initialize method

Future<void> initialize()

Implementation

Future<void> initialize() async {
  if (_isDisposed!) {
    return Future<void>.value();
  }
  try {
    _creatingCompleter = Completer<void>();
    final Map<String, dynamic>? reply =
        await _channel.invokeMapMethod<String, dynamic>(
      'initialize',
      <String, dynamic>{
        'cameraName': description!.name,
        'resolutionPreset': serializeResolutionPreset(resolutionPreset!),
        'streamingPreset':serializeResolutionPreset(streamingPreset ?? resolutionPreset!),
        'enableAudio': enableAudio,
        'enableAndroidOpenGL': androidUseOpenGL ?? false
      },
    );
    _textureId = reply!['textureId'];
    value = value.copyWith(
      isInitialized: true,
      previewSize: Size(
        reply['previewWidth'].toDouble(),
        reply['previewHeight'].toDouble(),
      ),
      previewQuarterTurns: reply['previewQuarterTurns'],
    );
  } on PlatformException catch (e) {
    throw CameraException(e.code, e.message!);
  }
  _eventSubscription = EventChannel(
          'video_stream/cameraEvents$_textureId')
      .receiveBroadcastStream()
      .listen(_listener);
  _creatingCompleter!.complete();
  return _creatingCompleter!.future;
}