Use the dispose() method to reset the global values. Works excellently!! :D

.gitignore

@@ -32,7 +32,6 @@ migrate_working_dir/
 .pub-cache/
 .pub/
 /build/
-
 # Symbolication related
 app.*.symbols
 
@@ -43,3 +42,8 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+/android/app/.*
+
+# Ignore the releases folder.
+releases/*

.metadata

@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: "68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3"
+  revision: "c23637390482d4cf9598c3ce3f2be31aa7332daf"
   channel: "stable"
 
 project_type: app
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: android
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: ios
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: linux
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: macos
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: web
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
     - platform: windows
-      create_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
-      base_revision: 68415ad1d920f6fe5ec284f5c2febf7c4dd5b0b3
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
 
   # User provided section
 

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 me
+Copyright (c) 2025 Hyperling
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

README.md

@@ -1,6 +1,6 @@
-# flutter_expense_tracker
+# Recurring Expense Tracker
 
-Recurring expense tracker app for Android.
+Recurring expense tracker app for Linux and Android.
 
-Add a debit as daily, weekly, monthly, etc, then see how it affects your liquid
-assets based on your reported income over different time projections.
+Add an expense as daily, weekly, monthly, etc, then see how it affects your
+liquid assets based on your reported income over different time projections.

android/app/build.gradle.kts

@@ -0,0 +1,44 @@
+plugins {
+    id("com.android.application")
+    id("kotlin-android")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.hyperling.expense_tracker"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11.toString()
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.hyperling.expense_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")
+        }
+    }
+}
+
+flutter {
+    source = "../.."
+}

android/app/src/main/AndroidManifest.xml

@@ -1,8 +1,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
-        android:label="Recurring Expense Tracker"
+        android:label="Expenses"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/icon_v003"
+        android:roundIcon="@mipmap/icon_v003_round">
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -41,5 +42,10 @@
             <action android:name="android.intent.action.PROCESS_TEXT"/>
             <data android:mimeType="text/plain"/>
         </intent>
+        <!-- Allow opening of web URLs -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
     </queries>
 </manifest>

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

@@ -1,5 +0,0 @@
-package com.example.flutter_empty
-
-import io.flutter.embedding.android.FlutterActivity
-
-class MainActivity: FlutterActivity()

android/app/src/main/kotlin/com/hyperling/expense_tracker/MainActivity.kt

@@ -0,0 +1,5 @@
+package com.hyperling.expense_tracker
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()

android/build.gradle.kts

@@ -0,0 +1,21 @@
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+val newBuildDir: Directory = rootProject.layout.buildDirectory.dir("../../build").get()
+rootProject.layout.buildDirectory.value(newBuildDir)
+
+subprojects {
+    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
+    project.layout.buildDirectory.value(newSubprojectBuildDir)
+}
+subprojects {
+    project.evaluationDependsOn(":app")
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.layout.buildDirectory)
+}

android/settings.gradle.kts

@@ -0,0 +1,25 @@
+pluginManagement {
+    val flutterSdkPath = run {
+        val properties = java.util.Properties()
+        file("local.properties").inputStream().use { properties.load(it) }
+        val flutterSdkPath = properties.getProperty("flutter.sdk")
+        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+        flutterSdkPath
+    }
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+    id("com.android.application") version "8.7.0" apply false
+    id("org.jetbrains.kotlin.android") version "1.8.22" apply false
+}
+
+include(":app")

create_release_files.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+DIR="$(dirname -- "${BASH_SOURCE[0]}")"
+RELEASE_DIR=$DIR/releases
+
+
+echo "*** Prepare for Builds ***"
+cd $DIR
+pwd
+mkdir -pv $RELEASE_DIR
+
+echo "*** Get Version ***"
+grep 'version:' pubspec.yaml | while read v_text v_number; do
+	# Skip any newlines found while grepping.
+	if [[ -z $v_number ]]; then
+		continue
+	fi
+
+	echo "Creating assets for version '$v_number'."
+
+	# Set Up Variables
+	ANDROID_APK="build/app/outputs/flutter-apk/app-release.apk"
+	APK_RENAME="$RELEASE_DIR/ExpenseTracker_$v_number.apk"
+	LINUX_BUNDLE="build/linux/x64/release/bundle"
+	BUNDLE_RENAME="LinuxBundle_$v_number"
+
+	# Build Android App
+	echo -e "\n*** Android APK ***"
+	rm -v "$APK_RENAME"
+	flutter build apk
+	mv -v $ANDROID_APK "$APK_RENAME"
+	ls -sh "$APK_RENAME"
+
+	# Build Linux Project
+	echo -e "\n*** Linux Bundle ***"
+	rm -rv "$RELEASE_DIR/$BUNDLE_RENAME"*
+	flutter build linux
+	mv -v $LINUX_BUNDLE "$RELEASE_DIR/$BUNDLE_RENAME"
+	cd $RELEASE_DIR
+	zip -r $BUNDLE_RENAME.zip $BUNDLE_RENAME
+	rm -rv $BUNDLE_RENAME
+	ls -sh $BUNDLE_RENAME.zip
+
+	# Only one version should be found, but just in case, only use the top one!
+	break
+done

lib/db.dart

@@ -1,45 +1,257 @@
 // https://docs.flutter.dev/cookbook/persistence/sqlite
 
 // SQLite
+import 'dart:io';
 import 'dart:async';
-import 'package:flutter/widgets.dart';
-import 'package:flutter_expense_tracker/models/frequency.dart';
+import 'package:flutter/material.dart';
 import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:sqflite/sqflite.dart';
 
 // Local
+import "/globals.dart";
 import '/models/expense.dart';
+import '/models/income.dart';
+import '/models/asset.dart';
+import '/models/tracked_item.dart';
 
-void loadDB() async {
-  // Avoid errors caused by flutter upgrade.
-  WidgetsFlutterBinding.ensureInitialized();
+// Leaned on this example:
+//   https://learnflutterwithme.com/sqlite
+class DatabaseHelper {
+  DatabaseHelper._privateConstructor();
+  static final DatabaseHelper instance = DatabaseHelper._privateConstructor();
 
-  final String frequencies =
-      "'${Frequency.values.map((freq) => freq.title).join("','")}'";
-  print(frequencies);
+  static Database? _db;
+  Future<Database> get db async => _db ??= await _initDatabase();
 
-  // Open the database and store the reference.
-  final database = openDatabase(
-    // Set the path to the database. Note: Using the `join` function from the
-    // `path` package is best practice to ensure the path is correctly
-    // constructed for each platform.
-    join(await getDatabasesPath(), 'expense_tracker.db'),
-
-    onCreate: (db, version) {
-      // Run the CREATE TABLE statement on the database.
-      return db.execute(
-        """
-        CREATE TABLE expense
-          ( id INTEGER PRIMARY KEY
-          , name TEXT
-          , cost DOUBLE
-          , frequency TEXT CHECK(frequency IN ($frequencies) )
-          , description TEXT
-        )""",
-      );
-    },
-    // Set the version. This executes the onCreate function and provides a
-    // path to perform database upgrades and downgrades.
-    version: 1,
+  Future<Database> _initDatabase() async {
+    Directory documentsDirectory = await getApplicationDocumentsDirectory();
+    String path = join(documentsDirectory.path, "ExpenseTracker.sqlite.db");
+    return await openDatabase(
+      path,
+      version: 2,
+      onCreate: _onCreate,
+      onUpgrade: _onUpgrade,
     );
   }
+
+  Future _onCreate(Database db, int version) async {
+    debugPrint(
+      "_onCreate(): version=$version",
+    );
+    _createExpense(db);
+    _createIncome(db);
+    _createAsset(db);
+  }
+
+  Future _onUpgrade(Database db, int previousVersion, int newVersion) async {
+    debugPrint(
+      "_onUpgrade(): previousVersion=$previousVersion, newVersion=$newVersion",
+    );
+    // Added in DB version 2.
+    if (previousVersion < 2 && newVersion >= 2) {
+      _createIncome(db);
+      _createAsset(db);
+    }
+  }
+
+  void _createExpense(Database db) async {
+    await db.execute("""
+      CREATE TABLE expense
+        ( id INTEGER PRIMARY KEY
+        , name TEXT NOT NULL UNIQUE
+        , cost DOUBLE NOT NULL
+        , frequency TEXT NOT NULL
+        , description TEXT
+      )""");
+  }
+
+  void _createIncome(Database db) async {
+    await db.execute("""
+      CREATE TABLE income
+        ( id INTEGER PRIMARY KEY
+        , name TEXT NOT NULL UNIQUE
+        , revenue DOUBLE NOT NULL
+        , frequency TEXT NOT NULL
+        , description TEXT
+      )""");
+  }
+
+  void _createAsset(Database db) async {
+    await db.execute("""
+      CREATE TABLE asset
+        ( id INTEGER PRIMARY KEY
+        , name TEXT NOT NULL UNIQUE
+        , amount DOUBLE NOT NULL
+        , description TEXT
+      )""");
+  }
+
+  /// Expense Section
+  ///
+  Future<List<Expense>> getExpenses() async {
+    if (testing) debugPrint("getExpenses(): Accessing db.");
+    Database db = await instance.db;
+
+    if (testing) debugPrint("getExpenses(): Querying table.");
+    var expenses = await db.query("expense", orderBy: "name");
+
+    if (testing) debugPrint("getExpenses(): Putting into object list.");
+    List<Expense> expenseList = expenses.isNotEmpty
+        ? expenses.map((c) => Expense.fromMap(c)).toList()
+        : [];
+
+    if (testing) debugPrint("getExpenses(): Returning!");
+    return expenseList;
+  }
+
+  Future<int> addExpense(TrackedItem expense) async {
+    Database db = await instance.db;
+    return await db.insert(
+      "expense",
+      expense.toMap(),
+    );
+  }
+
+  Future<int> removeExpense(int id) async {
+    Database db = await instance.db;
+    return await db.delete(
+      "expense",
+      where: "id = ?",
+      whereArgs: [id],
+    );
+  }
+
+  Future<int> updateExpense(TrackedItem expense) async {
+    Database db = await instance.db;
+    return await db.update(
+      "expense",
+      expense.toMap(),
+      where: "id = ?",
+      whereArgs: [expense.id],
+    );
+  }
+
+  Future<bool> checkExpenseNameExists(String name) async {
+    Database db = await instance.db;
+    var expenses = await db.query(
+      "expense",
+      where: "name = ?",
+      whereArgs: [name],
+    );
+    return expenses.isNotEmpty;
+  }
+
+  ///
+
+  /// Income Section
+  ///
+  Future<List<Income>> getIncomes() async {
+    if (testing) debugPrint("getIncomes(): Accessing db.");
+    Database db = await instance.db;
+
+    if (testing) debugPrint("getIncomes(): Querying table.");
+    var incomes = await db.query("income", orderBy: "name");
+
+    if (testing) debugPrint("getIncomes(): Putting into object list.");
+    List<Income> incomeList = incomes.isNotEmpty
+        ? incomes.map((c) => Income.fromMap(c)).toList()
+        : [];
+
+    if (testing) debugPrint("getIncomes(): Returning!");
+    return incomeList;
+  }
+
+  Future<int> addIncome(TrackedItem income) async {
+    Database db = await instance.db;
+    return await db.insert(
+      "income",
+      income.toMap(),
+    );
+  }
+
+  Future<int> removeIncome(int id) async {
+    Database db = await instance.db;
+    return await db.delete(
+      "income",
+      where: "id = ?",
+      whereArgs: [id],
+    );
+  }
+
+  Future<int> updateIncome(TrackedItem income) async {
+    Database db = await instance.db;
+    return await db.update(
+      "income",
+      income.toMap(),
+      where: "id = ?",
+      whereArgs: [income.id],
+    );
+  }
+
+  Future<bool> checkIncomeNameExists(String name) async {
+    Database db = await instance.db;
+    var incomes = await db.query(
+      "income",
+      where: "name = ?",
+      whereArgs: [name],
+    );
+    return incomes.isNotEmpty;
+  }
+
+  ///
+  /// Liquid Asset Section
+  Future<List<Asset>> getAssets() async {
+    if (testing) debugPrint("getAssets(): Accessing db.");
+    Database db = await instance.db;
+
+    if (testing) debugPrint("getAssets(): Querying table.");
+    var assets = await db.query("asset", orderBy: "name");
+
+    if (testing) debugPrint("getAssets(): Putting into object list.");
+    List<Asset> assetList =
+        assets.isNotEmpty ? assets.map((c) => Asset.fromMap(c)).toList() : [];
+
+    if (testing) debugPrint("getAssets(): Returning!");
+    return assetList;
+  }
+
+  Future<int> addAsset(TrackedItem asset) async {
+    Database db = await instance.db;
+    return await db.insert(
+      "asset",
+      asset.toMap(),
+    );
+  }
+
+  Future<int> removeAsset(int id) async {
+    Database db = await instance.db;
+    return await db.delete(
+      "asset",
+      where: "id = ?",
+      whereArgs: [id],
+    );
+  }
+
+  Future<int> updateAsset(TrackedItem asset) async {
+    Database db = await instance.db;
+    return await db.update(
+      "asset",
+      asset.toMap(),
+      where: "id = ?",
+      whereArgs: [asset.id],
+    );
+  }
+
+  Future<bool> checkAssetNameExists(String name) async {
+    Database db = await instance.db;
+    var assets = await db.query(
+      "asset",
+      where: "name = ?",
+      whereArgs: [name],
+    );
+    return assets.isNotEmpty;
+  }
+
+  ///
+}

lib/globals.dart

@@ -0,0 +1 @@
+const bool testing = false;

lib/main.dart

@@ -2,16 +2,36 @@
 import 'package:flutter/material.dart';
 
 // Local
-import '/pages/expense.dart';
-import '/pages/income.dart';
-import '/pages/asset.dart';
-import '/pages/report.dart';
-import '/pages/settings.dart';
-import '/pages/help.dart';
-import '/db.dart';
+import '/globals.dart';
+import '/pages/home.dart';
+
+// SQLite
+import 'dart:io';
+import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
 
 void main() {
-  loadDB();
+  // I see no good explanations of why to use this other package yet, but
+  // trying this to see if it fixes the DB factory errors.
+  // "Unhandled Exception: Bad state: databaseFactory not initialized databaseFactory is only initialized when using sqflite. When using `sqflite_common_ffi`You must call `databaseFactory = databaseFactoryFfi;` before using global openDatabase API
+  //   https://stackoverflow.com/questions/76158800/databasefactory-not-initialized-when-using-sqflite-in-flutter
+  if (Platform.isWindows || Platform.isLinux) {
+    // Initialize FFI
+    sqfliteFfiInit();
+    databaseFactory = databaseFactoryFfi;
+  }
+  WidgetsFlutterBinding.ensureInitialized();
+
+  // Remove the DB and recreate it to test the Database Helper multiple times.
+  if (testing) {
+    () async {
+      Directory documentsDirectory = await getApplicationDocumentsDirectory();
+      String path = join(documentsDirectory.path, 'ExpenseTracker.sqlite.db');
+      await deleteDatabase(path);
+    }();
+  }
+
   runApp(const MainApp());
 }
 
@@ -36,110 +56,3 @@ class MainApp extends StatelessWidget {
     );
   }
 }
-
-class HomePage extends StatefulWidget {
-  const HomePage({
-    super.key,
-  });
-
-  @override
-  State<HomePage> createState() => _HomePageState();
-}
-
-class _HomePageState extends State<HomePage> {
-  var pageSelected = 0;
-
-  refresh() {
-    setState(() {});
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    Widget page;
-    Widget? dialog;
-    switch (pageSelected) {
-      case 0:
-        page = ExpensePage();
-        dialog = ExpenseInputDialog(
-          notifyParent: refresh,
-        );
-      case 1:
-        page = IncomePage();
-      case 2:
-        page = AssetPage();
-      case 3:
-        page = ProjectionPage();
-      case 4:
-        page = SettingsPage();
-      case 5:
-        page = HelpPage();
-      default:
-        throw UnimplementedError('No widget for page $pageSelected yet!');
-    }
-
-    Future<void> addNewValue(BuildContext context) {
-      return showDialog(
-        context: context,
-        builder: (_) => AlertDialog(content: dialog),
-      );
-    }
-
-    Widget? floatingButton;
-    if (dialog != null) {
-      floatingButton = IconButton(
-        onPressed: () {
-          addNewValue(context);
-        },
-        icon: Icon(Icons.add),
-        color: Theme.of(context).colorScheme.onSurface,
-      );
-    }
-
-    return LayoutBuilder(builder: (context, constraints) {
-      return Scaffold(
-        appBar: AppBar(title: Text("Expense Tracker")),
-        drawer: NavigationRail(
-          extended: true,
-          destinations: [
-            NavigationRailDestination(
-              icon: Icon(Icons.payment),
-              label: Text('Expenses'),
-            ),
-            NavigationRailDestination(
-              icon: Icon(Icons.account_balance),
-              label: Text('Income'),
-            ),
-            NavigationRailDestination(
-              icon: Icon(Icons.attach_money),
-              label: Text('Liquid Assets'),
-            ),
-            NavigationRailDestination(
-              icon: Icon(Icons.bar_chart),
-              label: Text('Reports'),
-            ),
-            NavigationRailDestination(
-              icon: Icon(Icons.settings),
-              label: Text('Settings'),
-            ),
-            NavigationRailDestination(
-              icon: Icon(Icons.help),
-              label: Text('Help'),
-            ),
-          ],
-          selectedIndex: pageSelected,
-          onDestinationSelected: (value) {
-            setState(() {
-              pageSelected = value;
-              Navigator.pop(context);
-            });
-          },
-        ),
-        body: Container(
-          color: Theme.of(context).colorScheme.primaryContainer,
-          child: Center(child: page),
-        ),
-        floatingActionButton: floatingButton,
-      );
-    });
-  }
-}

lib/models/asset.dart

@@ -0,0 +1,22 @@
+// Local
+import '/models/item_type.dart';
+import '/models/tracked_item.dart';
+
+class Asset extends TrackedItem {
+  static String amountText = "Amount";
+
+  Asset({
+    super.id,
+    super.type = ItemType.asset,
+    required super.name,
+    required super.amount,
+    required super.description,
+  });
+
+  factory Asset.fromMap(Map<String, dynamic> json) => Asset(
+        id: json['id'],
+        name: json['name'],
+        amount: json['amount'],
+        description: json['description'],
+      );
+}

lib/models/database_backup.dart

@@ -0,0 +1,57 @@
+// Local
+import '/models/expense.dart';
+import '/models/income.dart';
+import '/models/asset.dart';
+import '/db.dart';
+
+/// TODO:
+/// - Test the JSON data to ensure it's formed properly.
+/// - Enable the functions for income and assets once they are implemented.
+/// - Create a method (factory?) to load JSON data and delete/insert the data.
+
+class DatabaseBackup {
+  List<Expense> expenseTable = [];
+  List<Income> incomeTable = [];
+  List<Asset> assetTable = [];
+
+  void loadTables() async {
+    expenseTable = await DatabaseHelper.instance.getExpenses();
+    //incomeTable = await DatabaseHelper.instance.getIncomes();
+    //assetTable = await DatabaseHelper.instance.getAssets();
+  }
+
+  Map<String, dynamic> toMap() {
+    loadTables(); // TODO: Do we somehow need to wait for this to finish?
+    return {
+      'expense_table': [
+        for (Expense e in expenseTable)
+          {
+            'id': e.id,
+            'name': e.name,
+            'cost': e.amount,
+            'frequency': e.frequency!.title,
+            'description': e.description,
+          },
+      ],
+      'income_table': [
+        for (Income i in incomeTable)
+          {
+            'id': i.id,
+            'name': i.name,
+            'revenue': i.amount,
+            'frequency': i.frequency!.title,
+            'description': i.description,
+          },
+      ],
+      'asset_table': [
+        for (Asset a in assetTable)
+          {
+            'id': a.id,
+            'name': a.name,
+            'amount': a.amount,
+            'description': a.description,
+          },
+      ],
+    };
+  }
+}

lib/models/expense.dart

@@ -1,27 +1,39 @@
+// Local
+import '/models/item_type.dart';
+
+import '/models/tracked_item.dart';
 import '/models/frequency.dart';
 
-class Expense {
-  final String name;
-  final double cost;
-  final Frequency frequency;
-  final String description;
+class Expense extends TrackedItem {
+  static String amountText = "Cost";
 
-  const Expense(
-      {required this.name,
-      required this.cost,
-      required this.frequency,
-      required this.description});
+  Expense({
+    super.id,
+    super.type = ItemType.expense,
+    required super.name,
+    required super.amount,
+    required super.frequency,
+    required super.description,
+  });
+
+  factory Expense.fromMap(Map<String, dynamic> json) => Expense(
+        id: json['id'],
+        name: json['name'],
+        amount: json['cost'],
+        frequency: Frequency.values
+            .where((freq) => freq.title == json['frequency'])
+            .first,
+        description: json['description'],
+      );
 
   @override
-  String toString() {
-    return "$name, $cost, ${frequency.title}, $description";
-  }
-
-  double calcComparableCost() {
-    return cost * frequency.timesPerYear;
-  }
-
-  double calcComparableCostDaily() {
-    return cost / frequency.numDays;
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'name': name,
+      'cost': amount,
+      'frequency': frequency!.title,
+      'description': description,
+    };
   }
 }

lib/models/income.dart

@@ -0,0 +1,38 @@
+// Local
+import '/models/tracked_item.dart';
+import '/models/frequency.dart';
+import '/models/item_type.dart';
+
+class Income extends TrackedItem {
+  static String amountText = "Revenue";
+
+  Income({
+    super.id,
+    super.type = ItemType.income,
+    required super.name,
+    required super.amount,
+    required super.frequency,
+    required super.description,
+  });
+
+  factory Income.fromMap(Map<String, dynamic> json) => Income(
+        id: json['id'],
+        name: json['name'],
+        amount: json['revenue'],
+        frequency: Frequency.values
+            .where((freq) => freq.title == json['frequency'])
+            .first,
+        description: json['description'],
+      );
+
+  @override
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'name': name,
+      'revenue': amount,
+      'frequency': frequency!.title,
+      'description': description,
+    };
+  }
+}

lib/models/item_type.dart

@@ -0,0 +1,22 @@
+enum ItemType {
+  expense(
+    title: "Expense",
+    plural: "Expenses",
+  ),
+  income(
+    title: "Income",
+    plural: "Incomes",
+  ),
+  asset(
+    title: "Asset",
+    plural: "Assets",
+  );
+
+  const ItemType({
+    required this.title,
+    required this.plural,
+  });
+
+  final String title;
+  final String plural;
+}

lib/models/tracked_item.dart

@@ -0,0 +1,55 @@
+// Local
+import '/models/item_type.dart';
+
+import '/models/frequency.dart';
+
+abstract class TrackedItem {
+  int? id;
+  ItemType? type;
+  String name;
+  double amount;
+  Frequency? frequency;
+  String description;
+
+  TrackedItem({
+    this.id,
+    this.type,
+    required this.name,
+    required this.amount,
+    this.frequency,
+    required this.description,
+  });
+
+  static String amountText = "Amount";
+  String getAmountText() => amountText;
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+
+  double calcComparableAmountYearly() {
+    return frequency == null ? 0 : amount * frequency!.timesPerYear;
+  }
+
+  double calcComparableAmountDaily() {
+    return frequency == null ? 0 : amount / frequency!.numDays;
+  }
+
+  Map<String, dynamic> toMap() {
+    return frequency == null
+        ? {
+            'id': id,
+            'name': name,
+            'amount': amount,
+            'description': description,
+          }
+        : {
+            'id': id,
+            'name': name,
+            'amount': amount,
+            'frequency': frequency!.title,
+            'description': description,
+          };
+  }
+}

lib/pages/asset.dart

@@ -1,12 +0,0 @@
-import 'package:flutter/material.dart';
-
-class AssetPage extends StatelessWidget {
-  const AssetPage({
-    super.key,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Placeholder();
-  }
-}

lib/pages/expense.dart

@@ -1,365 +0,0 @@
-// Flutter
-import 'package:flutter/material.dart';
-
-// Local
-import '/models/expense.dart';
-import '/models/frequency.dart';
-
-List<Expense> expenses = [];
-
-class ExpensePage extends StatefulWidget {
-  const ExpensePage({
-    super.key,
-  });
-
-  @override
-  State<ExpensePage> createState() => _ExpensePageState();
-}
-
-class _ExpensePageState extends State<ExpensePage> {
-  refresh() {
-    setState(() {});
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-
-    expenses.sort(
-      (a, b) => (b.calcComparableCost() - a.calcComparableCost()).toInt(),
-    );
-
-    return expenses.isEmpty
-        ? Text("Add expenses to get started!")
-        : ListView.builder(
-            itemCount: expenses.length,
-            itemBuilder: (_, index) {
-              final Expense curr = expenses[index];
-              final String estimateSymbolYearly = curr.frequency.timesPerYear
-                          .toStringAsFixed(2)
-                          .endsWith(".00") &&
-                      curr.calcComparableCost().toStringAsFixed(3).endsWith("0")
-                  ? ""
-                  : "~";
-              final String estimateSymbolDaily =
-                  curr.frequency.numDays.toStringAsFixed(2).endsWith(".00") &&
-                          curr
-                              .calcComparableCostDaily()
-                              .toStringAsFixed(3)
-                              .endsWith("0")
-                      ? ""
-                      : "~";
-              return Padding(
-                padding: const EdgeInsets.all(4.0),
-                child: Dismissible(
-                  key: Key(curr.toString()),
-                  background: Container(
-                    color: Colors.red,
-                    child: Row(
-                      mainAxisAlignment: MainAxisAlignment.start,
-                      children: [
-                        Icon(Icons.delete),
-                        Text("Delete"),
-                      ],
-                    ),
-                  ),
-                  secondaryBackground: Container(
-                    color: Colors.orange,
-                    child: Row(
-                      mainAxisAlignment: MainAxisAlignment.end,
-                      children: [
-                        Text("Edit"),
-                        Icon(Icons.edit),
-                      ],
-                    ),
-                  ),
-                  onDismissed: (direction) {
-                    setState(() {
-                      expenses.remove(curr);
-                    });
-                    switch (direction) {
-                      case DismissDirection.startToEnd:
-                        // Only remove the item from the list.
-                        break;
-                      case DismissDirection.endToStart:
-                        // Open an edit dialog, then remove the item from the list.
-                        showDialog(
-                          context: context,
-                          builder: (_) => AlertDialog(
-                            content: ExpenseInputDialog(
-                              notifyParent: refresh,
-                              expense: curr,
-                            ),
-                          ),
-                        );
-                        break;
-                      default:
-                        UnimplementedError(
-                          "Direction ${direction.toString()} not recognized.",
-                        );
-                    }
-                  },
-                  child: Container(
-                    decoration: BoxDecoration(
-                      borderRadius: BorderRadius.circular(4),
-                      color: theme.colorScheme.onPrimary,
-                    ),
-                    child: Padding(
-                      padding: const EdgeInsets.all(4.0),
-                      child: Row(
-                        mainAxisSize: MainAxisSize.max,
-                        children: [
-                          Column(
-                            mainAxisSize: MainAxisSize.min,
-                            crossAxisAlignment: CrossAxisAlignment.start,
-                            children: [
-                              Text(
-                                curr.name,
-                                style: TextStyle(fontSize: 20.0),
-                              ),
-                              Text(
-                                "${curr.cost.toStringAsFixed(2)} ${curr.frequency.title}",
-                                style: TextStyle(fontSize: 12.0),
-                              ),
-                            ],
-                          ),
-                          Expanded(
-                            child: Center(
-                              child: Text(
-                                curr.description,
-                                style: TextStyle(
-                                  fontSize: 12.0,
-                                ),
-                                softWrap: true,
-                                textAlign: TextAlign.center,
-                              ),
-                            ),
-                          ),
-                          Column(
-                            crossAxisAlignment: CrossAxisAlignment.end,
-                            children: [
-                              //if (curr.frequency != Frequency.daily)
-                              Text(
-                                "$estimateSymbolDaily${curr.calcComparableCostDaily().toStringAsFixed(2)} ${Frequency.daily.title}",
-                                style: TextStyle(fontSize: 12.0),
-                              ),
-                              //if (curr.frequency != Frequency.yearly)
-                              Text(
-                                "$estimateSymbolYearly${curr.calcComparableCost().toStringAsFixed(2)} ${Frequency.yearly.title}",
-                                style: TextStyle(fontSize: 12.0),
-                              ),
-                            ],
-                          ),
-                        ],
-                      ),
-                    ),
-                  ),
-                ),
-              );
-            },
-          );
-  }
-}
-
-class ExpenseInputDialog extends StatefulWidget {
-  final Function() notifyParent;
-  final Expense? expense;
-
-  const ExpenseInputDialog({
-    super.key,
-    required this.notifyParent,
-    this.expense,
-  });
-
-  @override
-  State<ExpenseInputDialog> createState() => _ExpenseInputDialogState();
-}
-
-class _ExpenseInputDialogState extends State<ExpenseInputDialog> {
-  final _expenseFormKey = GlobalKey<FormState>();
-
-  String _name = "";
-  double _cost = 0;
-  Frequency _freq = Frequency.monthly;
-  String _desc = "";
-
-  @override
-  Widget build(BuildContext context) {
-    if (widget.expense != null) {
-      _name = widget.expense!.name;
-      _cost = widget.expense!.cost;
-      _freq = widget.expense!.frequency;
-      _desc = widget.expense!.description;
-    }
-
-    return Column(
-      // prevent AlertDialog from taking full vertical height.
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        Container(
-          alignment: FractionalOffset.topRight,
-          child: IconButton(
-            onPressed: () {
-              if (widget.expense != null) {
-                setState(() {
-                  expenses.add(widget.expense!);
-                  widget.notifyParent();
-                });
-              }
-              Navigator.of(context).pop();
-            },
-            icon: Icon(Icons.clear),
-          ),
-        ),
-        AlertDialog(
-          insetPadding: EdgeInsets.all(0),
-          title: Center(
-            child: widget.expense == null
-                ? Text("New Expense")
-                : Text("Edit Expense"),
-          ),
-          content: Form(
-            key: _expenseFormKey,
-            child: Column(
-              mainAxisSize: MainAxisSize.min,
-              children: [
-                TextFormField(
-                  keyboardType: TextInputType.text,
-                  textCapitalization: TextCapitalization.words,
-                  decoration: InputDecoration(
-                    labelText: "Name",
-                    hintText: "Example: Red Pocket",
-                    hintStyle: TextStyle(fontSize: 10.0),
-                    errorStyle: TextStyle(fontSize: 10.0),
-                  ),
-                  initialValue: _name,
-                  validator: (value) {
-                    if (value!.isEmpty) {
-                      return "Name must be provided.";
-                    }
-                    if (!expenses.every((expense) => expense.name != value)) {
-                      return "Name must be unique, already in use.";
-                    }
-                    return null;
-                  },
-                  onSaved: (value) {
-                    _name = value!;
-                  },
-                ),
-                TextFormField(
-                  keyboardType: TextInputType.numberWithOptions(decimal: true),
-                  decoration: InputDecoration(
-                    labelText: "Cost",
-                    hintText: "Example: 10.00",
-                    hintStyle: TextStyle(fontSize: 10.0),
-                    errorStyle: TextStyle(fontSize: 10.0),
-                  ),
-                  initialValue: _cost != 0 ? _cost.toString() : "",
-                  validator: (value) {
-                    if (value == null || value.isEmpty) {
-                      return "Cost must be provided.";
-                    }
-                    if (double.parse(value) < 0) {
-                      return "Please use the Income page rather than having negative expenses.";
-                    }
-                    if (double.parse(value) < 0.01) {
-                      return "Cost must be one hundreth (0.01) or higher.";
-                    }
-                    if (double.tryParse(value) == null) {
-                      return "Cost must be a valid number.";
-                    }
-                    return null;
-                  },
-                  onSaved: (value) {
-                    _cost = double.parse(value!);
-                  },
-                ),
-                DropdownButtonFormField(
-                  items: Frequency.values
-                      .map(
-                        (freq) => DropdownMenuItem(
-                          value: freq,
-                          child: Row(
-                            children: [
-                              Text(
-                                freq.title,
-                              ),
-                              Padding(
-                                padding: EdgeInsets.all(1.0),
-                                child: Text(
-                                  " (${freq.hint})",
-                                  style: TextStyle(fontSize: 10.0),
-                                ),
-                              ),
-                            ],
-                          ),
-                        ),
-                      )
-                      .toList(),
-                  value: _freq,
-                  decoration: InputDecoration(
-                    labelText: "Frequency",
-                    errorStyle: TextStyle(fontSize: 10.0),
-                  ),
-                  validator: (value) {
-                    if (value == null) {
-                      return "Frequency must be provided.";
-                    }
-                    if (!Frequency.values.contains(value)) {
-                      return "Value not valid.";
-                    }
-                    return null;
-                  },
-                  onChanged: (value) {
-                    _freq = value!;
-                  },
-                ),
-                TextFormField(
-                  keyboardType: TextInputType.text,
-                  textCapitalization: TextCapitalization.sentences,
-                  decoration: InputDecoration(
-                    labelText: "Description",
-                    hintText: "Example: 1GB data with unlimited talk & text.",
-                    hintStyle: TextStyle(fontSize: 8.0),
-                    errorStyle: TextStyle(fontSize: 10.0),
-                  ),
-                  initialValue: _desc,
-                  validator: (value) {
-                    return null;
-                  },
-                  onSaved: (value) {
-                    _desc = value!;
-                  },
-                ),
-              ],
-            ),
-          ),
-          actions: [
-            Center(
-              child: ElevatedButton.icon(
-                onPressed: () {
-                  if (_expenseFormKey.currentState!.validate()) {
-                    _expenseFormKey.currentState!.save();
-                    setState(() {
-                      expenses.add(
-                        Expense(
-                            name: _name,
-                            cost: _cost,
-                            frequency: _freq,
-                            description: _desc),
-                      );
-                    });
-                    widget.notifyParent();
-                    Navigator.of(context).pop();
-                  }
-                },
-                icon: Icon(Icons.save),
-                label: Text('Submit'),
-              ),
-            )
-          ],
-        ),
-      ],
-    );
-  }
-}

lib/pages/help.dart

@@ -1,4 +1,21 @@
+// Flutter
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher_string.dart';
+
+_launchSite(String url) async {
+  try {
+    if (await canLaunchUrlString(url)) {
+      await launchUrlString(
+        url,
+        mode: LaunchMode.externalApplication,
+      );
+    } else {
+      throw "System does not think it can launch '$url'.";
+    }
+  } on Exception catch (e) {
+    throw e.toString();
+  }
+}
 
 class HelpPage extends StatelessWidget {
   const HelpPage({
@@ -21,9 +38,24 @@ class HelpPage extends StatelessWidget {
               ),
               child: Column(
                 children: [
-                  Text("This app is meant to be a simple budgeting tool,"
-                      " allowing you to view your income and expenses at a high level"
-                      " without micro managing specific budget items or adding receipts."),
+                  Text(
+                    "\t\t This app is meant to be a simple budgeting tool,"
+                    " allowing you to view your income and expenses at a high"
+                    " level without micro managing specific budget items or"
+                    " adding receipts.",
+                  ),
+                  Text(
+                    "\n\t\t Tracked items can be swiped left to right for ,"
+                    " Deletion or right to left for Editing. Items are sorted"
+                    " from highest to lowest so that the biggest impacts are"
+                    " always in view.",
+                  ),
+                  Text(
+                    "\n\t\t To subscribe to app updates, install the Obtanium"
+                    " app, then use the URL from the Source Code button below."
+                    " Otherwise the app needs installed manually by downloading"
+                    " APKs from the Source Code /releases/ page.",
+                  ),
                   //Text("Another paragraph.")
                 ],
               ),
@@ -41,9 +73,13 @@ class HelpPage extends StatelessWidget {
                     color: theme.colorScheme.onPrimary,
                   ),
                   child: TextButton.icon(
-                    onPressed: () {},
+                    onPressed: () {
+                      _launchSite(
+                        "https://git.hyperling.com/me/flutter-expense-tracker",
+                      );
+                    },
                     icon: Icon(Icons.code),
-                    label: Text("Code Repository"),
+                    label: Text("Source Code"),
                   ),
                 ),
               ),
@@ -57,7 +93,11 @@ class HelpPage extends StatelessWidget {
                     color: theme.colorScheme.onPrimary,
                   ),
                   child: TextButton.icon(
-                    onPressed: () {},
+                    onPressed: () {
+                      _launchSite(
+                        "https://hyperling.com",
+                      );
+                    },
                     icon: Icon(Icons.web_asset),
                     label: Text("Personal Website"),
                   ),

lib/pages/home.dart

@@ -0,0 +1,168 @@
+// Flutter
+import 'package:flutter/material.dart';
+import '/models/item_type.dart';
+import 'dart:io';
+
+// Local
+import '/pages/tracked_item.dart';
+import '/pages/report.dart';
+import '/pages/settings.dart';
+import '/pages/help.dart';
+import '/db.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({
+    super.key,
+  });
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  var pageSelected = 0;
+
+  refresh() {
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    Widget page;
+    Widget? dialog;
+    switch (pageSelected) {
+      case 0:
+        page = TrackedItemPage(
+          assetsToLoad: DatabaseHelper.instance.getExpenses(),
+          notifyParent: refresh,
+        );
+        dialog = TrackedItemInputDialog(
+          notifyParent: refresh,
+          type: ItemType.expense,
+        );
+        break;
+      case 1:
+        page = TrackedItemPage(
+          assetsToLoad: DatabaseHelper.instance.getIncomes(),
+          notifyParent: refresh,
+        );
+        dialog = TrackedItemInputDialog(
+          notifyParent: refresh,
+          type: ItemType.income,
+        );
+        break;
+      case 2:
+        page = TrackedItemPage(
+          assetsToLoad: DatabaseHelper.instance.getAssets(),
+          notifyParent: refresh,
+        );
+        dialog = TrackedItemInputDialog(
+          notifyParent: refresh,
+          type: ItemType.asset,
+        );
+        break;
+      case 3:
+        page = ProjectionPage();
+        break;
+      case 4:
+        page = SettingsPage();
+        break;
+      case 5:
+        page = HelpPage();
+        break;
+      default:
+        throw UnimplementedError('No widget for page $pageSelected yet!');
+    }
+
+    Future<void> addNewValue(BuildContext context) {
+      return showDialog(
+        context: context,
+        builder: (_) => AlertDialog(content: dialog),
+      );
+    }
+
+    Widget? floatingButton;
+    if (dialog != null) {
+      floatingButton = IconButton(
+        onPressed: () {
+          addNewValue(context);
+        },
+        icon: Icon(Icons.add),
+        color: Theme.of(context).colorScheme.onSurface,
+      );
+    }
+
+    Widget navigation = NavigationRail(
+      extended: true,
+      destinations: [
+        NavigationRailDestination(
+          icon: Icon(Icons.payment),
+          label: Text('Expenses'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.account_balance),
+          label: Text('Income'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.attach_money),
+          label: Text('Liquid Assets'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.bar_chart),
+          label: Text('Reports'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.settings),
+          label: Text('Settings'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.help),
+          label: Text('Help'),
+        ),
+      ],
+      selectedIndex: pageSelected,
+      onDestinationSelected: (value) {
+        setState(() {
+          pageSelected = value;
+          if (Platform.isAndroid || Platform.isIOS) {
+            Navigator.pop(context);
+          }
+        });
+      },
+    );
+
+    Widget main = Container(
+      color: Theme.of(context).colorScheme.primaryContainer,
+      child: Center(child: page),
+    );
+
+    Widget? drawer;
+    Widget body;
+    if (Platform.isAndroid || Platform.isIOS) {
+      drawer = navigation;
+      body = SafeArea(child: main);
+    } else {
+      drawer = null;
+      body = Row(
+        children: [
+          SafeArea(child: navigation),
+          Expanded(child: main),
+        ],
+      );
+    }
+
+    return LayoutBuilder(builder: (context, constraints) {
+      return Scaffold(
+        appBar: AppBar(
+          title: Text("Expense Tracker"),
+        ),
+        drawer: drawer,
+        body: body,
+        floatingActionButton: floatingButton,
+        extendBody: false,
+        extendBodyBehindAppBar: false,
+        resizeToAvoidBottomInset: true,
+      );
+    });
+  }
+}

lib/pages/income.dart

@@ -1,12 +0,0 @@
-import 'package:flutter/material.dart';
-
-class IncomePage extends StatelessWidget {
-  const IncomePage({
-    super.key,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Placeholder();
-  }
-}

lib/pages/report.dart

@@ -1,12 +1,254 @@
-import 'package:flutter/material.dart';
+// Flutter
+import 'dart:async';
 
-class ProjectionPage extends StatelessWidget {
+import 'package:flutter/material.dart';
+import '/models/item_type.dart';
+
+// Local
+import '/db.dart';
+import '/widgets/cards.dart';
+import '/models/tracked_item.dart';
+
+/// TODO:
+/// - Projected Assets:
+///   - Allow customization?
+///   - Fix bug where editing an item does not reflect immediately when returning to Reports page.
+///     - Currently reflects after going back to Reports the 2nd time.
+
+double _assetTotal = -1,
+    _expenseMonthly = -1,
+    _expenseYearly = -1,
+    _incomeMonthly = -1,
+    _incomeYearly = -1;
+
+class ProjectionPage extends StatefulWidget {
   const ProjectionPage({
     super.key,
   });
 
+  @override
+  State<ProjectionPage> createState() => _ProjectionPageState();
+}
+
+class _ProjectionPageState extends State<ProjectionPage> {
+  bool _showProjections = true;
+
+  @override
+  void dispose() {
+    _assetTotal = -2;
+    _expenseMonthly = -2;
+    _expenseYearly = -2;
+    _incomeMonthly = -2;
+    _incomeYearly = -2;
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Placeholder();
+    // Summaries for display as well as calculation of totals for projections.
+    Widget expenseSummary = SummaryCardForTotals(
+      list: DatabaseHelper.instance.getExpenses(),
+      summaryTypeLabel: ItemType.expense.title,
+    );
+    Widget incomeSummary = SummaryCardForTotals(
+      list: DatabaseHelper.instance.getIncomes(),
+      summaryTypeLabel: ItemType.income.title,
+    );
+    Widget assetSummary = SummaryCardForTotals(
+      list: DatabaseHelper.instance.getAssets(),
+      summaryTypeLabel: ItemType.asset.title,
+    );
+
+    // Calculations for the projections.
+    Widget projections;
+    if (_assetTotal < 0 ||
+        _incomeMonthly < 0 ||
+        _incomeYearly < 0 ||
+        _expenseMonthly < 0 ||
+        _expenseYearly < 0) {
+      _showProjections = false;
+
+      projections = Center(
+        child: SizedBox(
+          child: CircularProgressIndicator(),
+        ),
+      );
+
+      Future.delayed(Duration(seconds: 1), () {
+        setState(() {
+          _showProjections = true;
+        });
+      });
+    } else {
+      double oneMonth = _assetTotal + _incomeMonthly - _expenseMonthly,
+          threeMonths = _assetTotal + (3 * (_incomeMonthly - _expenseMonthly)),
+          sixMonths = _assetTotal + (6 * (_incomeMonthly - _expenseMonthly)),
+          oneYear = _assetTotal + (_incomeYearly - _expenseYearly),
+          twoYears = _assetTotal + (2 * (_incomeYearly - _expenseYearly)),
+          fiveYears = _assetTotal + (5 * (_incomeYearly - _expenseYearly));
+
+      // Widgets to show the projections.
+      Widget proj1 = SummaryCard(
+        name: "One month from now...",
+        leftText: "",
+        middleText: oneMonth.toStringAsFixed(2),
+        rightText: "",
+      );
+      Widget proj2 = SummaryCard(
+        name: "Three months from now...",
+        leftText: "",
+        middleText: threeMonths.toStringAsFixed(2),
+        rightText: "",
+      );
+      Widget proj3 = SummaryCard(
+        name: "Half a year from now...",
+        leftText: "",
+        middleText: sixMonths.toStringAsFixed(2),
+        rightText: "",
+      );
+      Widget proj4 = SummaryCard(
+        name: "One year from now...",
+        leftText: "",
+        middleText: oneYear.toStringAsFixed(2),
+        rightText: "",
+      );
+      Widget proj5 = SummaryCard(
+        name: "Two years from now...",
+        leftText: "",
+        middleText: twoYears.toStringAsFixed(2),
+        rightText: "",
+      );
+      Widget proj6 = SummaryCard(
+        name: "Five years from now...",
+        leftText: "",
+        middleText: fiveYears.toStringAsFixed(2),
+        rightText: "",
+      );
+
+      projections = Column(
+        children: [
+          proj1,
+          proj2,
+          proj3,
+          proj4,
+          proj5,
+          proj6,
+        ],
+      );
+    }
+
+    // Return all of the UI elements.
+    return ListView(
+      children: [
+        TitleCard(title: "Summaries"),
+        expenseSummary,
+        incomeSummary,
+        assetSummary,
+        TitleCard(title: "Projections"),
+        projections,
+      ],
+    );
+  }
+}
+
+class SummaryCardForTotals extends StatelessWidget {
+  const SummaryCardForTotals({
+    super.key,
+    required this.list,
+    required this.summaryTypeLabel,
+  });
+
+  final Future<List<TrackedItem>> list;
+  final String summaryTypeLabel;
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<List<TrackedItem>>(
+        future: list,
+        builder: (
+          BuildContext context,
+          AsyncSnapshot<List<TrackedItem>> snapshot,
+        ) {
+          if (!snapshot.hasData) {
+            return Text('Loading $summaryTypeLabel Section...');
+          }
+
+          // Calculate the total fields based on item type.
+          double dailyTotal = 0, monthlyTotal = 0, yearlyTotal = 0;
+          ItemType? itemType;
+          for (TrackedItem e in snapshot.data!) {
+            if (itemType == null) {
+              itemType = e.type!;
+            } else if (itemType != e.type) {
+              throw "List in SummaryCardForTotals has multiple item types, abort!";
+            }
+
+            if (e.type == ItemType.asset) {
+              monthlyTotal += e.amount;
+            } else {
+              dailyTotal += e.calcComparableAmountDaily();
+              monthlyTotal += e.calcComparableAmountYearly() / 12;
+              yearlyTotal += e.calcComparableAmountYearly();
+            }
+          }
+
+          /* Load page variables based on calculated totals. */
+          switch (itemType) {
+            case null:
+              break;
+
+            case ItemType.asset:
+              _assetTotal = monthlyTotal;
+              break;
+
+            case ItemType.expense:
+              _expenseMonthly = monthlyTotal;
+              _expenseYearly = yearlyTotal;
+              break;
+
+            case ItemType.income:
+              _incomeMonthly = monthlyTotal;
+              _incomeYearly = yearlyTotal;
+              break;
+
+            default:
+              throw UnimplementedError(
+                "Item type ${itemType.title} not handled in SummaryCardForTotals!",
+              );
+          }
+
+          /* Determine what needs displayed for the item type. */
+          // Header
+          String plural = snapshot.data!.length == 1 ? "" : "s";
+          String header = "$summaryTypeLabel Total";
+          header += itemType == ItemType.asset ? "" : "s";
+          header += " (${snapshot.data!.length} Item$plural)";
+
+          // Total Fields
+          String dailyEstimate =
+                  dailyTotal.toStringAsFixed(3).endsWith("0") ? "" : "~",
+              monthlyEstimate =
+                  monthlyTotal.toStringAsFixed(3).endsWith("0") ? "" : "~",
+              yearlyEstimate =
+                  yearlyTotal.toStringAsFixed(3).endsWith("0") ? "" : "~";
+          String leftText = "", middleText = "", rightText = "";
+          if (itemType == ItemType.asset) {
+            middleText = "$monthlyEstimate${monthlyTotal.toStringAsFixed(2)}";
+          } else {
+            leftText = "$dailyEstimate${dailyTotal.toStringAsFixed(2)} Daily";
+            middleText =
+                "$monthlyEstimate${monthlyTotal.toStringAsFixed(2)} Monthly";
+            rightText =
+                "$yearlyEstimate${yearlyTotal.toStringAsFixed(2)} Yearly";
+          }
+
+          // Return the UI element.
+          return SummaryCard(
+            name: header,
+            leftText: leftText,
+            middleText: middleText,
+            rightText: rightText,
+          );
+        });
   }
 }

lib/pages/settings.dart

@@ -1,5 +1,11 @@
 import 'package:flutter/material.dart';
 
+/// TODO:
+/// - Export DB (JSON?)
+/// - Import DB (JSON?)
+/// - Choose color scheme
+/// - Delete / Reset DB (pull code from `main`'s `if (testing)`)
+
 class SettingsPage extends StatelessWidget {
   const SettingsPage({
     super.key,
@@ -7,6 +13,10 @@ class SettingsPage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Placeholder();
+    return Center(
+      child: Text(
+        "No settings yet. :)",
+      ),
+    );
   }
 }

lib/pages/tracked_item.dart

@@ -0,0 +1,551 @@
+// Flutter
+import 'package:flutter/material.dart';
+import '/models/asset.dart';
+import '/models/income.dart';
+
+// Local
+import '/models/tracked_item.dart';
+import '/models/item_type.dart';
+import '/models/expense.dart';
+import '/models/frequency.dart';
+import '/db.dart';
+
+class TrackedItemPage extends StatefulWidget {
+  final Future<List<TrackedItem>> assetsToLoad;
+  final Function() notifyParent;
+
+  const TrackedItemPage({
+    super.key,
+    required this.assetsToLoad,
+    required this.notifyParent,
+  });
+
+  @override
+  State<TrackedItemPage> createState() => _TrackedItemPageState();
+}
+
+class _TrackedItemPageState extends State<TrackedItemPage> {
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return FutureBuilder<List<TrackedItem>>(
+        future: widget.assetsToLoad,
+        builder:
+            (BuildContext context, AsyncSnapshot<List<TrackedItem>> snapshot) {
+          if (!snapshot.hasData) {
+            return Text('Loading...');
+          }
+          snapshot.data!.sort(
+            (a, b) => (b.calcComparableAmountYearly() -
+                    a.calcComparableAmountYearly())
+                .toInt(),
+          );
+          return snapshot.data!.isEmpty
+              ? Text(
+                  "Add items to get started.",
+                  softWrap: true,
+                )
+              : ListView.builder(
+                  itemCount: snapshot.data!.length,
+                  itemBuilder: (_, index) {
+                    final TrackedItem curr = snapshot.data![index];
+
+                    final itemKey = Key(curr.id!.toString());
+                    final String itemTitle = curr.name;
+
+                    final String itemAmount;
+                    if (curr.frequency != null) {
+                      itemAmount =
+                          "${curr.amount.toStringAsFixed(2)} ${curr.frequency!.title}";
+                    } else {
+                      itemAmount = curr.amount.toStringAsFixed(2);
+                    }
+                    final String itemDescription = curr.description;
+
+                    final double itemDayAmount, itemMonthAmount, itemYearAmount;
+                    final String estimateSymbolDaily,
+                        estimateSymbolMonthly,
+                        estimateSymbolYearly;
+
+                    if (curr.frequency != null) {
+                      itemDayAmount = curr.calcComparableAmountDaily();
+                      estimateSymbolDaily = curr.frequency!.numDays
+                                  .toStringAsFixed(2)
+                                  .endsWith(".00") &&
+                              itemDayAmount.toStringAsFixed(3).endsWith("0")
+                          ? ""
+                          : "~";
+
+                      itemMonthAmount =
+                          (curr.calcComparableAmountYearly() / 12);
+                      estimateSymbolMonthly = curr.frequency!.timesPerYear
+                                  .toStringAsFixed(2)
+                                  .endsWith(".00") &&
+                              itemMonthAmount.toStringAsFixed(3).endsWith("0")
+                          ? ""
+                          : "~";
+
+                      itemYearAmount = curr.calcComparableAmountYearly();
+                      estimateSymbolYearly = curr.frequency!.timesPerYear
+                                  .toStringAsFixed(2)
+                                  .endsWith(".00") &&
+                              itemYearAmount.toStringAsFixed(3).endsWith("0")
+                          ? ""
+                          : "~";
+                    } else {
+                      itemDayAmount = -1;
+                      estimateSymbolDaily = "";
+                      itemMonthAmount = curr.amount;
+                      estimateSymbolMonthly = "";
+                      itemYearAmount = -1;
+                      estimateSymbolYearly = "";
+                    }
+
+                    final String monthlyTitle = curr.type == ItemType.asset
+                        ? ""
+                        : " ${Frequency.monthly.title}";
+
+                    final String itemTopText = itemDayAmount < 0
+                        ? ""
+                        : "$estimateSymbolDaily${itemDayAmount.toStringAsFixed(2)} ${Frequency.daily.title}";
+                    final String itemMiddleText = itemMonthAmount < 0
+                        ? ""
+                        : "$estimateSymbolMonthly${itemMonthAmount.toStringAsFixed(2)}$monthlyTitle";
+                    final String itemBottomText = itemYearAmount < 0
+                        ? ""
+                        : "$estimateSymbolYearly${itemYearAmount.toStringAsFixed(2)} ${Frequency.yearly.title}";
+
+                    return Padding(
+                      padding: const EdgeInsets.all(4.0),
+                      child: Dismissible(
+                        key: itemKey,
+                        background: Container(
+                          color: Colors.red,
+                          child: Row(
+                            mainAxisAlignment: MainAxisAlignment.start,
+                            children: [
+                              Icon(Icons.delete),
+                              Text("Delete"),
+                            ],
+                          ),
+                        ),
+                        secondaryBackground: Container(
+                          color: Colors.orange,
+                          child: Row(
+                            mainAxisAlignment: MainAxisAlignment.end,
+                            children: [
+                              Text("Edit"),
+                              Icon(Icons.edit),
+                            ],
+                          ),
+                        ),
+                        onDismissed: (direction) {
+                          setState(() {
+                            snapshot.data!.remove(curr);
+                            switch (direction) {
+                              case DismissDirection.startToEnd:
+                                // Remove the item from the database.
+                                if (curr is Expense) {
+                                  DatabaseHelper.instance.removeExpense(
+                                    curr.id!,
+                                  );
+                                } else if (curr is Income) {
+                                  DatabaseHelper.instance.removeIncome(
+                                    curr.id!,
+                                  );
+                                } else if (curr is Asset) {
+                                  DatabaseHelper.instance.removeAsset(
+                                    curr.id!,
+                                  );
+                                } else {
+                                  throw UnimplementedError(
+                                      "Cannot remove unimplemented item type.");
+                                }
+                                break;
+                              case DismissDirection.endToStart:
+                                // Open an edit dialog, then remove the item from the list.
+                                showDialog(
+                                  context: context,
+                                  builder: (_) => AlertDialog(
+                                    content: TrackedItemInputDialog(
+                                      notifyParent: widget.notifyParent,
+                                      entry: curr,
+                                      amountText: curr.getAmountText(),
+                                      type: curr.type!,
+                                    ),
+                                  ),
+                                );
+                                break;
+                              default:
+                                UnimplementedError(
+                                  "Direction ${direction.toString()} not recognized.",
+                                );
+                            }
+                          });
+                        },
+                        child: Container(
+                          decoration: BoxDecoration(
+                            borderRadius: BorderRadius.circular(4),
+                            color: theme.colorScheme.onPrimary,
+                          ),
+                          child: Padding(
+                            padding: const EdgeInsets.all(4.0),
+                            child: Row(
+                              mainAxisSize: MainAxisSize.max,
+                              children: [
+                                Column(
+                                  mainAxisSize: MainAxisSize.min,
+                                  crossAxisAlignment: CrossAxisAlignment.start,
+                                  children: [
+                                    Text(
+                                      itemTitle,
+                                      style: TextStyle(fontSize: 20.0),
+                                    ),
+                                    Text(
+                                      itemAmount,
+                                      style: TextStyle(fontSize: 12.0),
+                                    ),
+                                  ],
+                                ),
+                                Expanded(
+                                  child: Center(
+                                    child: Text(
+                                      itemDescription,
+                                      style: TextStyle(
+                                        fontSize: 12.0,
+                                      ),
+                                      softWrap: true,
+                                      textAlign: TextAlign.center,
+                                    ),
+                                  ),
+                                ),
+                                Column(
+                                  crossAxisAlignment: CrossAxisAlignment.end,
+                                  children: [
+                                    Text(
+                                      itemTopText,
+                                      style: TextStyle(fontSize: 12.0),
+                                    ),
+                                    Text(
+                                      itemMiddleText,
+                                      style: TextStyle(fontSize: 12.0),
+                                    ),
+                                    Text(
+                                      itemBottomText,
+                                      style: TextStyle(fontSize: 12.0),
+                                    ),
+                                  ],
+                                ),
+                              ],
+                            ),
+                          ),
+                        ),
+                      ),
+                    );
+                  },
+                );
+        });
+  }
+}
+
+class TrackedItemInputDialog extends StatefulWidget {
+  final Function() notifyParent;
+  final TrackedItem? entry;
+  final String? amountText;
+  final ItemType? type;
+
+  const TrackedItemInputDialog({
+    super.key,
+    required this.notifyParent,
+    this.entry,
+    this.amountText,
+    this.type,
+  });
+
+  @override
+  State<TrackedItemInputDialog> createState() => _TrackedItemInputDialogState();
+}
+
+class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
+  final _formKey = GlobalKey<FormState>();
+
+  int? _id;
+  String _name = "";
+  double _amount = 0;
+  Frequency _freq = Frequency.monthly;
+  String _desc = "";
+  ItemType? _type;
+
+  @override
+  Widget build(BuildContext context) {
+    if (widget.type == null &&
+        (widget.entry != null && widget.entry!.type == null)) {
+      throw FlutterError("No ItemType provided for TrackedItemInputDialog.");
+    }
+    _type = widget.type;
+
+    if (widget.entry != null) {
+      _id = widget.entry!.id;
+      _name = widget.entry!.name;
+      _amount = widget.entry!.amount;
+      widget.entry!.frequency == null ? null : _freq = widget.entry!.frequency!;
+      _desc = widget.entry!.description;
+      _type = widget.entry!.type!;
+    }
+
+    String amountText =
+        widget.amountText != null ? widget.amountText! : TrackedItem.amountText;
+
+    return Column(
+      // prevent AlertDialog from taking full vertical height.
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          alignment: FractionalOffset.topRight,
+          child: IconButton(
+            onPressed: () {
+              if (widget.entry != null) {
+                setState(() {
+                  switch (_type) {
+                    case ItemType.expense:
+                      DatabaseHelper.instance.addExpense(widget.entry!);
+                      break;
+                    case ItemType.income:
+                      DatabaseHelper.instance.addIncome(widget.entry!);
+                      break;
+                    case ItemType.asset:
+                      DatabaseHelper.instance.addAsset(widget.entry!);
+                      break;
+                    default:
+                      throw UnimplementedError(
+                          "Cannot add unimplemented type.");
+                  }
+                  widget.notifyParent();
+                });
+              }
+              Navigator.of(context).pop();
+            },
+            icon: Icon(Icons.clear),
+          ),
+        ),
+        AlertDialog(
+          insetPadding: EdgeInsets.all(0),
+          title: Center(
+            child: widget.entry == null
+                ? Text("New ${_type!.title}")
+                : Text("Edit ${_type!.title}"),
+          ),
+          content: FutureBuilder<List<Expense>>(
+              // TODO / TBD -- This should no longer only be Expenses.
+              future: DatabaseHelper.instance.getExpenses(),
+              builder: (BuildContext context,
+                  AsyncSnapshot<List<Expense>> snapshot) {
+                if (!snapshot.hasData) {
+                  return Center(child: Text('Loading...'));
+                }
+                List<Expense> expenses = snapshot.data!;
+                return Form(
+                  key: _formKey,
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      TextFormField(
+                        keyboardType: TextInputType.text,
+                        textCapitalization: TextCapitalization.words,
+                        decoration: InputDecoration(
+                          labelText: "Name",
+                          hintText: "Example: Red Pocket",
+                          hintStyle: TextStyle(fontSize: 10.0),
+                          errorStyle: TextStyle(fontSize: 10.0),
+                        ),
+                        initialValue: _name,
+                        validator: (value) {
+                          if (value!.isEmpty) {
+                            return "Name must be provided.";
+                          }
+                          if (!expenses.every((expense) =>
+                              expense.name != value || expense.id == _id)) {
+                            return "Name must be unique, already in use.";
+                          }
+                          return null;
+                        },
+                        onSaved: (value) {
+                          _name = value!;
+                        },
+                      ),
+                      TextFormField(
+                        keyboardType:
+                            TextInputType.numberWithOptions(decimal: true),
+                        decoration: InputDecoration(
+                          labelText: amountText,
+                          hintText: "Example: 10.00",
+                          hintStyle: TextStyle(fontSize: 10.0),
+                          errorStyle: TextStyle(fontSize: 10.0),
+                        ),
+                        initialValue: _amount != 0 ? _amount.toString() : "",
+                        validator: (value) {
+                          if (value == null || value.isEmpty) {
+                            return "$amountText must be provided.";
+                          }
+                          if (double.tryParse(value) == null) {
+                            return "$amountText must be a valid number.";
+                          }
+                          if (double.parse(value) < 0) {
+                            return "Please use the Income page rather than having negative expenses.";
+                          }
+                          if (double.parse(value) < 0.01) {
+                            return "$amountText must be one hundreth (0.01) or higher.";
+                          }
+                          return null;
+                        },
+                        onSaved: (value) {
+                          _amount = double.parse(value!);
+                        },
+                      ),
+                      if (_type != ItemType.asset)
+                        DropdownButtonFormField(
+                          items: Frequency.values
+                              .map(
+                                (freq) => DropdownMenuItem(
+                                  value: freq,
+                                  child: Row(
+                                    children: [
+                                      Text(
+                                        freq.title,
+                                      ),
+                                      Padding(
+                                        padding: EdgeInsets.all(1.0),
+                                        child: Text(
+                                          " (${freq.hint})",
+                                          style: TextStyle(fontSize: 10.0),
+                                        ),
+                                      ),
+                                    ],
+                                  ),
+                                ),
+                              )
+                              .toList(),
+                          value: _freq,
+                          decoration: InputDecoration(
+                            labelText: "Frequency",
+                            errorStyle: TextStyle(fontSize: 10.0),
+                          ),
+                          validator: (value) {
+                            if (value == null) {
+                              return "Frequency must be provided.";
+                            }
+                            if (!Frequency.values.contains(value)) {
+                              return "Value not valid.";
+                            }
+                            return null;
+                          },
+                          onChanged: (value) {
+                            _freq = value!;
+                          },
+                        ),
+                      TextFormField(
+                        keyboardType: TextInputType.text,
+                        textCapitalization: TextCapitalization.sentences,
+                        decoration: InputDecoration(
+                          labelText: "Description",
+                          hintText:
+                              "Example: 1GB data with unlimited talk & text.",
+                          hintStyle: TextStyle(fontSize: 8.0),
+                          errorStyle: TextStyle(fontSize: 10.0),
+                        ),
+                        initialValue: _desc,
+                        validator: (value) {
+                          return null;
+                        },
+                        onSaved: (value) {
+                          _desc = value!;
+                        },
+                      ),
+                    ],
+                  ),
+                );
+              }),
+          actions: [
+            Center(
+              child: ElevatedButton.icon(
+                onPressed: () {
+                  if (_formKey.currentState!.validate()) {
+                    _formKey.currentState!.save();
+                    setState(
+                      () {
+                        switch (_type) {
+                          case ItemType.expense:
+                            Expense expense = Expense(
+                              id: _id,
+                              name: _name,
+                              amount: _amount,
+                              frequency: _freq,
+                              description: _desc,
+                            );
+                            if (_id != null) {
+                              DatabaseHelper.instance.updateExpense(
+                                expense,
+                              );
+                            } else {
+                              DatabaseHelper.instance.addExpense(
+                                expense,
+                              );
+                            }
+                            break;
+                          case ItemType.income:
+                            Income income = Income(
+                              id: _id,
+                              name: _name,
+                              amount: _amount,
+                              frequency: _freq,
+                              description: _desc,
+                            );
+                            if (_id != null) {
+                              DatabaseHelper.instance.updateIncome(
+                                income,
+                              );
+                            } else {
+                              DatabaseHelper.instance.addIncome(
+                                income,
+                              );
+                            }
+                            break;
+                          case ItemType.asset:
+                            Asset asset = Asset(
+                              id: _id,
+                              name: _name,
+                              amount: _amount,
+                              description: _desc,
+                            );
+                            if (_id != null) {
+                              DatabaseHelper.instance.updateAsset(
+                                asset,
+                              );
+                            } else {
+                              DatabaseHelper.instance.addAsset(
+                                asset,
+                              );
+                            }
+                            break;
+                          default:
+                            throw UnimplementedError(
+                              "No code for type ${_type!.title}",
+                            );
+                        }
+                        widget.notifyParent();
+                        Navigator.of(context).pop();
+                      },
+                    );
+                  }
+                },
+                icon: Icon(Icons.save),
+                label: Text('Submit'),
+              ),
+            )
+          ],
+        ),
+      ],
+    );
+  }
+}

lib/widgets/cards.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+
+class TitleCard extends StatelessWidget {
+  const TitleCard({
+    super.key,
+    required this.title,
+  });
+
+  final String title;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(8.0),
+      child: Center(
+        child: Text(
+          title,
+          style: TextStyle(fontSize: 20),
+        ),
+      ),
+    );
+  }
+}
+
+class SummaryCard extends StatelessWidget {
+  const SummaryCard({
+    super.key,
+    required this.name,
+    required this.leftText,
+    required this.middleText,
+    required this.rightText,
+  });
+
+  final String name;
+  final String leftText;
+  final String middleText;
+  final String rightText;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      color: Theme.of(context).cardColor,
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: Card(
+          color: Theme.of(context).highlightColor,
+          child: Column(
+            children: [
+              Text(
+                name,
+                style: TextStyle(
+                  decoration: TextDecoration.underline,
+                  fontSize: 16,
+                ),
+              ),
+              Row(
+                children: [
+                  Spacer(
+                    flex: 3,
+                  ),
+                  Text(
+                    leftText,
+                  ),
+                  Spacer(
+                    flex: 1,
+                  ),
+                  Text(
+                    middleText,
+                  ),
+                  Spacer(
+                    flex: 1,
+                  ),
+                  Text(
+                    rightText,
+                  ),
+                  Spacer(
+                    flex: 3,
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,12 @@
 import FlutterMacOS
 import Foundation
 
+import path_provider_foundation
 import sqflite_darwin
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }

pubspec.lock

@@ -5,50 +5,58 @@ packages:
     dependency: transitive
     description:
       name: async
-      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
       url: "https://pub.dev"
     source: hosted
-    version: "2.11.0"
+    version: "2.12.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   characters:
     dependency: transitive
     description:
       name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
       url: "https://pub.dev"
     source: hosted
-    version: "1.19.0"
+    version: "1.19.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.2"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "289279317b4b16eb2bb7e271abccd4bf84ec9bdcbe999e278a94b804f5630418"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -67,22 +75,27 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   leak_tracker:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.7"
+    version: "10.0.8"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.8"
+    version: "3.0.9"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -103,10 +116,10 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.17"
   material_color_utilities:
     dependency: transitive
     description:
@@ -119,18 +132,66 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
       url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.5"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "0ca7359dad67fd7063cb2892ab0c0737b2daafd807cf1acecd62374c8fae6c12"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.16"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "4843174df4d288f5e29185bd6e72a6fbdf5a4a4602717eed565497429f179942"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   platform:
     dependency: transitive
     description:
@@ -156,42 +217,50 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.10.1"
   sqflite:
     dependency: "direct main"
     description:
       name: sqflite
-      sha256: "2d7299468485dca85efeeadf5d38986909c5eb0cd71fd3db2c2f000e6c9454bb"
+      sha256: e2297b1da52f127bc7a3da11439985d9b536f75070f3325e62ada69a5c585d03
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1"
+    version: "2.4.2"
   sqflite_android:
     dependency: transitive
     description:
       name: sqflite_android
-      sha256: "78f489aab276260cdd26676d2169446c7ecd3484bbd5fead4ca14f3ed4dd9ee3"
+      sha256: "2b3070c5fa881839f8b402ee4a39c1b4d561704d4ebbbcfb808a119bc2a1701b"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.0"
+    version: "2.4.1"
   sqflite_common:
     dependency: transitive
     description:
       name: sqflite_common
-      sha256: "761b9740ecbd4d3e66b8916d784e581861fd3c3553eda85e167bc49fdb68f709"
+      sha256: "84731e8bfd8303a3389903e01fb2141b6e59b5973cacbb0929021df08dddbe8b"
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.4+6"
+    version: "2.5.5"
+  sqflite_common_ffi:
+    dependency: "direct main"
+    description:
+      name: sqflite_common_ffi
+      sha256: "1f3ef3888d3bfbb47785cc1dda0dc7dd7ebd8c1955d32a9e8e9dae1e38d1c4c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.5"
   sqflite_darwin:
     dependency: transitive
     description:
       name: sqflite_darwin
-      sha256: "22adfd9a2c7d634041e96d6241e6e1c8138ca6817018afc5d443fef91dcefa9c"
+      sha256: "279832e5cde3fe99e8571879498c9211f3ca6391b0d818df4e17d9fff5c6ccb3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1+1"
+    version: "2.4.2"
   sqflite_platform_interface:
     dependency: transitive
     description:
@@ -200,54 +269,134 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.4.0"
+  sqlite3:
+    dependency: transitive
+    description:
+      name: sqlite3
+      sha256: "310af39c40dd0bb2058538333c9d9840a2725ae0b9f77e4fd09ad6696aa8f66e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.5"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.1"
   synchronized:
     dependency: transitive
     description:
       name: synchronized
-      sha256: "69fe30f3a8b04a0be0c15ae6490fc859a78ef4c43ae2dd5e8a623d45bfcf9225"
+      sha256: "0669c70faae6270521ee4f05bffd2919892d42d1276e6c495be80174b6bc0ef6"
       url: "https://pub.dev"
     source: hosted
-    version: "3.3.0+3"
+    version: "3.3.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.3"
+    version: "0.7.4"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      sha256: "9d06212b1362abc2f0f0d78e6f09f726608c74e3b9462e8368bb03314aa8d603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.1"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      sha256: "1d0eae19bd7606ef60fe69ef3b312a437a16549476c42321d5dc1506c9ca3bf4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.15"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      sha256: "16a513b6c12bb419304e72ea0ae2ab4fed569920d1c7cb850263fe3acc824626"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.2"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      sha256: "17ba2000b847f334f16626a574c702b196723af2a289e7a93ffcb79acff855c2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "3ba963161bd0fe395917ba881d320b9c4f6dd3c4a233da62ab18a5025c85f1e9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "3284b6d2ac454cf34f114e1d3319866fdd1e19cdc329999057e44ffe936cfa77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
   vector_math:
     dependency: transitive
     description:
@@ -260,10 +409,26 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
+      sha256: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
       url: "https://pub.dev"
     source: hosted
-    version: "14.3.0"
+    version: "14.3.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
 sdks:
-  dart: ">=3.6.1 <4.0.0"
-  flutter: ">=3.24.0"
+  dart: ">=3.7.0 <4.0.0"
+  flutter: ">=3.27.0"

pubspec.yaml

@@ -1,7 +1,7 @@
-name: flutter_expense_tracker
+name: expense_tracker
 description: Track recurring expenses against income and liquid assets.
 publish_to: 'none'
-version: 0.1.0
+version: 0.1.2
 
 environment:
   sdk: ^3.6.1
@@ -9,7 +9,11 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  path: ^1.9.0
+  path_provider: ^2.1.5
   sqflite: ^2.4.1
+  sqflite_common_ffi: ^2.3.4+4
+  url_launcher: ^6.3.1
 
 dev_dependencies:
   flutter_test:

test/widget_test.dart

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

windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST