swift copy video from photo library
import UIKit
public protocol VideoPickerDelegate: class {
func didSelect(url: URL?)
}
open class VideoPicker: NSObject {
private let pickerController: UIImagePickerController
private weak var presentationController: UIViewController?
private weak var delegate: VideoPickerDelegate?
public init(presentationController: UIViewController, delegate: VideoPickerDelegate) {
self.pickerController = UIImagePickerController()
super.init()
self.presentationController = presentationController
self.delegate = delegate
self.pickerController.delegate = self
self.pickerController.allowsEditing = true
self.pickerController.mediaTypes = ["public.movie"]
self.pickerController.videoQuality = .typeHigh
}
private func action(for type: UIImagePickerController.SourceType, title: String) -> UIAlertAction? {
guard UIImagePickerController.isSourceTypeAvailable(type) else {
return nil
}
return UIAlertAction(title: title, style: .default) { [unowned self] _ in
self.pickerController.sourceType = type
self.presentationController?.present(self.pickerController, animated: true)
}
}
public func present(from sourceView: UIView) {
let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
if let action = self.action(for: .camera, title: "Take video") {
alertController.addAction(action)
}
if let action = self.action(for: .savedPhotosAlbum, title: "Camera roll") {
alertController.addAction(action)
}
if let action = self.action(for: .photoLibrary, title: "Video library") {
alertController.addAction(action)
}
alertController.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
if UIDevice.current.userInterfaceIdiom == .pad {
alertController.popoverPresentationController?.sourceView = sourceView
alertController.popoverPresentationController?.sourceRect = sourceView.bounds
alertController.popoverPresentationController?.permittedArrowDirections = [.down, .up]
}
self.presentationController?.present(alertController, animated: true)
}
private func pickerController(_ controller: UIImagePickerController, didSelect url: URL?) {
controller.dismiss(animated: true, completion: nil)
self.delegate?.didSelect(url: url)
}
}
extension VideoPicker: UIImagePickerControllerDelegate {
public func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
self.pickerController(picker, didSelect: nil)
}
public func imagePickerController(_ picker: UIImagePickerController,
didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
guard let url = info[.mediaURL] as? URL else {
return self.pickerController(picker, didSelect: nil)
}
// //uncomment this if you want to save the video file to the media library
// if UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(url.path) {
// UISaveVideoAtPathToSavedPhotosAlbum(url.path, self, nil, nil)
// }
self.pickerController(picker, didSelect: url)
}
}
extension VideoPicker: UINavigationControllerDelegate {
}