first commit

2026-01-17 12:54:01 +05:30 · 2026-01-17 12:54:01 +05:30 · 3132b7e8cd
commit 3132b7e8cd
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--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,45 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
--- a/.metadata
+++ b/.metadata
@ -0,0 +1,45 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "b25305a8832cfc6ba632a7f87ad455e319dccce8"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: android
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: ios
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: linux
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: macos
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: web
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+    - platform: windows
+      create_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+      base_revision: b25305a8832cfc6ba632a7f87ad455e319dccce8
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'
--- a/15
+++ b/15
@ -0,0 +1,15 @@
+PROPRIETARY AND CONFIDENTIAL - FOR POC USE ONLY
+
+Copyright (c) 2026 The finger_scanner Authors
+
+NOTICE: This software is provided solely as a Proof of Concept (POC). 
+
+1. LIMITED USE: This software and its source code are for internal evaluation and POC purposes only. It is not intended for official, commercial, or production use.
+
+2. NON-DISTRIBUTION: This software, its source code, and any parts thereof may not be distributed, published, shared, or otherwise made available to any third party in any form (electronic, physical, or otherwise).
+
+3. RESTRICTION ON DERIVATIVES: No parts of this code, logic, or implementation may be extracted, copied, or used in other projects or official applications without express written permission from the copyright holders.
+
+4. NO WARRANTY: THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY ARISING FROM THE USE OF THIS POC.
+
+All rights reserved.
--- a/MODIFICATION_DESIGN.md
+++ b/MODIFICATION_DESIGN.md
@ -0,0 +1,76 @@
+# Modification Design Document: Camera Stream & Isolate Processing
+
+## Overview
+The goal is to enhance the `FingerScanner` app to perform real-time biometric quality analysis. We will implement an `ImageStream` from the camera, send frames to a background `Isolate` for processing (Sharpness, Luminance, ROI checks), and update the UI with a guide overlay that changes color based on the quality status.
+
+## Analysis of the Goal
+*   **Real-time Feedback**: Users need to know if their finger is placed correctly and if the image quality is sufficient for capture.
+*   **Performance**: Image processing is CPU-intensive. Doing it on the main thread will cause UI jank. Offloading to an `Isolate` is necessary.
+*   **Throttling**: Processing every single frame from the camera (30fps+) is unnecessary and wasteful. We will throttle processing to 5-10fps.
+*   **Visual Guide**: A `CustomPainter` is required to draw a dynamic rectangle that responds to the analysis results.
+
+## Alternatives Considered
+*   **Compute Function**: While simpler, `compute` spawns a new isolate for each call. For a continuous stream, a long-lived `Isolate` with a message passing mechanism is more efficient.
+*   **Main Thread Processing**: Rejected due to performance concerns.
+*   **Native Code (JNI/FFI) directly**: While `opencv_dart` uses FFI, managing the thread manually in C++ is more complex than using Dart Isolates for this prototype.
+
+## Detailed Design
+
+### 1. Data Layer
+*   **`CameraDataSourceImpl`**:
+    *   Add `startImageStream(Function(CameraImage) onImage)` method.
+    *   Add `stopImageStream()` method.
+    *   The stream will be managed by the Repository/Provider, which will handle throttling.
+
+### 2. Domain Layer
+*   **`QualityStatus` Entity**:
+    *   `double blurScore`
+    *   `int brightness`
+    *   `bool isCentered`
+    *   `bool canCapture` (derived from the above)
+*   **`ScanFingerprint` UseCase**:
+    *   This might need adjustment, or we introduce a new UseCase `MonitorFingerQuality` that returns a `Stream<QualityStatus>`. Given the requirement, we'll likely keep the logic in the `Notifier` or a dedicated Service to manage the Isolate.
+
+### 3. Isolate Logic (`ImageProcessor`)
+*   **Input**: `CameraImage` (converted to a transferable format if needed, or raw bytes).
+*   **Processing**:
+    *   **Convert**: YUV/BGRA -> Grayscale `Mat` (using `opencv_dart`).
+    *   **Sharpness**: `cv.Laplacian` -> variance.
+    *   **Luminance**: `cv.mean`.
+    *   **ROI**: Crop center -> check pixel density/histogram (simplified segmentation).
+*   **Output**: `QualityStatus` object sent back to the main thread.
+*   **Throttling**: The main thread will control the rate of sending images to the Isolate, or the Isolate can internally throttle. Sending from main thread is easier to control.
+
+### 4. Presentation Layer
+*   **`ScannerNotifier`**:
+    *   Manages the `Isolate`.
+    *   Subscribes to `startImageStream`.
+    *   Throttles frames (e.g., using `DateTime.now()` difference).
+    *   Sends frames to Isolate.
+    *   Updates `state` with the latest `QualityStatus`.
+*   **`ScannerState`**:
+    *   Add `QualityStatus? qualityStatus`.
+*   **`CameraPreviewWidget`**:
+    *   Replace the static Container overlay with a `CustomPaint` widget.
+    *   **`FingerprintGuidePainter`**: Draws a rectangle with color based on `qualityStatus.canCapture` (Red vs Green).
+
+### 5. Dependency Updates
+*   Add `opencv_dart` to `pubspec.yaml`.
+
+## Diagrams
+
+### Architecture Flow
+```mermaid
+graph TD
+    CameraStream[Camera Stream] -->|Raw Frames| Notifier[ScannerNotifier]
+    Notifier -- Throttled (5-10fps) --> Isolate[Background Isolate]
+    Isolate -- opencv_dart --> Analysis[Analysis: Sharpness, Luminance, ROI]
+    Analysis -->|QualityStatus| Notifier
+    Notifier -->|Update State| UI[ScannerScreen]
+    UI -->|CustomPainter| Guide[Visual Overlay]
+```
+
+## References
+*   [Flutter Camera Plugin - ImageStream](https://pub.dev/packages/camera)
+*   [Dart Isolates](https://dart.dev/language/concurrency)
+*   [OpenCV Dart](https://pub.dev/packages/opencv_dart)
--- a/MODIFICATION_IMPLEMENTATION.md
+++ b/MODIFICATION_IMPLEMENTATION.md
@ -0,0 +1,74 @@
+# Modification Implementation Plan: Camera Stream & Isolate Processing
+
+## Phase 1: Preparation & Dependencies
+- [x] Add `opencv_dart` dependency to `pubspec.yaml`.
+- [x] Run `flutter pub get`.
+- [x] Run existing analysis to ensure a clean slate.
+
+## Phase 2: Domain & Isolate Logic
+- [x] Create `lib/domain/entities/quality_status.dart`.
+- [x] Create `lib/core/services/image_processor_isolate.dart`.
+    - [x] Implement the Isolate entry point `spawn`.
+    - [x] Implement the message handling loop.
+    - [x] Implement logic to convert `CameraImage` to `cv.Mat`.
+    - [x] Implement `Laplacian` variance (Sharpness).
+    - [x] Implement `mean` intensity (Luminance).
+    - [x] Implement ROI logic.
+    - [x] Return `QualityStatus`.
+
+## Phase 3: Data Layer Updates
+- [x] Update `lib/data/datasources/camera_datasource.dart`:
+    - [x] Add `startImageStream` method signature and implementation.
+    - [x] Add `stopImageStream` method signature and implementation.
+- [x] Update `lib/domain/repositories/scanner_repository.dart` interface.
+- [x] Update `lib/data/repositories/scanner_repository_impl.dart` implementation.
+
+## Phase 4: Presentation Layer - State Management
+- [x] Update `lib/presentation/providers/scanner_provider.dart`:
+    - [x] Update `ScannerState` to include `QualityStatus`.
+    - [x] Update `ScannerNotifier`:
+        - [x] Initialize and dispose the Isolate.
+        - [x] Implement `startScanning` to listen to camera stream.
+        - [x] Implement throttling logic (5-10 FPS).
+        - [x] Send frames to Isolate and update state with results.
+
+## Phase 5: Presentation Layer - UI
+- [x] Create `lib/presentation/widgets/fingerprint_guide_painter.dart`:
+    - [x] Implement `CustomPainter` to draw the guide rectangle.
+    - [x] Accept color/status as parameters.
+- [x] Update `lib/presentation/widgets/camera_preview_widget.dart`:
+    - [x] Replace static overlay with `CustomPaint` using `FingerprintGuidePainter`.
+    - [x] Connect to `ScannerState` for dynamic color updates.
+- [x] Update `lib/presentation/screens/scanner_screen.dart`:
+    - [x] Update "Capture" button to be enabled/disabled based on `QualityStatus`.
+    - [x] Trigger `startScanning` on ready state.
+
+## Phase 6: Verification & Cleanup
+- [x] Run `dart_fix`.
+- [x] Run `flutter analyze`.
+- [x] Run `dart_format`.
+- [x] Verify functionality (requires physical device for full camera stream test, or mock for logic).
+
+## Phase 7: UI Refinements & Display Configuration
+- [x] Create `lib/presentation/providers/display_config_provider.dart` for managing UI visibility.
+- [x] Create `lib/presentation/widgets/display_config_dialog.dart` for settings.
+- [x] Update `lib/presentation/widgets/camera_preview_widget.dart`:
+    - [x] Fix aspect ratio using `Transform.scale` to fill screen (Live View).
+    - [x] Integrate `DisplayConfig` to toggle guide, quality, and status text.
+- [x] Update `lib/presentation/screens/scanner_screen.dart`:
+    - [x] Add Settings button to AppBar.
+
+## Phase 8: Quality Analysis Tuning
+- [x] Update `lib/core/services/quality_checker.dart`:
+    - [x] Increase `isBigEnough` threshold from 5% to 25% to prevent background objects from validating the position check when the finger is removed.
+
+## Journal
+- Initial plan created.
+- Phase 1 complete: Added `opencv_dart` and verified dependencies.
+- Phase 2 complete: Implemented Isolate logic with `opencv_dart`.
+- Phase 3 complete: Updated Data and Domain layers for streaming.
+- Phase 4 complete: Implemented State Management with Throttled Stream.
+- Phase 5 complete: Implemented UI with CustomPainter and dynamic feedback.
+- Phase 6 complete: Verified and cleaned up.
+- Phase 7 complete: Fixed CameraPreview aspect ratio and added Display Settings dialog.
+- Phase 8 complete: Tuned quality checker to strictly enforce finger presence (25% area coverage).
--- a/README.md
+++ b/README.md
@ -0,0 +1,42 @@
+# FingerScanner
+
+A Flutter biometric capture app demonstrating Clean Architecture and Riverpod.
+
+## Features
+
+- **Camera Preview**: Real-time camera feed using the `camera` package.
+- **Real-time Quality Analysis**: 
+    - **Throttled Stream**: Processes camera frames at ~6-7 FPS.
+    - **Background Isolate**: Offloads heavy image processing to a background thread to keep UI smooth.
+    - **Quality Checks**:
+        - **Sharpness**: Laplacian variance.
+        - **Brightness**: Mean pixel intensity.
+        - **Presence**: ROI standard deviation check.
+- **Dynamic UI Guide**: Visual guide changes color (Red/Green) based on analysis results.
+- **Clean Architecture**: Separation of concerns into Core, Data, Domain, and Presentation layers.
+- **State Management**: Powered by `flutter_riverpod` (Notifier).
+
+## Getting Started
+
+1.  **Install Dependencies**:
+    ```bash
+    flutter pub get
+    ```
+
+2.  **Run on Device**:
+    Connect a physical device (Camera is not supported on iOS Simulator).
+    ```bash
+    flutter run
+    ```
+
+## Permissions
+
+- **iOS**: `NSCameraUsageDescription` and `NSMicrophoneUsageDescription` are added to `Info.plist`.
+- **Android**: `android.permission.CAMERA` is added to `AndroidManifest.xml`.
+
+## Architecture
+
+- **Domain Layer**: Entities (`ScanResult`, `QualityStatus`), Repositories (Interface), UseCases (`ScanFingerprint`).
+- **Data Layer**: DataSources (`CameraDataSource`), Repository Implementation.
+- **Presentation Layer**: Riverpod Providers (`ScannerNotifier`), Screens (`ScannerScreen`), Widgets (`CameraPreviewWidget`, `FingerprintGuidePainter`).
+- **Core**: Services (`ImageProcessorIsolate` using `opencv_dart`).# finger_print
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@ -0,0 +1,28 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at https://dart.dev/lints.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
--- a/android/.gitignore
+++ b/android/.gitignore
@ -0,0 +1,14 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@ -0,0 +1,44 @@
+plugins {
+    id("com.android.application")
+    id("kotlin-android")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.example.finger_scanner"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11.toString()
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.example.finger_scanner"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+}
+
+flutter {
+    source = "../.."
+}
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@ -0,0 +1,46 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.CAMERA" />
+    <application
+        android:label="finger_scanner"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:taskAffinity=""
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
+</manifest>
--- a/android/app/src/main/kotlin/com/example/finger_scanner/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/example/finger_scanner/MainActivity.kt
@ -0,0 +1,5 @@
+package com.example.finger_scanner
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()
--- a/android/app/src/main/res/drawable-v21/launch_background.xml
+++ b/android/app/src/main/res/drawable-v21/launch_background.xml
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
--- a/android/app/src/main/res/drawable/launch_background.xml
+++ b/android/app/src/main/res/drawable/launch_background.xml
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
--- a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/android/app/src/main/res/values-night/styles.xml
+++ b/android/app/src/main/res/values-night/styles.xml
@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
--- a/android/build.gradle.kts
+++ b/android/build.gradle.kts
@ -0,0 +1,21 @@
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+rootProject.layout.buildDirectory.value(newBuildDir)
+
+subprojects {
+    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
+    project.layout.buildDirectory.value(newSubprojectBuildDir)
+}
+subprojects {
+    project.evaluationDependsOn(":app")
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.layout.buildDirectory)
+}
--- a/android/gradle.properties
+++ b/android/gradle.properties
@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+android.useAndroidX=true
+android.enableJetifier=true
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
--- a/android/settings.gradle.kts
+++ b/android/settings.gradle.kts
@ -0,0 +1,25 @@
+pluginManagement {
+    val flutterSdkPath = run {
+        val properties = java.util.Properties()
+        file("local.properties").inputStream().use { properties.load(it) }
+        val flutterSdkPath = properties.getProperty("flutter.sdk")
+        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+        flutterSdkPath
+    }
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+    id("com.android.application") version "8.7.3" apply false
+    id("org.jetbrains.kotlin.android") version "2.1.0" apply false
+}
+
+include(":app")
--- a/ios/.gitignore
+++ b/ios/.gitignore
@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3
--- a/ios/Flutter/AppFrameworkInfo.plist
+++ b/ios/Flutter/AppFrameworkInfo.plist
@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>12.0</string>
+</dict>
+</plist>
--- a/ios/Flutter/Debug.xcconfig
+++ b/ios/Flutter/Debug.xcconfig
@ -0,0 +1 @@
+#include "Generated.xcconfig"
--- a/ios/Flutter/Release.xcconfig
+++ b/ios/Flutter/Release.xcconfig
@ -0,0 +1 @@
+#include "Generated.xcconfig"
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@ -0,0 +1,616 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
+		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
+		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
+		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		331C8085294A63A400263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 97C146E61CF9000F007C117D /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
+		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
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+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
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+		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
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+		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
+		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
+		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
+		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		97C146EB1CF9000F007C117D /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		331C8082294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C807B294A618700263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		9740EEB11CF90186004384FC /* Flutter */ = {
+			isa = PBXGroup;
+			children = (
+				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
+				9740EEB21CF90195004384FC /* Debug.xcconfig */,
+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				9740EEB31CF90195004384FC /* Generated.xcconfig */,
+			);
+			name = Flutter;
+			sourceTree = "<group>";
+		};
+		97C146E51CF9000F007C117D = {
+			isa = PBXGroup;
+			children = (
+				9740EEB11CF90186004384FC /* Flutter */,
+				97C146F01CF9000F007C117D /* Runner */,
+				97C146EF1CF9000F007C117D /* Products */,
+				331C8082294A63A400263BE5 /* RunnerTests */,
+			);
+			sourceTree = "<group>";
+		};
+		97C146EF1CF9000F007C117D /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				97C146EE1CF9000F007C117D /* Runner.app */,
+				331C8081294A63A400263BE5 /* RunnerTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		97C146F01CF9000F007C117D /* Runner */ = {
+			isa = PBXGroup;
+			children = (
+				97C146FA1CF9000F007C117D /* Main.storyboard */,
+				97C146FD1CF9000F007C117D /* Assets.xcassets */,
+				97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */,
+				97C147021CF9000F007C117D /* Info.plist */,
+				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
+				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
+				74858FAE1ED2DC5600515810 /* AppDelegate.swift */,
+				74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */,
+			);
+			path = Runner;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		331C8080294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
+			buildPhases = (
+				331C807D294A63A400263BE5 /* Sources */,
+				331C807F294A63A400263BE5 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				331C8086294A63A400263BE5 /* PBXTargetDependency */,
+			);
+			name = RunnerTests;
+			productName = RunnerTests;
+			productReference = 331C8081294A63A400263BE5 /* RunnerTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
+		97C146ED1CF9000F007C117D /* Runner */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
+			buildPhases = (
+				9740EEB61CF901F6004384FC /* Run Script */,
+				97C146EA1CF9000F007C117D /* Sources */,
+				97C146EB1CF9000F007C117D /* Frameworks */,
+				97C146EC1CF9000F007C117D /* Resources */,
+				9705A1C41CF9048500538489 /* Embed Frameworks */,
+				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = Runner;
+			productName = Runner;
+			productReference = 97C146EE1CF9000F007C117D /* Runner.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		97C146E61CF9000F007C117D /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				BuildIndependentTargetsInParallel = YES;
+				LastUpgradeCheck = 1510;
+				ORGANIZATIONNAME = "";
+				TargetAttributes = {
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+					97C146ED1CF9000F007C117D = {
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+						LastSwiftMigration = 1100;
+					};
+				};
+			};
+			buildConfigurationList = 97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */;
+			compatibilityVersion = "Xcode 9.3";
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+				Base,
+			);
+			mainGroup = 97C146E51CF9000F007C117D;
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+/* End PBXProject section */
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+				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
+				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
+				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
+			);
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+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXShellScriptBuildPhase section */
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+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
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+			);
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+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
+		};
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+/* End PBXShellScriptBuildPhase section */
+
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+			children = (
+				97C147001CF9000F007C117D /* Base */,
+			);
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+		};
+/* End PBXVariantGroup section */
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+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
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+				CLANG_ENABLE_OBJC_ARC = YES;
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+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
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+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
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+				CLANG_WARN_ENUM_CONVERSION = YES;
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+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
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+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
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+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				SUPPORTED_PLATFORMS = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
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+		};
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+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Profile;
+		};
+		331C8088294A63A400263BE5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Debug;
+		};
+		331C8089294A63A400263BE5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Release;
+		};
+		331C808A294A63A400263BE5 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Profile;
+		};
+		97C147031CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
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+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
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+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
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+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
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+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		97C147041CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				SUPPORTED_PLATFORMS = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		97C147061CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Debug;
+		};
+		97C147071CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.fingerScanner;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C8088294A63A400263BE5 /* Debug */,
+				331C8089294A63A400263BE5 /* Release */,
+				331C808A294A63A400263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+				249021D3217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+				249021D4217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}
--- a/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
--- a/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>
--- a/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C8080294A63A400263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
--- a/ios/Runner.xcworkspace/contents.xcworkspacedata
+++ b/ios/Runner.xcworkspace/contents.xcworkspacedata
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>
--- a/ios/Runner/AppDelegate.swift
+++ b/ios/Runner/AppDelegate.swift
@ -0,0 +1,13 @@
+import Flutter
+import UIKit
+
+@main
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
--- a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
+++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
--- a/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
+++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
--- a/ios/Runner/Base.lproj/LaunchScreen.storyboard
+++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard
@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>
--- a/ios/Runner/Base.lproj/Main.storyboard
+++ b/ios/Runner/Base.lproj/Main.storyboard
@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
--- a/ios/Runner/Info.plist
+++ b/ios/Runner/Info.plist
@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Finger Scanner</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>finger_scanner</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
+	<key>NSCameraUsageDescription</key>
+	<string>This app needs camera access to scan fingerprints.</string>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>This app needs microphone access for video recording.</string>
+</dict>
+</plist>
--- a/ios/Runner/Runner-Bridging-Header.h
+++ b/ios/Runner/Runner-Bridging-Header.h
@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"
--- a/ios/RunnerTests/RunnerTests.swift
+++ b/ios/RunnerTests/RunnerTests.swift
@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
--- a/lib/core/errors/failure.dart
+++ b/lib/core/errors/failure.dart
@ -0,0 +1,8 @@
+abstract class Failure {
+  final String message;
+  const Failure(this.message);
+}
+
+class CameraFailure extends Failure {
+  const CameraFailure(super.message);
+}
--- a/lib/core/services/image_analysis_opencv.dart
+++ b/lib/core/services/image_analysis_opencv.dart
@ -0,0 +1,39 @@
+import 'dart:typed_data';
+import 'package:opencv_dart/opencv_dart.dart' as cv;
+import '../../domain/entities/quality_status.dart';
+import 'quality_checker.dart';
+
+class ImageAnalysisService {
+  static QualityStatus analyze({
+    required Uint8List bytes,
+    required int width,
+    required int height,
+  }) {
+    final mat = cv.Mat.fromList(
+      height,
+      width,
+      cv.MatType.CV_8UC1,
+      bytes,
+    );
+
+    final result = QualityChecker.analyze(mat);
+    mat.dispose();
+
+    // Re-calculate flags locally or trust QualityChecker. 
+    // QualityChecker returns QualityResult which has scores.
+    // Logic for flags matches QualityChecker.analyze:
+    final bool isSharp = result.blurScore > 100.0;
+    final bool isLit = result.brightness > 40.0 && result.brightness < 220.0;
+    final bool isPositionValid = result.isPositionValid;
+
+    return QualityStatus(
+      blurScore: result.blurScore,
+      brightness: result.brightness,
+      isCentered: result.isPositionValid,
+      canCapture: result.passed,
+      isFocusGood: isSharp,
+      isLightingGood: isLit,
+      isPositionGood: isPositionValid,
+    );
+  }
+}
--- a/lib/core/services/image_analysis_service.dart
+++ b/lib/core/services/image_analysis_service.dart
@ -0,0 +1,2 @@
+export 'image_analysis_stub.dart'
+    if (dart.library.io) 'image_analysis_opencv.dart';
--- a/lib/core/services/image_analysis_stub.dart
+++ b/lib/core/services/image_analysis_stub.dart
@ -0,0 +1,21 @@
+import 'dart:typed_data';
+import '../../domain/entities/quality_status.dart';
+
+class ImageAnalysisService {
+  static QualityStatus analyze({
+    required Uint8List bytes,
+    required int width,
+    required int height,
+  }) {
+    // Web Mock: Return valid randomish values
+    return const QualityStatus(
+      blurScore: 150.0,
+      brightness: 120.0,
+      isCentered: true,
+      canCapture: true,
+      isFocusGood: true,
+      isLightingGood: true,
+      isPositionGood: true,
+    );
+  }
+}
--- a/lib/core/services/image_processor_isolate.dart
+++ b/lib/core/services/image_processor_isolate.dart
@ -0,0 +1,25 @@
+import 'dart:isolate';
+import '../../domain/entities/processing_request.dart';
+import 'image_analysis_service.dart';
+
+class ImageProcessorIsolate {
+  static Future<void> spawn(SendPort sendPort) async {
+    final ReceivePort receivePort = ReceivePort();
+    sendPort.send(receivePort.sendPort);
+
+    await for (final message in receivePort) {
+      if (message is ProcessingRequest) {
+        try {
+          final result = ImageAnalysisService.analyze(
+            bytes: message.bytes,
+            width: message.width,
+            height: message.height,
+          );
+          message.sendPort?.send(result);
+        } catch (e) {
+          // ignore error
+        }
+      }
+    }
+  }
+}
--- a/lib/core/services/quality_checker.dart
+++ b/lib/core/services/quality_checker.dart
@ -0,0 +1,80 @@
+import 'package:opencv_dart/opencv_dart.dart' as cv;
+import '../../domain/entities/quality_result.dart';
+
+class QualityChecker {
+  
+  static double getBlurScore(cv.Mat mat) {
+    final laplacian = cv.laplacian(mat, cv.MatType.CV_64F);
+    final (_, stddev) = cv.meanStdDev(laplacian);
+    laplacian.dispose();
+    return stddev.val1 * stddev.val1;
+  }
+
+  static double checkIllumination(cv.Mat mat) {
+    final meanScalar = cv.mean(mat);
+    return meanScalar.val1;
+  }
+
+  static bool checkPosition(cv.Mat mat) {
+    final (_, threshMat) = cv.threshold(mat, 0, 255, cv.THRESH_BINARY + cv.THRESH_OTSU);
+    final (contours, hierarchy) = cv.findContours(threshMat, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_SIMPLE);
+    threshMat.dispose();
+    hierarchy.dispose();
+
+    if (contours.isEmpty) return false;
+
+    double maxArea = 0;
+    cv.Rect? maxRect;
+    
+    for (int i = 0; i < contours.length; i++) {
+      final contour = contours[i];
+      final area = cv.contourArea(contour);
+      if (area > maxArea) {
+        maxArea = area;
+        maxRect = cv.boundingRect(contour);
+      }
+    }
+    
+    if (maxRect == null) return false;
+
+    final imgW = mat.cols;
+    final imgH = mat.rows;
+    
+    final guideX = imgW ~/ 4;
+    final guideY = imgH ~/ 4;
+    final guideW = imgW ~/ 2;
+    final guideH = imgH ~/ 2;
+
+    final objCx = maxRect.x + maxRect.width / 2;
+    final objCy = maxRect.y + maxRect.height / 2;
+    
+    final bool isCentered = objCx >= guideX && objCx <= (guideX + guideW) &&
+                            objCy >= guideY && objCy <= (guideY + guideH);
+                            
+    final bool isBigEnough = maxArea > (imgW * imgH * 0.25);
+
+    return isCentered && isBigEnough;
+  }
+
+  static QualityResult analyze(cv.Mat mat) {
+    final blur = getBlurScore(mat);
+    final brightness = checkIllumination(mat);
+    final positionValid = checkPosition(mat);
+
+    final bool isSharp = blur > 100.0;
+    final bool isLit = brightness > 40.0 && brightness < 220.0;
+    
+    final normBlur = (blur / 500.0).clamp(0.0, 1.0);
+    final normBright = 1.0 - ((brightness - 128).abs() / 128.0).clamp(0.0, 1.0);
+    
+    final score = (normBlur * 0.6) + (normBright * 0.4);
+
+    return QualityResult(
+      passed: isSharp && isLit && positionValid,
+      score: score,
+      blurScore: blur,
+      brightness: brightness,
+      isPositionValid: positionValid,
+    );
+  }
+}
--- a/lib/core/usecase/usecase.dart
+++ b/lib/core/usecase/usecase.dart
@ -0,0 +1,5 @@
+abstract class UseCase<Type, Params> {
+  Future<Type> call(Params params);
+}
+
+class NoParams {}
--- a/lib/core/utils/file_helper.dart
+++ b/lib/core/utils/file_helper.dart
@ -0,0 +1,2 @@
+export 'file_helper_stub.dart'
+    if (dart.library.io) 'file_helper_io.dart';
--- a/lib/core/utils/file_helper_io.dart
+++ b/lib/core/utils/file_helper_io.dart
@ -0,0 +1,14 @@
+import 'dart:io';
+import 'package:camera/camera.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart';
+
+class FileHelper {
+  static Future<String> saveCapturedImage(XFile image) async {
+    final directory = await getApplicationDocumentsDirectory();
+    final String fileName = '${DateTime.now().millisecondsSinceEpoch}.jpg';
+    final String path = join(directory.path, fileName);
+    await File(image.path).copy(path);
+    return path;
+  }
+}
--- a/lib/core/utils/file_helper_stub.dart
+++ b/lib/core/utils/file_helper_stub.dart
@ -0,0 +1,7 @@
+import 'package:camera/camera.dart';
+
+class FileHelper {
+  static Future<String> saveCapturedImage(XFile image) async {
+    return image.path;
+  }
+}
--- a/lib/data/datasources/camera_datasource.dart
+++ b/lib/data/datasources/camera_datasource.dart
@ -0,0 +1,107 @@
+import 'package:camera/camera.dart';
+import 'package:flutter/foundation.dart';
+import '../../core/utils/file_helper.dart';
+
+abstract class CameraDataSource {
+  Future<CameraController> getCameraController();
+  Future<String> captureImage(CameraController controller);
+  Future<void> disposeCamera(CameraController controller);
+  Future<void> startImageStream(CameraController controller, Function(CameraImage) onImage);
+  Future<void> stopImageStream(CameraController controller);
+}
+
+class CameraDataSourceImpl implements CameraDataSource {
+  @override
+  Future<CameraController> getCameraController() async {
+    List<CameraDescription> cameras = [];
+    try {
+      cameras = await availableCameras();
+    } catch (e) {
+      debugPrint("availableCameras() failed: $e");
+    }
+    
+    if (cameras.isEmpty) {
+      if (kIsWeb) {
+        debugPrint("No cameras found. Attempting Web Fallback with default configuration.");
+        // Fallback for Web: Create a generic camera description.
+        // This attempts to bypass enumeration issues caused by browser privacy blocks.
+        cameras = [
+          const CameraDescription(
+            name: 'Default Web Camera',
+            lensDirection: CameraLensDirection.external, // Use external/front as default safe bet
+            sensorOrientation: 0,
+          ),
+        ];
+      } else {
+        throw Exception('No cameras available. Please ensure camera permission is granted.');
+      }
+    }
+    
+    // Web-safe image format selection
+    ImageFormatGroup? formatGroup;
+    if (!kIsWeb) {
+      formatGroup = defaultTargetPlatform == TargetPlatform.android 
+          ? ImageFormatGroup.yuv420 
+          : ImageFormatGroup.bgra8888;
+    }
+
+    // Use medium resolution for better Web compatibility
+    // 'low' might be even safer for initial connection
+    final controller = CameraController(
+      cameras.first, 
+      kIsWeb ? ResolutionPreset.medium : ResolutionPreset.high,
+      enableAudio: false,
+      imageFormatGroup: formatGroup,
+    );
+    
+    try {
+      await controller.initialize();
+      return controller;
+    } catch (e) {
+      debugPrint("Controller initialization failed: $e");
+      throw Exception("Failed to start camera: $e");
+    }
+  }
+
+  @override
+  Future<String> captureImage(CameraController controller) async {
+    final image = await controller.takePicture();
+    return await FileHelper.saveCapturedImage(image);
+  }
+
+  @override
+  Future<void> disposeCamera(CameraController controller) async {
+    await controller.dispose();
+  }
+
+  @override
+  Future<void> startImageStream(CameraController controller, Function(CameraImage) onImage) async {
+    // Web: check if streaming is supported to avoid assertion error
+    if (kIsWeb) {
+        try {
+           if (!controller.value.isStreamingImages) {
+             await controller.startImageStream(onImage);
+           }
+        } catch (e) {
+           debugPrint("Web Image Stream failed (expected on some browsers): $e");
+        }
+        return;
+    }
+
+    // Native logic
+    if (!controller.value.isStreamingImages) {
+      await controller.startImageStream(onImage);
+    }
+  }
+
+  @override
+  Future<void> stopImageStream(CameraController controller) async {
+    try {
+      if (controller.value.isStreamingImages) {
+        await controller.stopImageStream();
+      }
+    } catch (e) {
+      // ignore
+    }
+  }
+}
--- a/lib/data/repositories/scanner_repository_impl.dart
+++ b/lib/data/repositories/scanner_repository_impl.dart
@ -0,0 +1,46 @@
+import 'package:camera/camera.dart';
+import '../../domain/entities/scan_result.dart';
+import '../../domain/repositories/scanner_repository.dart';
+import '../datasources/camera_datasource.dart';
+
+class ScannerRepositoryImpl implements ScannerRepository {
+  final CameraDataSource dataSource;
+
+  ScannerRepositoryImpl(this.dataSource);
+
+  @override
+  Future<CameraController> initializeCamera() async {
+    return await dataSource.getCameraController();
+  }
+
+  @override
+  Future<ScanResult> scanFingerprint(CameraController controller) async {
+    // 1. Capture Image
+    final imagePath = await dataSource.captureImage(controller);
+
+    // 2. Placeholder for Real-time Analysis
+    // In a real app, we would process the image here (e.g., OpenCV, ML Kit)
+    // For now, we simulate a delay and return success.
+    // await Future.delayed(const Duration(seconds: 1)); // Simulate processing
+
+    return ScanResult(imagePath: imagePath, timestamp: DateTime.now());
+  }
+
+  @override
+  Future<void> disposeCamera(CameraController controller) async {
+    await dataSource.disposeCamera(controller);
+  }
+
+  @override
+  Future<void> startImageStream(
+    CameraController controller,
+    Function(CameraImage p1) onImage,
+  ) async {
+    await dataSource.startImageStream(controller, onImage);
+  }
+
+  @override
+  Future<void> stopImageStream(CameraController controller) async {
+    await dataSource.stopImageStream(controller);
+  }
+}
--- a/lib/domain/entities/processing_request.dart
+++ b/lib/domain/entities/processing_request.dart
@ -0,0 +1,16 @@
+import 'dart:typed_data';
+import 'dart:isolate';
+
+class ProcessingRequest {
+  final Uint8List bytes;
+  final int width;
+  final int height;
+  final SendPort? sendPort;
+
+  ProcessingRequest({
+    required this.bytes,
+    required this.width,
+    required this.height,
+    this.sendPort,
+  });
+}
--- a/lib/domain/entities/quality_result.dart
+++ b/lib/domain/entities/quality_result.dart
@ -0,0 +1,20 @@
+class QualityResult {
+  final bool passed;
+  final double score;
+  final double blurScore;
+  final double brightness;
+  final bool isPositionValid;
+
+  QualityResult({
+    required this.passed,
+    required this.score,
+    required this.blurScore,
+    required this.brightness,
+    required this.isPositionValid,
+  });
+
+  @override
+  String toString() {
+    return 'QualityResult(passed: $passed, score: ${score.toStringAsFixed(1)}, blur: ${blurScore.toStringAsFixed(1)}, bright: ${brightness.toStringAsFixed(1)}, pos: $isPositionValid)';
+  }
+}
--- a/lib/domain/entities/quality_status.dart
+++ b/lib/domain/entities/quality_status.dart
@ -0,0 +1,26 @@
+class QualityStatus {
+  final double blurScore;
+  final double brightness;
+  final bool isCentered;
+  final bool canCapture; // Overall pass for this frame
+  
+  // Individual pass flags for UI
+  final bool isFocusGood;
+  final bool isLightingGood;
+  final bool isPositionGood;
+
+  const QualityStatus({
+    required this.blurScore,
+    required this.brightness,
+    required this.isCentered,
+    required this.canCapture,
+    this.isFocusGood = false,
+    this.isLightingGood = false,
+    this.isPositionGood = false,
+  });
+
+  @override
+  String toString() {
+    return 'QualityStatus(blur: ${blurScore.toStringAsFixed(2)}, bright: ${brightness.toStringAsFixed(2)}, center: $isCentered, capture: $canCapture)';
+  }
+}
--- a/lib/domain/entities/scan_result.dart
+++ b/lib/domain/entities/scan_result.dart
@ -0,0 +1,6 @@
+class ScanResult {
+  final String imagePath;
+  final DateTime timestamp;
+
+  ScanResult({required this.imagePath, required this.timestamp});
+}
--- a/lib/domain/repositories/scanner_repository.dart
+++ b/lib/domain/repositories/scanner_repository.dart
@ -0,0 +1,13 @@
+import 'package:camera/camera.dart';
+import '../entities/scan_result.dart';
+
+abstract class ScannerRepository {
+  Future<CameraController> initializeCamera();
+  Future<ScanResult> scanFingerprint(CameraController controller);
+  Future<void> disposeCamera(CameraController controller);
+  Future<void> startImageStream(
+    CameraController controller,
+    Function(CameraImage) onImage,
+  );
+  Future<void> stopImageStream(CameraController controller);
+}
--- a/lib/domain/usecases/scan_fingerprint.dart
+++ b/lib/domain/usecases/scan_fingerprint.dart
@ -0,0 +1,15 @@
+import 'package:camera/camera.dart';
+import '../../core/usecase/usecase.dart';
+import '../entities/scan_result.dart';
+import '../repositories/scanner_repository.dart';
+
+class ScanFingerprint implements UseCase<ScanResult, CameraController> {
+  final ScannerRepository repository;
+
+  ScanFingerprint(this.repository);
+
+  @override
+  Future<ScanResult> call(CameraController controller) async {
+    return await repository.scanFingerprint(controller);
+  }
+}
--- a/lib/main.dart
+++ b/lib/main.dart
@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'presentation/screens/scanner_screen.dart';
+
+void main() {
+  WidgetsFlutterBinding.ensureInitialized();
+  runApp(const ProviderScope(child: MyApp()));
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'FingerScanner',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home: const ScannerScreen(),
+      debugShowCheckedModeBanner: false,
+    );
+  }
+}
--- a/lib/presentation/providers/display_config_provider.dart
+++ b/lib/presentation/providers/display_config_provider.dart
@ -0,0 +1,49 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class DisplayConfig {
+  final bool showGuide;
+  final bool showQualityIndicators;
+  final bool showStatusText;
+  final bool showDebugInfo;
+
+  const DisplayConfig({
+    this.showGuide = true,
+    this.showQualityIndicators = true,
+    this.showStatusText = true,
+    this.showDebugInfo = false,
+  });
+
+  DisplayConfig copyWith({
+    bool? showGuide,
+    bool? showQualityIndicators,
+    bool? showStatusText,
+    bool? showDebugInfo,
+  }) {
+    return DisplayConfig(
+      showGuide: showGuide ?? this.showGuide,
+      showQualityIndicators:
+          showQualityIndicators ?? this.showQualityIndicators,
+      showStatusText: showStatusText ?? this.showStatusText,
+      showDebugInfo: showDebugInfo ?? this.showDebugInfo,
+    );
+  }
+}
+
+class DisplayConfigNotifier extends Notifier<DisplayConfig> {
+  @override
+  DisplayConfig build() => const DisplayConfig();
+
+  void toggleGuide() => state = state.copyWith(showGuide: !state.showGuide);
+  void toggleQualityIndicators() => state = state.copyWith(
+    showQualityIndicators: !state.showQualityIndicators,
+  );
+  void toggleStatusText() =>
+      state = state.copyWith(showStatusText: !state.showStatusText);
+  void toggleDebugInfo() =>
+      state = state.copyWith(showDebugInfo: !state.showDebugInfo);
+}
+
+final displayConfigProvider =
+    NotifierProvider<DisplayConfigNotifier, DisplayConfig>(
+      DisplayConfigNotifier.new,
+    );
--- a/lib/presentation/providers/scanner_provider.dart
+++ b/lib/presentation/providers/scanner_provider.dart
@ -0,0 +1,273 @@
+import 'dart:isolate';
+import 'package:camera/camera.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../core/services/image_processor_isolate.dart';
+import '../../core/services/image_analysis_service.dart';
+import '../../data/datasources/camera_datasource.dart';
+import '../../data/repositories/scanner_repository_impl.dart';
+import '../../domain/entities/scan_result.dart';
+import '../../domain/entities/quality_status.dart';
+import '../../domain/entities/processing_request.dart';
+import '../../domain/usecases/scan_fingerprint.dart';
+
+// --- Dependency Injection ---
+
+final cameraDataSourceProvider = Provider<CameraDataSource>((ref) {
+  return CameraDataSourceImpl();
+});
+
+final scannerRepositoryProvider = Provider<ScannerRepositoryImpl>((ref) {
+  return ScannerRepositoryImpl(ref.read(cameraDataSourceProvider));
+});
+
+final scanFingerprintUseCaseProvider = Provider<ScanFingerprint>((ref) {
+  return ScanFingerprint(ref.read(scannerRepositoryProvider));
+});
+
+// --- State ---
+
+abstract class ScannerState {}
+
+class ScannerInitial extends ScannerState {}
+class ScannerInitializing extends ScannerState {}
+class ScannerReady extends ScannerState {
+  final CameraController? controller;
+  final QualityStatus? qualityStatus;
+  final int consecutivePasses;
+  final bool isSimulation;
+  
+  bool get canCapture => consecutivePasses >= 5;
+
+  ScannerReady(this.controller, {
+    this.qualityStatus,
+    this.consecutivePasses = 0,
+    this.isSimulation = false
+  });
+}
+class ScannerScanning extends ScannerState {
+  final CameraController? controller;
+  ScannerScanning(this.controller);
+}
+class ScannerSuccess extends ScannerState {
+  final ScanResult result;
+  final CameraController? controller;
+  ScannerSuccess(this.result, {this.controller});
+}
+class ScannerError extends ScannerState {
+  final String message;
+  final CameraController? controller;
+  ScannerError(this.message, {this.controller});
+}
+
+// --- Notifier ---
+
+class ScannerNotifier extends Notifier<ScannerState> {
+  late final ScannerRepositoryImpl repository;
+  late final ScanFingerprint scanUseCase;
+  
+  Isolate? _isolate;
+  SendPort? _isolateSendPort;
+  ReceivePort? _receivePort;
+  
+  CameraController? _activeController; // Track controller for safe disposal
+
+  DateTime _lastFrameTime = DateTime.fromMillisecondsSinceEpoch(0);
+  static const _throttleDuration = Duration(milliseconds: 150);
+  
+  bool _isMounted = true;
+
+  @override
+  ScannerState build() {
+    repository = ref.read(scannerRepositoryProvider);
+    scanUseCase = ref.read(scanFingerprintUseCaseProvider);
+    
+    _isMounted = true;
+    ref.onDispose(() {
+      _isMounted = false;
+      _stopStreamAndDispose();
+    });
+    return ScannerInitial();
+  }
+
+  void _stopStreamAndDispose() {
+    if (_activeController != null) {
+      repository.stopImageStream(_activeController!).catchError((_) {});
+      _activeController!.dispose();
+      _activeController = null;
+    }
+    
+    _receivePort?.close();
+    _isolate?.kill();
+    _isolate = null;
+    _receivePort = null;
+  }
+
+  Future<void> initialize() async {
+    // Default to initializing camera
+    await tryCamera();
+  }
+
+  Future<void> tryCamera() async {
+    state = ScannerInitializing();
+    
+    // Dispose previous controller if exists
+    if (_activeController != null) {
+      await repository.stopImageStream(_activeController!).catchError((_) {});
+      await _activeController!.dispose();
+      _activeController = null;
+    }
+    
+    try {
+      final controller = await repository.initializeCamera();
+      _activeController = controller;
+      
+      if (!kIsWeb) {
+        _receivePort = ReceivePort();
+        _isolate = await Isolate.spawn(ImageProcessorIsolate.spawn, _receivePort!.sendPort);
+        _receivePort!.listen(_handleIsolateMessage);
+      }
+
+      await repository.startImageStream(controller, (image) => _onFrame(image, controller));
+
+      state = ScannerReady(controller, isSimulation: false);
+    } catch (e) {
+      debugPrint("Camera failed: $e");
+      state = ScannerError("Camera Access Denied or Unavailable. If you are on a mobile browser, ensure you are using HTTPS or have enabled the necessary flags.\n\nError: $e");
+    }
+  }
+
+  void startSimulation() {
+    state = ScannerReady(null, isSimulation: true);
+    if (kIsWeb) _startWebSimulation();
+  }
+
+  void _startWebSimulation() async {
+    while (_isMounted) {
+      final currentState = state;
+      if (currentState is! ScannerReady || !currentState.isSimulation) break;
+
+      await Future.delayed(const Duration(milliseconds: 200));
+      if (!_isMounted) return;
+
+      final result = ImageAnalysisService.analyze(
+        bytes: Uint8List(0),
+        width: 100,
+        height: 100,
+      );
+      _updateQuality(result);
+    }
+  }
+
+  void _handleIsolateMessage(dynamic message) {
+    if (message is SendPort) {
+      _isolateSendPort = message;
+    } else if (message is QualityStatus) {
+      _updateQuality(message);
+    }
+  }
+
+  void _updateQuality(QualityStatus status) {
+    if (!_isMounted) return;
+    
+    final currentState = state;
+    if (currentState is ScannerReady) {
+      int passes = currentState.consecutivePasses;
+      if (status.canCapture) {
+        passes++;
+      } else {
+        passes = 0;
+      }
+      state = ScannerReady(
+        currentState.controller, 
+        qualityStatus: status, 
+        consecutivePasses: passes,
+        isSimulation: currentState.isSimulation
+      );
+    }
+  }
+
+  void _onFrame(CameraImage image, CameraController controller) {
+    if (!_isMounted) return;
+    
+    final now = DateTime.now();
+    if (now.difference(_lastFrameTime) < _throttleDuration) {
+      return;
+    }
+    _lastFrameTime = now;
+
+    if (!controller.value.isInitialized) return;
+
+    final bytes = image.planes[0].bytes;
+    
+    if (kIsWeb) {
+      final result = ImageAnalysisService.analyze(
+        bytes: bytes,
+        width: image.width,
+        height: image.height,
+      );
+      _updateQuality(result);
+    } else {
+      if (_isolateSendPort == null) return;
+      _isolateSendPort!.send(ProcessingRequest(
+        bytes: bytes,
+        width: image.width,
+        height: image.height,
+        sendPort: _receivePort!.sendPort,
+      ));
+    }
+  }
+
+  Future<void> scan() async {
+    final currentState = state;
+    if (currentState is ScannerReady) {
+      if (!currentState.canCapture) return;
+
+      state = ScannerScanning(currentState.controller);
+      
+      try {
+        String imagePath;
+        if (currentState.controller != null) {
+           await repository.stopImageStream(currentState.controller!);
+           final result = await scanUseCase(currentState.controller!);
+           imagePath = result.imagePath;
+        } else {
+           await Future.delayed(const Duration(seconds: 1));
+           imagePath = "simulated_capture.jpg";
+        }
+        
+        if (_isMounted) {
+          state = ScannerSuccess(
+            ScanResult(imagePath: imagePath, timestamp: DateTime.now()), 
+            controller: currentState.controller
+          );
+        }
+      } catch (e) {
+        if (_isMounted) {
+          state = ScannerError(e.toString(), controller: currentState.controller);
+        }
+      }
+    }
+  }
+
+  Future<void> reset() async {
+    final currentState = state;
+    if (currentState is ScannerSuccess) {
+      final controller = currentState.controller;
+      if (controller != null) {
+        try {
+           await repository.startImageStream(controller, (image) => _onFrame(image, controller));
+           state = ScannerReady(controller, isSimulation: false);
+        } catch(e) {
+           tryCamera();
+        }
+      } else {
+        startSimulation();
+      }
+    } else {
+      tryCamera();
+    }
+  }
+}
+
+final scannerProvider = NotifierProvider<ScannerNotifier, ScannerState>(ScannerNotifier.new);
--- a/lib/presentation/screens/scanner_screen.dart
+++ b/lib/presentation/screens/scanner_screen.dart
@ -0,0 +1,204 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../providers/scanner_provider.dart';
+import '../widgets/camera_preview_widget.dart';
+import '../widgets/display_config_dialog.dart';
+import 'dart:io' show File;
+import 'package:flutter/foundation.dart';
+
+class ScannerScreen extends ConsumerStatefulWidget {
+  const ScannerScreen({super.key});
+
+  @override
+  ConsumerState<ScannerScreen> createState() => _ScannerScreenState();
+}
+
+class _ScannerScreenState extends ConsumerState<ScannerScreen> {
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ref.read(scannerProvider.notifier).initialize();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final state = ref.watch(scannerProvider);
+
+    return Scaffold(
+      backgroundColor: Colors.black,
+      appBar: AppBar(
+        title: const Text('FingerScanner'),
+        backgroundColor: Colors.transparent,
+        elevation: 0,
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.settings, color: Colors.white),
+            onPressed: () {
+              showDialog(
+                context: context,
+                builder: (context) => const DisplayConfigDialog(),
+              );
+            },
+            tooltip: "Display Settings",
+          ),
+          if (state is ScannerReady && !state.isSimulation)
+            IconButton(
+              icon: const Icon(Icons.bug_report, color: Colors.white54),
+              onPressed: () =>
+                  ref.read(scannerProvider.notifier).startSimulation(),
+              tooltip: "Switch to Simulation",
+            ),
+        ],
+      ),
+      body: Builder(
+        builder: (context) {
+          if (state is ScannerInitial || state is ScannerInitializing) {
+            return const Center(child: CircularProgressIndicator());
+          } else if (state is ScannerReady) {
+            final canCapture = state.canCapture;
+
+            return Stack(
+              children: [
+                CameraPreviewWidget(
+                  controller: state.controller,
+                  qualityStatus: state.qualityStatus,
+                  consecutivePasses: state.consecutivePasses,
+                  canCapture: canCapture,
+                ),
+                Positioned(
+                  bottom: 30,
+                  left: 0,
+                  right: 0,
+                  child: Center(
+                    child: FloatingActionButton.large(
+                      onPressed: canCapture
+                          ? () => ref.read(scannerProvider.notifier).scan()
+                          : null,
+                      backgroundColor: canCapture
+                          ? Colors.white
+                          : Colors.grey.shade800,
+                      child: Icon(
+                        Icons.camera_alt,
+                        color: canCapture ? Colors.black : Colors.grey,
+                      ),
+                    ),
+                  ),
+                ),
+              ],
+            );
+          } else if (state is ScannerScanning) {
+            return Stack(
+              children: [
+                CameraPreviewWidget(controller: state.controller),
+                Container(
+                  color: Colors.black.withValues(alpha: 0.5),
+                  child: const Center(
+                    child: Column(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        CircularProgressIndicator(color: Colors.greenAccent),
+                        SizedBox(height: 20),
+                        Text(
+                          "Capturing...",
+                          style: TextStyle(color: Colors.white),
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ],
+            );
+          } else if (state is ScannerSuccess) {
+            final isSimulation =
+                state.result.imagePath == "simulated_capture.jpg";
+
+            return Center(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  const Icon(Icons.check_circle, color: Colors.green, size: 80),
+                  const SizedBox(height: 20),
+                  const Text(
+                    "Scan Complete!",
+                    style: TextStyle(color: Colors.white, fontSize: 24),
+                  ),
+                  const SizedBox(height: 10),
+                  Text(
+                    "Saved to: ${state.result.imagePath}",
+                    style: const TextStyle(color: Colors.grey),
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 30),
+                  SizedBox(
+                    height: 200,
+                    child: isSimulation
+                        ? const Icon(Icons.image, size: 100, color: Colors.grey)
+                        : (kIsWeb
+                              ? Image.network(state.result.imagePath)
+                              : Image.file(File(state.result.imagePath))),
+                  ),
+                  const SizedBox(height: 30),
+                  ElevatedButton(
+                    onPressed: () {
+                      ref.read(scannerProvider.notifier).reset();
+                    },
+                    child: const Text("Scan Again"),
+                  ),
+                ],
+              ),
+            );
+          } else if (state is ScannerError) {
+            return Center(
+              child: Padding(
+                padding: const EdgeInsets.all(32.0),
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    const Icon(
+                      Icons.no_photography,
+                      color: Colors.red,
+                      size: 64,
+                    ),
+                    const SizedBox(height: 24),
+                    Text(
+                      state.message,
+                      style: const TextStyle(color: Colors.white, fontSize: 14),
+                      textAlign: TextAlign.center,
+                    ),
+                    const SizedBox(height: 32),
+                    ElevatedButton.icon(
+                      icon: const Icon(Icons.refresh),
+                      label: const Text("Retry Camera"),
+                      onPressed: () =>
+                          ref.read(scannerProvider.notifier).tryCamera(),
+                      style: ElevatedButton.styleFrom(
+                        backgroundColor: Colors.white,
+                        foregroundColor: Colors.black,
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: 24,
+                          vertical: 12,
+                        ),
+                      ),
+                    ),
+                    const SizedBox(height: 16),
+                    TextButton(
+                      onPressed: () =>
+                          ref.read(scannerProvider.notifier).startSimulation(),
+                      child: const Text(
+                        "Run Simulation Mode Instead",
+                        style: TextStyle(color: Colors.white54),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            );
+          }
+          return const SizedBox.shrink();
+        },
+      ),
+    );
+  }
+}
--- a/lib/presentation/widgets/camera_preview_widget.dart
+++ b/lib/presentation/widgets/camera_preview_widget.dart
@ -0,0 +1,200 @@
+import 'package:camera/camera.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../domain/entities/quality_status.dart';
+import '../providers/display_config_provider.dart';
+import 'fingerprint_guide_painter.dart';
+
+class CameraPreviewWidget extends ConsumerWidget {
+  final CameraController? controller;
+  final QualityStatus? qualityStatus;
+  final int consecutivePasses;
+  final bool canCapture;
+
+  const CameraPreviewWidget({
+    super.key,
+    required this.controller,
+    this.qualityStatus,
+    this.consecutivePasses = 0,
+    this.canCapture = false,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final config = ref.watch(displayConfigProvider);
+
+    // If controller is null or not initialized, show Simulation/Placeholder
+    final bool showCamera =
+        controller != null && controller!.value.isInitialized;
+
+    final qs = qualityStatus;
+    final isFocusGood = qs?.isFocusGood ?? false;
+    final isLightingGood = qs?.isLightingGood ?? false;
+    final isPositionGood = qs?.isPositionGood ?? false;
+    final overallGood = qs?.canCapture ?? false;
+
+    return Stack(
+      fit: StackFit.expand,
+      children: [
+        if (showCamera)
+          _buildCoveredCameraPreview(context, controller!)
+        else
+          Container(
+            color: Colors.grey.shade900,
+            child: const Center(
+              child: Text(
+                "Camera Unavailable\n(Simulation Mode)",
+                textAlign: TextAlign.center,
+                style: TextStyle(color: Colors.white54, fontSize: 16),
+              ),
+            ),
+          ),
+
+        // Fingerprint Guide (Painter)
+        if (config.showGuide)
+          CustomPaint(
+            painter: FingerprintGuidePainter(isGoodQuality: overallGood),
+            child: Container(),
+          ),
+
+        // Icon (Center Guide)
+        if (config.showGuide)
+          Center(
+            child: Icon(
+              Icons.fingerprint,
+              color: overallGood
+                  ? Colors.greenAccent
+                  : Colors.white.withValues(alpha: 0.3),
+              size: 100,
+            ),
+          ),
+
+        // Quality Indicators (Top)
+        if (config.showQualityIndicators)
+          Positioned(
+            top: 60,
+            left: 0,
+            right: 0,
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+              children: [
+                _buildStatusIcon(
+                  Icons.center_focus_strong,
+                  "Focus",
+                  isFocusGood,
+                ),
+                _buildStatusIcon(Icons.wb_sunny, "Light", isLightingGood),
+                _buildStatusIcon(Icons.crop_free, "Position", isPositionGood),
+              ],
+            ),
+          ),
+
+        // Status Text (Bottom)
+        if (config.showStatusText)
+          Positioned(
+            bottom: 120, // Above FAB
+            left: 20,
+            right: 20,
+            child: Column(
+              children: [
+                if (overallGood && !canCapture)
+                  Text(
+                    "Hold Steady... $consecutivePasses/5",
+                    style: const TextStyle(
+                      color: Colors.yellowAccent,
+                      fontSize: 20,
+                      fontWeight: FontWeight.bold,
+                      shadows: [Shadow(blurRadius: 4, color: Colors.black)],
+                    ),
+                  )
+                else if (canCapture)
+                  const Text(
+                    "READY TO CAPTURE",
+                    style: TextStyle(
+                      color: Colors.greenAccent,
+                      fontSize: 20,
+                      fontWeight: FontWeight.bold,
+                      shadows: [Shadow(blurRadius: 4, color: Colors.black)],
+                    ),
+                  )
+                else
+                  const Text(
+                    "Adjust Finger",
+                    style: TextStyle(
+                      color: Colors.white,
+                      fontSize: 18,
+                      shadows: [Shadow(blurRadius: 4, color: Colors.black)],
+                    ),
+                  ),
+
+                const SizedBox(height: 8),
+                if (qs != null && config.showDebugInfo)
+                  Text(
+                    "Blur: ${qs.blurScore.toStringAsFixed(0)} | Bright: ${qs.brightness.toStringAsFixed(0)}",
+                    style: const TextStyle(color: Colors.grey, fontSize: 12),
+                  ),
+              ],
+            ),
+          ),
+      ],
+    );
+  }
+
+  Widget _buildCoveredCameraPreview(
+    BuildContext context,
+    CameraController controller,
+  ) {
+    final size = MediaQuery.of(context).size;
+
+    double scale = 1.0;
+    final double screenRatio = size.aspectRatio;
+    final double cameraRatio = controller.value.aspectRatio;
+
+    // Calculate effective camera ratio displayed (swapped if portrait)
+    // We assume if screen is portrait, camera preview is also rendered in portrait mode (1/ratio)
+    // by the CameraPreview widget.
+    final double effectiveCameraRatio = (size.width < size.height)
+        ? (1 / cameraRatio)
+        : cameraRatio;
+
+    if (screenRatio > effectiveCameraRatio) {
+      // Screen is wider than camera preview
+      scale = screenRatio / effectiveCameraRatio;
+    } else {
+      // Screen is taller than camera preview
+      scale = effectiveCameraRatio / screenRatio;
+    }
+
+    return Transform.scale(
+      scale: scale,
+      alignment: Alignment.center,
+      child: Center(child: CameraPreview(controller)),
+    );
+  }
+
+  Widget _buildStatusIcon(IconData icon, String label, bool isGood) {
+    return Column(
+      children: [
+        Container(
+          padding: const EdgeInsets.all(8),
+          decoration: BoxDecoration(
+            color: isGood
+                ? Colors.green.withValues(alpha: 0.8)
+                : Colors.red.withValues(alpha: 0.8),
+            shape: BoxShape.circle,
+          ),
+          child: Icon(icon, color: Colors.white, size: 24),
+        ),
+        const SizedBox(height: 4),
+        Text(
+          label,
+          style: const TextStyle(
+            color: Colors.white,
+            fontSize: 12,
+            shadows: [Shadow(blurRadius: 2, color: Colors.black)],
+          ),
+        ),
+      ],
+    );
+  }
+}
--- a/lib/presentation/widgets/display_config_dialog.dart
+++ b/lib/presentation/widgets/display_config_dialog.dart
@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../providers/display_config_provider.dart';
+
+class DisplayConfigDialog extends ConsumerWidget {
+  const DisplayConfigDialog({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final config = ref.watch(displayConfigProvider);
+    final notifier = ref.read(displayConfigProvider.notifier);
+
+    return AlertDialog(
+      title: const Text('Display Configuration'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          SwitchListTile(
+            title: const Text('Show Guide'),
+            value: config.showGuide,
+            onChanged: (_) => notifier.toggleGuide(),
+          ),
+          SwitchListTile(
+            title: const Text('Show Quality Indicators'),
+            value: config.showQualityIndicators,
+            onChanged: (_) => notifier.toggleQualityIndicators(),
+          ),
+          SwitchListTile(
+            title: const Text('Show Status Text'),
+            value: config.showStatusText,
+            onChanged: (_) => notifier.toggleStatusText(),
+          ),
+          SwitchListTile(
+            title: const Text('Show Debug Info'),
+            value: config.showDebugInfo,
+            onChanged: (_) => notifier.toggleDebugInfo(),
+          ),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Close'),
+        ),
+      ],
+    );
+  }
+}
--- a/lib/presentation/widgets/fingerprint_guide_painter.dart
+++ b/lib/presentation/widgets/fingerprint_guide_painter.dart
@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+
+class FingerprintGuidePainter extends CustomPainter {
+  final bool isGoodQuality;
+
+  FingerprintGuidePainter({required this.isGoodQuality});
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    final paint = Paint()
+      ..color = isGoodQuality ? Colors.greenAccent : Colors.redAccent
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 4.0;
+
+    final width = size.width;
+    final height = size.height;
+
+    // Draw a rounded rectangle in the center
+    final rectWidth = 200.0;
+    final rectHeight = 250.0;
+
+    final rect = RRect.fromRectAndRadius(
+      Rect.fromCenter(
+        center: Offset(width / 2, height / 2),
+        width: rectWidth,
+        height: rectHeight,
+      ),
+      const Radius.circular(20),
+    );
+
+    canvas.drawRRect(rect, paint);
+
+    // Optional: Draw semi-transparent fill
+    final fillPaint = Paint()
+      ..color = (isGoodQuality ? Colors.green : Colors.red).withValues(
+        alpha: 0.1,
+      )
+      ..style = PaintingStyle.fill;
+
+    canvas.drawRRect(rect, fillPaint);
+  }
+
+  @override
+  bool shouldRepaint(covariant FingerprintGuidePainter oldDelegate) {
+    return oldDelegate.isGoodQuality != isGoodQuality;
+  }
+}
--- a/linux/.gitignore
+++ b/linux/.gitignore
@ -0,0 +1 @@
+flutter/ephemeral
--- a/linux/CMakeLists.txt
+++ b/linux/CMakeLists.txt
@ -0,0 +1,128 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.13)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "finger_scanner")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "com.example.finger_scanner")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+  install(FILES "${bundled_library}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
--- a/linux/flutter/CMakeLists.txt
+++ b/linux/flutter/CMakeLists.txt
@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@ -0,0 +1,11 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+}
--- a/linux/flutter/generated_plugin_registrant.h
+++ b/linux/flutter/generated_plugin_registrant.h
@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@ -0,0 +1,24 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  opencv_dart
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)
--- a/linux/runner/CMakeLists.txt
+++ b/linux/runner/CMakeLists.txt
@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.13)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the application ID.
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
--- a/linux/runner/main.cc
+++ b/linux/runner/main.cc
@ -0,0 +1,6 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}
--- a/linux/runner/my_application.cc
+++ b/linux/runner/my_application.cc
@ -0,0 +1,130 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen* screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+      use_header_bar = FALSE;
+    }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "finger_scanner");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  } else {
+    gtk_window_set_title(window, "finger_scanner");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GApplication::startup.
+static void my_application_startup(GApplication* application) {
+  //MyApplication* self = MY_APPLICATION(object);
+
+  // Perform any actions required at application startup.
+
+  G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
+}
+
+// Implements GApplication::shutdown.
+static void my_application_shutdown(GApplication* application) {
+  //MyApplication* self = MY_APPLICATION(object);
+
+  // Perform any actions required at application shutdown.
+
+  G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject* object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_APPLICATION_CLASS(klass)->startup = my_application_startup;
+  G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  // Set the program name to the application ID, which helps various systems
+  // like GTK and desktop environments map this running application to its
+  // corresponding .desktop file. This ensures better integration by allowing
+  // the application to be recognized beyond its binary name.
+  g_set_prgname(APPLICATION_ID);
+
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
+                                     nullptr));
+}
--- a/linux/runner/my_application.h
+++ b/linux/runner/my_application.h
@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_
--- a/Show More
+++ b/Show More