Initial full migration of the project.

Changes to be committed:
    new file:   .gitignore
    new file:   .metadata
    new file:   README.md
    new file:   analysis_options.yaml
    new file:   android/.gitignore
    new file:   android/app/build.gradle
    new file:   android/app/src/debug/AndroidManifest.xml
    new file:   android/app/src/main/AndroidManifest.xml
    new file:   android/app/src/main/kotlin/com/example/ocr/MainActivity.kt
    new file:   android/app/src/main/res/drawable-hdpi/ic_launcher_background.png
    new file:   android/app/src/main/res/drawable-hdpi/ic_launcher_foreground.png
    new file:   android/app/src/main/res/drawable-mdpi/ic_launcher_background.png
    new file:   android/app/src/main/res/drawable-mdpi/ic_launcher_foreground.png
    new file:   android/app/src/main/res/drawable-v21/launch_background.xml
    new file:   android/app/src/main/res/drawable-xhdpi/ic_launcher_background.png
    new file:   android/app/src/main/res/drawable-xhdpi/ic_launcher_foreground.png
    new file:   android/app/src/main/res/drawable-xxhdpi/ic_launcher_background.png
    new file:   android/app/src/main/res/drawable-xxhdpi/ic_launcher_foreground.png
    new file:   android/app/src/main/res/drawable-xxxhdpi/ic_launcher_background.png
    new file:   android/app/src/main/res/drawable-xxxhdpi/ic_launcher_foreground.png
    new file:   android/app/src/main/res/drawable/launch_background.xml
    new file:   android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
    new file:   android/app/src/main/res/mipmap-hdpi/ic_launcher.png
    new file:   android/app/src/main/res/mipmap-mdpi/ic_launcher.png
    new file:   android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
    new file:   android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
    new file:   android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
    new file:   android/app/src/main/res/values-night/styles.xml
    new file:   android/app/src/main/res/values/colors.xml
    new file:   android/app/src/main/res/values/styles.xml
    new file:   android/app/src/profile/AndroidManifest.xml
    new file:   android/build.gradle
    new file:   android/gradle.properties
    new file:   android/gradle/wrapper/gradle-wrapper.properties
    new file:   android/settings.gradle
    new file:   assets/MegaViewLogo.png
    new file:   ios/.gitignore
    new file:   ios/Flutter/AppFrameworkInfo.plist
    new file:   ios/Flutter/Debug.xcconfig
    new file:   ios/Flutter/Release.xcconfig
    new file:   ios/Podfile
    new file:   ios/Podfile.lock
    new file:   ios/Runner.xcodeproj/project.pbxproj
    new file:   ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
    new file:   ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
    new file:   ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
    new file:   ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
    new file:   ios/Runner.xcworkspace/contents.xcworkspacedata
    new file:   ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
    new file:   ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
    new file:   ios/Runner/AppDelegate.swift
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-50x50@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-50x50@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-57x57@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-57x57@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
    new file:   ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
    new file:   ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
    new file:   ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
    new file:   ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
    new file:   ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
    new file:   ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
    new file:   ios/Runner/Base.lproj/LaunchScreen.storyboard
    new file:   ios/Runner/Base.lproj/Main.storyboard
    new file:   ios/Runner/Info.plist
    new file:   ios/Runner/Runner-Bridging-Header.h
    new file:   ios/RunnerTests/RunnerTests.swift
    new file:   lib/main.dart
    new file:   lib/result_screen.dart
    new file:   pubspec.lock
    new file:   pubspec.yaml
    new file:   test/widget_test.dart

2 files changed, 260 insertions, 0 deletions

diff --git a/lib/main.dart b/lib/main.dart
new file mode 100644
index 0000000..6480384
--- /dev/null
+++ b/lib/main.dart
@@ -0,0 +1,241 @@
+import 'dart:io';
+
+import 'package:camera/camera.dart';
+import 'package:flutter/material.dart';
+import 'package:google_mlkit_text_recognition/google_mlkit_text_recognition.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:flutter_tts/flutter_tts.dart';
+import 'package:ocr/result_screen.dart';
+
+void main() {
+  runApp(const App());
+}
+
+class App extends StatelessWidget {
+  const App({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'MegaView Text',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurpleAccent),
+        useMaterial3: true,
+      ),
+      debugShowCheckedModeBanner: false,
+      home: const MainScreen(),
+    );
+  }
+}
+
+class MainScreen extends StatefulWidget {
+  const MainScreen({super.key});
+
+  @override
+  State<MainScreen> createState() => _MainScreenState();
+}
+
+class _MainScreenState extends State<MainScreen> with WidgetsBindingObserver {
+  bool _isPermissionGranted = false;
+
+  late final Future<void> _future;
+  CameraController? _cameraController;
+
+  final textRecognizer = TextRecognizer();
+
+  FlutterTts flutterTts = FlutterTts(); // TTS
+
+  @override
+  void initState() {
+    super.initState();
+    initTTS(); // TTS
+
+    WidgetsBinding.instance.addObserver(this);
+
+    _future = _requestCameraPermission();
+  }
+
+  Future<void> initTTS() async { // TTS
+    await flutterTts.setLanguage("en-US"); // Set the language you want
+    await flutterTts.setSpeechRate(0.5); // Adjust speech rate (1.0 is normal but too fast for my liking)
+    await flutterTts.setVolume(1.0); // Adjust volume (0.0 to 1.0)
+    await flutterTts.setPitch(1.0); // Adjust pitch (1.0 is normal)
+
+    // You can set other configurations as well
+
+    // Check if TTS is available
+    // bool isAvailable = await flutterTts.isLanguageAvailable("en-US");
+    // print("TTS is available: $isAvailable");
+  }
+
+  Future<void> speak(String text) async {
+    await flutterTts.speak(text); // TTS
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    _stopCamera();
+    textRecognizer.close();
+    flutterTts.stop(); // TTS Stop
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (_cameraController == null || !_cameraController!.value.isInitialized) {
+      return;
+    }
+
+    if (state == AppLifecycleState.inactive) {
+      _stopCamera();
+    } else if (state == AppLifecycleState.resumed &&
+        _cameraController != null &&
+        _cameraController!.value.isInitialized) {
+      _startCamera();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder(
+      future: _future,
+      builder: (context, snapshot) {
+        return Stack(
+          children: [
+            if (_isPermissionGranted)
+              FutureBuilder<List<CameraDescription>>(
+                future: availableCameras(),
+                builder: (context, snapshot) {
+                  if (snapshot.hasData) {
+                    _initCameraController(snapshot.data!);
+
+                    return Center(child: CameraPreview(_cameraController!));
+                  } else {
+                    return const LinearProgressIndicator();
+                  }
+                },
+              ),
+            Scaffold(
+              appBar: AppBar(
+                backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+                title: const Text('MegaView Text Recognition'),
+              ),
+              backgroundColor: _isPermissionGranted ? Colors.transparent : null,
+              body: _isPermissionGranted
+                  ? Column(
+                children: [
+                  Expanded(
+                    child: Container(),
+                  ),
+                  Container(
+                    padding: const EdgeInsets.only(bottom: 13.0),
+                    child: Center(
+                      child: ElevatedButton(
+                        onPressed: _scanImage,
+                        child: const Text('Scan text'),
+                      ),
+                    ),
+                  ),
+                ],
+              )
+                  : Center(
+                child: Container(
+                  padding: const EdgeInsets.only(left: 24.0, right: 24.0),
+                  child: const Text(
+                    'Camera permission denied',
+                    textAlign: TextAlign.center,
+                  ),
+                ),
+              ),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  Future<void> _requestCameraPermission() async {
+    final status = await Permission.camera.request();
+    _isPermissionGranted = status == PermissionStatus.granted;
+  }
+
+  void _startCamera() {
+    if (_cameraController != null) {
+      _cameraSelected(_cameraController!.description);
+    }
+  }
+
+  void _stopCamera() {
+    if (_cameraController != null) {
+      _cameraController?.dispose();
+    }
+  }
+
+  void _initCameraController(List<CameraDescription> cameras) {
+    if (_cameraController != null) {
+      return;
+    }
+
+    // Select the first rear camera.
+    CameraDescription? camera;
+    for (var i = 0; i < cameras.length; i++) {
+      final CameraDescription current = cameras[i];
+      if (current.lensDirection == CameraLensDirection.back) {
+        camera = current;
+        break;
+      }
+    }
+
+    if (camera != null) {
+      _cameraSelected(camera);
+    }
+  }
+
+  Future<void> _cameraSelected(CameraDescription camera) async {
+    _cameraController = CameraController(
+      camera,
+      ResolutionPreset.high,
+      enableAudio: false,
+    );
+
+    await _cameraController!.initialize();
+    await _cameraController!.setFlashMode(FlashMode.off);
+
+    if (!mounted) {
+      return;
+    }
+    setState(() {});
+  }
+
+  Future<void> _scanImage() async {
+    if (_cameraController == null) return;
+
+    final navigator = Navigator.of(context);
+
+    try {
+      final pictureFile = await _cameraController!.takePicture();
+
+      final file = File(pictureFile.path);
+
+      final inputImage = InputImage.fromFile(file);
+      final recognizedText = await textRecognizer.processImage(inputImage);
+
+      speak(recognizedText.text);
+
+      await navigator.push(
+        MaterialPageRoute(
+          builder: (BuildContext context) =>
+              ResultScreen(text: recognizedText.text)
+        ),
+      );
+    } catch (e) {
+      // ignore: use_build_context_synchronously
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('An error occurred when scanning text'),
+        ),
+      );
+    }
+  }
+}
\ No newline at end of file
diff --git a/lib/result_screen.dart b/lib/result_screen.dart
new file mode 100644
index 0000000..d5a64ea
--- /dev/null
+++ b/lib/result_screen.dart
@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+class ResultScreen extends StatelessWidget {
+  final String text;
+
+  const ResultScreen({super.key, required this.text});
+
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    appBar: AppBar(
+      //backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+      title: const Text('Result'),
+    ),
+    body: Container(
+      padding: const EdgeInsets.all(30.0),
+      child: Text(text),
+    ),
+  );
+}
\ No newline at end of file