Scrumdinger sample app does not play sound

Question

Created Aug ’21

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Participants 4

I installed the Scrumdinger tutorial app using the links at: https://developer.apple.com/tutorials/app-dev-training/getting-started-with-scrumdinger

The ding sound does not play on my iPhone, the relevant code is:

import Foundation
import AVFoundation

extension AVPlayer {
    static let sharedDingPlayer: AVPlayer = {
        guard let url = Bundle.main.url(forResource: "ding", withExtension: "wav") else { fatalError("Failed to find sound file.") }
        return AVPlayer(url: url)
    }()
}

player.seek(to: .zero)
player.play()

If I create a separate sample app with just this code it does play the sound. However the sample Scrumdinger app does not play the "ding" sound.

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Answer 1

sam181818 OP

Aug ’21

Accepted Answer

It seem that the sample code is missing the line try? AVAudioSession.sharedInstance().setCategory(.playback) without which the AVPlayer does not play the sound. Changing the code as follows fixes the issue

   var player: AVPlayer {
    try? AVAudioSession.sharedInstance().setCategory(.playback)
    return AVPlayer.sharedDingPlayer 
}

1

Answer 2

Nortiz OP

Sep ’22

Did you copy the ding.wav file to your project Resource group?

1