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app/README.en.md

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Read in other languages: [Русский](./README.md)
# FromChat
FromChat is a 100% free and open-source messenger. This repository is the cross-platform client (Android + iOS; iOS is not ready yet).
[📥 Download](https://github.com/fromchat-messenger/android/releases/latest) • [💬 Telegram Channel](https://t.me/fromchat_ch) • [🖥️ Server](https://github.com/fromchat-messenger/backend)
## ✨ Features
- **Voice and video calls** — LiveKit
- **Screen sharing** during calls
- **Public chat** — server-wide community
- **Direct messages** — legal encryption scheme; server-side E2EE planned
- **Device management** — active sessions
- **Dark mode** by default
- **Open source**
## 📊 Client Comparison
⚠️ **iOS is temporarily not supported** (Apple constraints and development cost). It will ship later.
| Feature | Android | Web | iOS |
| --- | --- | --- | --- |
| **Messaging and profiles** | ✅ | ✅ | ❌ |
| **Voice/video calls** | ✅ | ✅ | ❌ |
| **Screen sharing** | ✅ | ✅ | ❌ |
| **Message reactions** | ❌ | ✅ | ❌ |
| **Rich attachment support** | ✅ | ❌ | ❌ |
---
## 🏗️ Tech Stack
- **Kotlin**
- **Compose Multiplatform**
- **Material Design 3**
- **Ktor Client**
- **LiveKit** — calls
- **SQLDelight** — local storage
- **Firebase Messaging** — push
- **Coil** — images
---
## 📥 Build and Development (Android Studio)
### Requirements
- Latest Android Studio
- JDK from Android Studio (JetBrains Runtime)
### Quick start
1. **Clone the repository:**
```bash
git clone https://github.com/fromchat-messenger/android.git
cd android
```
2. **Generate keys (Debug & Release):**
```bash
DEBUG_STORE_PASS=CHANGEME
DEBUG_KEY_PASS=CHANGEME
RELEASE_STORE_PASS=CHANGEME
RELEASE_KEY_PASS=CHANGEME
mkdir -p app/android/keys
keytool -genkey -v -keystore app/android/keys/debug.jks \
-keyalg RSA -keysize 2048 -validity 10000 \
-alias key0 -storepass $DEBUG_STORE_PASS -keypass $DEBUG_KEY_PASS \
-dname "CN=Debug, O=FromChat, C=RU"
keytool -genkey -v -keystore app/android/keys/release.jks \
-keyalg RSA -keysize 2048 -validity 10000 \
-alias key0 -storepass $RELEASE_STORE_PASS -keypass $RELEASE_KEY_PASS \
-dname "CN=Release, O=FromChat, C=RU"
cat > app/android/keystore.properties << EOF
releaseStorePassword=$RELEASE_STORE_PASS
releaseKeyPassword=$RELEASE_KEY_PASS
debugStorePassword=$DEBUG_STORE_PASS
debugKeyPassword=$DEBUG_KEY_PASS
EOF
```
3. **Open in Android Studio:** `File → Open` → repo root. Gradle syncs dependencies automatically.
4. **Run:** `Run → Run 'Android'` (or the app debug configuration).
Debug application id: `ru.fromchat.beta`.
### CLI build
```bash
export JAVA_HOME="/Applications/Android Studio.app/Contents/jbr/Contents/Home"
./gradlew :app:shared:compileAndroidMain :app:android:assembleDebug
```
APK: `app/android/build/outputs/apk/debug/android-debug.apk`.
### Project structure
```
android/
├── app/
│ ├── android/ # Android app module
│ └── shared/ # Compose Multiplatform
│ ├── commonMain/
│ ├── androidMain/
│ └── iosMain/ # not ready yet
├── utils/ # reusable utilities
│ ├── android/
│ └── shared/
└── gradle/libs.versions.toml
```
Code style: [CODE_STYLE.md](./CODE_STYLE.md).
---
## 🤝 Contribute
Pull requests are welcome. For large changes, follow `CODE_STYLE.md`.
## 📄 License
GNU Affero General Public License v3.0 — see [LICENSE](./LICENSE).
## 🔗 Related Repositories
- [Backend](https://github.com/fromchat-messenger/backend)
- [Web](https://github.com/fromchat-messenger/web)
- [Website](https://github.com/fromchat-messenger/site)
- [Deployment](https://github.com/fromchat-messenger/deployment)