by warda_28

A React Native mobile application that enables users to send SMS messages directly to any recipient silently and instantly, without ever opening or triggering the device's default SMS application. The entire sending process happens within the app itself, giving users full control over the messaging flow in one place. The core purpose of this app is straightforward — the user opens the app, enters the recipient's phone number, types the message they want to send, and hits the send button. The message is delivered silently in the background without any redirection to the native SMS composer or any default messaging app. Everything stays within the app, making the experience seamless and uninterrupted. This is purely a functionality-focused application. There is no complex navigation, no social features, no chat threads — just two input fields and a button that gets the job done. The user provides a phone number, writes their message, and the app handles the rest quietly behind the scenes
Mobile 6BJO is a React Native SMS sender application built with Expo that enables users to send SMS messages directly from their Android device. The app provides a clean, intuitive interface for entering a recipient's phone number and message body, then sends the SMS silently without opening the default messaging app. It supports both bare React Native CLI and Expo-based implementations.
react-native-send-direct-smsSEND_SMS permission at runtime (Android 6.0+) with user-friendly dialogsnpm install -g expo-cli# Install dependencies
npm install
# For Expo-based setup
expo install
# For bare React Native setup
cd android && ./gradlew clean && cd ..
Expo Version:
npx expo start
# Then press 'a' for Android or scan QR code with Expo Go app
Spin up an isolated sandbox and run it server-side — no local setup.
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Bare React Native Version:
npx react-native run-android
Ensure your Android device is connected via USB with debugging enabled.
The app requests the following permissions at runtime:
SEND_SMS — Required to send messagesRECEIVE_SMS — Required by the SMS libraryREAD_SMS — Required by the SMS libraryREAD_PHONE_STATE — Device state checksREAD_CONTACTS — Contact access (Expo version)Users will see a permission dialog on first SMS send attempt.
SEND_SMS permission if not already grantedSendDirectSms sends the message silently├── app/
│ ├── _layout.tsx # Root layout with navigation
│ └── index.tsx # Main SMS sender UI
├── src/
│ └── smsService.ts # Background task registration
├── app.json # Expo configuration
├── package.json # Dependencies
├── babel.config.js # Babel configuration
├── tsconfig.json # TypeScript configuration
└── android/ # Android-specific files (bare RN)
└── app/src/main/
└── AndroidManifest.xml # Android permissions
"SMS permission denied"
→ Go to device Settings → Apps → App Name → Permissions → Enable SMS
App crashes on launch
→ Run npx expo start --clear or npx react-native log-android to view logs
SMS not sending on emulator
→ Use a physical Android device. Emulators lack real SIM cards
Build fails with Gradle error (bare RN)
→ Run cd android && ./gradlew clean then retry npx react-native run-android
Module not found errors
→ Delete node_modules and package-lock.json, then run npm install again
Tetrees License
The sandbox audition completed and the detected runnable path passed.
This React, React Native mobile app completed archive review with strong static results. Structure, dependency manifests, documentation, functional source, and common risk patterns were checked by the Tetrees verification pipeline; runtime phases are stated separately. Final verified scores after isolated runtime evidence: overall 8.6 and security 9.
Deterministic AVCP artifact review
Pipeline avcp-2026-08-04.1 · SHA-256 2a0c463412f59fef…
This version-scoped review deterministically inspects the submitted archive for structure, dependencies, documentation, functional source, and common malicious or high-risk signals. Build and test phases are reported as passed only after an isolated sandbox audition. It is not a guarantee of perfect security.
Reviewed Aug 7, 2026
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