ios - RPScreenRecorder 在奇怪的情况下不录制麦克风

Question

如果没有出现权限弹出窗口，为什么即使启用了 RPScreenRecorder，它也不会录制麦克风？当弹出窗口出现时它可以工作，但重新启动应用程序后的尝试不会录制麦克风。 这是我制作的非常简单的应用程序，只是为了测试更大的应用程序的此功能。

我已经在 iOS 11 上测试了这个应用程序，它每次都能工作。然而，在 iOS 12+ 上，它仅在权限弹出窗口出现时才起作用，并且每 8 分钟出现一次。每次授予权限后都应该有效。

import ReplayKit

class ViewController: UIViewController, RPPreviewViewControllerDelegate {
    private let recorder = RPScreenRecorder.shared()
    private var isRecording = false

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
    }

    @IBAction func react() {
        if !isRecording {
            let alert = UIAlertController(title: "Record", message: "Would you like to record a video?", preferredStyle: .alert)

            let okay = UIAlertAction(title: "Okay", style: .destructive, handler: { (action: UIAlertAction) in
                self.startRecording()
            })

            alert.addAction(okay)
            self.present(alert, animated: true, completion: nil)
        } else {
            stopRecording()
        }
    }

    private func startRecording() {

        guard self.recorder.isAvailable else {
            print("Recording is not available at this time.")
            return
        }
        self.recorder.isMicrophoneEnabled = true

        self.recorder.startRecording{ [unowned self] (error) in
            guard error == nil else {
                print("There was an error starting the recording.")
                return
            }

            print("Started Recording Successfully")
            self.isRecording = true

        }


    }

    private func stopRecording() {
        recorder.stopRecording { [unowned self] (preview, error) in
            print("Stopped recording")
            guard preview != nil else {
                print("Preview controller is not available.")
                return
            }

            let alert = UIAlertController(title: "Recording Finished", message: "Would you like to edit or delete your recording?", preferredStyle: .alert)

            let deleteAction = UIAlertAction(title: "Delete", style: .destructive, handler: { (action: UIAlertAction) in
                self.recorder.discardRecording(handler: { () -> Void in
                    print("Recording suffessfully deleted.")
                })
            })

            let editAction = UIAlertAction(title: "Edit", style: .default, handler: { (action: UIAlertAction) -> Void in
                preview?.previewControllerDelegate = self
                self.present(preview!, animated: true, completion: nil)
            })

            alert.addAction(editAction)
            alert.addAction(deleteAction)
            self.present(alert, animated: true, completion: nil)

            self.isRecording = false
        }
    }

    func previewControllerDidFinish(_ previewController: RPPreviewViewController) {
        dismiss(animated: true)
    }

}

我希望麦克风在允许权限后每次都应该录音，但它似乎只在请求这些权限的 session 期间录制麦克风。

Answer 1

这似乎已在 iOS 13 中修复。现在，每次您请求录制屏幕时，操作系统都会请求许可。但我仍然没有修复 iOS 12 的问题。