QuantumVault is a professional-grade cryptographic vault app designed to keep your digital life safe, simple, and stylish. Built using the powerful AES encryption algorithm, it ensures all stored data remains private and inaccessible to anyone but the user.

Demo Apk file

⚙️ Why You Will Love It

Well-structured and easily customizable source code. Not just template, fully working app.

Written with clarity and modular design principles.

Perfect for developers building vault, password manager, or privacy-based Android apps.

Ready to publish app — Edit app name, icons, build the project, then publish!

🚀 Ideal Use Cases

Security-focused personal vault apps.

Password manager projects.

Privacy or productivity tool apps.

Educational projects showcasing AES encryption and local data storage.

💡 Tech Highlights

AES encryption implementation for maximum data protection.

Fully offline architecture — no external dependencies for data security.

Intruder detection system with camera capture integration.

Beautiful material-inspired UI with smooth animations.

Password Manager

Secrets Notes keeper

Private to-dos list

File Manager

Password Generator

Intruder Capture (Photo)

Dark/Light Mode

Robust AES encryption algorithm

Modern & Clean UI

Well documented

No backend dependency

Androidx modern architecture

Android Studio (version Arctic Fox or higher)

Java Development Kit (JDK 8 or above)

Gradle 7.0+

1. Extract the Files

Download the provided .zip package from your Codester account.

Extract it using WinRAR, 7-Zip, or any archive tool of your choice.

2. Open the Project in Android Studio

Launch Android Studio (Arctic Fox or newer).

Click “Open Project” and select the extracted QuantumVault folder.

Wait for Gradle to finish syncing all dependencies.

3. Configure App Details

Open app/build.gradle and change:

applicationId to your own package name.

versionName and versionCode if you wish.

Update app name from “QuantumVault” to your preferred name in

res/values/strings.xml → app_name.

4. Customize UI (Optional)

Modify colors, icons, and layouts inside the res/ folder.

Add or replace branding elements like logos in res/mipmap or res/drawable.

Adjust typography and theme in themes.xml.

5. Enable or Disable Intruder Vision

If you wish to use the Intruder Vision feature (photo capture after failed login):

Make sure your app has Camera Permission enabled in AndroidManifest.xml.

To disable it, simply comment out or remove the related function calls in the LockScreenActivity.java.

Remove the option from settings.xml UI

6. Build and Run

Connect your Android device or start an emulator.

Click Run ▶️ in Android Studio.

Your app is now ready — fully functional and secure with AES encryption and offline data storage.