717 lines
28 KiB
Dart
717 lines
28 KiB
Dart
import 'dart:io';
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import 'dart:ui';
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import 'package:camera/camera.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:google_mlkit_face_detection/google_mlkit_face_detection.dart';
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import '../../core/theme.dart';
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import '../../core/utils/camera_utils.dart';
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import '../../repositories/face_repository.dart';
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import '../../widgets/atoms/custom_button.dart';
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import '../../widgets/atoms/scanner_overlay.dart';
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class FaceTestScreen extends StatefulWidget {
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const FaceTestScreen({super.key});
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@override
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State<FaceTestScreen> createState() => _FaceTestScreenState();
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}
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class _FaceTestScreenState extends State<FaceTestScreen> {
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CameraController? _cameraController;
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CameraDescription? _frontCamera;
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bool _isCameraInitialized = false;
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bool _isVerifying = false;
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bool _showResult = false;
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bool _isProcessingFrame = false;
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// Quality gate
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bool _isFaceDetected = false;
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bool _isDistanceOk = false;
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bool _isBrightnessOk = false;
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bool _isLightingUniform = false;
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bool _isPoseValid = false;
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double _faceRatio = 0.0;
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double _brightness = 0.0;
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double _lightingUniformity = 0.0;
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double _headEulerAngleY = 0.0;
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bool? _verified;
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double? _confidence;
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double? _svmDf;
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int? _framesTotal;
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int? _framesApproved;
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String? _statusText;
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String? _errorMessage;
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String? _predictedName;
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late FaceDetector _faceDetector;
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bool get _allChecksValid =>
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_isFaceDetected && _isDistanceOk && _isBrightnessOk && _isLightingUniform && _isPoseValid;
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// State recording
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bool _isRecording = false;
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int _recordingSecondsLeft = 1;
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String get _qualityMessage {
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if (_isRecording) return 'Tetap hadap kamera... ($_recordingSecondsLeft detik)';
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if (!_isFaceDetected) return 'Arahkan wajah ke dalam bingkai';
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if (_faceRatio < 0.25) return 'Terlalu jauh, dekatkan wajah';
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if (_faceRatio > 0.75) return 'Terlalu dekat, mundur sedikit';
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if (!_isBrightnessOk) return 'Pencahayaan kurang terang';
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if (!_isLightingUniform) return 'Ada bayangan, hadap cahaya';
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if (!_isPoseValid) return 'Hadap lurus ke kamera';
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return 'Siap — mulai verifikasi';
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}
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Color get _resultColor {
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final s = _statusText;
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if (s == 'APPROVED' || s == 'MATCH') return AppTheme.statusGreen;
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if (s == 'PENDING' || s == 'MISMATCH') return AppTheme.statusYellow;
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return AppTheme.statusRed;
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}
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@override
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void initState() {
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super.initState();
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_faceDetector = FaceDetector(
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options: FaceDetectorOptions(
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enableClassification: false,
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enableLandmarks: true,
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enableContours: false,
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enableTracking: true,
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performanceMode: FaceDetectorMode.accurate,
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),
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);
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_initializeCamera();
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}
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Future<void> _initializeCamera() async {
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try {
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final cameras = await availableCameras();
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_frontCamera = cameras.firstWhere(
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(camera) => camera.lensDirection == CameraLensDirection.front,
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orElse: () => cameras.first,
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);
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_cameraController = CameraController(
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_frontCamera!,
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ResolutionPreset.medium,
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enableAudio: false,
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imageFormatGroup: Platform.isAndroid
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? ImageFormatGroup.nv21
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: ImageFormatGroup.bgra8888,
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);
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await _cameraController!.initialize();
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if (!mounted) return;
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_startQualityStream();
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setState(() {
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_isCameraInitialized = true;
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});
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} catch (e) {
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debugPrint("Error initializing camera: $e");
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}
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}
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void _startQualityStream() {
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_cameraController!.startImageStream((CameraImage image) {
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if (!mounted || _showResult || _isVerifying) return;
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_processFrame(image);
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});
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}
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void _processFrame(CameraImage image) async {
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if (_isProcessingFrame) return;
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_isProcessingFrame = true;
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try {
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_brightness = BrightnessUtils.calculateBrightness(image, centerOnly: true);
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_isBrightnessOk = _brightness > 70;
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_lightingUniformity = BrightnessUtils.calculateFaceUniformity(image);
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_isLightingUniform = _lightingUniformity > 0.45;
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final inputImage = CameraUtils.inputImageFromCameraImage(
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image: image,
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camera: _frontCamera!,
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rotation: CameraUtils.rotationIntToImageRotation(
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_frontCamera!.sensorOrientation),
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);
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final faces = await _faceDetector.processImage(inputImage);
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if (faces.isNotEmpty) {
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final face = faces.first;
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_headEulerAngleY = face.headEulerAngleY ?? 0.0;
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_isPoseValid = _headEulerAngleY.abs() < 18.0;
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final rotation = CameraUtils.rotationIntToImageRotation(_frontCamera!.sensorOrientation);
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final bool isRotated90or270 =
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rotation == InputImageRotation.rotation90deg ||
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rotation == InputImageRotation.rotation270deg;
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final double effectiveWidth = isRotated90or270
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? image.height.toDouble()
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: image.width.toDouble();
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_faceRatio = face.boundingBox.width / effectiveWidth;
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_isFaceDetected = true;
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_isDistanceOk = _faceRatio >= 0.25 && _faceRatio <= 0.75;
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} else {
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_isFaceDetected = false;
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_isDistanceOk = false;
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_isPoseValid = false;
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_faceRatio = 0.0;
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}
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if (mounted) setState(() {});
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} catch (e) {
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debugPrint("Error processing frame: $e");
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} finally {
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_isProcessingFrame = false;
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}
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}
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Future<void> _recordAndVerify() async {
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if (_cameraController == null || _isVerifying || !_allChecksValid) return;
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setState(() {
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_isRecording = true;
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_recordingSecondsLeft = 1;
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_showResult = false;
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_errorMessage = null;
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});
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try {
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await _cameraController!.stopImageStream();
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} catch (_) {}
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try {
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await _cameraController!.prepareForVideoRecording();
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await _cameraController!.startVideoRecording();
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for (int i = 1; i >= 1; i--) {
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if (!mounted) return;
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setState(() => _recordingSecondsLeft = i);
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await Future.delayed(const Duration(seconds: 1));
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}
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if (!mounted) return;
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final XFile video = await _cameraController!.stopVideoRecording();
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final File videoFile = File(video.path);
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setState(() {
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_isRecording = false;
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_isVerifying = true;
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});
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final result = await FaceRepository().verifyFace(videoFile, tipe: 'test');
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if (mounted) {
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setState(() {
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_verified = result['verified'] == true;
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final approvedRatio = (result['approved_ratio'] is num)
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? (result['approved_ratio'] as num).toDouble()
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: null;
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final rawConf = (result['confidence'] is num)
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? (result['confidence'] as num).toDouble()
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: null;
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_confidence = approvedRatio ?? rawConf;
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_svmDf = (result['svm_df'] is num)
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? (result['svm_df'] as num).toDouble()
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: null;
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_framesTotal = (result['frames_total'] as num?)?.toInt();
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_framesApproved = (result['frames_approved'] as num?)?.toInt();
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_statusText = result['verification_status']?.toString() ??
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result['status']?.toString();
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_predictedName = result['predicted_name']?.toString();
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_showResult = true;
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_isVerifying = false;
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});
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if (_verified == true) {
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HapticFeedback.lightImpact();
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} else {
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HapticFeedback.heavyImpact();
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}
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_verified = false;
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_isRecording = false;
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_errorMessage = e.toString().replaceAll('Exception: ', '');
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_showResult = true;
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_isVerifying = false;
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});
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HapticFeedback.heavyImpact();
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}
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}
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}
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void _resetTest() {
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setState(() {
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_showResult = false;
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_verified = null;
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_confidence = null;
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_svmDf = null;
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_framesTotal = null;
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_framesApproved = null;
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_statusText = null;
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_errorMessage = null;
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_predictedName = null;
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_isRecording = false;
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_isFaceDetected = false;
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_isDistanceOk = false;
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_isBrightnessOk = false;
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_isLightingUniform = false;
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_isPoseValid = false;
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});
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_startQualityStream();
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}
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@override
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void dispose() {
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_cameraController?.dispose();
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_faceDetector.close();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.black,
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extendBodyBehindAppBar: true,
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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leading: IconButton(
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icon: Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: Colors.black.withOpacity(0.5),
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shape: BoxShape.circle,
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),
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child: const Icon(Icons.arrow_back_ios_new,
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color: Colors.white, size: 16),
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),
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onPressed: () => Navigator.pop(context),
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),
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),
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body: Stack(
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children: [
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if (_isCameraInitialized)
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SizedBox.expand(
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child: FittedBox(
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fit: BoxFit.cover,
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child: SizedBox(
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width: _cameraController!.value.previewSize?.height ??
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MediaQuery.of(context).size.width,
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height: _cameraController!.value.previewSize?.width ??
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MediaQuery.of(context).size.height,
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child: CameraPreview(_cameraController!),
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),
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),
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)
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else
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const Center(
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child: CircularProgressIndicator(color: Colors.white),
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),
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ScannerOverlay(
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borderColor: _showResult
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? _resultColor
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: _allChecksValid
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? AppTheme.statusGreen
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: _isFaceDetected
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? AppTheme.statusYellow
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: AppTheme.primaryBlue,
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isScanning: _isVerifying || (!_showResult && !_isVerifying),
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),
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Positioned(
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top: MediaQuery.of(context).padding.top + kToolbarHeight + 20,
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left: 20,
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right: 20,
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child: Column(
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children: [
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Text(
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"Test Pengenalan Wajah",
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style: AppTheme.heading3.copyWith(color: Colors.white),
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),
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const SizedBox(height: 10),
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ClipRRect(
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borderRadius: BorderRadius.circular(20),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 20, vertical: 10),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.15),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: Colors.white.withOpacity(0.3)),
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),
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child: Text(
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_isVerifying
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? "Memverifikasi wajah..."
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: _showResult
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? (_statusText == 'MATCH'
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? "Wajah Terverifikasi ✓"
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: _statusText == 'MISMATCH'
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? "Verifikasi Meragukan ⚠️"
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: "Wajah Tidak Cocok ✗")
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: _qualityMessage,
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textAlign: TextAlign.center,
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style: AppTheme.bodyLarge.copyWith(
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color: _showResult
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? _resultColor
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: _allChecksValid
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? AppTheme.statusGreen
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: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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),
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),
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// Quality chips
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if (!_showResult && !_isVerifying) ...[
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const SizedBox(height: 10),
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Wrap(
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spacing: 6,
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runSpacing: 6,
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alignment: WrapAlignment.center,
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children: [
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_buildChip(Icons.face, 'Wajah', _isFaceDetected),
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_buildChip(Icons.straighten, 'Jarak', _isDistanceOk),
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_buildChip(Icons.wb_sunny_outlined, 'Cahaya', _isBrightnessOk),
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_buildChip(Icons.blur_on, 'Bayangan', _isLightingUniform),
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_buildChip(Icons.face, 'Hadap Depan', _isPoseValid),
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],
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),
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],
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],
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),
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),
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if (_showResult)
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Positioned(
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bottom: 120,
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left: 20,
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right: 20,
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child: AnimatedOpacity(
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opacity: _showResult ? 1.0 : 0.0,
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duration: const Duration(milliseconds: 300),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(AppTheme.radiusLg),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 15, sigmaY: 15),
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child: Container(
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padding: const EdgeInsets.all(AppTheme.spacingLg),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.9),
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borderRadius:
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BorderRadius.circular(AppTheme.radiusLg),
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border: Border.all(
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color: Colors.white.withOpacity(0.4)),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 20,
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offset: const Offset(0, 10),
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)
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: _resultColor.withOpacity(0.1),
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shape: BoxShape.circle,
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),
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child: Icon(
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(_statusText == 'APPROVED' || _statusText == 'MATCH')
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? Icons.check_circle
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: (_statusText == 'PENDING' || _statusText == 'MISMATCH')
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? Icons.warning_amber_rounded
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: Icons.cancel,
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color: _resultColor,
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size: 40,
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),
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),
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const SizedBox(height: 12),
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Text(
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(_statusText == 'APPROVED' || _statusText == 'MATCH')
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? "Verifikasi Berhasil"
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: (_statusText == 'PENDING' || _statusText == 'MISMATCH')
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? "Verifikasi Diragukan"
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: "Verifikasi Gagal",
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style: AppTheme.heading3.copyWith(
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color: _resultColor,
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),
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),
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const SizedBox(height: 4),
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if (_confidence != null)
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Container(
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margin: const EdgeInsets.only(top: 8),
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padding: const EdgeInsets.symmetric(
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horizontal: 16, vertical: 8),
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decoration: BoxDecoration(
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color: AppTheme.bgLight,
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borderRadius: BorderRadius.circular(
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AppTheme.radiusMd),
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),
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child: Column(
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children: [
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// Mode video: tampilkan frame ratio
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if (_framesTotal != null) ...[
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Text(
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"Frame Cocok: $_framesApproved/$_framesTotal",
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style: AppTheme.bodyMedium.copyWith(
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color: AppTheme.textSecondary,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 4),
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// Progress bar frames
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ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: LinearProgressIndicator(
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value: _confidence ?? 0,
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backgroundColor: AppTheme.statusRed.withValues(alpha: 0.2),
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valueColor: AlwaysStoppedAnimation<Color>(
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(_confidence ?? 0) >= 0.8
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? AppTheme.statusGreen
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: (_confidence ?? 0) >= 0.5
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? AppTheme.statusYellow
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: AppTheme.statusRed,
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),
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minHeight: 8,
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),
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),
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const SizedBox(height: 4),
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Text(
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"${((_confidence ?? 0) * 100).toStringAsFixed(0)}% frame terverifikasi",
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style: AppTheme.bodySmall.copyWith(
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color: (_confidence ?? 0) >= 0.8
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? AppTheme.statusGreen
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: (_confidence ?? 0) >= 0.5
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? AppTheme.statusYellow
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: AppTheme.statusRed,
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),
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),
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] else ...[
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// Mode foto: tampilkan SVM confidence biasa
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Text(
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"Confidence: ${(_confidence! * 100).toStringAsFixed(1)}%",
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style: AppTheme.bodyMedium.copyWith(
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color: AppTheme.textSecondary,
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fontWeight: FontWeight.w600,
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),
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),
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],
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if (_svmDf != null) ...[
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const SizedBox(height: 4),
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Text(
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"SVM Decision Function: ${_svmDf!.toStringAsFixed(3)}",
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style: AppTheme.bodySmall.copyWith(
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color: AppTheme.textSecondary,
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fontFamily: 'monospace',
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),
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),
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],
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],
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),
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),
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|
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// Prediksi ML
|
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if (_predictedName != null)
|
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Container(
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margin: const EdgeInsets.only(top: 12),
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padding: const EdgeInsets.symmetric(
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horizontal: 16, vertical: 12),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
|
|
const Color(0xFF6366F1).withOpacity(0.08),
|
|
const Color(0xFF8B5CF6).withOpacity(0.08),
|
|
],
|
|
),
|
|
borderRadius: BorderRadius.circular(AppTheme.radiusMd),
|
|
border: Border.all(
|
|
color: const Color(0xFF6366F1).withOpacity(0.25),
|
|
),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
padding: const EdgeInsets.all(6),
|
|
decoration: BoxDecoration(
|
|
color: const Color(0xFF6366F1).withOpacity(0.15),
|
|
shape: BoxShape.circle,
|
|
),
|
|
child: const Icon(
|
|
Icons.psychology_rounded,
|
|
color: Color(0xFF6366F1),
|
|
size: 16,
|
|
),
|
|
),
|
|
const SizedBox(width: 10),
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
'Prediksi ML',
|
|
style: AppTheme.labelMedium.copyWith(
|
|
color: const Color(0xFF6366F1),
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
),
|
|
Text(
|
|
_predictedName!,
|
|
style: AppTheme.bodyMedium.copyWith(
|
|
color: AppTheme.textPrimary,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
|
|
if (_statusText != null)
|
|
Padding(
|
|
padding: const EdgeInsets.only(top: 12),
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 14, vertical: 6),
|
|
decoration: BoxDecoration(
|
|
color: AppTheme.primaryBlue.withOpacity(0.1),
|
|
borderRadius: BorderRadius.circular(
|
|
AppTheme.radiusFull),
|
|
),
|
|
child: Text(
|
|
"Status: $_statusText",
|
|
style: AppTheme.labelMedium.copyWith(
|
|
color: AppTheme.primaryBlue,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
if (_errorMessage != null)
|
|
Padding(
|
|
padding: const EdgeInsets.only(top: 12),
|
|
child: Text(
|
|
_errorMessage!,
|
|
textAlign: TextAlign.center,
|
|
style: AppTheme.bodySmall.copyWith(
|
|
color: AppTheme.statusRed,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
|
|
Positioned(
|
|
bottom: 30,
|
|
left: 20,
|
|
right: 20,
|
|
child: Column(
|
|
children: [
|
|
if (!_showResult && !_isVerifying && !_isRecording)
|
|
SizedBox(
|
|
width: double.infinity,
|
|
child: CustomButton(
|
|
text: "Mulai Pindai & Verifikasi",
|
|
icon: Icons.face_retouching_natural,
|
|
onPressed: _allChecksValid && _isCameraInitialized
|
|
? _recordAndVerify
|
|
: null,
|
|
backgroundColor: _allChecksValid
|
|
? AppTheme.primaryBlue
|
|
: AppTheme.primaryDark.withOpacity(0.5),
|
|
),
|
|
),
|
|
if (_isRecording)
|
|
Column(
|
|
children: [
|
|
const SizedBox(height: 8),
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 20, vertical: 10),
|
|
decoration: BoxDecoration(
|
|
color: AppTheme.primaryBlue.withOpacity(0.8),
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Text(
|
|
'Memindai... $_recordingSecondsLeft detik',
|
|
style: const TextStyle(
|
|
color: Colors.white,
|
|
fontWeight: FontWeight.bold),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
if (_showResult)
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: CustomButton(
|
|
text: "Coba Lagi",
|
|
type: ButtonType.primary,
|
|
onPressed: _resetTest,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildChip(IconData icon, String label, bool isOk) {
|
|
final color = isOk ? AppTheme.statusGreen : Colors.white.withOpacity(0.4);
|
|
return Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
|
|
decoration: BoxDecoration(
|
|
color: color.withOpacity(0.15),
|
|
borderRadius: BorderRadius.circular(16),
|
|
border: Border.all(color: color.withOpacity(0.4)),
|
|
),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Icon(isOk ? Icons.check_circle : icon, color: color, size: 12),
|
|
const SizedBox(width: 4),
|
|
Text(label,
|
|
style: TextStyle(
|
|
color: color, fontSize: 10, fontWeight: FontWeight.w600)),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|