Why are you using Implicitly Unwrapped Optional (IUO) for your instance
variables ? This is the best way to get crashes like you do.
IUO should only be used for very specific cases (IBOutlet)
> Le 14 août 2017 à 20:59, Eric E. Dolecki <edole...@gmail.com> a écrit :
>
> 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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