A minimalist e-book reader for Wear OS. Send books from your phone and read them on your watch.
- Supports .txt and .epub — Epub is parsed to text on the phone before syncing
- Phone-to-watch transfer — Add books on the phone app, they sync to your watch instantly
- Smart pagination — Automatic page breaks at sentence/paragraph boundaries, optimized for round screens
- Text-to-speech — Long press to open TTS controls, auto-detects Chinese/English and switches voices
- Rotary crown — Turn the crown to flip pages (reader) or scroll (library/settings)
- Tap navigation — Tap left/right thirds to go back/forward, center to toggle toolbar
- Swipe to delete — Swipe left on a book to remove it
- Customizable — Font size, typeface (黑体 / 宋体 / 楷体 with bundled LXGW WenKai), TTS voice & speed
WatchReader/
├── mobile/ # Phone companion app (add & send books)
├── wear/ # Wear OS reader app
│ ├── ui/ # Compose screens (Library, Reader, Settings)
│ ├── tts/ # TTS with sentence highlighting & language detection
│ └── data/ # Room database + repository
└── shared/ # Cross-module models (BookMetadata, ReadingProgress)
./gradlew :wear:assembleDebug
./gradlew :mobile:assembleDebugInstall to watch via ADB:
adb connect <watch-ip>:<port>
adb install wear/build/outputs/apk/debug/wear-debug.apk- Wear OS 3+ (API 30+)
- Phone app requires Google Play Services for Wearable Data Layer
楷体 typeface uses LXGW WenKai Lite Regular, subsetted to GB2312 + ASCII (~3.5MB). Licensed under SIL Open Font License 1.1.