如何不仅记录应用程序的屏幕，还记录屏幕上的所有内容，包括其他应用程序

Question

我正在尝试使用 ReplayKit(Swift) 实现屏幕录制应用程序。似乎当我离开应用程序时，会停止后台记录。在尝试了一些文件之后，到目前为止我明白我需要实现广播扩展。如果我的理解是正确的，那么请给我一些编程指南。

Answer 1

试试这个库

Screen capture

或者这个：

Vid recorder

import ScreenCapture

let recorder = ScreenCapture.recordScreen("/path/to/save/to.mp4")

recorder.start()
...
recorder.stop()

let movieUrl = recorder.destination

否则你可以这样做：

import ReplayKit
import UIKit

class ViewController: UIViewController, RPPreviewViewControllerDelegate {
    override func viewDidLoad() {
        super.viewDidLoad()

        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Start", style: .plain, target: self, action: #selector(startRecording))
    }

    @objc func startRecording() {
        let recorder = RPScreenRecorder.shared()

        recorder.startRecording{ [unowned self] (error) in
            if let unwrappedError = error {
                print(unwrappedError.localizedDescription)
            } else {
                self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Stop", style: .plain, target: self, action: #selector(self.stopRecording))
            }
        }
    }

    @objc func stopRecording() {
        let recorder = RPScreenRecorder.shared()

        recorder.stopRecording { [unowned self] (preview, error) in
            self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Start", style: .plain, target: self, action: #selector(self.startRecording))

            if let unwrappedPreview = preview {
                unwrappedPreview.previewControllerDelegate = self
                self.present(unwrappedPreview, animated: true)
            }
        }
    }

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

Replay Kit 只记录它当前的应用程序屏幕，每当应用程序变为后台时，记录将停止，这是设计使然。