first commit

2026-08-08 08:22:14 -05:00 · 2026-08-08 08:22:14 -05:00 · e630f2a3ec
commit e630f2a3ec
80 changed files with 3889 additions and 0 deletions
--- 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-dependencies
+.pub-cache/
+.pub/
+/build/
+/coverage/
+
+# 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 +1,33 @@
+# 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: "6b182d2c7585eba26d4edce0f97630effd256c33"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+      base_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+    - platform: android
+      create_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+      base_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+    - platform: ios
+      create_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+      base_revision: 6b182d2c7585eba26d4edce0f97630effd256c33
+
+  # 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/README.md
+++ b/README.md
@ -0,0 +1,93 @@
+# Fuel Tax Tracker
+
+A Flutter app (Android + iOS) for logging fuel purchases per vehicle. Snap a
+photo of a gas receipt, it OCRs the gallons/price-per-gallon/total on-device,
+you confirm or correct the numbers, and it's saved alongside the receipt
+photo to a data file in a folder you choose.
+
+## Features
+
+- Manage a list of vehicles (make, model, color, license plate).
+- Capture a fuel receipt photo per vehicle and OCR it on-device with Google
+  ML Kit — no internet connection or API key required.
+- Review/edit the parsed gallons, price per gallon, and total cost before
+  saving (OCR on printed receipts is usually good but not perfect).
+- Per-vehicle fuel log with running gallons total, tap-to-zoom receipt
+  photos, and delete.
+- Settings screen to choose where receipt photos and the data file are
+  stored (defaults to the app's own documents folder; existing data is
+  copied over when you change it).
+
+## Project layout
+
+```
+lib/
+  models/       Vehicle, FuelEntry — plain data classes with JSON (de)serialization
+  services/
+    app_state.dart        In-memory state + CRUD, backed by StorageService, exposed via Provider
+    storage_service.dart  Owns the data.json file + receipts/ folder and the configurable save path
+    ocr_service.dart      Thin wrapper around google_mlkit_text_recognition
+    receipt_parser.dart   Regex-based extraction of gallons/price/total from OCR text
+  screens/      One file per screen (vehicle list, add/edit vehicle, vehicle detail,
+                confirm fuel entry, receipt viewer, settings)
+```
+
+Data is stored as a single `fuel_tax_data.json` file plus a `receipts/`
+subfolder of photos, both inside whatever directory Settings points at.
+
+## Running it
+
+```
+flutter pub get
+flutter run            # with a device/emulator connected or a simulator booted
+```
+
+To build release artifacts:
+
+```
+flutter build apk --release      # Android
+flutter build ios --release      # iOS (requires a full Xcode install + signing setup)
+```
+
+This was scaffolded and verified with Flutter 3.44.9. `flutter analyze` and
+`flutter test` are clean, and `flutter build apk --debug` has been confirmed
+to produce a working APK.
+
+## Permissions
+
+- **Camera**: `NSCameraUsageDescription` (iOS, `ios/Runner/Info.plist`) and
+  `android.permission.CAMERA` (Android, `AndroidManifest.xml`) are already
+  set up for receipt capture.
+- **Storage**: no explicit storage permission is declared. The default save
+  location is inside the app's own sandbox (no permission needed). If you
+  point Settings at a location outside the sandbox, the OS-native folder
+  picker (via `file_picker`) is what grants access — see the caveat below.
+
+## Known caveats / things to revisit
+
+- **`file_picker` is pinned to `10.3.10`**, not the latest release. Versions
+  11.0.0–11.0.3 skip applying the Kotlin Gradle plugin when they detect AGP
+  9+ (assuming AGP's built-in Kotlin support handles it), but that isn't
+  actually wired up for library modules in this Flutter/AGP combination yet,
+  so the plugin's own Kotlin sources never get compiled and the build fails
+  with `cannot find symbol: FilePickerPlugin`. 10.3.11 fixes that but is
+  retracted on pub.dev, hence 10.3.10. Worth revisiting this pin next time
+  you bump dependencies — check the package's CHANGELOG for when this is
+  properly resolved upstream.
+- **iOS folder picking and app restarts**: `file_picker`'s directory picker
+  on iOS uses `UIDocumentPickerViewController`, which hands back a
+  security-scoped URL. This app does not currently persist a security-scoped
+  bookmark for that URL, so if you pick a folder outside the app's own
+  sandbox (e.g. an iCloud Drive folder) on iOS, continued write access after
+  an app restart is not guaranteed. Picking the default in-sandbox location,
+  or a folder on Android, does not have this limitation. If cross-restart
+  external storage on iOS matters for your use case, this needs a proper
+  bookmark implementation (`NSURL` bookmarkData + `startAccessingSecurityScopedResource`).
+- **Receipt parsing is best-effort regex matching** on the OCR'd text
+  (`lib/services/receipt_parser.dart`), tuned against common receipt phrasing
+  ("GALLONS", "PRICE/GAL", "PPG", "TOTAL", etc.). Unusual receipt layouts may
+  parse partially or not at all — the confirm screen always lets you fill in
+  or correct whatever wasn't found.
+- No automated tests exercise the OCR or camera capture path itself (that
+  requires a real device/emulator with a camera); `receipt_parser_test.dart`
+  covers the parsing logic against fixed OCR text.
--- 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 +1,45 @@
+plugins {
+    id("com.android.application")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.courtneyarnold.fuel_tax_tracker"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.courtneyarnold.fuel_tax_tracker"
+        // 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")
+        }
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+    }
+}
+
+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 +1,47 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-feature android:name="android.hardware.camera" android:required="false"/>
+    <application
+        android:label="fuel_tax_tracker"
+        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/courtneyarnold/fuel_tax_tracker/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/courtneyarnold/fuel_tax_tracker/MainActivity.kt
@ -0,0 +1,5 @@
+package com.courtneyarnold.fuel_tax_tracker
+
+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 +1,24 @@
+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 +1,6 @@
+org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+android.useAndroidX=true
+# This newDsl flag was added by the Flutter template
+android.newDsl=false
+# This builtInKotlin flag was added by the Flutter template
+android.builtInKotlin=false
--- 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-9.1.0-all.zip
--- a/android/settings.gradle.kts
+++ b/android/settings.gradle.kts
@ -0,0 +1,26 @@
+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 "9.0.1" apply false
+    id("org.jetbrains.kotlin.android") version "2.3.20" 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 +1,24 @@
+<?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>
+</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 +1,644 @@
+// !$*UTF8*$!
+{
+	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 */; };
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+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
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+				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 = 13.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
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+				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;
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+				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 = 13.0;
+				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.courtneyarnold.fuelTaxTracker;
+				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 = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.courtneyarnold.fuelTaxTracker;
+				PRODUCT_NAME = "$(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 */
+
+/* Begin XCLocalSwiftPackageReference section */
+		781AD8BC2B33823900A9FFBB /* XCLocalSwiftPackageReference "Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = Flutter/ephemeral/Packages/FlutterGeneratedPluginSwiftPackage;
+		};
+/* End XCLocalSwiftPackageReference section */
+
+/* Begin XCSwiftPackageProductDependency section */
+		78A3181F2AECB46A00862997 /* FlutterGeneratedPluginSwiftPackage */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = FlutterGeneratedPluginSwiftPackage;
+		};
+/* End XCSwiftPackageProductDependency 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 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <PreActions>
+         <ExecutionAction
+            ActionType = "Xcode.IDEStandardExecutionActionsCore.ExecutionActionType.ShellScriptAction">
+            <ActionContent
+               title = "Run Prepare Flutter Framework Script"
+               scriptText = "/bin/sh &quot;$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh&quot; prepare&#10;">
+               <EnvironmentBuildable>
+                  <BuildableReference
+                     BuildableIdentifier = "primary"
+                     BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+                     BuildableName = "Runner.app"
+                     BlueprintName = "Runner"
+                     ReferencedContainer = "container:Runner.xcodeproj">
+                  </BuildableReference>
+               </EnvironmentBuildable>
+            </ActionContent>
+         </ExecutionAction>
+      </PreActions>
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(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 +1,16 @@
+import Flutter
+import UIKit
+
+@main
+@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+
+  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
+    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
+  }
+}
--- 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 +1,72 @@
+<?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>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>NSCameraUsageDescription</key>
+	<string>Fuel Tax Tracker uses the camera to take photos of fuel receipts.</string>
+	<key>CFBundleDisplayName</key>
+	<string>Fuel Tax Tracker</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>fuel_tax_tracker</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>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneClassName</key>
+					<string>UIWindowScene</string>
+					<key>UISceneConfigurationName</key>
+					<string>flutter</string>
+					<key>UISceneDelegateClassName</key>
+					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
+					<key>UISceneStoryboardFile</key>
+					<string>Main</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+	<key>UIApplicationSupportsIndirectInputEvents</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>
+</dict>
+</plist>
--- a/ios/Runner/Runner-Bridging-Header.h
+++ b/ios/Runner/Runner-Bridging-Header.h
@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"
--- a/ios/Runner/SceneDelegate.swift
+++ b/ios/Runner/SceneDelegate.swift
@ -0,0 +1,6 @@
+import Flutter
+import UIKit
+
+class SceneDelegate: FlutterSceneDelegate {
+
+}
--- 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/main.dart
+++ b/lib/main.dart
@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import 'screens/home_screen.dart';
+import 'services/app_state.dart';
+
+void main() {
+  runApp(const FuelTaxTrackerApp());
+}
+
+class FuelTaxTrackerApp extends StatelessWidget {
+  const FuelTaxTrackerApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ChangeNotifierProvider(
+      create: (_) => AppState()..init(),
+      child: MaterialApp(
+        title: 'Fuel Tax Tracker',
+        theme: ThemeData(colorSchemeSeed: Colors.indigo, useMaterial3: true),
+        darkTheme: ThemeData(
+          colorSchemeSeed: Colors.indigo,
+          brightness: Brightness.dark,
+          useMaterial3: true,
+        ),
+        home: const AppRoot(),
+      ),
+    );
+  }
+}
+
+class AppRoot extends StatelessWidget {
+  const AppRoot({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AppState>(
+      builder: (context, appState, _) {
+        if (appState.isLoading) {
+          return const Scaffold(
+            body: Center(child: CircularProgressIndicator()),
+          );
+        }
+        return const HomeScreen();
+      },
+    );
+  }
+}
--- a/lib/models/fuel_entry.dart
+++ b/lib/models/fuel_entry.dart
@ -0,0 +1,39 @@
+class FuelEntry {
+  final String id;
+  final String vehicleId;
+  final DateTime date;
+  final double gallons;
+  final double pricePerGallon;
+  final double totalCost;
+  final String? receiptImagePath;
+
+  FuelEntry({
+    required this.id,
+    required this.vehicleId,
+    required this.date,
+    required this.gallons,
+    required this.pricePerGallon,
+    required this.totalCost,
+    this.receiptImagePath,
+  });
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'vehicleId': vehicleId,
+        'date': date.toIso8601String(),
+        'gallons': gallons,
+        'pricePerGallon': pricePerGallon,
+        'totalCost': totalCost,
+        'receiptImagePath': receiptImagePath,
+      };
+
+  factory FuelEntry.fromJson(Map<String, dynamic> json) => FuelEntry(
+        id: json['id'] as String,
+        vehicleId: json['vehicleId'] as String,
+        date: DateTime.parse(json['date'] as String),
+        gallons: (json['gallons'] as num).toDouble(),
+        pricePerGallon: (json['pricePerGallon'] as num).toDouble(),
+        totalCost: (json['totalCost'] as num).toDouble(),
+        receiptImagePath: json['receiptImagePath'] as String?,
+      );
+}
--- a/lib/models/vehicle.dart
+++ b/lib/models/vehicle.dart
@ -0,0 +1,48 @@
+class Vehicle {
+  final String id;
+  final String make;
+  final String model;
+  final String color;
+  final String licensePlate;
+
+  Vehicle({
+    required this.id,
+    required this.make,
+    required this.model,
+    required this.color,
+    required this.licensePlate,
+  });
+
+  String get displayName => '$color $make $model ($licensePlate)';
+
+  Vehicle copyWith({
+    String? make,
+    String? model,
+    String? color,
+    String? licensePlate,
+  }) {
+    return Vehicle(
+      id: id,
+      make: make ?? this.make,
+      model: model ?? this.model,
+      color: color ?? this.color,
+      licensePlate: licensePlate ?? this.licensePlate,
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'make': make,
+        'model': model,
+        'color': color,
+        'licensePlate': licensePlate,
+      };
+
+  factory Vehicle.fromJson(Map<String, dynamic> json) => Vehicle(
+        id: json['id'] as String,
+        make: json['make'] as String,
+        model: json['model'] as String,
+        color: json['color'] as String,
+        licensePlate: json['licensePlate'] as String,
+      );
+}
--- a/lib/screens/add_edit_vehicle_screen.dart
+++ b/lib/screens/add_edit_vehicle_screen.dart
@ -0,0 +1,153 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../models/vehicle.dart';
+import '../services/app_state.dart';
+
+/// Add/edit form for a vehicle. Pass an existing [vehicle] to edit it, or
+/// omit it to create a new one.
+class AddEditVehicleScreen extends StatefulWidget {
+  final Vehicle? vehicle;
+
+  const AddEditVehicleScreen({super.key, this.vehicle});
+
+  @override
+  State<AddEditVehicleScreen> createState() => _AddEditVehicleScreenState();
+}
+
+class _AddEditVehicleScreenState extends State<AddEditVehicleScreen> {
+  final _formKey = GlobalKey<FormState>();
+  late final TextEditingController _makeController;
+  late final TextEditingController _modelController;
+  late final TextEditingController _colorController;
+  late final TextEditingController _plateController;
+
+  bool get _isEditing => widget.vehicle != null;
+
+  @override
+  void initState() {
+    super.initState();
+    _makeController = TextEditingController(text: widget.vehicle?.make ?? '');
+    _modelController = TextEditingController(text: widget.vehicle?.model ?? '');
+    _colorController = TextEditingController(text: widget.vehicle?.color ?? '');
+    _plateController = TextEditingController(text: widget.vehicle?.licensePlate ?? '');
+  }
+
+  @override
+  void dispose() {
+    _makeController.dispose();
+    _modelController.dispose();
+    _colorController.dispose();
+    _plateController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _save() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    final appState = context.read<AppState>();
+    if (_isEditing) {
+      await appState.updateVehicle(widget.vehicle!.copyWith(
+        make: _makeController.text.trim(),
+        model: _modelController.text.trim(),
+        color: _colorController.text.trim(),
+        licensePlate: _plateController.text.trim(),
+      ));
+    } else {
+      await appState.addVehicle(
+        make: _makeController.text.trim(),
+        model: _modelController.text.trim(),
+        color: _colorController.text.trim(),
+        licensePlate: _plateController.text.trim(),
+      );
+    }
+
+    if (mounted) Navigator.of(context).pop();
+  }
+
+  Future<void> _confirmDelete() async {
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Delete vehicle?'),
+        content: Text(
+          'This will also delete all fuel entries and receipt photos logged for '
+          '${widget.vehicle!.displayName}. This cannot be undone.',
+        ),
+        actions: [
+          TextButton(onPressed: () => Navigator.of(context).pop(false), child: const Text('Cancel')),
+          TextButton(
+            onPressed: () => Navigator.of(context).pop(true),
+            child: const Text('Delete', style: TextStyle(color: Colors.red)),
+          ),
+        ],
+      ),
+    );
+
+    if (confirmed == true && mounted) {
+      await context.read<AppState>().deleteVehicle(widget.vehicle!.id);
+      if (mounted) {
+        Navigator.of(context)
+          ..pop()
+          ..pop();
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(_isEditing ? 'Edit Vehicle' : 'Add Vehicle'),
+        actions: [
+          if (_isEditing)
+            IconButton(
+              icon: const Icon(Icons.delete_outline),
+              tooltip: 'Delete vehicle',
+              onPressed: _confirmDelete,
+            ),
+        ],
+      ),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          padding: const EdgeInsets.all(16),
+          children: [
+            TextFormField(
+              controller: _makeController,
+              decoration: const InputDecoration(labelText: 'Make', hintText: 'e.g. Ford'),
+              textCapitalization: TextCapitalization.words,
+              validator: (v) => (v == null || v.trim().isEmpty) ? 'Required' : null,
+            ),
+            const SizedBox(height: 12),
+            TextFormField(
+              controller: _modelController,
+              decoration: const InputDecoration(labelText: 'Model', hintText: 'e.g. F-150'),
+              textCapitalization: TextCapitalization.words,
+              validator: (v) => (v == null || v.trim().isEmpty) ? 'Required' : null,
+            ),
+            const SizedBox(height: 12),
+            TextFormField(
+              controller: _colorController,
+              decoration: const InputDecoration(labelText: 'Color', hintText: 'e.g. Red'),
+              textCapitalization: TextCapitalization.words,
+              validator: (v) => (v == null || v.trim().isEmpty) ? 'Required' : null,
+            ),
+            const SizedBox(height: 12),
+            TextFormField(
+              controller: _plateController,
+              decoration: const InputDecoration(labelText: 'License Plate'),
+              textCapitalization: TextCapitalization.characters,
+              validator: (v) => (v == null || v.trim().isEmpty) ? 'Required' : null,
+            ),
+            const SizedBox(height: 24),
+            FilledButton(
+              onPressed: _save,
+              child: Text(_isEditing ? 'Save Changes' : 'Add Vehicle'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
--- a/lib/screens/confirm_fuel_entry_screen.dart
+++ b/lib/screens/confirm_fuel_entry_screen.dart
@ -0,0 +1,224 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';
+
+import '../services/app_state.dart';
+import '../services/receipt_parser.dart';
+import 'receipt_image_screen.dart';
+
+/// Shown right after a receipt photo is captured and OCR'd. Pre-fills
+/// whatever the parser found and lets the user review/correct every field
+/// before it's written to the data file, since OCR on a printed receipt is
+/// usually good but not perfect.
+class ConfirmFuelEntryScreen extends StatefulWidget {
+  final String vehicleId;
+  final File imageFile;
+  final ParsedReceipt parsed;
+
+  const ConfirmFuelEntryScreen({
+    super.key,
+    required this.vehicleId,
+    required this.imageFile,
+    required this.parsed,
+  });
+
+  @override
+  State<ConfirmFuelEntryScreen> createState() => _ConfirmFuelEntryScreenState();
+}
+
+class _ConfirmFuelEntryScreenState extends State<ConfirmFuelEntryScreen> {
+  final _formKey = GlobalKey<FormState>();
+  late final TextEditingController _gallonsController;
+  late final TextEditingController _priceController;
+  late final TextEditingController _totalController;
+  DateTime _date = DateTime.now();
+  bool _saving = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _gallonsController = TextEditingController(
+      text: widget.parsed.gallons?.toStringAsFixed(3) ?? '',
+    );
+    _priceController = TextEditingController(
+      text: widget.parsed.pricePerGallon?.toStringAsFixed(3) ?? '',
+    );
+    _totalController = TextEditingController(
+      text: widget.parsed.totalCost?.toStringAsFixed(2) ?? '',
+    );
+  }
+
+  @override
+  void dispose() {
+    _gallonsController.dispose();
+    _priceController.dispose();
+    _totalController.dispose();
+    super.dispose();
+  }
+
+  void _calculateTotal() {
+    final gallons = double.tryParse(_gallonsController.text);
+    final price = double.tryParse(_priceController.text);
+    if (gallons != null && price != null) {
+      setState(() {
+        _totalController.text = (gallons * price).toStringAsFixed(2);
+      });
+    }
+  }
+
+  Future<void> _pickDate() async {
+    final pickedDate = await showDatePicker(
+      context: context,
+      initialDate: _date,
+      firstDate: DateTime.now().subtract(const Duration(days: 365 * 5)),
+      lastDate: DateTime.now(),
+    );
+    if (pickedDate == null || !mounted) return;
+
+    final pickedTime = await showTimePicker(
+      context: context,
+      initialTime: TimeOfDay.fromDateTime(_date),
+    );
+    if (pickedTime == null) return;
+
+    setState(() {
+      _date = DateTime(
+        pickedDate.year,
+        pickedDate.month,
+        pickedDate.day,
+        pickedTime.hour,
+        pickedTime.minute,
+      );
+    });
+  }
+
+  Future<void> _save() async {
+    if (!_formKey.currentState!.validate()) return;
+
+    setState(() => _saving = true);
+    try {
+      await context.read<AppState>().addFuelEntry(
+            vehicleId: widget.vehicleId,
+            date: _date,
+            gallons: double.parse(_gallonsController.text),
+            pricePerGallon: double.parse(_priceController.text),
+            totalCost: double.parse(_totalController.text),
+            receiptImage: widget.imageFile,
+          );
+      if (mounted) Navigator.of(context).pop();
+    } finally {
+      if (mounted) setState(() => _saving = false);
+    }
+  }
+
+  String? _requiredDecimal(String? value) {
+    if (value == null || value.trim().isEmpty) return 'Required';
+    if (double.tryParse(value) == null) return 'Enter a valid number';
+    return null;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final dateFormat = DateFormat.yMMMd().add_jm();
+    final nothingParsed = widget.parsed.gallons == null &&
+        widget.parsed.pricePerGallon == null &&
+        widget.parsed.totalCost == null;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Confirm Fuel Entry')),
+      body: Form(
+        key: _formKey,
+        child: ListView(
+          padding: const EdgeInsets.all(16),
+          children: [
+            GestureDetector(
+              onTap: () => Navigator.of(context).push(
+                MaterialPageRoute(
+                  builder: (_) => ReceiptImageScreen(imagePath: widget.imageFile.path),
+                ),
+              ),
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(8),
+                child: Image.file(widget.imageFile, height: 180, fit: BoxFit.cover, width: double.infinity),
+              ),
+            ),
+            const SizedBox(height: 8),
+            Text(
+              'Tap the photo to view it full-screen.',
+              style: Theme.of(context).textTheme.bodySmall,
+              textAlign: TextAlign.center,
+            ),
+            if (nothingParsed) ...[
+              const SizedBox(height: 16),
+              Container(
+                padding: const EdgeInsets.all(12),
+                decoration: BoxDecoration(
+                  color: Theme.of(context).colorScheme.errorContainer,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                child: Row(
+                  children: [
+                    Icon(Icons.warning_amber_rounded, color: Theme.of(context).colorScheme.onErrorContainer),
+                    const SizedBox(width: 8),
+                    Expanded(
+                      child: Text(
+                        "Couldn't automatically read this receipt. Please enter the values manually.",
+                        style: TextStyle(color: Theme.of(context).colorScheme.onErrorContainer),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+            const SizedBox(height: 16),
+            ListTile(
+              contentPadding: EdgeInsets.zero,
+              title: const Text('Date & time'),
+              subtitle: Text(dateFormat.format(_date)),
+              trailing: const Icon(Icons.edit_calendar_outlined),
+              onTap: _pickDate,
+            ),
+            const SizedBox(height: 8),
+            TextFormField(
+              controller: _gallonsController,
+              decoration: const InputDecoration(labelText: 'Gallons', suffixText: 'gal'),
+              keyboardType: const TextInputType.numberWithOptions(decimal: true),
+              validator: _requiredDecimal,
+            ),
+            const SizedBox(height: 12),
+            TextFormField(
+              controller: _priceController,
+              decoration: const InputDecoration(labelText: 'Price per gallon', prefixText: '\$'),
+              keyboardType: const TextInputType.numberWithOptions(decimal: true),
+              validator: _requiredDecimal,
+            ),
+            const SizedBox(height: 12),
+            TextFormField(
+              controller: _totalController,
+              decoration: InputDecoration(
+                labelText: 'Total cost',
+                prefixText: '\$',
+                suffixIcon: IconButton(
+                  icon: const Icon(Icons.calculate_outlined),
+                  tooltip: 'Calculate from gallons × price',
+                  onPressed: _calculateTotal,
+                ),
+              ),
+              keyboardType: const TextInputType.numberWithOptions(decimal: true),
+              validator: _requiredDecimal,
+            ),
+            const SizedBox(height: 24),
+            FilledButton(
+              onPressed: _saving ? null : _save,
+              child: _saving
+                  ? const SizedBox(height: 20, width: 20, child: CircularProgressIndicator(strokeWidth: 2))
+                  : const Text('Save Entry'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
--- a/lib/screens/home_screen.dart
+++ b/lib/screens/home_screen.dart
@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../models/vehicle.dart';
+import '../services/app_state.dart';
+import 'add_edit_vehicle_screen.dart';
+import 'settings_screen.dart';
+import 'vehicle_detail_screen.dart';
+
+class HomeScreen extends StatelessWidget {
+  const HomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final appState = context.watch<AppState>();
+    final vehicles = appState.vehicles;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('My Vehicles'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.settings_outlined),
+            tooltip: 'Settings',
+            onPressed: () => Navigator.of(context).push(
+              MaterialPageRoute(builder: (_) => const SettingsScreen()),
+            ),
+          ),
+        ],
+      ),
+      body: vehicles.isEmpty
+          ? const _EmptyState()
+          : ListView.separated(
+              padding: const EdgeInsets.all(12),
+              itemCount: vehicles.length,
+              separatorBuilder: (_, _) => const SizedBox(height: 8),
+              itemBuilder: (context, index) {
+                final vehicle = vehicles[index];
+                final gallons = appState.totalGallonsForVehicle(vehicle.id);
+                return _VehicleCard(vehicle: vehicle, totalGallons: gallons);
+              },
+            ),
+      floatingActionButton: FloatingActionButton.extended(
+        onPressed: () => Navigator.of(context).push(
+          MaterialPageRoute(builder: (_) => const AddEditVehicleScreen()),
+        ),
+        icon: const Icon(Icons.add),
+        label: const Text('Add Vehicle'),
+      ),
+    );
+  }
+}
+
+class _VehicleCard extends StatelessWidget {
+  final Vehicle vehicle;
+  final double totalGallons;
+
+  const _VehicleCard({required this.vehicle, required this.totalGallons});
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      clipBehavior: Clip.antiAlias,
+      child: ListTile(
+        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+        leading: CircleAvatar(
+          child: Text(vehicle.make.isNotEmpty ? vehicle.make[0].toUpperCase() : '?'),
+        ),
+        title: Text('${vehicle.color} ${vehicle.make} ${vehicle.model}'),
+        subtitle: Text(
+          'Plate: ${vehicle.licensePlate}\n${totalGallons.toStringAsFixed(3)} gallons logged',
+        ),
+        isThreeLine: true,
+        trailing: const Icon(Icons.chevron_right),
+        onTap: () => Navigator.of(context).push(
+          MaterialPageRoute(builder: (_) => VehicleDetailScreen(vehicleId: vehicle.id)),
+        ),
+      ),
+    );
+  }
+}
+
+class _EmptyState extends StatelessWidget {
+  const _EmptyState();
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(Icons.local_shipping_outlined, size: 64, color: Theme.of(context).colorScheme.outline),
+            const SizedBox(height: 16),
+            Text(
+              'No vehicles yet. Add a vehicle to start logging fuel receipts.',
+              textAlign: TextAlign.center,
+              style: Theme.of(context).textTheme.bodyLarge,
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
--- a/lib/screens/receipt_image_screen.dart
+++ b/lib/screens/receipt_image_screen.dart
@ -0,0 +1,27 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+/// Full-screen, pinch-zoomable view of a saved receipt photo.
+class ReceiptImageScreen extends StatelessWidget {
+  final String imagePath;
+
+  const ReceiptImageScreen({super.key, required this.imagePath});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.black,
+      appBar: AppBar(
+        backgroundColor: Colors.black,
+        foregroundColor: Colors.white,
+        title: const Text('Receipt'),
+      ),
+      body: Center(
+        child: InteractiveViewer(
+          child: Image.file(File(imagePath)),
+        ),
+      ),
+    );
+  }
+}
--- a/lib/screens/settings_screen.dart
+++ b/lib/screens/settings_screen.dart
@ -0,0 +1,105 @@
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../services/app_state.dart';
+
+class SettingsScreen extends StatefulWidget {
+  const SettingsScreen({super.key});
+
+  @override
+  State<SettingsScreen> createState() => _SettingsScreenState();
+}
+
+class _SettingsScreenState extends State<SettingsScreen> {
+  bool _changing = false;
+  String? _error;
+
+  Future<void> _chooseFolder() async {
+    setState(() => _error = null);
+
+    final selectedPath = await FilePicker.platform.getDirectoryPath(
+      dialogTitle: 'Choose a folder for receipts and data',
+    );
+    if (selectedPath == null || !mounted) return;
+
+    setState(() => _changing = true);
+    try {
+      await context.read<AppState>().changeSaveDirectory(selectedPath);
+    } catch (e) {
+      setState(() => _error = 'Could not switch to that folder: $e');
+    } finally {
+      if (mounted) setState(() => _changing = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final appState = context.watch<AppState>();
+    final saveDir = appState.storage.saveDirectory.path;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Settings')),
+      body: ListView(
+        padding: const EdgeInsets.all(16),
+        children: [
+          Card(
+            child: Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text('Save Location', style: Theme.of(context).textTheme.titleMedium),
+                  const SizedBox(height: 8),
+                  Text(
+                    'Receipt photos and the data file are stored here:',
+                    style: Theme.of(context).textTheme.bodyMedium,
+                  ),
+                  const SizedBox(height: 4),
+                  SelectableText(
+                    saveDir,
+                    style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                          fontFamily: 'monospace',
+                        ),
+                  ),
+                  const SizedBox(height: 16),
+                  if (_error != null) ...[
+                    Text(_error!, style: TextStyle(color: Theme.of(context).colorScheme.error)),
+                    const SizedBox(height: 8),
+                  ],
+                  FilledButton.icon(
+                    onPressed: _changing ? null : _chooseFolder,
+                    icon: _changing
+                        ? const SizedBox(
+                            height: 16,
+                            width: 16,
+                            child: CircularProgressIndicator(strokeWidth: 2),
+                          )
+                        : const Icon(Icons.folder_open),
+                    label: const Text('Choose Folder'),
+                  ),
+                ],
+              ),
+            ),
+          ),
+          const SizedBox(height: 16),
+          Card(
+            child: Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text('Summary', style: Theme.of(context).textTheme.titleMedium),
+                  const SizedBox(height: 8),
+                  Text('${appState.vehicles.length} vehicle(s)'),
+                  Text('${appState.fuelEntries.length} fuel entries'),
+                  Text('${appState.totalGallonsAllVehicles.toStringAsFixed(3)} total gallons logged'),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
--- a/lib/screens/vehicle_detail_screen.dart
+++ b/lib/screens/vehicle_detail_screen.dart
@ -0,0 +1,188 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';
+
+import '../models/fuel_entry.dart';
+import '../services/app_state.dart';
+import '../services/ocr_service.dart';
+import '../services/receipt_parser.dart';
+import 'add_edit_vehicle_screen.dart';
+import 'confirm_fuel_entry_screen.dart';
+import 'receipt_image_screen.dart';
+
+class VehicleDetailScreen extends StatelessWidget {
+  final String vehicleId;
+
+  const VehicleDetailScreen({super.key, required this.vehicleId});
+
+  Future<void> _captureReceipt(BuildContext context) async {
+    final picker = ImagePicker();
+    XFile? photo;
+    try {
+      photo = await picker.pickImage(source: ImageSource.camera, imageQuality: 85);
+    } catch (e) {
+      if (context.mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text('Could not open camera: $e')),
+        );
+      }
+      return;
+    }
+    if (photo == null) return;
+
+    final imageFile = File(photo.path);
+
+    if (!context.mounted) return;
+    showDialog(
+      context: context,
+      barrierDismissible: false,
+      builder: (_) => const Center(child: CircularProgressIndicator()),
+    );
+
+    final ocrService = OcrService();
+    String recognizedText = '';
+    try {
+      recognizedText = await ocrService.recognizeText(imageFile);
+    } catch (_) {
+      recognizedText = '';
+    } finally {
+      ocrService.dispose();
+    }
+
+    final parsed = ReceiptParser.parse(recognizedText);
+
+    if (context.mounted) {
+      Navigator.of(context).pop();
+      Navigator.of(context).push(
+        MaterialPageRoute(
+          builder: (_) => ConfirmFuelEntryScreen(
+            vehicleId: vehicleId,
+            imageFile: imageFile,
+            parsed: parsed,
+          ),
+        ),
+      );
+    }
+  }
+
+  Future<void> _deleteEntry(BuildContext context, FuelEntry entry) async {
+    final confirmed = await showDialog<bool>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Delete fuel entry?'),
+        content: const Text('This will remove the entry and its receipt photo.'),
+        actions: [
+          TextButton(onPressed: () => Navigator.of(context).pop(false), child: const Text('Cancel')),
+          TextButton(
+            onPressed: () => Navigator.of(context).pop(true),
+            child: const Text('Delete', style: TextStyle(color: Colors.red)),
+          ),
+        ],
+      ),
+    );
+    if (confirmed == true && context.mounted) {
+      await context.read<AppState>().deleteFuelEntry(entry.id);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final appState = context.watch<AppState>();
+    final vehicle = appState.vehicleById(vehicleId);
+
+    if (vehicle == null) {
+      return const Scaffold(body: Center(child: Text('Vehicle not found')));
+    }
+
+    final entries = appState.entriesForVehicle(vehicleId);
+    final totalGallons = appState.totalGallonsForVehicle(vehicleId);
+    final dateFormat = DateFormat.yMMMd().add_jm();
+    final currencyFormat = NumberFormat.simpleCurrency();
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(vehicle.displayName),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.edit_outlined),
+            tooltip: 'Edit vehicle',
+            onPressed: () => Navigator.of(context).push(
+              MaterialPageRoute(builder: (_) => AddEditVehicleScreen(vehicle: vehicle)),
+            ),
+          ),
+        ],
+      ),
+      body: Column(
+        children: [
+          Container(
+            width: double.infinity,
+            padding: const EdgeInsets.all(16),
+            color: Theme.of(context).colorScheme.surfaceContainerHighest,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text('Total gallons logged', style: Theme.of(context).textTheme.labelLarge),
+                Text(
+                  '${totalGallons.toStringAsFixed(3)} gal',
+                  style: Theme.of(context).textTheme.headlineMedium,
+                ),
+              ],
+            ),
+          ),
+          Expanded(
+            child: entries.isEmpty
+                ? const Center(child: Text('No fuel entries yet. Tap the camera button to log a receipt.'))
+                : ListView.separated(
+                    padding: const EdgeInsets.all(12),
+                    itemCount: entries.length,
+                    separatorBuilder: (_, _) => const SizedBox(height: 8),
+                    itemBuilder: (context, index) {
+                      final entry = entries[index];
+                      return Card(
+                        clipBehavior: Clip.antiAlias,
+                        child: ListTile(
+                          leading: entry.receiptImagePath != null
+                              ? GestureDetector(
+                                  onTap: () => Navigator.of(context).push(
+                                    MaterialPageRoute(
+                                      builder: (_) => ReceiptImageScreen(imagePath: entry.receiptImagePath!),
+                                    ),
+                                  ),
+                                  child: ClipRRect(
+                                    borderRadius: BorderRadius.circular(6),
+                                    child: Image.file(
+                                      File(entry.receiptImagePath!),
+                                      width: 48,
+                                      height: 48,
+                                      fit: BoxFit.cover,
+                                    ),
+                                  ),
+                                )
+                              : const CircleAvatar(child: Icon(Icons.receipt_long)),
+                          title: Text('${entry.gallons.toStringAsFixed(3)} gal • ${currencyFormat.format(entry.totalCost)}'),
+                          subtitle: Text(
+                            '${currencyFormat.format(entry.pricePerGallon)}/gal\n${dateFormat.format(entry.date)}',
+                          ),
+                          isThreeLine: true,
+                          trailing: IconButton(
+                            icon: const Icon(Icons.delete_outline),
+                            onPressed: () => _deleteEntry(context, entry),
+                          ),
+                        ),
+                      );
+                    },
+                  ),
+          ),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton.extended(
+        onPressed: () => _captureReceipt(context),
+        icon: const Icon(Icons.camera_alt_outlined),
+        label: const Text('Log Fuel Receipt'),
+      ),
+    );
+  }
+}
--- a/lib/services/app_state.dart
+++ b/lib/services/app_state.dart
@ -0,0 +1,129 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:uuid/uuid.dart';
+
+import '../models/fuel_entry.dart';
+import '../models/vehicle.dart';
+import 'storage_service.dart';
+
+/// Single source of truth for the app's in-memory data (vehicles + fuel
+/// entries), backed by [StorageService] for persistence. Screens read from
+/// this via Provider and call its mutating methods, which take care of
+/// writing through to disk and notifying listeners.
+class AppState extends ChangeNotifier {
+  final StorageService storage = StorageService();
+  final _uuid = const Uuid();
+
+  List<Vehicle> vehicles = [];
+  List<FuelEntry> fuelEntries = [];
+  bool isLoading = true;
+
+  Future<void> init() async {
+    await storage.init();
+    final data = await storage.loadData();
+    vehicles = data.vehicles;
+    fuelEntries = data.entries;
+    isLoading = false;
+    notifyListeners();
+  }
+
+  Future<void> addVehicle({
+    required String make,
+    required String model,
+    required String color,
+    required String licensePlate,
+  }) async {
+    vehicles.add(Vehicle(
+      id: _uuid.v4(),
+      make: make,
+      model: model,
+      color: color,
+      licensePlate: licensePlate,
+    ));
+    await _persist();
+  }
+
+  Future<void> updateVehicle(Vehicle updated) async {
+    final index = vehicles.indexWhere((v) => v.id == updated.id);
+    if (index != -1) {
+      vehicles[index] = updated;
+      await _persist();
+    }
+  }
+
+  Future<void> deleteVehicle(String vehicleId) async {
+    for (final entry in fuelEntries.where((e) => e.vehicleId == vehicleId)) {
+      await storage.deleteReceiptImage(entry.receiptImagePath);
+    }
+    fuelEntries.removeWhere((e) => e.vehicleId == vehicleId);
+    vehicles.removeWhere((v) => v.id == vehicleId);
+    await _persist();
+  }
+
+  Future<FuelEntry> addFuelEntry({
+    required String vehicleId,
+    required DateTime date,
+    required double gallons,
+    required double pricePerGallon,
+    required double totalCost,
+    File? receiptImage,
+  }) async {
+    final id = _uuid.v4();
+    String? storedImagePath;
+    if (receiptImage != null) {
+      storedImagePath = await storage.storeReceiptImage(receiptImage, id);
+    }
+
+    final entry = FuelEntry(
+      id: id,
+      vehicleId: vehicleId,
+      date: date,
+      gallons: gallons,
+      pricePerGallon: pricePerGallon,
+      totalCost: totalCost,
+      receiptImagePath: storedImagePath,
+    );
+    fuelEntries.add(entry);
+    await _persist();
+    return entry;
+  }
+
+  Future<void> deleteFuelEntry(String entryId) async {
+    final entry = fuelEntries.firstWhere((e) => e.id == entryId);
+    await storage.deleteReceiptImage(entry.receiptImagePath);
+    fuelEntries.removeWhere((e) => e.id == entryId);
+    await _persist();
+  }
+
+  List<FuelEntry> entriesForVehicle(String vehicleId) {
+    final list = fuelEntries.where((e) => e.vehicleId == vehicleId).toList();
+    list.sort((a, b) => b.date.compareTo(a.date));
+    return list;
+  }
+
+  double totalGallonsForVehicle(String vehicleId) => fuelEntries
+      .where((e) => e.vehicleId == vehicleId)
+      .fold(0.0, (sum, e) => sum + e.gallons);
+
+  double get totalGallonsAllVehicles =>
+      fuelEntries.fold(0.0, (sum, e) => sum + e.gallons);
+
+  Vehicle? vehicleById(String id) {
+    try {
+      return vehicles.firstWhere((v) => v.id == id);
+    } catch (_) {
+      return null;
+    }
+  }
+
+  Future<void> changeSaveDirectory(String newPath) async {
+    await storage.setSaveDirectory(newPath);
+    notifyListeners();
+  }
+
+  Future<void> _persist() async {
+    await storage.saveData(vehicles: vehicles, entries: fuelEntries);
+    notifyListeners();
+  }
+}
--- a/lib/services/ocr_service.dart
+++ b/lib/services/ocr_service.dart
@ -0,0 +1,21 @@
+import 'dart:io';
+
+import 'package:google_mlkit_text_recognition/google_mlkit_text_recognition.dart';
+
+/// Thin wrapper around ML Kit's on-device text recognizer so the rest of
+/// the app depends on a single, easily-swappable entry point rather than
+/// the ML Kit API directly.
+class OcrService {
+  final TextRecognizer _recognizer =
+      TextRecognizer(script: TextRecognitionScript.latin);
+
+  Future<String> recognizeText(File imageFile) async {
+    final inputImage = InputImage.fromFile(imageFile);
+    final result = await _recognizer.processImage(inputImage);
+    return result.text;
+  }
+
+  void dispose() {
+    _recognizer.close();
+  }
+}
--- a/lib/services/receipt_parser.dart
+++ b/lib/services/receipt_parser.dart
@ -0,0 +1,105 @@
+/// Best-effort values pulled out of OCR'd receipt text. Any field can be
+/// null if it couldn't be found, and the confirm screen lets the user fill
+/// in or correct whatever the parser got wrong.
+class ParsedReceipt {
+  final double? gallons;
+  final double? pricePerGallon;
+  final double? totalCost;
+  final String rawText;
+
+  ParsedReceipt({
+    this.gallons,
+    this.pricePerGallon,
+    this.totalCost,
+    required this.rawText,
+  });
+}
+
+/// Parses free-form OCR text from a fuel receipt looking for the number of
+/// gallons pumped, the price per gallon, and the total amount charged.
+///
+/// Fuel receipts vary a lot between stations, so this uses a handful of
+/// label-based regexes rather than assuming a fixed layout, and falls back
+/// to deriving a missing value from the other two when exactly one is
+/// missing (total = gallons * price, etc).
+class ReceiptParser {
+  static final _gallonsPatterns = [
+    RegExp(r'GALLONS?\s*[:\-]?\s*(\d+\.\d{2,3})', caseSensitive: false),
+    RegExp(r'\bGAL\b\s*[:\-]?\s*(\d+\.\d{2,3})', caseSensitive: false),
+    RegExp(r'(\d+\.\d{2,3})\s*GAL(?:LONS)?\b', caseSensitive: false),
+  ];
+
+  static final _pricePerGallonPatterns = [
+    RegExp(r'PRICE\s*/?\s*GAL(?:LON)?\s*[:\-]?\s*\$?\s*(\d+\.\d{2,3})',
+        caseSensitive: false),
+    RegExp(r'\bPPG\b\s*[:\-]?\s*\$?\s*(\d+\.\d{2,3})', caseSensitive: false),
+    RegExp(r'PER\s*GAL(?:LON)?\s*[:\-]?\s*\$?\s*(\d+\.\d{2,3})',
+        caseSensitive: false),
+    RegExp(r'\$\s*/\s*GAL\s*[:\-]?\s*\$?\s*(\d+\.\d{2,3})',
+        caseSensitive: false),
+  ];
+
+  static final _totalPatterns = [
+    RegExp(r'FUEL\s*TOTAL\s*[:\-]?\s*\$?\s*(\d+\.\d{2})', caseSensitive: false),
+    RegExp(r'SALE\s*TOTAL\s*[:\-]?\s*\$?\s*(\d+\.\d{2})', caseSensitive: false),
+    RegExp(r'AMOUNT\s*DUE\s*[:\-]?\s*\$?\s*(\d+\.\d{2})', caseSensitive: false),
+    RegExp(r'(?<!SUB)\bTOTAL\b\s*[:\-]?\s*\$?\s*(\d+\.\d{2})',
+        caseSensitive: false),
+  ];
+
+  static ParsedReceipt parse(String text) {
+    final normalized = text.replaceAll(',', '');
+
+    final gallons = _firstMatch(_gallonsPatterns, normalized);
+    final pricePerGallon = _firstMatch(_pricePerGallonPatterns, normalized);
+    var totalCost = _firstMatch(_totalPatterns, normalized);
+
+    final derivedTotal = _deriveMissingValue(
+      gallons: gallons,
+      pricePerGallon: pricePerGallon,
+      totalCost: totalCost,
+    );
+
+    return ParsedReceipt(
+      gallons: derivedTotal.gallons,
+      pricePerGallon: derivedTotal.pricePerGallon,
+      totalCost: derivedTotal.totalCost,
+      rawText: text,
+    );
+  }
+
+  static double? _firstMatch(List<RegExp> patterns, String text) {
+    for (final pattern in patterns) {
+      final match = pattern.firstMatch(text);
+      if (match != null) {
+        return double.tryParse(match.group(1)!);
+      }
+    }
+    return null;
+  }
+
+  static ({double? gallons, double? pricePerGallon, double? totalCost})
+      _deriveMissingValue({
+    required double? gallons,
+    required double? pricePerGallon,
+    required double? totalCost,
+  }) {
+    final missingCount =
+        [gallons, pricePerGallon, totalCost].where((v) => v == null).length;
+
+    // Only safe to derive when exactly one of the three is missing.
+    if (missingCount != 1) {
+      return (gallons: gallons, pricePerGallon: pricePerGallon, totalCost: totalCost);
+    }
+
+    if (totalCost == null && gallons != null && pricePerGallon != null) {
+      totalCost = double.parse((gallons * pricePerGallon).toStringAsFixed(2));
+    } else if (gallons == null && totalCost != null && pricePerGallon != null && pricePerGallon > 0) {
+      gallons = double.parse((totalCost / pricePerGallon).toStringAsFixed(3));
+    } else if (pricePerGallon == null && totalCost != null && gallons != null && gallons > 0) {
+      pricePerGallon = double.parse((totalCost / gallons).toStringAsFixed(3));
+    }
+
+    return (gallons: gallons, pricePerGallon: pricePerGallon, totalCost: totalCost);
+  }
+}
--- a/lib/services/storage_service.dart
+++ b/lib/services/storage_service.dart
@ -0,0 +1,128 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../models/fuel_entry.dart';
+import '../models/vehicle.dart';
+
+/// Owns the on-disk layout for the app: a `data.json` file holding vehicles
+/// and fuel entries, plus a `receipts/` subfolder holding receipt photos.
+/// The parent directory containing both is user-configurable (see
+/// [setSaveDirectory]) and persisted across launches via SharedPreferences.
+class StorageService {
+  static const _prefsKey = 'save_directory_path';
+  static const _dataFileName = 'fuel_tax_data.json';
+  static const _receiptsFolderName = 'receipts';
+
+  late Directory _saveDirectory;
+
+  Directory get saveDirectory => _saveDirectory;
+
+  Directory get receiptsDirectory =>
+      Directory(p.join(_saveDirectory.path, _receiptsFolderName));
+
+  File get _dataFile => File(p.join(_saveDirectory.path, _dataFileName));
+
+  /// Must be called once before any other method. Loads the previously
+  /// chosen save directory, falling back to the app's own documents
+  /// directory the first time the app runs.
+  Future<void> init() async {
+    final prefs = await SharedPreferences.getInstance();
+    final storedPath = prefs.getString(_prefsKey);
+
+    if (storedPath != null && await Directory(storedPath).exists()) {
+      _saveDirectory = Directory(storedPath);
+    } else {
+      final docsDir = await getApplicationDocumentsDirectory();
+      _saveDirectory = Directory(p.join(docsDir.path, 'FuelTaxTracker'));
+    }
+
+    await _saveDirectory.create(recursive: true);
+    await receiptsDirectory.create(recursive: true);
+  }
+
+  Future<({List<Vehicle> vehicles, List<FuelEntry> entries})> loadData() async {
+    if (!await _dataFile.exists()) {
+      return (vehicles: <Vehicle>[], entries: <FuelEntry>[]);
+    }
+
+    final raw = await _dataFile.readAsString();
+    if (raw.trim().isEmpty) {
+      return (vehicles: <Vehicle>[], entries: <FuelEntry>[]);
+    }
+
+    final json = jsonDecode(raw) as Map<String, dynamic>;
+    final vehicles = (json['vehicles'] as List<dynamic>? ?? [])
+        .map((v) => Vehicle.fromJson(v as Map<String, dynamic>))
+        .toList();
+    final entries = (json['fuelEntries'] as List<dynamic>? ?? [])
+        .map((e) => FuelEntry.fromJson(e as Map<String, dynamic>))
+        .toList();
+
+    return (vehicles: vehicles, entries: entries);
+  }
+
+  Future<void> saveData({
+    required List<Vehicle> vehicles,
+    required List<FuelEntry> entries,
+  }) async {
+    final json = {
+      'vehicles': vehicles.map((v) => v.toJson()).toList(),
+      'fuelEntries': entries.map((e) => e.toJson()).toList(),
+    };
+    await _dataFile.writeAsString(const JsonEncoder.withIndent('  ').convert(json));
+  }
+
+  /// Copies a captured receipt image into the receipts folder and returns
+  /// the path it was stored at.
+  Future<String> storeReceiptImage(File sourceImage, String fuelEntryId) async {
+    final ext = p.extension(sourceImage.path);
+    final destPath = p.join(receiptsDirectory.path, '$fuelEntryId$ext');
+    final copied = await sourceImage.copy(destPath);
+    return copied.path;
+  }
+
+  Future<void> deleteReceiptImage(String? path) async {
+    if (path == null) return;
+    final file = File(path);
+    if (await file.exists()) {
+      await file.delete();
+    }
+  }
+
+  /// Changes where the data file and receipt images live, moving any
+  /// existing data/images from the old location into the new one.
+  Future<void> setSaveDirectory(String newPath) async {
+    final newDir = Directory(newPath);
+    await newDir.create(recursive: true);
+    final newReceiptsDir = Directory(p.join(newPath, _receiptsFolderName));
+    await newReceiptsDir.create(recursive: true);
+
+    final oldDataFile = _dataFile;
+    final oldReceiptsDir = receiptsDirectory;
+
+    if (await oldDataFile.exists() &&
+        p.equals(oldDataFile.path, p.join(newPath, _dataFileName)) == false) {
+      await oldDataFile.copy(p.join(newPath, _dataFileName));
+    }
+
+    if (await oldReceiptsDir.exists()) {
+      await for (final entity in oldReceiptsDir.list()) {
+        if (entity is File) {
+          final destPath = p.join(newReceiptsDir.path, p.basename(entity.path));
+          if (!p.equals(entity.path, destPath)) {
+            await entity.copy(destPath);
+          }
+        }
+      }
+    }
+
+    _saveDirectory = newDir;
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(_prefsKey, newPath);
+  }
+}
--- a/pubspec.lock
+++ b/pubspec.lock
@ -0,0 +1,714 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.13.1"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: bf394f466ba9205f1812a0433b392d6af280f155f56651eda7c18cc32ed493b8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "92c9c43c383bfa1c32079d3bc492d55d6d4318044b7b47edaff8971cbb555c51"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.5+4"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  cupertino_icons:
+    dependency: "direct main"
+    description:
+      name: cupertino_icons
+      sha256: "41e005c33bd814be4d3096aff55b1908d419fde52ca656c8c47719ec745873cd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.9"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: "0ce9b0a839e6dee59a37a623d2fc26a35bbbe6404213e419b0d6411023d62645"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.14"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
+  file_picker:
+    dependency: "direct main"
+    description:
+      name: file_picker
+      sha256: "57d9a1dd5063f85fa3107fb42d1faffda52fdc948cefd5fe5ea85267a5fc7343"
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.3.10"
+  file_selector_linux:
+    dependency: transitive
+    description:
+      name: file_selector_linux
+      sha256: "2567f398e06ac72dcf2e98a0c95df2a9edd03c2c2e0cacd4780f20cdf56263a0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.4"
+  file_selector_macos:
+    dependency: transitive
+    description:
+      name: file_selector_macos
+      sha256: "5e0bbe9c312416f1787a68259ea1505b52f258c587f12920422671807c4d618a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.5"
+  file_selector_platform_interface:
+    dependency: transitive
+    description:
+      name: file_selector_platform_interface
+      sha256: "35e0bd61ebcdb91a3505813b055b09b79dfdc7d0aee9c09a7ba59ae4bb13dc85"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  file_selector_windows:
+    dependency: transitive
+    description:
+      name: file_selector_windows
+      sha256: "62197474ae75893a62df75939c777763d39c2bc5f73ce5b88497208bc269abfd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.3+5"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: "3105dc8492f6183fb076ccf1f351ac3d60564bff92e20bfc4af9cc1651f4e7e1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: "3854fe5e3bff0b113c658f260b90c95dea17c92db0f2addeac2e343dd9969785"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.35"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  google_mlkit_commons:
+    dependency: transitive
+    description:
+      name: google_mlkit_commons
+      sha256: "3e69fea4211727732cc385104e675ad1e40b29f12edd492ee52fa108423a6124"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
+  google_mlkit_text_recognition:
+    dependency: "direct main"
+    description:
+      name: google_mlkit_text_recognition
+      sha256: "10a8d1a64fa21efda89514f6df88bbb7885be3ae1bfb7a6d229132d802a20d22"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.15.1"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: "9a62a50b50b769a737bc0a8ff381f333529df3ab746b2f6b02e83760231455ba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
+  image_picker:
+    dependency: "direct main"
+    description:
+      name: image_picker
+      sha256: d8402284df184bc05f4a2210c6c23983b0720f4cd87cbd05c5390a78af602667
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.3"
+  image_picker_android:
+    dependency: transitive
+    description:
+      name: image_picker_android
+      sha256: "6f3a1995eafb000333174fae92202622033b0ee7fd917a6cd3730295264df84a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.13+19"
+  image_picker_for_web:
+    dependency: transitive
+    description:
+      name: image_picker_for_web
+      sha256: "66257a3191ab360d23a55c8241c91a6e329d31e94efa7be9cf7a212e65850214"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  image_picker_ios:
+    dependency: transitive
+    description:
+      name: image_picker_ios
+      sha256: b9c4a438a9ff4f60808c9cf0039b93a42bb6c2211ef6ebb647394b2b3fa84588
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.13+6"
+  image_picker_linux:
+    dependency: transitive
+    description:
+      name: image_picker_linux
+      sha256: "1f81c5f2046b9ab724f85523e4af65be1d47b038160a8c8deed909762c308ed4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
+  image_picker_macos:
+    dependency: transitive
+    description:
+      name: image_picker_macos
+      sha256: "86f0f15a309de7e1a552c12df9ce5b59fe927e71385329355aec4776c6a8ec91"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2+1"
+  image_picker_platform_interface:
+    dependency: transitive
+    description:
+      name: image_picker_platform_interface
+      sha256: "567e056716333a1647c64bb6bd873cff7622233a5c3f694be28a583d4715690c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.1"
+  image_picker_windows:
+    dependency: transitive
+    description:
+      name: image_picker_windows
+      sha256: d248c86554a72b5495a31c56f060cf73a41c7ff541689327b1a7dbccc33adfae
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      sha256: "1ca20c894b1717686a2319b8548763d812bc0aabdac580420a44c5178c57a867"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.20.3"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: f038e58b4dc2c9037f50e233175086337e0b305e356d28211bf55f21c504cbd3
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  jni_flutter:
+    dependency: transitive
+    description:
+      name: jni_flutter
+      sha256: "7b717011ea40d04fd47c2731d3d1d36eb99eba3435c2753d62489e8c3c9991d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  jni_util:
+    dependency: transitive
+    description:
+      name: jni_util
+      sha256: "1ba86da04a5f2bf18fde2edb235587e70c5b0fc5bd4ba955f46b00942c3fc35f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.2"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.10"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: "12f842a479589fea194fe5c5a3095abc7be0c1f2ddfa9a0e76aed1dbd26a87df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.19"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.0"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  objective_c:
+    dependency: transitive
+    description:
+      name: objective_c
+      sha256: b7fb95a6d9a4f009edd63dc5ac69f07420b23a16161c6dd8660290b59c602e8e
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.5.0"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: ffcf4cf3d6c0b74ac43708d9f56625506e8a68aa935abe9d267a7330f320eb5d
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  path:
+    dependency: "direct main"
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: a7f4874f987173da295a61c181b8ee71dab59b332a486b391babf26a1b884825
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.6"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "69cbd515a62b94d32a7944f086b2f82b4ac40a1d45bebfc00813a430ab2dabcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "2a376b7d6392d80cd3705782d2caa734ca4727776db0b6ec36ef3f1855197699"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: "58c2005f147315b11e9b4a7bc889cd5203e250cba8e3f012dae259b4972b5c16"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "484838772624c3a4b94f1e44a3e19897fee738f2d5c4ce448443b0417f7c9dda"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      sha256: "4e82183fa20e5ca25703ead7e05de9e4cceed1fbd1eadc1ac3cb6f565a09f272"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.5+1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  record_use:
+    dependency: transitive
+    description:
+      name: record_use
+      sha256: "2551bd8eecfe95d14ae75f6021ad0248be5c27f138c2ec12fcb52b500b3ba1ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: c3025c5534b01739267eb7d76959bbc25a6d10f6988e1c2a3036940133dd10bf
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.5"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "0634e64bd719f89c012f392938e173521f535d3ecaf66558fa94a056d22b5cc7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.27"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "4e7eaffc2b17ba398759f1151415869a34771ba11ebbccd1b0145472a619a64f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.6"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "649dc798a33931919ea356c4305c2d1f81619ea6e92244070b520187b5140ef9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: c49bd060261c9a3f0ff445892695d6212ff603ef3115edbb448509d407600019
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.2"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.11"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  uuid:
+    dependency: "direct main"
+    description:
+      name: uuid
+      sha256: "9b129329f58692f6e6578329498a8fe9fbe98f090beb764ffbb8ee2eadd01dcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.6.0"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "0016aef94fc66495ac78af5859181e3f3bf2026bd8eecc72b9565601e19ab360"
+      url: "https://pub.dev"
+    source: hosted
+    version: "15.2.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: d7cb55e04cd34096cd3a79b3330245f54cb96a370a1c27adb3c84b917de8b08e
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.15.0"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.6.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+sdks:
+  dart: ">=3.12.2 <4.0.0"
+  flutter: ">=3.44.0"
--- a/pubspec.yaml
+++ b/pubspec.yaml
@ -0,0 +1,124 @@
+name: fuel_tax_tracker
+description: "A new Flutter project."
+# The following line prevents the package from being accidentally published to
+# pub.dev using `flutter pub publish`. This is preferred for private packages.
+publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+
+# The following defines the version and build number for your application.
+# A version number is three numbers separated by dots, like 1.2.43
+# followed by an optional build number separated by a +.
+# Both the version and the builder number may be overridden in flutter
+# build by specifying --build-name and --build-number, respectively.
+# In Android, build-name is used as versionName while build-number used as versionCode.
+# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
+# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
+# Read more about iOS versioning at
+# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
+# In Windows, build-name is used as the major, minor, and patch parts
+# of the product and file versions while build-number is used as the build suffix.
+version: 1.0.0+1
+
+environment:
+  sdk: ^3.12.2
+
+# Dependencies specify other packages that your package needs in order to work.
+# To automatically upgrade your package dependencies to the latest versions
+# consider running `flutter pub upgrade --major-versions`. Alternatively,
+# dependencies can be manually updated by changing the version numbers below to
+# the latest version available on pub.dev. To see which dependencies have newer
+# versions available, run `flutter pub outdated`.
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^1.0.8
+
+  # State management
+  provider: ^6.1.2
+
+  # Camera capture
+  image_picker: ^1.1.2
+
+  # On-device OCR text recognition
+  google_mlkit_text_recognition: ^0.15.0
+
+  # Directory picker for configurable save location.
+  # Pinned below 11.x: file_picker 11.0.0-11.0.3 skip applying the Kotlin
+  # Gradle plugin under AGP 9+ assuming AGP's built-in Kotlin support covers
+  # it, but that isn't actually wired up yet for library modules in this
+  # Flutter/AGP combo, so FilePickerPlugin.kt never gets compiled. 10.3.11
+  # still compiles against compileSdk 36 (matches flutter.compileSdkVersion,
+  # satisfying flutter_plugin_android_lifecycle's requirement) but applies
+  # its own Kotlin plugin unconditionally, which works. (10.3.11 itself is
+  # retracted on pub.dev, hence pinning to 10.3.10.)
+  file_picker: 10.3.10
+
+  # App sandbox paths (default save location, temp files)
+  path_provider: ^2.1.5
+
+  # Persist small settings like chosen save directory
+  shared_preferences: ^2.3.4
+
+  # Unique IDs for vehicles/fuel entries
+  uuid: ^4.5.1
+
+  # Date formatting
+  intl: ^0.20.2
+
+  # Path joining/manipulation helpers
+  path: ^1.9.0
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+  # The "flutter_lints" package below contains a set of recommended lints to
+  # encourage good coding practices. The lint set provided by the package is
+  # activated in the `analysis_options.yaml` file located at the root of your
+  # package. See that file for information about deactivating specific lint
+  # rules and activating additional ones.
+  flutter_lints: ^6.0.0
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter packages.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  # assets:
+  #   - images/a_dot_burr.jpeg
+  #   - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/to/resolution-aware-images
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.dev/to/asset-from-package
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.dev/to/font-from-package
--- a/test/receipt_parser_test.dart
+++ b/test/receipt_parser_test.dart
@ -0,0 +1,72 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fuel_tax_tracker/services/receipt_parser.dart';
+
+void main() {
+  group('ReceiptParser', () {
+    test('parses a typical gas station receipt', () {
+      const receipt = '''
+        SHELL OIL 12345
+        123 MAIN ST
+        PUMP 04
+        GALLONS       12.345
+        PRICE/GAL     \$3.599
+        FUEL TOTAL    \$44.44
+        THANK YOU
+      ''';
+
+      final result = ReceiptParser.parse(receipt);
+
+      expect(result.gallons, 12.345);
+      expect(result.pricePerGallon, 3.599);
+      expect(result.totalCost, 44.44);
+    });
+
+    test('does not confuse SUBTOTAL with TOTAL', () {
+      const receipt = '''
+        SUBTOTAL 10.00
+        TAX 0.50
+        TOTAL 10.50
+      ''';
+
+      final result = ReceiptParser.parse(receipt);
+
+      expect(result.totalCost, 10.50);
+    });
+
+    test('derives total when gallons and price per gallon are known', () {
+      const receipt = '''
+        GALLONS 10.000
+        PPG 3.500
+      ''';
+
+      final result = ReceiptParser.parse(receipt);
+
+      expect(result.gallons, 10.0);
+      expect(result.pricePerGallon, 3.5);
+      expect(result.totalCost, 35.0);
+    });
+
+    test('derives gallons when total and price per gallon are known', () {
+      const receipt = '''
+        PRICE PER GALLON \$4.000
+        TOTAL \$20.00
+      ''';
+
+      final result = ReceiptParser.parse(receipt);
+
+      expect(result.pricePerGallon, 4.0);
+      expect(result.totalCost, 20.0);
+      expect(result.gallons, 5.0);
+    });
+
+    test('returns nulls when nothing recognizable is present', () {
+      const receipt = 'THANK YOU FOR YOUR PURCHASE';
+
+      final result = ReceiptParser.parse(receipt);
+
+      expect(result.gallons, isNull);
+      expect(result.pricePerGallon, isNull);
+      expect(result.totalCost, isNull);
+    });
+  });
+}
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
+
+import 'package:fuel_tax_tracker/screens/home_screen.dart';
+import 'package:fuel_tax_tracker/services/app_state.dart';
+
+void main() {
+  testWidgets('Shows empty state and add-vehicle action when there are no vehicles',
+      (WidgetTester tester) async {
+    final appState = AppState()..isLoading = false;
+
+    await tester.pumpWidget(
+      ChangeNotifierProvider.value(
+        value: appState,
+        child: const MaterialApp(home: HomeScreen()),
+      ),
+    );
+
+    expect(find.text('My Vehicles'), findsOneWidget);
+    expect(find.text('Add Vehicle'), findsOneWidget);
+    expect(find.textContaining('No vehicles yet'), findsOneWidget);
+  });
+}