<h1>RikiNote - Secure Notes with PIN Lock | Android Studio Source Code</h1> <p>Welcome to <strong>RikiNote</strong> - a beautifully designed, feature-rich note-taking application built with <strong>Native Java</strong> 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.</p> <p>Developed by <strong>Nitai Studio</strong>, RikiNote combines modern Material Design principles with robust functionality, creating an intuitive and secure note-taking experience that users will love.</p> <hr> <h2> DEMO APK - Try Before You Buy!</h2> <p><strong>Want to test the app before purchasing?</strong><br> <a href="https://drive.google.com/uc?export=download&amp;id=1EkyTX5Xqo3qOoqCmv7Mlx4eVhg3JDi0K" target="_blank"><strong>Click Here to Download Demo APK</strong></a> </p> <p><em>Experience the smooth UI, PIN lock security, and all features firsthand before purchasing the source code!</em></p> <hr> <h2> FEATURES</h2> <h3> SECURITY</h3> <ul> <li><strong>PIN Lock System</strong> - Protect user notes with 4-digit PIN</li> <li><strong>Setup &amp; Verification</strong> - Easy PIN setup and verification flow</li> <li><strong>Secure Local Storage</strong> - All notes stored locally on device</li> </ul> <h3> NOTES MANAGEMENT</h3> <ul> <li><strong>Create Notes</strong> - Add title and detailed content</li> <li><strong>Edit Notes</strong> - Update existing notes anytime</li> <li><strong>Delete Notes</strong> - Swipe to delete with confirmation dialog</li> <li><strong>Auto Save</strong> - Notes are saved automatically</li> </ul> <h3> CUSTOMIZATION</h3> <ul> <li><strong>8 Beautiful Colors</strong> - Customize each note with different colors</li> <li><strong>Grid &amp; List View</strong> - Toggle between two view modes</li> <li><strong>Material Design UI</strong> - Modern, clean interface</li> </ul> <h3> SHARING</h3> <ul> <li><strong>Share Notes</strong> - Share note content to other apps</li> </ul> <h3> PERFORMANCE</h3> <ul> <li><strong>Lightweight</strong> - APK size under 8MB</li> <li><strong>Fast &amp; Smooth</strong> - Optimized for all devices</li> <li><strong>No Internet Required</strong> - Works completely offline</li> </ul> <hr> <h2> PERFECT FOR</h2> <ul> <li> Publishing your own Notes App on Google Play Store</li> <li> Learning Android Development with Java</li> <li> Reskinning and rebranding</li> <li> Adding to your portfolio</li> <li> Clients who need a ready-made Notes solution</li> </ul> <hr> <h2> TECHNICAL SPECIFICATIONS</h2> <table border="1" cellpadding="8" cellspacing="0" style="border-collapse: collapse; width: 100%;"> <tr style="background-color: #6200EE; color: white;"> <th>Specification</th> <th>Details</th> </tr> <tr><td><strong>Language</strong></td><td>Java</td></tr> <tr><td><strong>IDE</strong></td><td>Android Studio</td></tr> <tr><td><strong>Min SDK</strong></td><td>24 (Android 7.0)</td></tr> <tr><td><strong>Target SDK</strong></td><td>34 (Android 14)</td></tr> <tr><td><strong>Architecture</strong></td><td>MVC</td></tr> <tr><td><strong>Storage</strong></td><td>SharedPreferences + Gson</td></tr> <tr><td><strong>UI Framework</strong></td><td>Material Design Components</td></tr> <tr><td><strong>Development Hours</strong></td><td>60+ Hours</td></tr> </table> <hr> <h2> REQUIREMENTS</h2> <h3> Development Environment</h3> <ul> <li><strong>Android Studio</strong> - Ladybug (2024.2.1) or newer</li> <li><strong>JDK</strong> - Version 17 or newer</li> <li><strong>Android SDK</strong> - API Level 34 (Android 14)</li> <li><strong>Gradle</strong> - Version 8.2.0 or newer</li> </ul> <h3> Device Requirements</h3> <ul> <li><strong>Minimum Android Version:</strong> Android 7.0 (API 24)</li> <li><strong>Target Android Version:</strong> Android 14 (API 34)</li> <li><strong>RAM:</strong> Minimum 2GB</li> <li><strong>Internet:</strong> Not Required (Works Offline)</li> </ul> <hr> <h2> WHAT YOU GET</h2> <ul> <li> Complete Android Studio Project</li> <li> Clean &amp; Well-Commented Code</li> <li> Ready to Build APK</li> <li> Easy to Reskin (Change colors, icons, name)</li> <li> Full Documentation (Setup Guide)</li> <li> Free Lifetime Updates</li> </ul> <hr> <h2> HOW TO SETUP</h2> <ol> <li>Extract the ZIP file</li> <li>Open project in <strong>Android Studio</strong></li> <li>Wait for Gradle sync to complete</li> <li>Click <strong>Run</strong> </li> </ol> <p>That's it! Your app is ready!</p> <hr> <h2> EASY TO CUSTOMIZE</h2> <ul> <li><strong>Change App Name:</strong> Open <code>res/values/strings.xml</code> → Change <code>app_name</code></li> <li><strong>Change Package Name:</strong> Right-click on project → Refactor → Rename</li> <li><strong>Change Colors:</strong> Open <code>res/values/colors.xml</code> → Modify values</li> <li><strong>Change App Icon:</strong> Right-click on <code>res</code> → New → Image Asset</li> </ul> <hr> <h2> DOCUMENTATION INCLUDED</h2> <ul> <li> Project Setup Guide</li> <li> How to Change App Name</li> <li> How to Change Package Name</li> <li> How to Change App Icon</li> <li> How to Change Colors</li> <li> How to Generate Signed APK</li> <li> How to Publish on Google Play Store</li> </ul> <hr> <h2> LIBRARIES USED</h2> <ul> <li> Material Design Components</li> <li> Lottie Animations</li> <li> Gson (JSON parsing)</li> <li> AndroidX Biometric</li> </ul> <hr> <h2> FUTURE UPDATES (Free Lifetime)</h2> <ul> <li> Fingerprint / Face Unlock Support</li> <li> Dark Mode / Light Mode Toggle</li> <li> Search Notes Feature</li> <li> Backup &amp; Restore Notes</li> </ul> <p><em> All updates will be provided FREE to existing customers!</em></p> <hr> <h2> SUPPORT</h2> <p>Need help? I'm here for you!<br> <strong>Email:</strong> <a href="mailto:nitai.grp00@gmail.com">nitai.grp00@gmail.com</a><br> <strong>Response Time:</strong> Within 24 hours<br> <strong>Free Installation Support:</strong> Included with purchase</p> <hr> <h2>‍ DEVELOPER</h2> <p><strong>Nitai Studio</strong><br> Professional Android Developer</p> <hr> <p><strong> Get RikiNote today and launch your own Notes App on Google Play Store!</strong></p>