file:
ex = "TXT"
}
}
return ex ?? "Unknown"
}
enum SharedMediaType: Int, Codable {
case image
case video
case file
}
class ShareViewController: SLComposeServiceViewController {
}
extension Array { subscript (safe index: UInt) -> Element? { return Int(index) < count ? self[Int(index)] : nil } }
<?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">
target 'Runner' do use_frameworks! use_modular_headers!
flutter_install_all_ios_pods File.dirname(File.realpath(FILE))
Sharing Extension is name of Extension which you created. It is 'Share Extension' and 'Sharing Extension' in example
target 'Share Extension' do inherit! :search_paths end end