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+# Android Build Guide for Antigravity
+
+## Prerequisites
+
+### System Requirements
+- Android SDK with API Level 34 (Android 14)
+- Java Development Kit (JDK) 17 or higher
+- Gradle 8.4 or higher
+- Minimum 8GB RAM for builds
+- Stable internet connection for dependency downloads
+
+## Quick Build
+
+### 1. Environment Setup
+
+```bash
+# Set environment variables
+export ANDROID_HOME=/path/to/android-sdk
+export JAVA_HOME=/path/to/jdk-17
+export PATH=$PATH:$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools
+```
+
+### 2. Install Android SDK
+
+If you don't have Android SDK installed:
+
+```bash
+# Download Android command-line tools
+wget https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip
+unzip commandlinetools-linux-11076708_latest.zip
+mkdir -p $ANDROID_HOME/cmdline-tools/latest
+mv cmdline-tools/* $ANDROID_HOME/cmdline-tools/latest/
+
+# Accept licenses and install required components
+yes | sdkmanager --licenses
+sdkmanager "platform-tools" "platforms;android-34" "build-tools;34.0.0"
+```
+
+### 3. Build Commands
+
+```bash
+cd android-app/android
+
+# Clean previous builds
+rm -rf .gradle build app/build
+
+# Build debug APK
+./gradlew assembleDebug
+
+# APK will be at: app/build/outputs/apk/debug/app-debug.apk
+```
+
+## Alternative: Manual APK Build
+
+If Gradle doesn't work, you can build manually using Android SDK tools:
+
+### Download Dependencies
+
+Download these AAR files:
+- androidx.appcompat:appcompat:1.6.1
+- androidx.core:core:1.12.0
+- androidx.activity:activity:1.8.2
+- androidx.fragment:fragment:1.6.2
+- androidx.webkit:webkit:1.10.0
+
+### Manual Build Steps
+
+1. Compile resources: `aapt2 compile --dir src/main/res -o build/resources.zip`
+2. Package APK: `aapt package -f -F app-unsigned.apk -A src/main/assets -S src/main/res -I android.jar AndroidManifest.xml`
+3. Compile Java: `javac -cp android.jar -d build/classes src/**/*.java`
+4. Convert to DEX: `d8 build/classes.jar --output build`
+5. Add DEX to APK: `aapt add app-unsigned.apk classes.dex`
+6. Sign APK: `apksigner sign --ks release.keystore --out app.apk app-unsigned.apk`
+
+## APK Output
+
+- **Debug APK**: `android-app/android/app/build/outputs/apk/debug/app-debug.apk`
+- **Release APK**: `android-app/android/app/build/outputs/apk/release/app-release-unsigned.apk`
+
+## Troubleshooting
+
+### Network Issues
+If Gradle cannot download dependencies:
+1. Use a VPN or proxy
+2. Configure alternative Maven mirrors in `build.gradle`
+3. Download dependencies manually and add to local Maven repository
+
+### Memory Issues
+If build runs out of memory:
+```bash
+export GRADLE_OPTS="-Xmx4g -XX:MaxMetaspaceSize=1g"
+```
+
+### Java Version Issues
+Android Gradle Plugin 8.x requires JDK 17+. Use:
+```bash
+export JAVA_HOME=/path/to/jdk-17
+```
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