trilliwon

class PhotoCapture {
  // here some stuff for capture image, such as capture session, configurations, photo output
  // More detail : https://github.com/trilliwon/ArtCamera/blob/master/Camera/Controllers/PhotoCapture.swift
}
// MARK: - AVCapturePhotoCaptureDelegate
extension PhotoCapture: AVCapturePhotoCaptureDelegate {
  func photoOutput(_ output: AVCapturePhotoOutput, willCapturePhotoFor resolvedSettings: AVCaptureResolvedPhotoSettings) {
    AudioServicesDisposeSystemSoundID(1108)
  }

ethanhuang13

extension UIView {
    func isPossiblyVisible() -> Bool {
        guard isHidden == false,
            alpha > 0,
            bounds != .zero,
            let window = window, // In a window's view hierarchy
            window.isKeyWindow, // Does not consider cases covered by another transparent window
            window.hitTest(convert(center, to: nil), with: nil) != self
            else { return false }