Called when a sound has finished playing.
- iOS 2.2+
- macOS 10.7+
- tvOS 9.0+
- watchOS 3.2+
The audio player that finished playing.
trueon successful completion of playback;
falseif playback stopped because the system could not decode the audio data.
This method is not called upon an audio interruption. Rather, an audio player is paused upon interruption—the sound has not finished playing.