takePicture method
Implementation
Future<XFile?> takePicture() async {
assert(_cameraController != null, 'Camera controller not initialized');
await _cameraController?.stopImageStream();
XFile? file = await _cameraController?.takePicture();
final correctedImage = await fixImageOrientation(file);
_imagePath.value = correctedImage.path;
return XFile(correctedImage.path);
}