fis_lib_basictest/lib/hardware_detection/widgets/camera_ui.dart

import 'package:camera/camera.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../index.dart';
import 'widgets.dart';

/// 摄像头预览
class CameraUI extends GetView<HardwareDetectionController> {
  @override
  Widget build(BuildContext context) {
    return Obx(
      () {
        if (controller.state.cameraList.isEmpty) {
          return Container();
        }
        return ExpandableContainer(
          expanded: controller.state.isDisplayCameraWindow,
          child: controller.state.isDisplayCameraWindow
              ? CameraPreview(controller.cameraController)
              : Container(
                  decoration: BoxDecoration(
                    border: Border.all(color: Colors.grey[300]!),
                    borderRadius: BorderRadius.circular(5),
                    color: Colors.grey[200],
                  ),
                  child: Center(
                    child: Icon(
                      Icons.photo_camera_outlined,
                      color: Colors.black54,
                    ),
                  ),
                ),
        );
      },
    );
  }
}