Expense Tracker Android App Source Code

Manage your expenses using your Android smartphone. Keep track of your expenses as you go.
No need for physical notebook to record your expenses.
Additionally, the source code is available. You can modify it to suit your needs.
Features:
Add/Edit Category
Record Expenses
Budget Report with Graph
Edit/Delete Expense Transaction
List of Expense Transaction
Choose Your Currency

Project Overview
Expense Tracker Android App Source Code is an intermediate-level Android project designed for B.Tech students. Manage your expenses using your Android smartphone. Keep track of your expenses as you go.

Objectives
- Understand the problem statement and define clear functional requirements for the system.
- Structure the application into clean, reusable modules with proper data handling and validation.
- Design and implement the complete solution using Android.
- Test the implementation, document the results, and prepare a working demonstration.

Software and Tools
- Android

Working Principle and Implementation
The application follows a modular structure: a user-facing interface collects input, the core logic processes the data and applies the required rules, and the results are stored or presented back to the user. Data is managed through a structured data layer. The project is organised so that each module can be developed, tested and extended independently.

Applications
- Academic mini/major project submission for B.Tech (Android).
- Base platform that can be extended with additional features for real-world use.
- Hands-on practice with Android.

Learning Outcomes
- Practical understanding of Android.
- End-to-end project workflow: requirement analysis, design, implementation and testing.
- Documentation and presentation of a complete engineering project.

Project Details
- Domain: Android
- Level: B.Tech
- Difficulty: Intermediate
- Estimated Duration: 3-4 weeks

Detailed Project Description

Expense Tracker Android App Source Code gives the user a focused everyday tool with a clean interface, local storage of their data and optional sync or reminders.

How It Works
1. The user enters or records data (amounts, steps, notes, recordings, values).
2. The app validates and stores it locally (SQLite/Room/SharedPreferences) or in the cloud.
3. Lists, totals, charts or conversions are computed and displayed instantly.
4. Reminders/notifications run in the background where the feature applies.

Technology Roles
- Android

Implementation Steps
1. Sketch the screens and the data each screen needs.
2. Create the project in Android and set up navigation between screens.
3. Define the local data model (SQLite/Room/SharedPreferences) or cloud sync.
4. Implement the core feature (tracking, conversion, recording, reminders, playback).
5. Add background work / notifications / permissions where required.
6. Test on real devices, handle edge cases and optimise battery and performance.
7. Generate the APK and prepare screenshots and documentation.

Key Features
- Simple, fast UI
- Offline storage
- Summaries and charts
- Notifications / sync where applicable

Expected Output
On completion the student will have an installable app that keeps the user's data organised and accessible.

Deliverables
- Complete source code with comments
- Database schema / data model and screen flow
- Project report with screenshots and results
- Demonstration-ready build