swiftui Share Extension

shareAction Info

<?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>NSExtension</key>
    <dict>
        <key>NSExtensionAttributes</key>
        <dict>
            <key>NSExtensionActivationRule</key>
            <dict>
                <key>NSExtensionActivationSupportsText</key>
                <false/>
                <key>NSExtensionActivationSupportsImageWithMaxCount</key>
                <integer>1</integer>
            </dict>
        </dict>
        <key>NSExtensionMainStoryboard</key>
        <string>MainInterface</string>
        <key>NSExtensionPointIdentifier</key>
        <string>com.apple.share-services</string>
        <key>NSExtensionSupportedAttachmentTypes</key>
        <array>
            <string>public.audio</string>
        </array>
    </dict>
</dict>
</plist>

<!--NSExtensionActivationRule-->
<!--            <string>TRUEPREDICATE</string>-->
<!--            <string>SUBQUERY(extensionItems, $extensionItem, SUBQUERY($extensionItem.attachments, $attachment, ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.audio").@count == 1).@count == 1</string>-->

ShareViewController

import SwiftUI
import Social
import UniformTypeIdentifiers
import UIKit


class ShareViewController: SLComposeServiceViewController {

    override func isContentValid() -> Bool {
        guard let inputItems = self.extensionContext?.inputItems.map({ $0 as? NSExtensionItem }) else {
//            self.extensionContext?.cancelRequest(withError: ShareError(message: "extensionItem error"))
            return false
        }

        for inputItem in inputItems {
            guard let providers = inputItem?.attachments else { return false }

            for itemProvider in providers {
                if itemProvider.hasItemConformingToTypeIdentifier(UTType.image.identifier as String) {
                    itemProvider.loadDataRepresentation(forTypeIdentifier: UTType.image.identifier as String) { (data, error) in
                        if error != nil {
                            self.extensionContext?.cancelRequest(withError: error!)
                            return
                        }

                        guard let imgDataPath = data else {
//                            self.extensionContext?.cancelRequest(withError: ShareError(message: "data error"))
                            return
                        }

                        // 分享的图片
                        let ud = UserDefaults.init(suiteName: "group.com.znp.testplay")
                        ud?.setValue(imgDataPath, forKey: "SHARE_IMAGE_KEY")
                        ud?.setValue(true, forKey: "New_SHARE_KEY")
                        self.openContainerApp()
                    }
                }
            }
        }

        self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
        return true
    }

    override func didSelectPost() {
        // This function can be used to handle actions when the user selects the post button.
    }

    override func configurationItems() -> [Any]! {
        // To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
        return []
    }

    /// 打开ContainerAPP
    private func openContainerApp() {
        let scheme = "testplay://"
        let url: URL = URL(string: scheme)!

        let context = NSExtensionContext()
        context.open(url, completionHandler: nil)

        var responder = self as UIResponder?
        let selectorOpenURL = sel_registerName("openURL:")

        while responder != nil {
            if responder!.responds(to: selectorOpenURL) {
                responder!.perform(selectorOpenURL, with: url)
                break
            }
            responder = responder?.next
        }
    }
}

swiftui 获取

//
//  ContentView.swift
//  testplay
//
//  Created by 1 on 2024/4/17.
//

import SwiftUI
struct ContentView: View {
    
    @State var imageData: Data? = nil
    
    var body: some View {
        //导航区视图控制
        NavigationView {
            //使用垂直布局
            VStack {
                Spacer()
                if let imageData = imageData,let uiImage = UIImage(data: imageData){
                    Image(uiImage: uiImage)
                        .resizable() // 允许图片缩放
                        .scaledToFit() // 保持图片的宽高比
                }else {
                    Text("无法加载图片")
                }
                Spacer()
            }
            //导航区域的头部文本信息
            .navigationTitle("test")
            .frame(maxWidth: .infinity, maxHeight: .infinity)
            .background(Color.primary.opacity(0.04).ignoresSafeArea())
            .onReceive(NotificationCenter.default.publisher(for: UIApplication.didBecomeActiveNotification)) { _ in
                                // 当应用程序变为活跃状态时，这里的代码会被执行
                                print("应用程序已变为活跃状态。")
                let ud = UserDefaults.init(suiteName: "group.com.znp.testplay")
                if let newShare = ud?.value(forKey: "New_SHARE_KEY") as? Bool{
                    if newShare{
                        if let imageData = ud?.value(forKey: "SHARE_IMAGE_KEY"){
                            self.imageData = imageData as? Data
                        }
                    }
                    ud?.setValue(false, forKey: "New_SHARE_KEY")
                }
                
//                self.imageData = ud?.value(forKey: "SHARE_IMAGE_KEY")
                
                
            }
        }
    }
}

#Preview {
    ContentView()
}

学习
https://zhuanlan.zhihu.com/p/89222926
https://www.cnblogs.com/junhuawang/p/8182868.html
https://www.jianshu.com/p/67ed14b1cee1
https://www.jianshu.com/p/125e2f79bd44
https://juejin.cn/post/7236021829000101947?share_token=5bf398ea-f682-49d9-9c7f-16758dcc18d2
https://www.jianshu.com/p/5b9dd21438d8