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I tried to use the method

AudioServicesPlayAlertSound(kSystemSoundID_Vibrate)
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate)

to trigger vibration when the method

 func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
}

is called.

However, I found that the vibration never be triggered unless the app is at the foreground.

Any method to do this?

user6539552
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0 Answers0