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Android App Major Project Source Code + Docs + PPT

Age Calculator App Project

An Age Calculator Android app in Java/Kotlin that shows exact age in years, months, days and next birthday countdown.

  • Java/Kotlin
  • Android Studio
  • PostgreSQL
  • Remote setup included
Ask on WhatsApp

See the project running first, then pay.

Age Calculator App - Italy - birthday cake with candles 5
Image: Francesca Cesa Bianchi, Milano / CC BY-SA 3.0 it via Wikimedia Commons

What is the Age Calculator App?

The Age Calculator App finds a person's exact age from their date of birth. It shows age in years, months and days, and also total weeks, days and hours lived.

A countdown shows days left for the next birthday, and users can save family birthdays. It is built in Android Studio with Java/Kotlin and is a simple, clean mini project.

Best for: BCA, MCA, BSc IT, BE / B.Tech (CSE / IT) and diploma students. Good as a major / final year project for your semester submission.

Key Features

Main things you can do with the Age Calculator App.

  • Exact age in years, months, days
  • Total days and hours lived
  • Next birthday countdown
  • Zodiac sign
  • Age difference between two dates
  • Save family birthdays
  • Birthday reminders
  • Share result

Project Modules

The project is divided into these modules. Each one has its own screens and tasks.

1Calculator

  • Date of birth
  • Today
  • Result
  • Details

2Birthday

  • Countdown
  • Zodiac
  • Day of week
  • Share

3Saved People

  • Add
  • List
  • Reminders
  • Delete

4Tools

  • Age difference
  • Date difference
  • Settings
  • Theme

What You Get

Everything you need to submit, run and explain the project.

Complete Source Code

Full, working source code with clean folder structure and helpful comments. No locked or hidden files.

Database File

Ready-to-use PostgreSQL database with tables and sample data, so the project runs on day one.

Project Documentation

Full project report in Word and PDF: abstract, SRS, use case, activity and class diagrams, and app screen flow, screenshots, testing and conclusion.

PPT Presentation

A 15–20 slide presentation for your seminar, review or final viva. Easy to edit with your name and college.

Remote Project Setup

We connect to your laptop with AnyDesk or Google Meet, install everything and run the project for you.

Project Explanation

A simple walkthrough of the code and flow, plus common viva questions, so you can explain it with confidence.

Project Documentation includes

  1. Certificate, acknowledgement and abstract
  2. Introduction, problem statement and objectives
  3. Existing system vs proposed system
  4. Software Requirement Specification (SRS)
  5. System design: use case, activity and class diagrams, and app screen flow
  6. Module description and screenshots
  7. Testing and test cases
  8. Conclusion, future scope and references

PPT Presentation slides

  1. Title and team details
  2. Introduction and problem statement
  3. Objectives
  4. Existing vs proposed system
  5. System architecture
  6. Modules
  7. Technology used
  8. Screenshots / demo
  9. Advantages and future scope
  10. Conclusion

Tech Stack

PartTechnologyUsed for
LanguageJava/KotlinApp logic and screens
IDEAndroid StudioBuild, run and test the app
UIXML layouts / Material DesignClean, easy-to-use screens
DatabasePostgreSQLStores app data (offline or cloud)

Software and hardware requirements

  • Laptop with 8 GB RAM (recommended) and Windows, macOS or Linux
  • Latest Android Studio with JDK 17
  • Android phone (Android 8+) or an emulator
  • Internet connection for Gradle sync and cloud features

How the Age Calculator App Works

1

Open app

User opens the app and signs in or starts as a guest.

2

Use features

User adds data and uses the main tools of the app.

3

Save data

Data is saved on the phone and synced with PostgreSQL where needed.

4

Alerts

The app shows reminders, notifications and simple reports.

Remote Project Setup Guidance

Not sure how to run it? We set up the project on your laptop over AnyDesk or Google Meet. No need to visit us.

  1. 1
    Share your details
    Tell us your laptop type (Windows / Mac) and a time that suits you.
  2. 2
    Install AnyDesk
    Install free AnyDesk (or join Google Meet) and share the access code.
  3. 3
    We set it up
    We install the required software, import the database and configure the Android app.
  4. 4
    Test together
    We run the project in front of you and check every main feature.
  5. 5
    Understand it
    We explain the code, flow and database so you are ready for your viva.

  1. Install Android Studio and open it once so it downloads the SDK.
  2. Choose File → Open and select the project folder.
  3. Wait for Gradle sync to finish (first time may take a few minutes).
  4. Check the database / API settings file if the project uses a server.
  5. Connect your phone with USB debugging ON (or start an emulator) and click Run.

Age Calculator App Images

Age Calculator App - Birthday Cake Candles
Birthday Cake Candles Image: Pdpics / CC BY-SA 3.0 via Wikimedia Commons
Age Calculator App - Tim Tams and Nuts on a Birthday Cake With Candles
Tim Tams and Nuts on a Birthday Cake With Candles Image: Brassluff / CC0 via Wikimedia Commons

What You Will Learn

Android activities, fragments and layouts Saving data with PostgreSQL Notifications, permissions and background tasks RecyclerView lists and Material Design Building and sharing an APK file

Frequently Asked Questions

Yes. Age Calculator App is a practical major (final year) project that solves a real problem. It is suitable for BCA, MCA, BSc IT, BE / B.Tech (CSE / IT) and diploma students. It is easy to explain in a viva and easy to extend with your own ideas.

This Android app is built with Java/Kotlin, Android Studio, PostgreSQL. The full technology list is in the "Tech Stack" section above.

Yes. You get the complete source code and the PostgreSQL database file with sample data. Nothing is locked or hidden.

Yes. You get a full project report (Word and PDF) with diagrams and screenshots, and a ready PPT presentation for your review or viva.

Yes. We offer remote setup using AnyDesk or Google Meet. We install the software, run the project and explain how it works.

Yes. Small changes such as your college name, colours or extra fields can be done. Bigger custom features can be discussed on call or WhatsApp.

We follow a simple rule: you see the project running first, then you make the payment. You can pay by UPI or bank transfer.

Project Details

Available
  • ProjectAge Calculator App
  • TypeMajor Project
  • CategoryAndroid App
  • LanguageJava/Kotlin
  • FrameworkAndroid Studio
  • DatabasePostgreSQL
  • DocumentationReport + PPT
  • SetupRemote help
  • DeliverySource Code + Documentation
Chat on WhatsApp
Get the project first, then pay. No advance needed.

Need help? Call or WhatsApp

+91 90670 53826 +91 91451 51367

Available every day, 9 AM – 9 PM IST.

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