How to record IOS screen programmatically - ios

Question

Is there any way to record IOS screen programmatically. Means whatever activity you are doing like clicking buttons, Scrolling tableviews.
Even if a video is playing that will be captured again along with some other activity?
Have tried these
https://www.raywenderlich.com/30200/avfoundation-tutorial-adding-overlays-and-animations-to-videos
https://github.com/alskipp/ASScreenRecorder
but with these libraries won't provide quality video. I need quality video.
The issue is that with video playing in the background when i capture screen it does not show smooth video. It shows like one frame of video and then after 3-4 secs 2nd frame and so on. Also quality of video is not good its blurred

Answer 1

As of iOS 9, it looks like ReplayKit is available to greatly simplify this.
https://developer.apple.com/reference/replaykit
https://code.tutsplus.com/tutorials/ios-9-an-introduction-to-replaykit--cms-25458
Update: This may be less relevant now that iOS 11 has a built-in screen recorder, but the following Swift 3 code worked for me:
import ReplayKit
#IBAction func toggleRecording(_ sender: UIBarButtonItem) {
let r = RPScreenRecorder.shared()
guard r.isAvailable else {
print("ReplayKit unavailable")
return
}
if r.isRecording {
self.stopRecording(sender, r)
}
else {
self.startRecording(sender, r)
}
}
func startRecording(_ sender: UIBarButtonItem, _ r: RPScreenRecorder) {
r.startRecording(handler: { (error: Error?) -> Void in
if error == nil { // Recording has started
sender.title = "Stop"
} else {
// Handle error
print(error?.localizedDescription ?? "Unknown error")
}
})
}
func stopRecording(_ sender: UIBarButtonItem, _ r: RPScreenRecorder) {
r.stopRecording( handler: { previewViewController, error in
sender.title = "Record"
if let pvc = previewViewController {
if UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiom.pad {
pvc.modalPresentationStyle = UIModalPresentationStyle.popover
pvc.popoverPresentationController?.sourceRect = CGRect.zero
pvc.popoverPresentationController?.sourceView = self.view
}
pvc.previewControllerDelegate = self
self.present(pvc, animated: true, completion: nil)
}
else if let error = error {
print(error.localizedDescription)
}
})
}
// MARK: RPPreviewViewControllerDelegate
func previewControllerDidFinish(_ previewController: RPPreviewViewController) {
previewController.dismiss(animated: true, completion: nil)
}

Answer 2

ReplayKit is available, although you are not allowed to access the result video, the only way I've found so far is to make a number of screenshots (store them in array of images) and then convert these images to the video, not very efficient from performance standpoint though, but might work when you don't really need a 30/60 fps screen recording and might be ok w/ 6-20 pfs. Here's the full example.

Answer 3

Check out ScreenCaptureView, this has video-recording support built-in (see link).
What this does is it saves the contents of a UIView to a UIImage. The author suggests you can save a video of the app in use by passing the frames through AVCaptureSession.
I believe it hasn't been tested with an OpenGL subview, but assuming that it works you might be able to modify it slightly to include audio and then you'd be set.
AVCaptureSession Sample
AVCaptureSession Reference
import UIKit
import AVFoundation
class ViewController: UIViewController {
let captureSession = AVCaptureSession()
let stillImageOutput = AVCaptureStillImageOutput()
var error: NSError?
override func viewDidLoad() {
super.viewDidLoad()
let devices = AVCaptureDevice.devices().filter{ $0.hasMediaType(AVMediaTypeVideo) && $0.position == AVCaptureDevicePosition.Back }
if let captureDevice = devices.first as? AVCaptureDevice {
captureSession.addInput(AVCaptureDeviceInput(device: captureDevice, error: &error))
captureSession.sessionPreset = AVCaptureSessionPresetPhoto
captureSession.startRunning()
stillImageOutput.outputSettings = [AVVideoCodecKey:AVVideoCodecJPEG]
if captureSession.canAddOutput(stillImageOutput) {
captureSession.addOutput(stillImageOutput)
}
if let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession) {
previewLayer.bounds = view.bounds
previewLayer.position = CGPointMake(view.bounds.midX, view.bounds.midY)
previewLayer.videoGravity = AVLayerVideoGravityResizeAspectFill
let cameraPreview = UIView(frame: CGRectMake(0.0, 0.0, view.bounds.size.width, view.bounds.size.height))
cameraPreview.layer.addSublayer(previewLayer)
cameraPreview.addGestureRecognizer(UITapGestureRecognizer(target: self, action:"saveToCamera:"))
view.addSubview(cameraPreview)
}
}
}
func saveToCamera(sender: UITapGestureRecognizer) {
if let videoConnection = stillImageOutput.connectionWithMediaType(AVMediaTypeVideo) {
stillImageOutput.captureStillImageAsynchronouslyFromConnection(videoConnection) {
(imageDataSampleBuffer, error) -> Void in
let imageData = AVCaptureStillImageOutput.jpegStillImageNSDataRepresentation(imageDataSampleBuffer)
UIImageWriteToSavedPhotosAlbum(UIImage(data: imageData), nil, nil, nil)
}
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
}

Answer 4

You can use this library to record a view : screen-cap-view available on GitHub written in Objective C.
**And to use it in swift:**
--> Drag and drop the .m and .h files in your xcode project.
--> Make a header file and import the this file in that : *#import "IAScreenCaptureView.h"*
--> Then give a View this class from the PropertyInspector and then make a IBOutlet for that view . Something like this:
*#IBOutlet weak var contentView: IAScreenCaptureView!*
--> Then Finally just simply start and stop the recording of the view where ever and when ever you want and for that the code will be like this :
For Starting the Recording : *contentView.startRecording()*
For Stoping the Recording : *contentView.stopRecording()*
//Hope this helps.Happy coding. \o/ , ¯\_(ツ)_/¯ ,(╯°□°）╯︵ ┻━┻