getVolume method
Retrieves the current volume level.
Implementation
Future<VolumeState> getVolume() async {
try {
final result =
await _methodChannel.invokeMapMethod<String, dynamic>('getVolume');
if (result == null) {
throw Exception("Failed to retrieve volume state.");
}
return VolumeState.fromMap(result);
} catch (e) {
throw Exception("Error fetching volume state: $e");
}
}