Offline Expense Tracker

Overview

The Offline Expense Tracker is a mobile application that enables users to track their income and expenses effortlessly, even without an internet connection. It provides comprehensive features like categorization, transaction history, charts, and offline data synchronization.

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Requirements

Functional Requirements

• Add Transactions: Users can log income or expense transactions.
• Categorize Transactions: Organize transactions into categories (e.g., Food, Rent, Travel).
• View Transaction History: Display past transactions with detailed information.
• Graphs and Charts: Visualize financial trends using:
  • Pie charts for expense breakdown.
  • Bar graphs for income vs. expenses over time.
  • Line charts for tracking monthly expenses.
• Search and Filter: Search and filter transactions by date, category, or amount.
• Offline Access: All features available offline.
• Data Sync: Sync transactions with a remote server when online.
• Notifications: Alerts for successful or failed sync operations.

Non-Functional Requirements

• Performance: Ensure quick access to local data, even for large datasets.
• Data Security: Encrypt sensitive data stored locally.
• Scalability: Support increasing numbers of transactions.
• Cross-Platform: Seamless operation on both iOS and Android.
• User-Friendly Interface: Simplified UI for adding, editing, and visualizing transactions.

Screenshots

Dashboard

Transactions

Add Transaction

Analytics

Firebase Configuration Setup

Instructions

1. Obtain Firebase Configuration

• Go to the Firebase Console.
• Select your Firebase project.
• Navigate to Project Settings > General tab.
• Scroll down to the "Your apps" section.
• Click on your app (or add a new one) to see the Firebase configuration details.
• Copy the following values:
  • apiKey
  • authDomain
  • projectId
  • storageBucket
  • messagingSenderId
  • appId

2. Copy the Sample .env File

• Locate the .env.sample file in the root of the project.
• Copy the file and rename it to .env:

  cp .env.sample .env