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Echo Music

 

A modern Android music app with streaming, synced lyrics, offline playback, and an intuitive user experience.

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• High-quality audio streaming (up to 256kbps for supported accounts).
• Browse charts, podcasts, moods, and genres.
• Comprehensive search functionality across the music catalog.
• Playback data analytics and automated custom playlists.
• Video playback support (1080p with subtitles).
• Artificial Intelligence based song suggestions.
• Crossfade and gapless playback capabilities.
• Customizable application themes (Light, Dark, and dynamic colors).
• Sleep timer functionality.
• Android Auto integration for in-car listening.
• Support for Spotify Canvas visualizations.

Echo Music is built utilizing a modern Android and Kotlin Multiplatform (KMP) architecture to ensure scalability, maintainability, and high performance.

• Kotlin Multiplatform (KMP): The core business logic, domain models, and data access layers are encapsulated within a dedicated core Git submodule. This enables logic sharing across platforms and isolates critical services.
• UI Layer: The application interface is built entirely with Jetpack Compose, offering a reactive and declarative UI paradigm.
• Media Playback: Playback is handled by AndroidX Media3 (ExoPlayer), providing robust handling of audio streams, local caching, and gapless transitions.
• Dependency Injection: Koin is utilized for dependency injection, decoupling module lifecycles and simplifying testing.
• Local Storage: Room Database manages structured local data (playlists, favorites, cache metadata) while DataStore manages user preferences.
• Modularization: The project is strictly modularized by feature and layer (e.g., :core:data, :core:domain, :core:media3, :core:service:spotify, :core:service:lyricsService). This structure reduces build times and enforces clear boundary separations.

• Firebase Integration: Echo Music utilizes Firebase Crashlytics for real-time crash reporting and Firebase Analytics to monitor application performance and usage metrics. This telemetry data is critical for maintaining app stability and guiding future improvements.
• Monetization: To sustain the infrastructure, development, and maintenance costs associated with this project, minimal advertisements are integrated within the application.

This guide walks you through moving your playlists from the old Echo Music app to the new one, using a backup-and-convert process.

1. Back up your playlists (old app)

• Open the old Echo Music app
• Go to Settings
• Select Backup and Restore
• Tap Backup → Local Backup
• This creates a .backup file saved on your device

2. Visit the migration site

• Open https://echomusic.fun/migrate in your browser

3. Upload and convert the file

• Upload the .backup file from Step 1
• The site processes it and generates a new .json file
• Download this file to your device

4. Open the new Echo Music app

• Install it (if not already) and launch it

5. Import your playlists

• Go to Settings
• Select Backup and Restore
• Tap Import Playlists

6. Select the converted file

• Choose the .json file from Step 3
• Your playlists will now appear in the new app

Echo Music, developed by Aditya (@iad1tya), is built on top of the SimpMusic project. Huge thanks to the SimpMusic developers for their excellent open-source work, which forms the reliable foundation this project builds upon.

Download the latest pre-compiled APK from the Releases Page.

If you find Echo Music valuable, please consider supporting the development infrastructure:

Echo Music is licensed under the GPL-3.0 License. See the LICENSE file for details.