RikiNote - Secure Notes with PIN Lock | Android Studio Source Code
Secure notes app with PIN lock, 8 color themes, grid/list view. Android Studio Java source code. Easy to reskin & publish on Play Store.
Item Description
RikiNote - Secure Notes with PIN Lock | Android Studio Source Code
Welcome to RikiNote - a beautifully designed, feature-rich note-taking application built with Native Java for Android. This is the complete Android Studio source code project - perfect for developers who want to publish their own note app on Google Play Store, or for those who want to learn Android development with clean, well-commented code.
Developed by Nitai Studio, RikiNote combines modern Material Design principles with robust functionality, creating an intuitive and secure note-taking experience that users will love.
DEMO APK - Try Before You Buy!
Want to test the app before purchasing?
Click Here to Download Demo APK
Experience the smooth UI, PIN lock security, and all features firsthand before purchasing the source code!
FEATURES
SECURITY
- PIN Lock System - Protect user notes with 4-digit PIN
- Setup & Verification - Easy PIN setup and verification flow
- Secure Local Storage - All notes stored locally on device
NOTES MANAGEMENT
- Create Notes - Add title and detailed content
- Edit Notes - Update existing notes anytime
- Delete Notes - Swipe to delete with confirmation dialog
- Auto Save - Notes are saved automatically
CUSTOMIZATION
- 8 Beautiful Colors - Customize each note with different colors
- Grid & List View - Toggle between two view modes
- Material Design UI - Modern, clean interface
SHARING
- Share Notes - Share note content to other apps
PERFORMANCE
- Lightweight - APK size under 8MB
- Fast & Smooth - Optimized for all devices
- No Internet Required - Works completely offline
PERFECT FOR
- Publishing your own Notes App on Google Play Store
- Learning Android Development with Java
- Reskinning and rebranding
- Adding to your portfolio
- Clients who need a ready-made Notes solution
TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Language | Java |
| IDE | Android Studio |
| Min SDK | 24 (Android 7.0) |
| Target SDK | 34 (Android 14) |
| Architecture | MVC |
| Storage | SharedPreferences + Gson |
| UI Framework | Material Design Components |
| Development Hours | 60+ Hours |
REQUIREMENTS
Development Environment
- Android Studio - Ladybug (2024.2.1) or newer
- JDK - Version 17 or newer
- Android SDK - API Level 34 (Android 14)
- Gradle - Version 8.2.0 or newer
Device Requirements
- Minimum Android Version: Android 7.0 (API 24)
- Target Android Version: Android 14 (API 34)
- RAM: Minimum 2GB
- Internet: Not Required (Works Offline)
WHAT YOU GET
- Complete Android Studio Project
- Clean & Well-Commented Code
- Ready to Build APK
- Easy to Reskin (Change colors, icons, name)
- Full Documentation (Setup Guide)
- Free Lifetime Updates
HOW TO SETUP
- Extract the ZIP file
- Open project in Android Studio
- Wait for Gradle sync to complete
- Click Run
That's it! Your app is ready!
EASY TO CUSTOMIZE
- Change App Name: Open
res/values/strings.xml→ Changeapp_name - Change Package Name: Right-click on project → Refactor → Rename
- Change Colors: Open
res/values/colors.xml→ Modify values - Change App Icon: Right-click on
res→ New → Image Asset
DOCUMENTATION INCLUDED
- Project Setup Guide
- How to Change App Name
- How to Change Package Name
- How to Change App Icon
- How to Change Colors
- How to Generate Signed APK
- How to Publish on Google Play Store
LIBRARIES USED
- Material Design Components
- Lottie Animations
- Gson (JSON parsing)
- AndroidX Biometric
FUTURE UPDATES (Free Lifetime)
- Fingerprint / Face Unlock Support
- Dark Mode / Light Mode Toggle
- Search Notes Feature
- Backup & Restore Notes
All updates will be provided FREE to existing customers!
SUPPORT
Need help? I'm here for you!
Email: nitai.grp00@gmail.com
Response Time: Within 24 hours
Free Installation Support: Included with purchase
DEVELOPER
- Nitai Studio
- Professional Android Developer
Get RikiNote today and launch your own Notes App on Google Play Store!
Features
- <hr>
- <h2>🔮 FUTURE UPDATES (Free Lifetime)</h2>
<p>When you purchase RikiNote, you get <strong>FREE lifetime updates</strong>! Here's what's planned:</p>
- <h3>📅 Version 1.1 (Coming Soon)</h3>
- <ul>
- <li>✅ Fingerprint / Face Unlock Support</li>
- <li>✅ Dark Mode / Light Mode Toggle</li>
- <li>✅ Search Notes Feature</li>
- <li>✅ Note Categories/Folders</li>
- </ul>
- <h3>📅 Version 1.2 (Planned)</h3>
- <ul>
- <li>✅ Backup & Restore Notes (JSON Export)</li>
- <li>✅ Export Notes as PDF/TXT</li>
- <li>✅ Rich Text Formatting (Bold, Italic)</li>
- <li>✅ Voice Notes Support</li>
- </ul>
- <h3>📅 Version 1.3 (Planned)</h3>
- <ul>
- <li>✅ Cloud Sync (Google Drive Backup)</li>
- <li>✅ Reminders & Notifications</li>
- <li>✅ Home Screen Widget</li>
- <li>✅ Multi-language Support</li>
- </ul>
- <p><em>⭐ All updates will be provided FREE to existing customers!</em></p>
<p><em>💡 Have a feature request? Email us and we'll consider adding it!</em></p>
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Information
| Category | App Templates / Android |
| First Release | 17 April 2026 |
| Platforms | Android 4.1.x, Android 4.2.x, Android 4.3.x, Android 4.4, Android 5.0, Android 6.0, Android 7.0, Android 8.0, Android 9.0, Android 10.0 |
| Files included | .apk |
| File Size | 123 MB |
| Frameworks | Android |