initializeAudioService function
Implementation
Future<void> initializeAudioService() async {
// store this in a singleton
_audioHandler = await AudioService.init(
builder: () => MediaManagerAudioHandler(),
config: const AudioServiceConfig(
androidNotificationChannelId: 'com.mycompany.myapp.channel.audio',
androidNotificationChannelName: 'Music playback',
),
);
}