Play Audio when device in silent mode - ios swift

Question

I am creating an application using xcode 7.1, swift. I want to play an audio. Everything is fine. Now my problem I want to hear sound when the device in silent mode or muted

Answer 1

Swift 4.2

   do {
        try AVAudioSession.sharedInstance().setCategory(.playback, mode: .default, options: [])
    } catch let error {
        print("Error in AVAudio Session\(error.localizedDescription)")
    }