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Question about NSObject based Class & delegates
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Question about NSObject based Class & delegates


  • Subject: Question about NSObject based Class & delegates
  • From: "Eric E. Dolecki" <email@hidden>
  • Date: Mon, 14 Aug 2017 18:59:10 +0000

I have a custom class. I want to use some delegation in it. How do I go
about this - currently this crashes when I assign delegates to self.

class AudioRecordingManager: NSObject, AVAudioPlayerDelegate,
AVSpeechSynthesizerDelegate {

    let fileName = "demoRecording.m4a"
    var messageToSpeakAfter: String = ""
    var synthesizer:AVSpeechSynthesizer!
    var audioPlayer:AVAudioPlayer!

    override init() {
        super.init()
        audioPlayer = AVAudioPlayer()
        synthesizer = AVSpeechSynthesizer()
       * audioPlayer.delegate = self // CRASH here*
        synthesizer.delegate = self
    }
...
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