ttsGetAvailableVoices method

@override Future<List<ReaderTTSVoice>> ttsGetAvailableVoices()

Get the list of available TTS voices on the platform.

Implementation

@override
Future<List<ReaderTTSVoice>> ttsGetAvailableVoices() async {
  final voicesStr = await methodChannel.invokeMethod<List<dynamic>>(
    'ttsGetAvailableVoices',
  );
  final voices =
      voicesStr
          ?.cast<String>()
          .map<Map<String, dynamic>>(
            (str) => json.decode(str) as Map<String, dynamic>,
          )
          .map<ReaderTTSVoice>((map) => ReaderTTSVoice.fromJsonMap(map))
          .toList() ??
      <ReaderTTSVoice>[];
  return voices;
}