LingoFlow

A modern Android translation app powered by ML Kit, Merriam-Webster Dictionary, and AI — built with Jetpack Compose.

Features

• Instant Translation — ML Kit on-device translation (English ↔ Chinese ↔ Japanese ↔ Korean); long texts stream through the LLM with automatic layout formatting (paragraphs & lists) and can be cancelled at any time
• Dictionary Lookup — Authoritative definitions from Merriam-Webster with phonetics, examples, and etymology; tap any word in a translation to look it up
• AI-Powered Learning — Context-aware explanations and multiple translation styles (Natural / Concise / Formal / Learning) via LLM, with live streaming output
• Listen & Pause — Text-to-speech for translations with play/pause state; long passages are read sentence by sentence
• Privacy-First — API keys stay on your device (EncryptedSharedPreferences)

Download

Grab the latest APK from Releases.

Tech Stack

• Kotlin + Coroutines + Flow
• Jetpack Compose + Material 3
• Hilt (DI)
• ML Kit Translation
• OkHttp + kotlinx.serialization
• DataStore + EncryptedSharedPreferences

Build

./gradlew :app:assembleDebug

Release Build

1. 将 lingoflow-release.jks 放置于 app/ 目录下
2. 在项目根目录 local.properties（已被 gitignore）中添加：

   RELEASE_STORE_PASSWORD=your_keystore_password
   RELEASE_KEY_ALIAS=lingoflow
   RELEASE_KEY_PASSWORD=your_key_password
   

3. 执行 ./gradlew :app:assembleRelease（未配置密钥时自动回退 debug 签名，供 CI/侧载使用）

Release 构建启用 R8 压缩与资源收缩（keep 规则见 app/proguard-rules.pro），且只打包 arm64-v8a / armeabi-v7a 两种手机 ABI，通用 APK 体积约 33MB。

License

MIT © 2026 Stafind