📝 Intelli Notes (formerly My Notes App)

A sleek and intuitive note-taking application created using Flutter and Firebase, now enhanced with AI features powered by Google Gemini and fortified with robust encryption!

✨ Enhanced Features

• 🔐 Secure user authentication using Firebase Auth
• 💾 Efficient storage and retrieval of notes using Firebase Firestore
• 🔒 End-to-end encryption for all note content
• 🌙 Stylish dark mode interface with smooth toggle
• 🔗 Dedicated section for optional links in each note
• 🎨 Improved UI with color-coded notes and card layouts
• 🔍 Advanced search functionality to easily find notes
• 🧠 AI-powered title generator for your notes
• 💬 Chat with your notes using AI assistance
• 🏷️ Tag system for better note organization
• 📌 Pin important notes to the top
• 🗂️ Archive functionality for better note management
• 🗑️ Trash system with auto-deletion after 30 days
• 📊 Staggered grid view for dynamic note display
• 🖌️ Color filter for easy note browsing
• 📱 Responsive design for various screen sizes
• 🔑 Reset PIN feature for locked notes
• 🔄 Automatic app update checks using Firebase Remote Config
• ⏰ Reminder system for both standalone reminders and note-specific reminders
• 📅 Calendar view for managing reminders
• 🔔 Local notifications for reminders
• 🗓️ Ability to set date and time for reminders
• 🔄 Sync reminders across devices using Firebase
• 🎨 Customizable app theme with color selection
• 🖋️ Adjustable font size and family
• ⚙️ Comprehensive settings screen for app customization
• 🔏 Beautiful and informative Privacy Policy screen
• 🎭 Animated text effects for engaging user experience
• 🗂️ Expandable sections for better information organization
• 🎨 Theme-aware UI elements for consistent look and feel
• 🎙️ Voice-to-text functionality for easy note creation
• 🧠 AI-powered conversion of voice notes to structured text
• 🌚 AMOLED black theme for OLED screens
• 📷 Image-to-text functionality using Google ML Kit
• ✅ Todo list management with AI-powered generation

🔐 Security Features

• End-to-End Encryption: All note content is encrypted using AES encryption before being stored in the database
• Locked Notes: Secure your sensitive notes with a 4-digit PIN
• PIN Reset: Easily reset your PIN if forgotten, with email verification for added security
• Auto-lock: Locked notes are automatically hidden from the main view
• Secure Storage: Encrypted notes are stored in Firebase Firestore, ensuring data remains protected even if the database is compromised

📋 Todo List Management

• Create, edit, and delete todo items
• Mark todos as completed with a checkbox
• Set reminders for individual todo items
• Search functionality to quickly find specific todos
• Swipe-to-delete for easy todo removal
• Long-press to edit or delete todos
• AI-powered todo list generation from context
• Prioritized todo list with time estimates (AI-generated)
• Local notifications for todo reminders

🔄 App Updates

• Now you can check for updates using Firebase Remote Config
• Seamless update process with in-app prompts
• Ensures users always have the latest features and security improvements
• You can get the latest version from the GitHub repository

🔒 Privacy Policy Screen

• Sleek and modern design with card-based layout
• Animated title for engaging user experience
• Expandable sections for easy navigation through policy details
• Dark mode support for comfortable reading in any lighting condition
• Clear presentation of data collection, usage, and security practices
• Easy-to-find contact information for user inquiries

🤖 AI Features

• AI Title Generator: Automatically generate catchy and relevant titles for your notes using Google Gemini AI
• Chat with Notes: Engage in a conversation about your notes with an AI assistant, powered by Google Gemini
• AI-Powered Note Manipulation: Use special commands to modify your notes with AI assistance
• Voice-to-Text Conversion: Convert spoken words into text notes with AI-powered enhancement

AI Commands

Our app includes powerful AI-driven commands to help you manipulate and enhance your notes:

• /edit: Allows you to make specific edits to your note content using natural language instructions.
• /update: Similar to /edit, but typically used for broader updates or additions to your note.
• /rewrite: Completely rewrites your note while maintaining the core message, useful for improving clarity or changing the tone.
• /addemoji: Enhances your note by adding relevant emojis to key points or sections.
• /translate: Translates your note content into a specified language.

🌈 Color Coding

• Easily categorize and visually organize your notes with a selection of colors
• Choose from a range of preset colors when creating or editing a note
• Quickly identify note categories at a glance in the main notes list
• Filter notes by color for efficient organization

📋 Note Management

• Archive: Move less frequently used notes to the archive for a cleaner main view
• Trash: Safely delete notes with the ability to restore them within 30 days
• Auto-deletion: Notes in the trash are automatically deleted after 30 days

⏰ Reminder System

• Create standalone reminders or attach reminders to specific notes
• View reminders in a calendar interface
• Set custom date and time for each reminder
• Receive local notifications for reminders
• Edit and delete reminders easily
• Sync reminders across devices using Firebase
• Automatic deletion of expired reminders

🎨 Theme Customization

• Toggle between light and dark modes
• Choose from a variety of theme colors
• Adjust font size for better readability
• Select preferred font family
• Preview theme changes in real-time

🎙️ Speech-to-Note Feature

• Convert spoken words into text notes using advanced speech recognition
• Real-time transcription with visual feedback
• AI-powered enhancement of transcribed text into well-structured notes
• Intuitive interface with a floating action button for easy recording
• Clear visualization of recording status with animated microphone icon
• Options to clear, re-record, or convert the transcribed text

📷 Image-to-Text Feature

• Extract text from images using Google ML Kit
• Support for both camera capture and gallery image selection
• Automatically append extracted text to your note content
• User-friendly interface for seamless integration with note-taking workflow

⚙️ Settings Screen

• Access all app customization options in one place
• Easily toggle dark mode
• Select theme color from a dropdown menu
• Adjust font size using a slider
• Choose font family from available options
• Preview text changes in real-time

📸 Screenshots

🛠️ Technologies Used

• 📱 Flutter for cross-platform development
• 🔑 Firebase Authentication for secure user management
• 🗄️ Firebase Firestore for real-time data storage
• 🔄 Firebase Remote Config for dynamic app updates
• 🤖 Google Gemini for AI-powered features
• 🔒 AES encryption for robust data protection
• 📊 flutter_staggered_grid_view for dynamic note layouts
• 🎭 animated_text_kit for engaging text animations
• 🔗 url_launcher for opening links within notes
• 📤 share_plus for sharing note content
• 💾 shared_preferences for local data storage
• 🎨 flutter_colorpicker for color selection
• 📅 table_calendar for calendar view
• 🔔 flutter_local_notifications for local reminders
• 🔄 firebase_messaging for cross-device sync of reminders
• 🎨 Provider package for state management and theme customization
• 🗣️ speech_to_text for voice recognition
• 💡 google_generative_ai for AI-powered text enhancement
• ✨ avatar_glow for visual recording indicator
• 📷 image_picker for selecting images from gallery or camera
• 🖼️ google_mlkit_text_recognition for extracting text from images
• 📅 intl package for date formatting

🚀 Getting Started

1. 📥 Clone the repository
2. 📦 Install dependencies using flutter pub get
3. 🔧 Set up Firebase
   • Create a new Firebase project
   • Add your Flutter app to the Firebase project
   • Download and add the configuration files to the appropriate directory
   • Enable Authentication and Firestore in your Firebase console
   • Set up Remote Config for app updates
4. 🤖 Set up Google Gemini
   • Obtain an API key for Google Gemini
   • Add the API key to your key.dart file (ensure it's kept secure and not exposed in public repositories)
5. 🔒 Set up Encryption
   • Generate a secure encryption key and initialization vector
   • Store these securely (consider using Flutter's secure storage options)
6. Set up Speech-to-Text
   • Add the speech_to_text plugin to your pubspec.yaml
   • Ensure necessary permissions are set in AndroidManifest.xml and Info.plist
7. Configure Google Generative AI
   • Add the google_generative_ai plugin to your pubspec.yaml
   • Set up your API key for Google Generative AI
8. Configure local notifications
   • Add the flutter_local_notifications plugin to your pubspec.yaml
   • Initialize the plugin in your app
9. Set up Image-to-Text
   • Add the image_picker and google_mlkit_text_recognition plugins to your pubspec.yaml
   • Ensure camera and gallery permissions are set up correctly
10. ▶️ Run the app using flutter run

📖 Usage

• 👤 Register or login with a sleek, user-friendly interface
• ➕ Tap the floating action button to add a new note or todo
• ✏️ Fill in the title, content, and an optional link for your note
• 🧠 Use the AI title generator to create a title based on your note content
• 🎨 Select a color for your note to categorize it
• 🏷️ Add tags to your notes for easy filtering
• 📌 Pin important notes to keep them at the top of your list
• 💾 Tap 'Save Note' to store your encrypted note securely
• 🔍 Use the search functionality in the app bar to find specific notes or todos
• 💬 Chat with your notes to get AI-powered insights and answers
• 🤖 Use AI commands (/edit, /update, /rewrite, /addemoji, /translate) to manipulate your notes
• 🌓 Toggle between light and dark modes for comfortable viewing
• 🗂️ Archive notes you don't need frequently
• 🗑️ Move notes to trash and restore them if needed
• 🎨 Use color filters to browse notes by category
• 🔐 Set a PIN to lock sensitive notes
• 🔑 Reset your PIN if forgotten, using email verification
• 🔄 Receive prompts for app updates when available
• ⏰ Access the reminder screen from the main menu
• 📅 View your reminders in a calendar format
• ➕ Add new reminders by tapping the "Add Reminder" button
• 🖊️ Edit reminders by tapping on them in the list
• 🗑️ Delete reminders by swiping left on the reminder item
• 🔔 Receive notifications for your reminders at the set time
• 📎 Attach reminders to specific notes for better organization
• ⚙️ Access the Settings screen to customize app appearance
• 🎨 Choose your preferred theme color
• 🖋️ Adjust font size and family for better readability
• 🌓 Toggle dark mode easily from the Settings screen
• 🎙️ Access the voice note feature from the add screen
• 🗣️ Tap the microphone button to start recording your note
• 📝 Watch as your speech is transcribed in real-time
• 🧠 Use the AI-powered conversion to transform your voice note into a structured text note
• 💾 Save or edit the converted note as needed
• 📷 Use the image-to-text feature to extract text from images
• 📸 Capture an image or select from gallery to extract text
• 📝 Review and edit the extracted text before adding it to your note
• ✅ Create new todos by tapping the floating action button in the Todo List screen
• 📅 Set reminders for individual todos with date and time
• ✔️ Mark todos as completed by tapping the checkbox
• 🔍 Search for specific todos using the search bar
• 🖐️ Long-press on a todo to edit or delete it
• 👆 Swipe left on a todo to quickly delete it
• 🤖 Generate AI-powered todo lists by providing context or description of tasks
• 📊 View prioritized todo lists with time estimates (AI-generated)
• 🔔 Receive local notifications for todo reminders

🆕 UI Enhancements

• Color-coded notes for easy visual categorization
• Card-based layout for better organization
• Staggered grid view for dynamic note display
• Animated text effects for engaging user experience
• Responsive design for various screen sizes
• Customizable color filters for note browsing
• Drawer menu for easy navigation between notes, archive, and trash
• Calendar view for easy reminder management
• Sleek reminder creation and editing interface
• Comprehensive Settings screen for app customization
• Real-time theme preview in Settings
• Animated microphone button for clear recording status indication
• Bottom sheet interface for voice note recording and conversion
• Real-time transcription display in a scrollable container
• Image-to-text interface integrated seamlessly with note creation

🤝 Contributing

Contributions, issues, and feature requests are welcome. Feel free to check issues page if you want to contribute.

👨‍💻 Author

Piyush Bhardwaj

🙏 Acknowledgements

• Flutter framework
• Firebase platform
• Google Gemini AI
• flutter_staggered_grid_view package
• animated_text_kit package
• url_launcher package
• share_plus package
• intl package for date formatting
• shared_preferences package
• flutter_colorpicker package
• encrypt package for AES encryption
• table_calendar package for the calendar view
• flutter_local_notifications package for local reminders
• firebase_messaging for cross-device reminder sync
• Provider package for state management
• speech_to_text package for voice recognition
• google_generative_ai package for AI-powered features
• avatar_glow package for visual feedback
• image_picker package for image selection