Repo brief: niedev/RTranslator

Generated by RepoPilot · document generated 2026-09-16 · concise human review Evidence snapshot · analyzed 2026-09-16T07:11:17.458Z · commit a040a3d62c8d

Verdict

Mixed — Single-maintainer risk — review before adopting

• Last commit 1w ago
• 2 active contributors
• Apache-2.0 licensed
• Tests present

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard

What it is

RTranslator is an offline Android app that performs real-time bidirectional speech translation between two people via Bluetooth, combining Meta's NLLB translation model and OpenAI's Whisper speech recognition—both running locally on the phone. It offers three modes: Conversation (multi-person peer-to-peer), WalkieTalkie (single-phone language detection), and classic Text translation, ensuring private, internet-free translation without cloud dependencies. Monolithic Android app: app/src/main/java contains UI activities (GeneralActivity, LoadingActivity, AccessActivity) and service layer (GeneralService); app/src/main/cpp/src wraps native translation engines (BergamotTranslator,…

Start here

Open these first:

• app/src/main/java/nie/translator/rtranslator/voice_translation/VoiceTranslationActivity.j… — Primary entry point for the voice translation feature; orchestrates UI lifecycle and translation workflow.
• app/src/main/java/nie/translator/rtranslator/voice_translation/_conversation_mode/_conver… — Core service managing real-time conversation state, message routing, and peer synchronization.
• app/src/main/java/nie/translator/rtranslator/bluetooth/BluetoothCommunicator.java — Abstracts Bluetooth communication; bridges local translation logic with remote peer connections.
• app/src/main/cpp/src/bergamot_translator/BergamotTranslator.cpp — Native C++ implementation of offline translation engine; critical performance-sensitive layer.
• app/src/main/java/nie/translator/rtranslator/downloader2/DownloadManager.java — Manages model and language pack downloads; required to initialize translation assets at runtime.

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone via git clone https://github.com/niedev/RTranslator.git; verify Android Studio, NDK 28.0.12674087, and CMake are installed; open app/build.gradle—no Maven/Gradle wrapper evident in file list, so ensure gradle is…

Daily commands:

No explicit dev-server concept (native Android app). Build with ./gradlew assembleDebug (inferred from app/build.gradle); deploy to emulator/device via adb install app/build/outputs/apk/debug/app-debug.apk. Full ver…

…shortened for this brief.

Key cautions & unknowns

• Small team — 2 contributors active in recent commits
• Single-maintainer risk — top contributor 99% of recent commits
• No CI workflows detected
• Model assets large: fasttext.ftz and sentencepiece_bpe.model bundled in APK will bloat size significantly; verify ProGuard rules in app/proguard-rules.pro don't strip JNI method names (common crash source). **NDK…
• Published-advisory coverage was unavailable for the captured dependencies.
• Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

• Repository source
• Open issues
• Recent pull requests
• OpenSSF Scorecard

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

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