         super.viewDidLoad()
         
         self.navigationItem.backBarButtonItem = UIBarButtonItem(title:"Back", style:.plain, target:nil, action:nil)
-        
+
         setupTimer()
         
         addObservers()

                    self.endTimePreview = nil
                }
            }
        }
    }
    

    
    @objc private func updateTime () {
        DispatchQueue.main.async {
            
            var playbackPosition = Double(0)
            if self.audioPlayer.progress > 0 {
                playbackPosition = self.audioPlayer.progress
            } else if let dur = self.pvMediaPlayer.duration {
                playbackPosition = Double(self.progress.value) * dur
            }
            
            self.currentTime.text = Int64(playbackPosition).toMediaPlayerString()
            
            if let dur = self.pvMediaPlayer.duration {
                self.duration.text = Int64(dur).toMediaPlayerString()
                self.progress.value = Float(playbackPosition / dur)
