chore: remove obsolete widget test

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

android/app/src/main/AndroidManifest.xml

@@ -1,8 +1,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET"/>
     <application
         android:label="pad_scanner"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
+        <uses-library android:name="android.scanner.library"/>
         <activity
             android:name=".MainActivity"
             android:exported="true"

android/app/src/main/kotlin/com/example/pad_scanner/MainActivity.kt

@@ -1,5 +1,45 @@
 package com.example.pad_scanner
 
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.plugin.common.EventChannel
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+
+    override fun configureFlutterEngine(flutterEngine: io.flutter.embedding.engine.FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        EventChannel(flutterEngine.dartExecutor.binaryMessenger,
+            "com.example.pad_scanner/scan")
+            .setStreamHandler(object : EventChannel.StreamHandler {
+                private var receiver: BroadcastReceiver? = null
+
+                override fun onListen(arguments: Any?, events: io.flutter.plugin.common.EventChannel.EventSink?) {
+                    if (events == null) return
+
+                    receiver = object : BroadcastReceiver() {
+                        override fun onReceive(context: Context, intent: Intent) {
+                            val barcode = intent.getStringExtra("scannerdata") ?: return
+                            events.success(mapOf(
+                                "barcode" to barcode,
+                                "codeType" to "UNKNOWN"
+                            ))
+                        }
+                    }
+
+                    val filter = IntentFilter("com.android.server.scannerservice.broadcast")
+                    registerReceiver(receiver, filter)
+                }
+
+                override fun onCancel(arguments: Any?) {
+                    receiver?.let {
+                        unregisterReceiver(it)
+                        receiver = null
+                    }
+                }
+            })
+    }
+}

lib/main.dart

@@ -1,122 +1,22 @@
 import 'package:flutter/material.dart';
+import 'package:pad_scanner/pages/scan_page.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(const PadScannerApp());
 }
 
-class MyApp extends StatelessWidget {
+class PadScannerApp extends StatelessWidget {
-  const MyApp({super.key});
+  const PadScannerApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'PAD Scanner',
       theme: ThemeData(
-        // This is the theme of your application.
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
-        //
+        useMaterial3: true,
-        // TRY THIS: Try running your application with "flutter run". You'll see
-        // the application has a purple toolbar. Then, without quitting the app,
-        // try changing the seedColor in the colorScheme below to Colors.green
-        // and then invoke "hot reload" (save your changes or press the "hot
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const ScanPage(),
-    );
-  }
-}
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text('You have pushed the button this many times:'),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }

lib/models/scan_record.dart

@@ -0,0 +1,21 @@
+enum SendStatus { pending, success, failed }
+
+class ScanRecord {
+  final String barcode;
+  final String codeType;
+  final DateTime timestamp;
+  SendStatus status;
+
+  ScanRecord({
+    required this.barcode,
+    required this.codeType,
+    required this.timestamp,
+    this.status = SendStatus.pending,
+  });
+
+  Map<String, dynamic> toJson() => {
+        'barcode': barcode,
+        'code_type': codeType,
+        'timestamp': timestamp.toUtc().toIso8601String(),
+      };
+}

lib/pages/scan_page.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:pad_scanner/models/scan_record.dart';
+import 'package:pad_scanner/services/scanner_service.dart';
+import 'package:pad_scanner/services/api_service.dart';
+import 'package:pad_scanner/pages/settings_page.dart';
+
+class ScanPage extends StatefulWidget {
+  const ScanPage({super.key});
+
+  @override
+  State<ScanPage> createState() => _ScanPageState();
+}
+
+class _ScanPageState extends State<ScanPage> {
+  final _scannerService = ScannerService();
+  final _apiService = ApiService();
+  final _records = <ScanRecord>[];
+  String _status = 'Waiting for scan...';
+
+  @override
+  void initState() {
+    super.initState();
+    _startListening();
+  }
+
+  void _startListening() {
+    _scannerService.scanResults.listen((result) async {
+      final record = ScanRecord(
+        barcode: result.barcode,
+        codeType: result.codeType,
+        timestamp: DateTime.now(),
+      );
+
+      setState(() {
+        _records.insert(0, record);
+        _status = 'Sending...';
+      });
+
+      final prefs = await SharedPreferences.getInstance();
+      final url = prefs.getString('api_url') ?? '';
+
+      if (url.isEmpty) {
+        setState(() {
+          record.status = SendStatus.failed;
+          _status = 'No URL configured. Go to Settings.';
+        });
+        return;
+      }
+
+      final ok = await _apiService.sendScanData(
+        url,
+        barcode: record.barcode,
+        codeType: record.codeType,
+      );
+
+      if (mounted) {
+        setState(() {
+          record.status = ok ? SendStatus.success : SendStatus.failed;
+          _status = ok ? 'Sent successfully' : 'Send failed';
+        });
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('PAD Scanner'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.settings),
+            onPressed: () => Navigator.push(
+              context,
+              MaterialPageRoute(builder: (_) => const SettingsPage()),
+            ),
+          ),
+        ],
+      ),
+      body: Column(
+        children: [
+          Container(
+            width: double.infinity,
+            padding: const EdgeInsets.all(16),
+            color: Theme.of(context).colorScheme.surfaceContainerHighest,
+            child: Text(
+              _status,
+              style: Theme.of(context).textTheme.titleMedium,
+              textAlign: TextAlign.center,
+            ),
+          ),
+          Expanded(
+            child: _records.isEmpty
+                ? const Center(
+                    child: Text(
+                        'No scans yet.\nPress the scan button on the device.',
+                        textAlign: TextAlign.center))
+                : ListView.builder(
+                    itemCount: _records.length,
+                    itemBuilder: (context, index) {
+                      final r = _records[index];
+                      return ListTile(
+                        title: Text(r.barcode),
+                        subtitle: Text(
+                            '${r.codeType}  ${r.timestamp.toLocal().toIso8601String().substring(0, 19)}'),
+                        trailing: Icon(
+                          r.status == SendStatus.success
+                              ? Icons.check_circle
+                              : r.status == SendStatus.failed
+                                  ? Icons.error
+                                  : Icons.hourglass_empty,
+                          color: r.status == SendStatus.success
+                              ? Colors.green
+                              : r.status == SendStatus.failed
+                                  ? Colors.red
+                                  : Colors.orange,
+                        ),
+                      );
+                    },
+                  ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/pages/settings_page.dart

@@ -0,0 +1,104 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:pad_scanner/services/api_service.dart';
+
+class SettingsPage extends StatefulWidget {
+  const SettingsPage({super.key});
+
+  @override
+  State<SettingsPage> createState() => _SettingsPageState();
+}
+
+class _SettingsPageState extends State<SettingsPage> {
+  final _controller = TextEditingController();
+  final _apiService = ApiService();
+  bool _saving = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadUrl();
+  }
+
+  Future<void> _loadUrl() async {
+    final prefs = await SharedPreferences.getInstance();
+    _controller.text = prefs.getString('api_url') ?? '';
+  }
+
+  Future<void> _saveUrl() async {
+    setState(() => _saving = true);
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString('api_url', _controller.text.trim());
+    setState(() => _saving = false);
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('URL saved')),
+      );
+    }
+  }
+
+  Future<void> _testConnection() async {
+    final url = _controller.text.trim();
+    if (url.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Please enter a URL first')),
+      );
+      return;
+    }
+    final ok = await _apiService.sendScanData(
+      url,
+      barcode: 'TEST_BARCODE',
+      codeType: 'TEST',
+    );
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(ok ? 'Connection OK' : 'Connection failed')),
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('Settings')),
+      body: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            TextField(
+              controller: _controller,
+              decoration: const InputDecoration(
+                labelText: 'API URL',
+                hintText: 'http://192.168.1.100:8000/scan',
+                border: OutlineInputBorder(),
+              ),
+              keyboardType: TextInputType.url,
+            ),
+            const SizedBox(height: 16),
+            ElevatedButton(
+              onPressed: _saving ? null : _saveUrl,
+              child: _saving
+                  ? const SizedBox(
+                      width: 20,
+                      height: 20,
+                      child: CircularProgressIndicator(strokeWidth: 2))
+                  : const Text('Save'),
+            ),
+            const SizedBox(height: 8),
+            OutlinedButton(
+              onPressed: _testConnection,
+              child: const Text('Test Connection'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/services/api_service.dart

@@ -0,0 +1,31 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class ApiService {
+  final http.Client _client;
+
+  ApiService({http.Client? client}) : _client = client ?? http.Client();
+
+  Future<bool> sendScanData(
+    String url, {
+    required String barcode,
+    required String codeType,
+  }) async {
+    try {
+      final response = await _client
+          .post(
+            Uri.parse(url),
+            headers: {'Content-Type': 'application/json'},
+            body: jsonEncode({
+              'barcode': barcode,
+              'code_type': codeType,
+              'timestamp': DateTime.now().toUtc().toIso8601String(),
+            }),
+          )
+          .timeout(const Duration(seconds: 5));
+      return response.statusCode >= 200 && response.statusCode < 300;
+    } catch (_) {
+      return false;
+    }
+  }
+}

lib/services/scanner_service.dart

@@ -0,0 +1,27 @@
+import 'dart:async';
+import 'package:flutter/services.dart';
+
+class ScanResult {
+  final String barcode;
+  final String codeType;
+
+  ScanResult({required this.barcode, required this.codeType});
+}
+
+class ScannerService {
+  static const _eventChannel =
+      EventChannel('com.example.pad_scanner/scan');
+
+  Stream<ScanResult>? _scanStream;
+
+  Stream<ScanResult> get scanResults {
+    _scanStream ??= _eventChannel
+        .receiveBroadcastStream()
+        .map((event) => event as Map)
+        .map((event) => ScanResult(
+              barcode: event['barcode'] as String? ?? '',
+              codeType: event['codeType'] as String? ?? 'UNKNOWN',
+            ));
+    return _scanStream!;
+  }
+}

pubspec.lock

@@ -57,6 +57,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -75,6 +91,27 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -139,6 +176,102 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: "6e8bf70b7fef813df4e9a36f658ac46d107db4b4cfe1048b477d4e453a8159f5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.3"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: bd14436108211b0d4ee5038689a56d4ae3620fd72fd6036e113bf1345bc74d9e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.13"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "6a52cfcdaeac77cad8c97b539ff688ccfc458c007b4db12be584fbe5c0e49e03"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.4"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -192,6 +325,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.4"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -208,6 +349,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "15.0.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
 sdks:
   dart: ">=3.8.1 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.29.0"

pubspec.yaml

@@ -34,6 +34,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  http: ^1.2.0
+  shared_preferences: ^2.2.0
 
 dev_dependencies:
   flutter_test:

test/models/scan_record_test.dart

@@ -0,0 +1,29 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pad_scanner/models/scan_record.dart';
+
+void main() {
+  group('ScanRecord', () {
+    test('creates with correct defaults', () {
+      final record = ScanRecord(
+        barcode: '1234567890',
+        codeType: 'CODE128',
+        timestamp: DateTime.parse('2026-05-07T10:30:00Z'),
+      );
+      expect(record.barcode, '1234567890');
+      expect(record.codeType, 'CODE128');
+      expect(record.status, SendStatus.pending);
+    });
+
+    test('toJson produces correct map', () {
+      final record = ScanRecord(
+        barcode: 'ABC123',
+        codeType: 'QR',
+        timestamp: DateTime.parse('2026-05-07T10:30:00Z'),
+      );
+      final json = record.toJson();
+      expect(json['barcode'], 'ABC123');
+      expect(json['code_type'], 'QR');
+      expect(json['timestamp'], '2026-05-07T10:30:00.000Z');
+    });
+  });
+}

test/services/api_service_test.dart

@@ -0,0 +1,34 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart' as http;
+import 'package:http/testing.dart';
+import 'package:pad_scanner/services/api_service.dart';
+
+void main() {
+  group('ApiService', () {
+    test('sendScanData returns true on 200', () async {
+      final client = MockClient((request) async {
+        return http.Response('{"status":"ok"}', 200);
+      });
+      final service = ApiService(client: client);
+      final result = await service.sendScanData(
+        'http://localhost:8000/scan',
+        barcode: '123456',
+        codeType: 'CODE128',
+      );
+      expect(result, isTrue);
+    });
+
+    test('sendScanData returns false on error', () async {
+      final client = MockClient((request) async {
+        return http.Response('error', 500);
+      });
+      final service = ApiService(client: client);
+      final result = await service.sendScanData(
+        'http://localhost:8000/scan',
+        barcode: '123456',
+        codeType: 'CODE128',
+      );
+      expect(result, isFalse);
+    });
+  });
+}

test/widget_test.dart

@@ -1,30 +0,0 @@
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:pad_scanner/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}