Add app version to menu.

lib/pages/home.dart

@@ -2,6 +2,7 @@
 import 'package:flutter/material.dart';
 import '/models/item_type.dart';
 import 'dart:io';
+import 'package:package_info_plus/package_info_plus.dart';
 
 // Local
 import '/pages/tracked_item.dart';
@@ -26,10 +27,32 @@ class _HomePageState extends State<HomePage> {
     setState(() {});
   }
 
+  PackageInfo _packageInfo = PackageInfo(
+    appName: 'Unknown',
+    packageName: 'Unknown',
+    version: 'Unknown',
+    buildNumber: 'Unknown',
+  );
+
+  Future _initPackageInfo() async {
+    final PackageInfo info = await PackageInfo.fromPlatform();
+    setState(() {
+      _packageInfo = info;
+    });
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    // Get package details
+    _initPackageInfo();
+  }
+
   @override
   Widget build(BuildContext context) {
     Widget page;
     Widget? dialog;
+
     switch (pageSelected) {
       case 0:
         page = TrackedItemPage(
@@ -129,6 +152,8 @@ class _HomePageState extends State<HomePage> {
           }
         });
       },
+      leading: Text("Menu"),
+      trailing: Text("v${_packageInfo.version}"),
     );
 
     Widget main = Container(

lib/pages/report.dart

@@ -1,4 +1,6 @@
 // Flutter
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import '/models/item_type.dart';
 
@@ -13,11 +15,11 @@ import '/models/tracked_item.dart';
 ///   - 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 = 0,
+double _assetTotal = -1,
-    _expenseMonthly = 0,
+    _expenseMonthly = -1,
-    _expenseYearly = 0,
+    _expenseYearly = -1,
-    _incomeMonthly = 0,
+    _incomeMonthly = -1,
-    _incomeYearly = 0;
+    _incomeYearly = -1;
 
 class ProjectionPage extends StatefulWidget {
   const ProjectionPage({
@@ -29,23 +31,55 @@ class ProjectionPage extends StatefulWidget {
 }
 
 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) {
     // Summaries for display as well as calculation of totals for projections.
     Widget expenseSummary = SummaryCardForTotals(
       list: DatabaseHelper.instance.getExpenses(),
-      summaryTypeLabel: ItemType.expense.title,
+      itemType: ItemType.expense,
     );
     Widget incomeSummary = SummaryCardForTotals(
       list: DatabaseHelper.instance.getIncomes(),
-      summaryTypeLabel: ItemType.income.title,
+      itemType: ItemType.income,
     );
     Widget assetSummary = SummaryCardForTotals(
       list: DatabaseHelper.instance.getAssets(),
-      summaryTypeLabel: ItemType.asset.title,
+      itemType: ItemType.asset,
     );
 
     // 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)),
@@ -91,14 +125,8 @@ class _ProjectionPageState extends State<ProjectionPage> {
         rightText: "",
       );
 
-    // Return all of the UI elements.
+      projections = Column(
-    return ListView(
         children: [
-        TitleCard(title: "Summaries"),
-        expenseSummary,
-        incomeSummary,
-        assetSummary,
-        TitleCard(title: "Projections"),
           proj1,
           proj2,
           proj3,
@@ -108,20 +136,35 @@ class _ProjectionPageState extends State<ProjectionPage> {
         ],
       );
     }
+
+    // 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,
+    required this.itemType,
   });
 
   final Future<List<TrackedItem>> list;
-  final String summaryTypeLabel;
+  final ItemType itemType;
 
   @override
   Widget build(BuildContext context) {
+    String summaryTypeLabel = itemType.title.toString();
+
     return FutureBuilder<List<TrackedItem>>(
         future: list,
         builder: (
@@ -134,12 +177,9 @@ class SummaryCardForTotals extends StatelessWidget {
 
           // 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) {
+            if (e.type != itemType) {
-              itemType = e.type!;
+              throw "List in SummaryCardForTotals has incorrect item types, abort!";
-            } else if (itemType != e.type) {
-              throw "List in SummaryCardForTotals has multiple item types, abort!";
             }
 
             if (e.type == ItemType.asset) {
@@ -153,9 +193,6 @@ class SummaryCardForTotals extends StatelessWidget {
 
           /* Load page variables based on calculated totals. */
           switch (itemType) {
-            case null:
-              break;
-
             case ItemType.asset:
               _assetTotal = monthlyTotal;
               break;

lib/pages/tracked_item.dart

@@ -297,6 +297,21 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
     String amountText =
         widget.amountText != null ? widget.amountText! : TrackedItem.amountText;
 
+    Future<List<TrackedItem>> items;
+    switch (_type) {
+      case ItemType.expense:
+        items = DatabaseHelper.instance.getExpenses();
+        break;
+      case ItemType.income:
+        items = DatabaseHelper.instance.getIncomes();
+        break;
+      case ItemType.asset:
+        items = DatabaseHelper.instance.getAssets();
+        break;
+      default:
+        throw UnimplementedError("Cannot find unimplemented type.");
+    }
+
     return Column(
       // prevent AlertDialog from taking full vertical height.
       mainAxisSize: MainAxisSize.min,
@@ -336,14 +351,15 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                 ? Text("New ${_type!.title}")
                 : Text("Edit ${_type!.title}"),
           ),
-          content: FutureBuilder<List<Expense>>(
+          content: FutureBuilder<List<TrackedItem>>(
-              future: DatabaseHelper.instance.getExpenses(),
+              // TODO / TBD -- This should no longer only be Expenses.
+              future: items,
               builder: (BuildContext context,
-                  AsyncSnapshot<List<Expense>> snapshot) {
+                  AsyncSnapshot<List<TrackedItem>> snapshot) {
                 if (!snapshot.hasData) {
                   return Center(child: Text('Loading...'));
                 }
-                List<Expense> expenses = snapshot.data!;
+                List<TrackedItem> expenses = snapshot.data!;
                 return Form(
                   key: _formKey,
                   child: Column(
@@ -391,7 +407,16 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                             return "$amountText must be a valid number.";
                           }
                           if (double.parse(value) < 0) {
-                            return "Please use the Income page rather than having negative expenses.";
+                            switch (_type) {
+                              case ItemType.expense:
+                                return "Please use the Income page.";
+
+                              case ItemType.income:
+                                return "Please use the Expense page.";
+
+                              default:
+                                break;
+                            }
                           }
                           if (double.parse(value) < 0.01) {
                             return "$amountText must be one hundreth (0.01) or higher.";

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,11 +5,13 @@
 import FlutterMacOS
 import Foundation
 
+import package_info_plus
 import path_provider_foundation
 import sqflite_darwin
 import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
   UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))

pubspec.lock

@@ -80,6 +80,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: fe7ab022b76f3034adc518fb6ea04a82387620e19977665ea18d30a1cf43442f
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -136,6 +152,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.16.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: "7976bfe4c583170d6cdc7077e3237560b364149fcd268b5f53d95a991963b191"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.3.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "6c935fb612dff8e3cc9632c2b301720c77450a126114126ffaafe28d2e87956c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   path:
     dependency: "direct main"
     description:
@@ -421,6 +453,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: dc6ecaa00a7c708e5b4d10ee7bec8c270e9276dfcab1783f57e9962d7884305f
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.12.0"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,7 +1,8 @@
 name: expense_tracker
+homepage: https://git.hyperling.com/me/flutter-expense-tracker
 description: Track recurring expenses against income and liquid assets.
 publish_to: 'none'
-version: 0.1.1
+version: 0.1.3
 
 environment:
   sdk: ^3.6.1
@@ -9,6 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  package_info_plus: ^8.3.0
   path: ^1.9.0
   path_provider: ^2.1.5
   sqflite: ^2.4.1