me/flutter-expense-tracker
me/flutter-expense-tracker
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Break code into multiple files.

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This commit is contained in:
Hyperling 2025-02-05 13:33:07 -07:00
parent 1b95feb5d4
commit 87392cc73c
8 changed files with 304 additions and 290 deletions
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296
lib/main.dart
View File

@ -3,42 +3,16 @@
import 'package:flutter/material.dart';
import '/pages/expense.dart';
import '/pages/income.dart';
import '/pages/asset.dart';
import '/pages/report.dart';
import '/pages/settings.dart';
void main() {
runApp(const MainApp());
}
// https://www.tutorialspoint.com/dart_programming/dart_programming_enumeration.htm
enum Frequency {
daily(title: "Daily"),
weekly(title: "Weekly"),
biweekly(title: "Biweekly"),
montly(title: "Monthly"),
yearly(title: "Yearly");
const Frequency({required this.title});
final String title;
}
class Expense {
final String name;
final double cost;
final Frequency frequency;
final String description;
const Expense(
{required this.name,
required this.cost,
required this.frequency,
required this.description});
String toString() {
return "$name, $cost, ${frequency.title}, $description";
}
}
List<Expense> expenses = [];
class MainApp extends StatelessWidget {
const MainApp({super.key});
@ -154,261 +128,3 @@ class _HomePageState extends State<HomePage> {
});
}
}
class ExpensePage extends StatelessWidget {
const ExpensePage({
super.key,
});
@override
Widget build(BuildContext context) {
return ListView.builder(
itemCount: expenses.length,
itemBuilder: (_, index) {
final Expense curr = expenses[index];
return Center(
child: Padding(
padding: const EdgeInsets.all(4.0),
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: Colors.greenAccent,
),
child: Column(
children: [
Text(curr.name),
Text("${curr.cost.toString()} ${curr.frequency.title}"),
],
),
),
),
);
});
/*
return ListView(
children: [
ListTile(
title: Text("Fake Item 1"),
subtitle: Text("30.00 / month"),
),
ListTile(
title: Text("Fake Item 2"),
subtitle: Text("180.00 / year"),
),
],
);
*/
}
}
class ExpenseInputDialog extends StatefulWidget {
const ExpenseInputDialog({
super.key,
});
@override
State<ExpenseInputDialog> createState() => _ExpenseInputDialogState();
}
class _ExpenseInputDialogState extends State<ExpenseInputDialog> {
final _expenseFormKey = GlobalKey<FormState>();
String _name = "";
double _cost = 0.0;
Frequency _freq = Frequency.montly;
String _desc = "";
@override
Widget build(BuildContext context) {
const inputWidth = 300.0;
const inputHeight = 50.0;
List<DropdownMenuItem> freqValues = [];
for (var freq in Frequency.values) {
freqValues.add(DropdownMenuItem(value: freq, child: Text(freq.title)));
}
;
return AlertDialog(
title: Center(child: Text("Add New Expense")),
content: Form(
key: _expenseFormKey,
autovalidateMode: AutovalidateMode.onUserInteraction,
child: Column(mainAxisSize: MainAxisSize.min, spacing: 10, children: [
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.text,
decoration: InputDecoration(
labelText: "Name",
hintText: "Example: Red Pocket Phone Bill",
),
validator: (value) {
if (value!.isEmpty) {
return "Name must be provided.";
}
return null;
},
onSaved: (newValue) {
_name = newValue!;
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.numberWithOptions(decimal: true),
decoration: InputDecoration(
labelText: "Cost", hintText: "Example: 10.00"),
validator: (value) {
if (value!.isEmpty) {
return "Cost must be provided.";
}
if (double.tryParse(value) == null) {
return "Cost must be a valid number.";
}
return null;
},
onSaved: (newValue) {
_cost = double.parse(newValue!);
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: DropdownButtonFormField(
items: freqValues,
decoration: InputDecoration(
labelText: "Recurrence", hintText: "Example: Monthly"),
validator: (value) {
if (value == null) {
return "Frequency must be provided.";
}
if (!Frequency.values.contains(value)) {
return "Value not valid.";
}
return null;
},
onChanged: (newValue) {
_freq = newValue;
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.text,
decoration: InputDecoration(
labelText: "Description",
hintText: "Example: 1GB data with unlimited talk & text."),
validator: (value) {
return null;
},
onSaved: (newValue) {
_desc = newValue!;
},
),
),
]),
),
actions: [
SizedBox(
width: inputWidth,
height: inputHeight,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
ElevatedButton.icon(
onPressed: () {
print("TODO: Clear fields!");
Navigator.of(context).pop();
},
icon: Icon(Icons.cancel),
label: Text('Cancel'),
),
ElevatedButton.icon(
onPressed: () {
print("TODO: Save expense!");
if (_expenseFormKey.currentState!.validate()) {
_expenseFormKey.currentState!.save();
setState(() {
expenses.add(
Expense(
name: _name,
cost: _cost,
frequency: _freq,
description: _desc),
);
});
print(expenses.toString());
for (var expense in expenses) {
print(expense.toString());
}
Navigator.of(context).pop();
}
},
icon: Icon(Icons.save),
label: Text('Submit'),
),
],
),
)
],
);
}
}
class IncomePage extends StatelessWidget {
const IncomePage({
super.key,
});
@override
Widget build(BuildContext context) {
return Center(
child: Column(
children: [
Text("TBD"),
Placeholder(),
],
));
}
}
class AssetPage extends StatelessWidget {
const AssetPage({
super.key,
});
@override
Widget build(BuildContext context) {
return Placeholder();
}
}
class ProjectionPage extends StatelessWidget {
const ProjectionPage({
super.key,
});
@override
Widget build(BuildContext context) {
return Placeholder();
}
}
class SettingsPage extends StatelessWidget {
const SettingsPage({
super.key,
});
@override
Widget build(BuildContext context) {
return Placeholder();
}
}

18
lib/models/expense.dart Normal file
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@ -0,0 +1,18 @@
import '/models/frequency.dart';
class Expense {
final String name;
final double cost;
final Frequency frequency;
final String description;
const Expense(
{required this.name,
required this.cost,
required this.frequency,
required this.description});
String toString() {
return "$name, $cost, ${frequency.title}, $description";
}
}

12
lib/models/frequency.dart Normal file
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@ -0,0 +1,12 @@
// https://www.tutorialspoint.com/dart_programming/dart_programming_enumeration.htm
enum Frequency {
daily(title: "Daily"),
weekly(title: "Weekly"),
biweekly(title: "Biweekly"),
montly(title: "Monthly"),
yearly(title: "Yearly");
const Frequency({required this.title});
final String title;
}

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

214
lib/pages/expense.dart Normal file
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@ -0,0 +1,214 @@
import 'package:flutter/material.dart';
import '/models/expense.dart';
import '/models/frequency.dart';
List<Expense> expenses = [];
class ExpensePage extends StatelessWidget {
const ExpensePage({
super.key,
});
@override
Widget build(BuildContext context) {
return ListView.builder(
itemCount: expenses.length,
itemBuilder: (_, index) {
final Expense curr = expenses[index];
return Center(
child: Padding(
padding: const EdgeInsets.all(4.0),
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
color: Colors.greenAccent,
),
child: Column(
children: [
Text(curr.name),
Text("${curr.cost.toString()} ${curr.frequency.title}"),
],
),
),
),
);
});
/*
return ListView(
children: [
ListTile(
title: Text("Fake Item 1"),
subtitle: Text("30.00 / month"),
),
ListTile(
title: Text("Fake Item 2"),
subtitle: Text("180.00 / year"),
),
],
);
*/
}
}
class ExpenseInputDialog extends StatefulWidget {
const ExpenseInputDialog({
super.key,
});
@override
State<ExpenseInputDialog> createState() => _ExpenseInputDialogState();
}
class _ExpenseInputDialogState extends State<ExpenseInputDialog> {
final _expenseFormKey = GlobalKey<FormState>();
String _name = "";
double _cost = 0.0;
Frequency _freq = Frequency.montly;
String _desc = "";
@override
Widget build(BuildContext context) {
const inputWidth = 300.0;
const inputHeight = 50.0;
List<DropdownMenuItem> freqValues = [];
for (var freq in Frequency.values) {
freqValues.add(DropdownMenuItem(value: freq, child: Text(freq.title)));
}
;
return AlertDialog(
title: Center(child: Text("Add New Expense")),
content: Form(
key: _expenseFormKey,
autovalidateMode: AutovalidateMode.onUserInteraction,
child: Column(mainAxisSize: MainAxisSize.min, spacing: 10, children: [
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.text,
decoration: InputDecoration(
labelText: "Name",
hintText: "Example: Red Pocket Phone Bill",
),
validator: (value) {
if (value!.isEmpty) {
return "Name must be provided.";
}
return null;
},
onSaved: (newValue) {
_name = newValue!;
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.numberWithOptions(decimal: true),
decoration: InputDecoration(
labelText: "Cost", hintText: "Example: 10.00"),
validator: (value) {
if (value!.isEmpty) {
return "Cost must be provided.";
}
if (double.tryParse(value) == null) {
return "Cost must be a valid number.";
}
return null;
},
onSaved: (newValue) {
_cost = double.parse(newValue!);
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: DropdownButtonFormField(
items: freqValues,
decoration: InputDecoration(
labelText: "Recurrence", hintText: "Example: Monthly"),
validator: (value) {
if (value == null) {
return "Frequency must be provided.";
}
if (!Frequency.values.contains(value)) {
return "Value not valid.";
}
return null;
},
onChanged: (newValue) {
_freq = newValue;
},
),
),
SizedBox(
width: inputWidth,
height: inputHeight,
child: TextFormField(
keyboardType: TextInputType.text,
decoration: InputDecoration(
labelText: "Description",
hintText: "Example: 1GB data with unlimited talk & text."),
validator: (value) {
return null;
},
onSaved: (newValue) {
_desc = newValue!;
},
),
),
]),
),
actions: [
SizedBox(
width: inputWidth,
height: inputHeight,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
ElevatedButton.icon(
onPressed: () {
print("TODO: Clear fields!");
Navigator.of(context).pop();
},
icon: Icon(Icons.cancel),
label: Text('Cancel'),
),
ElevatedButton.icon(
onPressed: () {
print("TODO: Save expense!");
if (_expenseFormKey.currentState!.validate()) {
_expenseFormKey.currentState!.save();
setState(() {
expenses.add(
Expense(
name: _name,
cost: _cost,
frequency: _freq,
description: _desc),
);
});
print(expenses.toString());
for (var expense in expenses) {
print(expense.toString());
}
Navigator.of(context).pop();
}
},
icon: Icon(Icons.save),
label: Text('Submit'),
),
],
),
)
],
);
}
}

18
lib/pages/income.dart Normal file
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@ -0,0 +1,18 @@
import 'package:flutter/material.dart';
class IncomePage extends StatelessWidget {
const IncomePage({
super.key,
});
@override
Widget build(BuildContext context) {
return Center(
child: Column(
children: [
Text("TBD"),
Placeholder(),
],
));
}
}

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

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