initializeCamera static method

Future<void> initializeCamera({ required CameraLens initialLens, required dynamic onError(dynamic), ImageResolution imageResolution = ImageResolution.high, CameraFlashMode defaultFlashMode = CameraFlashMode.off, IndicatorShape indicatorShape = IndicatorShape.defaultShape, AccuracyConfig? accuracyConfig, })

Initialize camera and start face detection

Implementation

static Future<void> initializeCamera({
  required CameraLens initialLens,
  required Function(dynamic) onError,
  ImageResolution imageResolution = ImageResolution.high,
  CameraFlashMode defaultFlashMode = CameraFlashMode.off,
  IndicatorShape indicatorShape = IndicatorShape.defaultShape,
  AccuracyConfig? accuracyConfig,
}) async {
  try {
    // Store the configuration
    _accuracyConfig = accuracyConfig;
    _imageResolution = imageResolution;
    _defaultFlashMode = defaultFlashMode;
    _indicatorShape = indicatorShape;

    // Clean up any existing camera resources first
    _faceDetectionTimer?.cancel();
    if (_cameraController != null) {
      if (_cameraController!.value.isInitialized) {
        await _cameraController!.dispose();
      }
      _cameraController = null;
    }

    // Reset face detection values
    faceDetected.value = false;
    statusMessage.value = '';
    faceLeft.value = null;
    faceTop.value = null;
    faceWidth.value = null;
    faceHeight.value = null;

    // Initialize face detection first
    await initialize();

    // Initialize cameras after face detection is ready
    _cameras = await availableCameras();
    if (_cameras.isEmpty) {
      onError('No cameras available');
      return;
    }

    // Select initial camera
    final initialCamera = initialLens == CameraLens.front
        ? _cameras.firstWhere(
            (camera) => camera.lensDirection == CameraLensDirection.front,
            orElse: () => _cameras.first)
        : _cameras.firstWhere(
            (camera) => camera.lensDirection == CameraLensDirection.back,
            orElse: () => _cameras.first);

    // Map ImageResolution to ResolutionPreset
    ResolutionPreset resolutionPreset =
        _mapResolutionToPreset(_imageResolution);

    // Initialize camera controller with resolution
    _cameraController = CameraController(
      initialCamera,
      resolutionPreset,
      enableAudio: false,
    );

    await _cameraController!.initialize();

    // Apply flash mode settings
    await _applyInitialFlashMode();

    // Start face detection after ensuring everything is initialized
    await Future.delayed(const Duration(milliseconds: 1000));
    startFaceDetection();
  } catch (e) {
    print('Camera initialization error: $e');
    onError(e);
  }
}