Refactor to add header to the Tracked Item pages.

lib/models/item_type.dart

@@ -2,21 +2,26 @@ enum ItemType {
   expense(
     title: "Expense",
     plural: "Expenses",
+    description: "Items which cost revenue, or decrease asset value.",
   ),
   income(
     title: "Income",
-    plural: "Incomes",
+    plural: "Income",
+    description: "Items which bring in revenue, or increase asset value.",
   ),
   asset(
     title: "Asset",
     plural: "Assets",
+    description: "Value which has been earned and can be spent.",
   );
 
   const ItemType({
     required this.title,
     required this.plural,
+    required this.description,
   });
 
   final String title;
   final String plural;
+  final String description;
 }

lib/pages/help.dart

@@ -45,7 +45,7 @@ class HelpPage extends StatelessWidget {
                     " adding receipts.",
                   ),
                   Text(
-                    "\n\t\t Tracked items can be swiped left to right for ,"
+                    "\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.",

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';
@@ -26,14 +27,36 @@ 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(
-          assetsToLoad: DatabaseHelper.instance.getExpenses(),
+          assetType: ItemType.expense,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -43,7 +66,7 @@ class _HomePageState extends State<HomePage> {
         break;
       case 1:
         page = TrackedItemPage(
-          assetsToLoad: DatabaseHelper.instance.getIncomes(),
+          assetType: ItemType.income,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -53,7 +76,7 @@ class _HomePageState extends State<HomePage> {
         break;
       case 2:
         page = TrackedItemPage(
-          assetsToLoad: DatabaseHelper.instance.getAssets(),
+          assetType: ItemType.asset,
           notifyParent: refresh,
         );
         dialog = TrackedItemInputDialog(
@@ -97,15 +120,15 @@ class _HomePageState extends State<HomePage> {
       destinations: [
         NavigationRailDestination(
           icon: Icon(Icons.payment),
-          label: Text('Expenses'),
+          label: Text(ItemType.expense.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.account_balance),
-          label: Text('Income'),
+          label: Text(ItemType.income.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.attach_money),
-          label: Text('Liquid Assets'),
+          label: Text(ItemType.asset.plural),
         ),
         NavigationRailDestination(
           icon: Icon(Icons.bar_chart),
@@ -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({
@@ -29,67 +31,111 @@ 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.
-    double oneMonth = _assetTotal + _incomeMonthly - _expenseMonthly,
+    Widget projections;
-        threeMonths = _assetTotal + (3 * (_incomeMonthly - _expenseMonthly)),
+    if (_assetTotal < 0 ||
-        sixMonths = _assetTotal + (6 * (_incomeMonthly - _expenseMonthly)),
+        _incomeMonthly < 0 ||
-        oneYear = _assetTotal + (_incomeYearly - _expenseYearly),
+        _incomeYearly < 0 ||
-        twoYears = _assetTotal + (2 * (_incomeYearly - _expenseYearly)),
+        _expenseMonthly < 0 ||
-        fiveYears = _assetTotal + (5 * (_incomeYearly - _expenseYearly));
+        _expenseYearly < 0) {
+      _showProjections = false;
 
-    // Widgets to show the projections.
+      projections = Center(
-    Widget proj1 = SummaryCard(
+        child: SizedBox(
-      name: "One month from now...",
+          child: CircularProgressIndicator(),
-      leftText: "",
+        ),
-      middleText: oneMonth.toStringAsFixed(2),
+      );
-      rightText: "",
+
-    );
+      Future.delayed(Duration(seconds: 1), () {
-    Widget proj2 = SummaryCard(
+        setState(() {
-      name: "Three months from now...",
+          _showProjections = true;
-      leftText: "",
+        });
-      middleText: threeMonths.toStringAsFixed(2),
+      });
-      rightText: "",
+    } else {
-    );
+      double oneMonth = _assetTotal + _incomeMonthly - _expenseMonthly,
-    Widget proj3 = SummaryCard(
+          threeMonths = _assetTotal + (3 * (_incomeMonthly - _expenseMonthly)),
-      name: "Half a year from now...",
+          sixMonths = _assetTotal + (6 * (_incomeMonthly - _expenseMonthly)),
-      leftText: "",
+          oneYear = _assetTotal + (_incomeYearly - _expenseYearly),
-      middleText: sixMonths.toStringAsFixed(2),
+          twoYears = _assetTotal + (2 * (_incomeYearly - _expenseYearly)),
-      rightText: "",
+          fiveYears = _assetTotal + (5 * (_incomeYearly - _expenseYearly));
-    );
+
-    Widget proj4 = SummaryCard(
+      // Widgets to show the projections.
-      name: "One year from now...",
+      Widget proj1 = SummaryCard(
-      leftText: "",
+        name: "One month from now...",
-      middleText: oneYear.toStringAsFixed(2),
+        leftText: "",
-      rightText: "",
+        middleText: oneMonth.toStringAsFixed(2),
-    );
+        rightText: "",
-    Widget proj5 = SummaryCard(
+      );
-      name: "Two years from now...",
+      Widget proj2 = SummaryCard(
-      leftText: "",
+        name: "Three months from now...",
-      middleText: twoYears.toStringAsFixed(2),
+        leftText: "",
-      rightText: "",
+        middleText: threeMonths.toStringAsFixed(2),
-    );
+        rightText: "",
-    Widget proj6 = SummaryCard(
+      );
-      name: "Five years from now...",
+      Widget proj3 = SummaryCard(
-      leftText: "",
+        name: "Half a year from now...",
-      middleText: fiveYears.toStringAsFixed(2),
+        leftText: "",
-      rightText: "",
+        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(
@@ -99,12 +145,7 @@ class _ProjectionPageState extends State<ProjectionPage> {
         incomeSummary,
         assetSummary,
         TitleCard(title: "Projections"),
-        proj1,
+        projections,
-        proj2,
-        proj3,
-        proj4,
-        proj5,
-        proj6,
       ],
     );
   }
@@ -114,14 +155,16 @@ 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

@@ -11,12 +11,12 @@ import '/models/frequency.dart';
 import '/db.dart';
 
 class TrackedItemPage extends StatefulWidget {
-  final Future<List<TrackedItem>> assetsToLoad;
+  final ItemType assetType;
   final Function() notifyParent;
 
   const TrackedItemPage({
     super.key,
-    required this.assetsToLoad,
+    required this.assetType,
     required this.notifyParent,
   });
 
@@ -25,12 +25,28 @@ class TrackedItemPage extends StatefulWidget {
 }
 
 class _TrackedItemPageState extends State<TrackedItemPage> {
+  late Future<List<TrackedItem>> _assetsToLoad;
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
 
+    switch (widget.assetType) {
+      case ItemType.expense:
+        _assetsToLoad = DatabaseHelper.instance.getExpenses();
+        break;
+      case ItemType.income:
+        _assetsToLoad = DatabaseHelper.instance.getIncomes();
+        break;
+      case ItemType.asset:
+        _assetsToLoad = DatabaseHelper.instance.getAssets();
+        break;
+      default:
+        throw UnimplementedError("Unsure whch asset group to load.");
+    }
+
     return FutureBuilder<List<TrackedItem>>(
-        future: widget.assetsToLoad,
+        future: _assetsToLoad,
         builder:
             (BuildContext context, AsyncSnapshot<List<TrackedItem>> snapshot) {
           if (!snapshot.hasData) {
@@ -46,204 +62,237 @@ class _TrackedItemPageState extends State<TrackedItemPage> {
                   "Add items to get started.",
                   softWrap: true,
                 )
-              : ListView.builder(
+              : Column(
-                  itemCount: snapshot.data!.length,
+                  children: [
-                  itemBuilder: (_, index) {
+                    Text(
-                    final TrackedItem curr = snapshot.data![index];
+                      "${widget.assetType.plural}",
-
+                      style: TextStyle(
-                    final itemKey = Key(curr.id!.toString());
+                        fontSize: 24.0,
-                    final String itemTitle = curr.name;
+                        decoration: TextDecoration.underline,
-
+                        fontWeight: FontWeight.bold,
-                    final String itemAmount;
-                    if (curr.frequency != null) {
-                      itemAmount =
-                          "${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),
-                                    ),
-                                  ],
-                                ),
-                              ],
-                            ),
-                          ),
-                        ),
                       ),
-                    );
+                    ),
-                  },
+                    /*Text(
+                      "${widget.assetType.description}",
+                      style: TextStyle(
+                        fontSize: 16.0,
+                        decoration: TextDecoration.none,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),*/
+                    Expanded(
+                      child: 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),
+                                          ),
+                                        ],
+                                      ),
+                                    ],
+                                  ),
+                                ),
+                              ),
+                            ),
+                          );
+                        },
+                      ),
+                    ),
+                  ],
                 );
         });
   }
@@ -297,6 +346,21 @@ 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 +400,15 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                 ? Text("New ${_type!.title}")
                 : Text("Edit ${_type!.title}"),
           ),
-          content: FutureBuilder<List<Expense>>(
+          content: FutureBuilder<List<TrackedItem>>(
-              future: DatabaseHelper.instance.getExpenses(),
+              // TODO / TBD -- This should no longer only be Expenses.
+              future: items,
               builder: (BuildContext context,
-                  AsyncSnapshot<List<Expense>> snapshot) {
+                  AsyncSnapshot<List<TrackedItem>> snapshot) {
                 if (!snapshot.hasData) {
                   return Center(child: Text('Loading...'));
                 }
-                List<Expense> expenses = snapshot.data!;
+                List<TrackedItem> expenses = snapshot.data!;
                 return Form(
                   key: _formKey,
                   child: Column(
@@ -391,7 +456,16 @@ class _TrackedItemInputDialogState extends State<TrackedItemInputDialog> {
                             return "$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