How to Detect iPhone Is on Silent Mode

How can I detect whether an iOS device is in silent mode or not?

I don't think there is and you probably don't need to directly call an API to detect if the device is muted or not. What you need to know is this:

When playing a sound, you will do something like:

        try AVAudioSession.sharedInstance().setCategory({AVAudioSessionCategory})
        try AVAudioSession.sharedInstance().setActive(true)
        audioPlayer = try AVAudioPlayer(contentsOfURL: alertSound)
        audioPlayer.prepareToPlay()
        audioPlayer.play()

In the {AVAudioSessionCategory}, you can specify:

AVAudioSessionCategorySoloAmbient: Your audio is silenced by screen
locking and by the Silent switch

AVAudioSessionCategoryPlayBack: Your Audio continues with the Silent
switch set to silent or when the screen locks

Detect silent mode in iOS 7

Check this thread - Detecting the iPhone's Ring / Silent / Mute switch using AVAudioPlayer not working?

And this API - SoundSwitch

How it works:

• Play an audio file of 0.5 secs, every sec (after completion..)
• Check how long it took to play the sound
• Callback called real fast? nothing was played (silent switch is ON)

Enjoy!

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