EchoJournal is a colorful and intuitive audio journaling application developed as part of the Mobile Dev Campus Monthly Challenge by Philipp Lackner for January of 2025. It demonstrates modern Android development practices and architecture while providing a seamless voice memo journaling experience.
- 🎙️ Quick and easy voice memo recording
- 🎨 Mood-based color coding for entries
- 🏷️ Customizable topic tagging system
- 📅 Smart date-based organization
- 📝 Optional text descriptions for voice memos
- 🔍 Advanced filtering by mood and topics
- 🤖 AI-powered voice transcription
- 📱 Home screen widget for quick recording
- ⚡ Gesture-based recording interface
This project showcases modern Android development practices and technologies:
- Clean Architecture principles
- MVVM pattern with UI States
- Repository pattern for data management
- Single Activity architecture
- Compose: Modern declarative UI with gesture support
- Room: Local database for memo storage
- Hilt: Dependency injection
- DataStore: User preferences storage
- Navigation: Single Activity navigation
- Media3: Audio playback and recording
- Glance: Home screen widget implementation
- Kotlin: 100% Kotlin codebase with coroutines and flows
- Material Design 3: Modern and consistent UI/UX
- Version Catalog: Dependency management
- AudioVisualizer: Real-time audio amplitude visualization
- Efficient audio recording with amplitude tracking
- Format preservation for high-quality audio
- Smart handling of audio focus and interruptions
- Bottom sheet implementation for quick recording
- Gesture-based recording with haptic feedback
- Dynamic audio visualization
- Smart date grouping for entries
- Material Design 3 theming
- Expandable text descriptions
- Room database for memo storage
- Efficient audio file management
- User preferences for default mood and topics
- Content provider integration for audio files
- Clone the repository
git clone https://github.com/BLTuckerDev/EchoJournal.git-
Open the project in Android Studio (latest version recommended)
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Build and run the project
- Minimum SDK: 27 (Android 8.1)
- Target SDK: 35 (Android 15)
- Kotlin 2.0.21
- RECORD_AUDIO permission required for voice recording
- Basic audio recording and playback
- Mood and topic tagging
- History view with filtering
- Basic settings for defaults
- AI-powered transcription
- Gesture-based quick recording
- Enhanced audio visualization
- Additional UI refinements
This project was developed as part of the Mobile Dev Campus Monthly Challenge by Philipp Lackner. The challenge provided an opportunity to demonstrate Android development expertise while building a creative, user-focused application.
This project is licensed under the MIT License - see the LICENSE file for details.