asim_kyc 0.0.79

Package Flutter để tích hợp chức năng xác thực KYC với nhận diện khuôn mặt, phát hiện ảnh giả và xác minh danh tính.

example/lib/main.dart

import 'dart:io';

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

late List<CameraDescription> cameras;

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  cameras = await availableCameras();
  runApp(
    const MaterialApp(
      home: MyApp(),
    ),
  );
}

enum DocumentStep {
  CAMERA_FRONT('camera_front'),
  CAMERA_BACK('camera_back'),
  CAMERA_PASSPORT('camera_passport'),
  CAMERA_SELFIE('camera_selfie'),
  ;

  const DocumentStep(this.value);

  final String value;

  static DocumentStep getByValue(String i) {
    return DocumentStep.values.firstWhere((x) => x.value == i,
        orElse: () => DocumentStep.CAMERA_FRONT);
  }
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final controller = KycCameraController();

  DocumentStep doc = DocumentStep.CAMERA_SELFIE;

  Future<File> resizeImage(String imgPath) async {
    File _file = File(imgPath);

    ///Resize Image
    try {
      var bytes = await _file.readAsBytes();
      print("bytes ${bytes.length}");
      if (bytes.length > 1500000) {
        ImageProperties properties =
            await FlutterNativeImage.getImageProperties(_file.path);
        var x = bytes.length / 1500000;
        _file = await FlutterNativeImage.compressImage(_file.path,
            quality: 100,
            percentage: 100,
            targetWidth: properties.width! ~/ x,
            targetHeight: properties.height! ~/ x);
        bytes = await _file.readAsBytes();

        _file.lengthSync();
      }
    } catch (e) {
      return _file;
    }
    return _file;
  }

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'camerAwesome App',
      home: Scaffold(
        backgroundColor: Colors.black,
        extendBodyBehindAppBar: true,
        body: Stack(
          children: [
            StatefulBuilder(
              builder: (context, setState) {
                return AsimKYC(
                  cameras: cameras,
                  controller: controller,
                  cardIdDirection: getCardIdDirection(doc),
                  onTakePhoto: (File file) {
                    // controller.onTakePhoto(
                    //     controller.currentDocumentStep.value, file);

                    doc = DocumentStep.CAMERA_SELFIE;
                    showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                        title: const Text("Test"),
                        content: Image.file(
                          file,
                          fit: BoxFit.contain,
                        ),
                      ),
                    );
                    setState(() {});
                  },
                  setupString: AsimKYCSetup(),
                  onFaceDetection: (List<File>? files) async {
                    final imgL = await resizeImage(files![0].path);
                    final imgFront = await resizeImage(files![1].path);
                    final imgR = await resizeImage(files![2].path);
                    // controller.disposeCameraAwesome();
                    showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                        title: const Text("Test"),
                        content: Row(
                          children: [
                            Expanded(
                              child: Image.file(
                                imgL,
                                fit: BoxFit.contain,
                              ),
                            ),
                            Expanded(
                              child: Image.file(
                                imgFront,
                                fit: BoxFit.contain,
                              ),
                            ),
                            Expanded(
                              child: Image.file(
                                imgR,
                                fit: BoxFit.contain,
                              ),
                            ),
                          ],
                        ),
                      ),
                    );
                    doc = DocumentStep.CAMERA_FRONT;
                    setState(() {});
                  },
                  onFaceProgress: (value) {
                    // controller.faceProgress(value);
                  },
                );
              },
            ),
            // Positioned(
            //   bottom: 0,
            //   left: 0,
            //   right: 0,
            //   child: Container(
            //     color: Colors.red,
            //     child: TextButton(
            //         onPressed: () {
            //           // controller.resetCamera();
            //           // controllerCamera = null;
            //
            //           doc = DocumentStep.CAMERA_SELFIE;
            //           setState(() {});
            //         },
            //         child: const Text('CAMERA_SELFIE')),
            //   ),
            // ),
            // Positioned(
            //   bottom: 30,
            //   left: 0,
            //   right: 0,
            //   child: Container(
            //     color: Colors.red,
            //     child: TextButton(
            //         onPressed: () async {
            //           controller.switchCameraAwesome();
            //           await Future.delayed(const Duration(milliseconds: 100));
            //           doc = DocumentStep.CAMERA_FRONT;
            //           setState(() {});
            //         },
            //         child: const Text('CAMERA_FRONT')),
            //   ),
            // ),
            // Positioned(
            //   bottom: 60,
            //   left: 0,
            //   right: 0,
            //   child: Container(
            //     color: Colors.red,
            //     child: TextButton(
            //         onPressed: () {
            //           // controller.disposeCameraAwesome();
            //           doc = DocumentStep.CAMERA_BACK;
            //           setState(() {});
            //         },
            //         child: const Text('CAMERA_BACK')),
            //   ),
            // )
          ],
        ),
        // body: CameraView(),
      ),
    );
  }

  CardIdDirection getCardIdDirection(DocumentStep currentDocumentStep) {
    switch (currentDocumentStep) {
      case DocumentStep.CAMERA_FRONT:
        return CardIdDirection.front;
      case DocumentStep.CAMERA_BACK:
        return CardIdDirection.back;
      case DocumentStep.CAMERA_PASSPORT:
        return CardIdDirection.front;
      case DocumentStep.CAMERA_SELFIE:
        return CardIdDirection.face;
    }
  }
}