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AudioServicesCreateSystemSoundID | iOS Developer Zone

    http://iosdeveloperzone.com/tag/audioservicescreatesystemsoundid/
    If you are using ARC see: “Playing a System Sound (ARC Version)”. Today I needed to add a simple beep sound to an app. The code snippet below shows all the relevant calls.

ios - AudioServicesCreateSystemSoundID only once in ...

    https://stackoverflow.com/questions/35595342/audioservicescreatesystemsoundid-only-once-in-application-and-play-sound-from-an
    class PlaySound { static private var mySound:SystemSoundID = { // Do it like this so mySound is initialised only when it is first used var aSound:SystemSoundID = 1000 // a default sound in case we forget the sound file if let soundURL = NSBundle.mainBundle().URLForResource("Detection", withExtension: "wav") { …

Apple Developer Documentation

    https://developer.apple.com/documentation/audiotoolbox/1405248-audioservicesplaysystemsound
    This function plays a short sound (30 seconds or less in duration). Because sound might play for several seconds, this function is executed asynchronously. To know when a sound has finished playing, call the AudioServicesAddSystemSoundCompletion (_:_:_:_:_:) function to register a callback function. On some iOS devices, you can pass the kSystemSoundID_Vibrate constant …

Apple Developer Documentation

    https://developer.apple.com/documentation/audiotoolbox/audio_services
    Overview. System Sound Services provides a C interface for playing short sounds and for invoking vibration on iOS devices that support vibration. You can use System Sound Services to play short (30 seconds or shorter) sounds. The interface does not provide level, positioning, looping, or timing control, and does not support simultaneous playback: You can play only one …

Beginning ARC in iOS 5 Tutorial Part 1 | raywenderlich.com

    https://www.raywenderlich.com/2992-beginning-arc-in-ios-5-tutorial-part-1
    The most disruptive change in iOS 5 is the addition of Automatic Reference Counting, or ARC for short. ARC is a feature of the new LLVM 3.0 compiler and it completely does away with the manual memory management that all iOS developers love to hate. Using ARC in your own projects is extremely simple.

Play a short sound in iOS

    https://www.py4u.net/discuss/1086756
    If you call AudioServicesCreateSystemSoundID() you have to dispose of the resulting sound. See the Audio UI Sounds example. Basically: @interface MyClass:UI*ViewController // fixed { SystemSoundID mySound; } @implementation MyClass - (void) viewDidLoad { [super viewDidLoad]; AudioServicesCreateSystemSoundID(....

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