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ios - Error handling of AVAudioPlayer's contentsOfURL ...
https://stackoverflow.com/questions/33239107/error-handling-of-avaudioplayers-contentsofurlerror-in-swift-2
let url = NSURL.fileURLWithPath(tracks[currentTrackIndex] as String) player = AVAudioPlayer(contentsOfURL: url, error: &error) if let hasError = error { //TODO: SHOW ALERT HERE } else { player?.delegate = self player?.prepareToPlay() } } Here is what I attempted in Swift 2.0. It runs, but I get warnings.
c# - AVAudioPlayer cannot be initialized - Stack Overflow
https://stackoverflow.com/questions/46154953/avaudioplayer-cannot-be-initialized
In a Xamarin.iOS Application AVAudioPlayer is used to record and play some audio files. The user records and saves some audio files very fast and when he tries to play one of them it throws a System.Exception in the line: NSError error; _player = new AVAudioPlayer(NSUrl.FromFilename(_audioPlaybackFilePath), "m4a", out error);
AVAudioplayer initialize component throws a null exception
https://stackoverflow.com/questions/34917723/avaudioplayer-initialize-component-throws-a-null-exception
URL is getting link correctly but audio player getting value null. It throws an exception below: Could not initialize an instance of the type 'AVFoundation.AVAudioPlayer': the native 'initWithContentsOfURL:error:' method returned nil. It is possible to ignore this condition by setting : MonoTouch.ObjCRuntime.Class.ThrowOnInitFailure to false
ios - AVAudioPlayer throws breakpoint in debug mode ...
https://stackoverflow.com/questions/9683547/avaudioplayer-throws-breakpoint-in-debug-mode
AVAudioPlayer and AVAudioRecorder both will throw exceptions, several of them. These are handled internally by the players but if you have a breakpoint for "All Breakpoints" (i.e. Exception: All, Break: On Throw) you will catch these exceptions. If you continue execution on these, the app will continue to run normally and not crash at all.
ios - AVAudioPlayer no longer working in Swift 2.0 / …
https://stackoverflow.com/questions/30786877/avaudioplayer-no-longer-working-in-swift-2-0-xcode-7-beta
In your case, the AVAudioPlayer constructor can throw an error. Swift won't let you use methods that throw errors in property initializers because there is no way to handle them there. Instead, don't initialize the property until the init of the view controller.
Apple Developer Documentation
https://developer.apple.com/documentation/avfaudio/avaudioplayer
class AVAudioPlayer: NSObject. Overview. Use an audio player to: Play audio of any duration from a file or buffer. Control the volume, panning, rate, and looping behavior of the played audio. Access playback-level metering data. Play multiple sounds simultaneously by synchronizing the playback of multiple players.
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