initialize method

Future<void> initialize()

Initializes the camera on the device.

Throws a CameraException if the initialization fails.

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(
      'plugins.flutter.io/yourinrolltoolsstream/cameraEvents$_textureId')
      .receiveBroadcastStream()
      .listen(_listener);
  _creatingCompleter?.complete();
  return _creatingCompleter?.future;
}