Sadaiv Music

Private Android Music, Jam, Watch Together, Chat, and Calls App

problem.md

Music and media workflows are usually split across separate apps for local playback, synchronized listening, video watch parties, private messaging, calls, ringtone editing, lyrics, widgets, and privacy controls.

role.md

Android Product Developer - designed and built the private media, sync, communication, privacy, ringtone, and playback workflows end to end.

challenges.md

!Building a local-first music player that scans songs, albums, artists, folders, liked songs, playlists, and dynamic mixes

!Keeping Jam listen-along sessions synced across long-distance internet rooms and nearby Bluetooth/Wi-Fi discovery

!Synchronizing local video playback for Watch Together while handling buffering, room codes, QR joins, reactions, drawing overlays, and file requests

!Combining secure chat, groups, voice/video calls, notifications, disappearing messages, privacy modes, and Android permission flows

solutions.md

>Built a local player with queue management, shuffle/repeat, sleep timer, speed control, audio route visibility, equalizer, bass boost, virtualizer, gapless playback, and crossfade

>Added embedded lyrics, sidecar .lrc support, online lyric fetch/cache, synced auto-scroll, tap-to-seek, full lyrics view, and lyric sharing

>Implemented Jam rooms with 6-digit codes, host/listener roles, approvals, sync health, missing-song requests, agreed file transfer, received songs, haptics, and Couples Touch

>Built Watch Together rooms with local video sync, QR/code join, theater mode, gestures, reactions, drawing overlays, chat, and missing-file request/transfer flow

>Added private chat and calls with Google sign-in, friends, groups, message controls, scheduled messages, Trust Center, WebRTC calling, PiP, screen sharing, and safety-code awareness

>Created privacy modes, Chat Lock, Privacy Max, generic notifications, alternate launcher icons/names, clean-library filters, storage cleanup, ringtone tools, and widget controls

$ cat description.txt

A private Android app that combines local music playback, synced lyrics, playlists, Jam listen-along rooms, Watch Together video sync, secure chat, secure calls, ringtone tools, widgets, and privacy-focused app modes.

impact.log

Built a full private Android media product that goes beyond playback by combining personal music, synced shared sessions, watch parties, secure communication, ringtone creation, and privacy controls in one app.

$ git diff --stat

+Local music browsing for songs, albums, artists, folders, playlists, liked songs, received songs, and home mixes

+Jam listen-along with internet sync, nearby discovery, room codes, host approvals, queue sync, song requests, file transfer, haptics, and Couples Touch

+Watch Together with local video sync, QR joins, theater mode, gestures, reactions, drawing overlays, chat, and missing-movie transfer

+Secure chat and calling with groups, voice messages, disappearing timers, scheduled messages, WebRTC calls, PiP, screen share, and Trust Center

+Ringtone cutter, YouTube ringtone cutter, equalizer, synced lyrics, playlist import, audio splitting, clean-library controls, privacy modes, alternate launcher identities, and widget playback

tech-stack.txt

AndroidLocal MediaWebRTCBluetooth/NearbyGoogle Sign-InLRC LyricsWidgets

$ cd ../projects

apk code