91f25e0cef
- Custom Material 3 theme with Hot Wheels branding (orange/red gradient, navy accents) - Locally bundled Poppins font (Regular, Medium, SemiBold, Bold) - Redesigned login screen with full-bleed background image and frosted glass form - Bottom navigation shell: My Garage / Scan / Profile tabs - My Garage screen with grid view, search, stats, detail bottom sheet - Edit and delete car details from the detail sheet - Skip button for quick-add with minimal info - Camera photo upload to Supabase Storage (UUID-based unguessable paths) - Change/add photo from car detail view - Profile screen with change password, about dialog, sign out - Scan tab with camera scanner and manual entry - Styled scanner screen with crosshair overlay and gradient buttons - Custom app icon with transparent background and adaptive icon support - Native splash screen with brand colors - Auto-refresh garage on tab switch
353 lines
12 KiB
Dart
353 lines
12 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:camera/camera.dart';
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import 'package:google_mlkit_text_recognition/google_mlkit_text_recognition.dart';
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import 'theme/app_colors.dart';
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/// Screen that uses the camera to scan text (OCR) from a Hot Wheels package
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/// and extract the hw_id (e.g. "JKF21").
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///
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/// The detected ID is returned via Navigator.pop(context, hwId).
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class ScannerScreen extends StatefulWidget {
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const ScannerScreen({super.key});
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@override
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State<ScannerScreen> createState() => _ScannerScreenState();
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}
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class _ScannerScreenState extends State<ScannerScreen> {
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CameraController? _cameraController;
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late final TextRecognizer _textRecognizer;
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bool _isBusy = false;
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bool _cameraReady = false;
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String? _lastDetected;
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// Matches typical Hot Wheels model IDs: 2–5 uppercase letters followed by
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// 2–4 digits, e.g. JKF21, HCV73, GRX33, FYD83.
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final _hwIdPattern = RegExp(r'\b([A-Z]{2,5}\d{2,4})\b');
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@override
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void initState() {
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super.initState();
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_textRecognizer = TextRecognizer();
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_initCamera();
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}
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Future<void> _initCamera() async {
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final cameras = await availableCameras();
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if (cameras.isEmpty) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('No camera available')),
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);
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return;
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}
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// Use the first back-facing camera.
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final backCamera = cameras.firstWhere(
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(c) => c.lensDirection == CameraLensDirection.back,
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orElse: () => cameras.first,
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);
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_cameraController = CameraController(
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backCamera,
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ResolutionPreset.high,
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enableAudio: false,
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);
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await _cameraController!.initialize();
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if (!mounted) return;
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setState(() => _cameraReady = true);
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}
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/// Capture a photo, run OCR, and look for a Hot Wheels ID.
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Future<void> _captureAndScan() async {
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if (_isBusy || _cameraController == null || !_cameraController!.value.isInitialized) return;
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setState(() => _isBusy = true);
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try {
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final xFile = await _cameraController!.takePicture();
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final inputImage = InputImage.fromFilePath(xFile.path);
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final recognized = await _textRecognizer.processImage(inputImage);
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// Search all recognized text blocks for something matching the HW ID pattern.
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String? found;
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for (final block in recognized.blocks) {
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for (final line in block.lines) {
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final match = _hwIdPattern.firstMatch(line.text.toUpperCase());
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if (match != null) {
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found = match.group(1);
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break;
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}
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}
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if (found != null) break;
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}
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// Clean up the temp image.
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try {
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await File(xFile.path).delete();
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} catch (_) {}
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if (!mounted) return;
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if (found != null) {
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setState(() => _lastDetected = found);
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} else {
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// Show all detected text so user knows what was seen.
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final allText = recognized.blocks.map((b) => b.text).join('\n');
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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allText.isEmpty
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? 'No text detected — try again closer.'
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: 'No HW ID found. Detected:\n$allText',
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),
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duration: const Duration(seconds: 4),
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Scan error: $e'), backgroundColor: Colors.red),
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);
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} finally {
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if (mounted) setState(() => _isBusy = false);
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}
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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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_textRecognizer.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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extendBodyBehindAppBar: true,
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appBar: AppBar(
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title: const Text(
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'Scan HW ID',
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style: TextStyle(color: Colors.white, fontWeight: FontWeight.w600),
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),
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backgroundColor: Colors.black38,
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iconTheme: const IconThemeData(color: Colors.white),
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),
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body: Column(
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children: [
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// ── Camera preview ──
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Expanded(
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child: _cameraReady
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? Stack(
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fit: StackFit.expand,
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children: [
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ClipRect(
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child: 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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height: _cameraController!.value.previewSize!.width,
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child: CameraPreview(_cameraController!),
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),
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),
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),
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),
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// Scan overlay / crosshair
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Center(
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child: Container(
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width: 240,
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height: 100,
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decoration: BoxDecoration(
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border: Border.all(
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color: AppColors.orange.withValues(alpha: 0.8),
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width: 2.5,
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),
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borderRadius: BorderRadius.circular(16),
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),
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child: Center(
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child: Text(
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'Align ID here',
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style: TextStyle(
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color: Colors.white.withValues(alpha: 0.7),
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fontSize: 13,
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fontWeight: FontWeight.w500,
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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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: const Center(child: CircularProgressIndicator()),
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),
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// ── Detected ID confirmation area ──
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if (_lastDetected != null)
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Container(
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width: double.infinity,
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decoration: BoxDecoration(
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color: AppColors.success.withValues(alpha: 0.1),
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border: Border(
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top: BorderSide(
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color: AppColors.success.withValues(alpha: 0.4),
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width: 1.5,
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),
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),
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),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(6),
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decoration: BoxDecoration(
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color: AppColors.success.withValues(alpha: 0.15),
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shape: BoxShape.circle,
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),
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child: const Icon(Icons.check, color: AppColors.success, size: 20),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text('Detected', style: TextStyle(fontSize: 12, color: AppColors.textSecondary)),
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Text(
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_lastDetected!,
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style: const TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w700,
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letterSpacing: 1.5,
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color: AppColors.success,
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),
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),
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],
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),
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),
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ElevatedButton(
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onPressed: () => Navigator.of(context).pop(_lastDetected),
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child: const Text('Use This'),
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),
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],
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),
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),
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// ── Bottom controls ──
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SafeArea(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Row(
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children: [
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Expanded(
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child: OutlinedButton.icon(
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icon: const Icon(Icons.keyboard),
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label: const Text('Manual'),
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onPressed: () => _showManualEntry(context),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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flex: 2,
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child: SizedBox(
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height: 50,
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child: DecoratedBox(
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decoration: BoxDecoration(
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gradient: _isBusy ? null : AppColors.brandGradient,
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borderRadius: BorderRadius.circular(50),
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),
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child: ElevatedButton.icon(
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icon: _isBusy
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? const SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2.5, color: Colors.white),
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)
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: const Icon(Icons.camera_alt, color: Colors.white),
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label: Text(
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_isBusy ? 'Scanning…' : 'Capture & Scan',
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style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w600),
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),
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onPressed: _isBusy ? null : _captureAndScan,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.transparent,
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shadowColor: Colors.transparent,
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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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),
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),
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],
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),
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);
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}
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/// Fallback: let the user type the HW ID manually.
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Future<void> _showManualEntry(BuildContext context) async {
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final result = await showDialog<String>(
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context: context,
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builder: (_) => const _ManualEntryDialog(),
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);
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if (result != null && context.mounted) {
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Navigator.of(context).pop(result);
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}
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}
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}
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// ── Manual Entry Dialog ───────────────────────────────────────────────
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class _ManualEntryDialog extends StatefulWidget {
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const _ManualEntryDialog();
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@override
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State<_ManualEntryDialog> createState() => _ManualEntryDialogState();
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}
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class _ManualEntryDialogState extends State<_ManualEntryDialog> {
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final _controller = TextEditingController();
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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void _submit() {
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final value = _controller.text.trim().toUpperCase();
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if (value.isNotEmpty) Navigator.of(context).pop(value);
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}
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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title: const Text('Enter HW ID'),
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content: TextField(
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controller: _controller,
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autofocus: true,
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textCapitalization: TextCapitalization.characters,
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decoration: const InputDecoration(
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hintText: 'e.g. JKF21',
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),
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onSubmitted: (_) => _submit(),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: const Text('Cancel'),
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),
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ElevatedButton(
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onPressed: _submit,
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child: const Text('OK'),
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),
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],
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);
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}
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}
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