Initialize and configure the SDK

import 'package:nutrition_ai/nutrition_ai_sdk.dart';

void configureSDK() async {
  String passioKey = "Your_PassioSDK_Key";
  var configuration = PassioConfiguration(passioKey);
  passioStatus = await NutritionAI.instance.configureSDK(configuration);
  switch(passioStatus.mode) {
    // Handle result of the configuration process.
    case PassioMode.notReady: { break; }
    case PassioMode.isBeingConfigured: { break; }
    case PassioMode.failedToConfigure: { break; }
    case PassioMode.isDownloadingModels: { break; }
    case PassioMode.isReadyForDetection: { break; }
  }
}

class PassioStatus {
  PassioMode mode = PassioMode.notReady;
  List<String>? missingFiles;
  String? debugMessage;
  PassioSDKError? error;
  int? activeModels;
}

enum PassioMode {
  notReady,
  failedToConfigure,
  isBeingConfigured,
  isDownloadingModels,
  isReadyForDetection
}

Future<void> _checkPermission() async {
  if (await Permission.camera.request().isGranted) {
    _startFoodDetection();
  }
}

@override
Widget build(BuildContext context) {
  return Scaffold(
    body: Stack(
      children: [
        const PassioPreview(),
        ...
      ],
    ),
  );
}

void _startFoodDetection() {
  var detectionConfig = FoodDetectionConfiguration();
  detectionConfig.detectBarcodes = true;
  NutritionAI.instance.startFoodDetection(detectionConfig, this);
}

@override
void recognitionResults(FoodCandidates foodCandidates) {
  // Handle recognition results
}

@override
void dispose() {
  NutritionAI.instance.stopFoodDetection();
  super.dispose();
}

var attributes = await NutritionAI.instance.lookupPassioAttributesFor(passioID);