paperless-mobile/packages/paperless_document_scanner/example/lib/camera_view.dart

import 'package:camera/camera.dart';
import 'package:flutter/material.dart';

class CameraView extends StatelessWidget {
  const CameraView({super.key, required this.controller});

  final CameraController controller;

  @override
  Widget build(BuildContext context) {
    if (!controller.value.isInitialized) {
      return Container();
    }

    return Center(
      child: CameraPreview(controller),
    );
  }
}