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我有一个 imessage 扩展应用程序，除了第一次发送到组外，它工作正常。
iOS 14.4 多设备 8、8plus、10... Xcode 12.4

代码直接从发送闭包（成功）到 didResignActive。该应用程序应该保持活动状态。任何地方都没有解雇。我已经调试了带有附加设备的代码，它直接从日志行到 didResignActive。

如果我在同一个组上再次启动该应用程序，它工作正常。仅当我开始新的群组对话时，该应用程序才会失败，然后单击托盘中的应用程序，然后调用发送。

注意：这只发生在组发送中，并且仅在第一次创建组时发生。

       thisConversation.send(message) { error in
            if let error = error {
                os_log("submitMessage(%@): initial send error: %@", log: .default, type: .debug, type, error.localizedDescription)
            } else {
                os_log("submitMessage(%@): initial send success!", log: .default, type: .debug, type)
            }
        }
4

1 回答 1

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编辑：只是一个更新......我被告知为此提交错误报告（我这样做了）。

我还提供了一段视频，展示了如何重现该错误。

这是支持人员发回的消息...

你好，

感谢您联系 Apple 开发者技术支持 (DTS)。

DTS 无法为反馈 ID #FB9049862 提供解决方法；它仍在调查中。请继续通过错误报告跟踪问题。...

我能够创建一个重现此问题的测试应用程序，我认为需要演示的代码量最少。希望这能提供解决方案！

//
//  MessagesViewController.swift
//  testGroupSend MessagesExtension
//

import UIKit
import Messages
import os

class MessagesViewController: MSMessagesAppViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }
    
    // MARK: - Conversation Handling
    func composeSelectionMsg(on conversation: MSConversation, in
        session: MSSession) -> MSMessage {
         
        let layout = MSMessageTemplateLayout()
        layout.caption = "caption..."

        let message = MSMessage(session: session)
        message.layout = layout
        message.summaryText = "summary text..."
        
        var components = URLComponents()
        var queryItems = [URLQueryItem]()
        
        queryItems.append(URLQueryItem(name: "MessageType1", value: "msgType"))
        queryItems.append(URLQueryItem(name: "Encode-Name", value: "Encode-Value"))


        components.queryItems = queryItems
        message.url = components.url!
        
        return message
    }

    func submitMessage() {
        guard let conversation = activeConversation else {
            os_log("submitMessage(): guard on conversation falied!", log: .default, type: .debug)
            return
        }
        var session : MSSession
        if let tSess = conversation.selectedMessage?.session {
            session = tSess
            os_log("submitMessage() got a session!...", log: .default, type: .debug)
        } else {
            os_log("###### submitMessage() did NOT get a session, creating new MSSession() #####", log: .default, type: .debug)
            session = MSSession()
        }
        var message: MSMessage
         
        message = composeSelectionMsg(on: conversation, in: session)
            
            //  conversation.insert(message) { error in
        conversation.send(message) { error in
                if let error = error {
                    os_log("submitMessage(): initial send error: %@", log: .default, type: .debug, error.localizedDescription)
                } else {
                    os_log("submitMessage(): initial send success!", log: .default, type: .debug)
                }
            }
    }

    fileprivate func loadContentView() {
        os_log("loadContentView()...", log: .default, type: .debug)
       let childViewCtrl = ContentViewHostController()
        
        childViewCtrl.delegate = self
        childViewCtrl.view.layoutIfNeeded() // avoids snapshot warning?
        
        if let window = self.view.window {
            childViewCtrl.myWindow = window
            window.rootViewController = childViewCtrl
        }
    }
    
    override func willBecomeActive(with conversation: MSConversation) {
        loadContentView()
    }
    
    override func didResignActive(with conversation: MSConversation) {
        os_log("didResignActive()...", log: .default, type: .debug)

    }
}
//
//
import SwiftUI
import Messages
import os

final class ContentViewHostController: UIHostingController<ContentView> {
    weak var delegate: ContentViewHostControllerDelegate?
    weak var myWindow: UIWindow?

    init() {
        
        super.init(rootView: ContentView())
        rootView.submitMessage = submitMessage
    }
    required init?(coder: NSCoder) {
        super.init(coder: coder, rootView: ContentView())
    }

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
    }
    
    func submitMessage() {
        os_log("ContentViewHostController::submitMessage(): submit message...", log: .default, type: .debug)
        delegate?.contentViewHostControllerSubmitMessage(self)
    }
}

struct ContentView: View {
    @Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>

    var submitMessage: (() -> Void)?
       
    var body: some View {
        VStack {
            VStack {
                HStack {
                    Button(action: { self.cancel() } ) { Image(systemName: "chevron.left") }
                        .padding()
                    
                    Spacer()
               
                    Button(action: { self.submit() } ) {
                        Text("Send...")
                    }
                    .padding()
                    
                } // HStack
            } // VStack
        } // outside most VStack

    } // body
  
    private func cancel() {
        presentationMode.wrappedValue.dismiss()
    }
    
    private func submit() {
        submitMessage!()
        presentationMode.wrappedValue.dismiss()
    }
} // ContentView


//
//

import SwiftUI
import Messages
import os

extension MessagesViewController: ContentViewHostControllerDelegate {
        // MARK: - ContenHost delegate

        func contentViewHostControllerSubmitMessage(_ controller: ContentViewHostController) {
            os_log("delegateSubmitMessage:...")
            
            submitMessage()
        }

}

//
//
import SwiftUI
import Messages

protocol ContentViewHostControllerDelegate: class  {
    func contentViewHostControllerSubmitMessage( _ controller: ContentViewHostController )
}
于 2021-02-27T16:07:20.397 回答