experiment: setting up emulators

doc/android-emulator-deployment-guide.md

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+# Android Emulator Deployment Guide (No Android Studio)
+
+**Author**: Matthew Raymer  
+**Date**: 2025-01-27  
+**Status**: 🎯 **ACTIVE** - Complete guide for deploying TimeSafari to Android emulator using command-line tools
+
+## Overview
+
+This guide provides comprehensive instructions for building and deploying TimeSafari to Android emulators using only command-line tools, without requiring Android Studio. It leverages the existing build system and adds emulator-specific deployment workflows.
+
+## Prerequisites
+
+### Required Tools
+
+1. **Android SDK Command Line Tools**
+   ```bash
+   # Install via package manager (Arch Linux)
+   sudo pacman -S android-sdk-cmdline-tools-latest
+   
+   # Or download from Google
+   # https://developer.android.com/studio/command-line
+   ```
+
+2. **Android SDK Platform Tools**
+   ```bash
+   # Install via package manager
+   sudo pacman -S android-sdk-platform-tools
+   
+   # Or via Android SDK Manager
+   sdkmanager "platform-tools"
+   ```
+
+3. **Android SDK Build Tools**
+   ```bash
+   sdkmanager "build-tools;34.0.0"
+   ```
+
+4. **Android Platform**
+   ```bash
+   sdkmanager "platforms;android-34"
+   ```
+
+5. **Android Emulator**
+   ```bash
+   sdkmanager "emulator"
+   ```
+
+6. **System Images**
+   ```bash
+   # For API 34 (Android 14)
+   sdkmanager "system-images;android-34;google_apis;x86_64"
+   
+   # For API 33 (Android 13) - alternative
+   sdkmanager "system-images;android-33;google_apis;x86_64"
+   ```
+
+### Environment Setup
+
+```bash
+# Add to ~/.bashrc or ~/.zshrc
+export ANDROID_HOME=$HOME/Android/Sdk
+export ANDROID_AVD_HOME=$HOME/.android/avd  # Important for AVD location
+export PATH=$PATH:$ANDROID_HOME/emulator
+export PATH=$PATH:$ANDROID_HOME/platform-tools
+export PATH=$PATH:$ANDROID_HOME/cmdline-tools/latest/bin
+export PATH=$PATH:$ANDROID_HOME/build-tools/34.0.0
+
+# Reload shell
+source ~/.bashrc
+```
+
+### Verify Installation
+
+```bash
+# Check all tools are available
+adb version
+emulator -version
+avdmanager list
+```
+
+## Resource-Aware Emulator Setup
+
+### ⚡ **Quick Start Recommendation**
+
+**For best results, always start with resource analysis:**
+
+```bash
+# 1. Check your system capabilities
+./scripts/avd-resource-checker.sh
+
+# 2. Use the generated optimal startup script
+/tmp/start-avd-TimeSafari_Emulator.sh
+
+# 3. Deploy your app
+npm run build:android:dev
+adb install -r android/app/build/outputs/apk/debug/app-debug.apk
+```
+
+This prevents system lockups and ensures optimal performance.
+
+### AVD Resource Checker Script
+
+**New Feature**: TimeSafari includes an intelligent resource checker that automatically detects your system capabilities and recommends optimal AVD configurations.
+
+```bash
+# Check system resources and get recommendations
+./scripts/avd-resource-checker.sh
+
+# Check resources for specific AVD
+./scripts/avd-resource-checker.sh TimeSafari_Emulator
+
+# Test AVD startup performance
+./scripts/avd-resource-checker.sh TimeSafari_Emulator --test
+
+# Create optimized AVD with recommended settings
+./scripts/avd-resource-checker.sh TimeSafari_Emulator --create
+```
+
+**What the script analyzes:**
+- **System Memory**: Total and available RAM
+- **CPU Cores**: Available processing power
+- **GPU Capabilities**: NVIDIA, AMD, Intel, or software rendering
+- **Hardware Acceleration**: Optimal graphics settings
+
+**What it generates:**
+- **Optimal configuration**: Memory, cores, and GPU settings
+- **Startup command**: Ready-to-use emulator command
+- **Startup script**: Saved to `/tmp/start-avd-{name}.sh` for reuse
+
+## Emulator Management
+
+### Create Android Virtual Device (AVD)
+
+```bash
+# List available system images
+avdmanager list target
+
+# Create AVD for API 34
+avdmanager create avd \
+  --name "TimeSafari_Emulator" \
+  --package "system-images;android-34;google_apis;x86_64" \
+  --device "pixel_7"
+
+# List created AVDs
+avdmanager list avd
+```
+
+### Start Emulator
+
+```bash
+# Start emulator with hardware acceleration (recommended)
+emulator -avd TimeSafari_Emulator -gpu host -no-audio &
+
+# Start with reduced resources (if system has limited RAM)
+emulator -avd TimeSafari_Emulator \
+  -no-audio \
+  -memory 2048 \
+  -cores 2 \
+  -gpu swiftshader_indirect &
+
+# Start with minimal resources (safest for low-end systems)
+emulator -avd TimeSafari_Emulator \
+  -no-audio \
+  -memory 1536 \
+  -cores 1 \
+  -gpu swiftshader_indirect &
+
+# Check if emulator is running
+adb devices
+```
+
+### Resource Management
+
+**Important**: Android emulators can consume significant system resources. Choose the appropriate configuration based on your system:
+
+- **High-end systems** (16GB+ RAM, dedicated GPU): Use `-gpu host`
+- **Mid-range systems** (8-16GB RAM): Use `-memory 2048 -cores 2`
+- **Low-end systems** (4-8GB RAM): Use `-memory 1536 -cores 1 -gpu swiftshader_indirect`
+
+### Emulator Control
+
+```bash
+# Stop emulator
+adb emu kill
+
+# Restart emulator
+adb reboot
+
+# Check emulator status
+adb get-state
+```
+
+## Build and Deploy Workflow
+
+### Method 1: Using Existing Build Scripts
+
+The TimeSafari project already has comprehensive Android build scripts that can be adapted for emulator deployment:
+
+```bash
+# Development build with auto-run
+npm run build:android:dev:run
+
+# Test build with auto-run  
+npm run build:android:test:run
+
+# Production build with auto-run
+npm run build:android:prod:run
+```
+
+### Method 2: Custom Emulator Deployment Script
+
+Create a new script specifically for emulator deployment:
+
+```bash
+# Create emulator deployment script
+cat > scripts/deploy-android-emulator.sh << 'EOF'
+#!/bin/bash
+# deploy-android-emulator.sh
+# Author: Matthew Raymer
+# Date: 2025-01-27
+# Description: Deploy TimeSafari to Android emulator without Android Studio
+
+set -e
+
+# Source common utilities
+source "$(dirname "$0")/common.sh"
+
+# Default values
+BUILD_MODE="development"
+AVD_NAME="TimeSafari_Emulator"
+START_EMULATOR=true
+CLEAN_BUILD=true
+
+# Parse command line arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --dev|--development)
+            BUILD_MODE="development"
+            shift
+            ;;
+        --test)
+            BUILD_MODE="test"
+            shift
+            ;;
+        --prod|--production)
+            BUILD_MODE="production"
+            shift
+            ;;
+        --avd)
+            AVD_NAME="$2"
+            shift 2
+            ;;
+        --no-start-emulator)
+            START_EMULATOR=false
+            shift
+            ;;
+        --no-clean)
+            CLEAN_BUILD=false
+            shift
+            ;;
+        -h|--help)
+            echo "Usage: $0 [options]"
+            echo "Options:"
+            echo "  --dev, --development    Build for development"
+            echo "  --test                  Build for testing"
+            echo "  --prod, --production    Build for production"
+            echo "  --avd NAME              Use specific AVD name"
+            echo "  --no-start-emulator     Don't start emulator"
+            echo "  --no-clean              Skip clean build"
+            echo "  -h, --help             Show this help"
+            exit 0
+            ;;
+        *)
+            log_error "Unknown option: $1"
+            exit 1
+            ;;
+    esac
+done
+
+# Function to check if emulator is running
+check_emulator_running() {
+    if adb devices | grep -q "emulator.*device"; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+# Function to start emulator
+start_emulator() {
+    log_info "Starting Android emulator: $AVD_NAME"
+    
+    # Check if AVD exists
+    if ! avdmanager list avd | grep -q "$AVD_NAME"; then
+        log_error "AVD '$AVD_NAME' not found. Please create it first."
+        log_info "Create AVD with: avdmanager create avd --name $AVD_NAME --package system-images;android-34;google_apis;x86_64"
+        exit 1
+    fi
+    
+    # Start emulator in background
+    emulator -avd "$AVD_NAME" -no-audio -no-snapshot &
+    EMULATOR_PID=$!
+    
+    # Wait for emulator to boot
+    log_info "Waiting for emulator to boot..."
+    adb wait-for-device
+    
+    # Wait for boot to complete
+    log_info "Waiting for boot to complete..."
+    while [ "$(adb shell getprop sys.boot_completed)" != "1" ]; do
+        sleep 2
+    done
+    
+    log_success "Emulator is ready!"
+}
+
+# Function to build and deploy
+build_and_deploy() {
+    log_info "Building TimeSafari for $BUILD_MODE mode..."
+    
+    # Clean build if requested
+    if [ "$CLEAN_BUILD" = true ]; then
+        log_info "Cleaning previous build..."
+        npm run clean:android
+    fi
+    
+    # Build based on mode
+    case $BUILD_MODE in
+        "development")
+            npm run build:android:dev
+            ;;
+        "test")
+            npm run build:android:test
+            ;;
+        "production")
+            npm run build:android:prod
+            ;;
+    esac
+    
+    # Deploy to emulator
+    log_info "Deploying to emulator..."
+    adb install -r android/app/build/outputs/apk/debug/app-debug.apk
+    
+    # Launch app
+    log_info "Launching TimeSafari..."
+    adb shell am start -n app.timesafari/.MainActivity
+    
+    log_success "TimeSafari deployed and launched successfully!"
+}
+
+# Main execution
+main() {
+    log_info "TimeSafari Android Emulator Deployment"
+    log_info "Build Mode: $BUILD_MODE"
+    log_info "AVD Name: $AVD_NAME"
+    
+    # Start emulator if requested and not running
+    if [ "$START_EMULATOR" = true ]; then
+        if ! check_emulator_running; then
+            start_emulator
+        else
+            log_info "Emulator already running"
+        fi
+    fi
+    
+    # Build and deploy
+    build_and_deploy
+    
+    log_success "Deployment completed successfully!"
+}
+
+# Run main function
+main "$@"
+EOF
+
+# Make script executable
+chmod +x scripts/deploy-android-emulator.sh
+```
+
+### Method 3: Direct Command Line Deployment
+
+For quick deployments without scripts:
+
+```bash
+# 1. Ensure emulator is running
+adb devices
+
+# 2. Build the app
+npm run build:android:dev
+
+# 3. Install APK
+adb install -r android/app/build/outputs/apk/debug/app-debug.apk
+
+# 4. Launch app
+adb shell am start -n app.timesafari/.MainActivity
+
+# 5. View logs
+adb logcat | grep -E "(TimeSafari|Capacitor|MainActivity)"
+```
+
+## Advanced Deployment Options
+
+### Custom API Server Configuration
+
+For development with custom API endpoints:
+
+```bash
+# Build with custom API IP
+npm run build:android:dev:custom
+
+# Or modify capacitor.config.ts for specific IP
+# Then build normally
+npm run build:android:dev
+```
+
+### Debug vs Release Builds
+
+```bash
+# Debug build (default)
+npm run build:android:debug
+
+# Release build
+npm run build:android:release
+
+# Install specific build
+adb install -r android/app/build/outputs/apk/release/app-release.apk
+```
+
+### Asset Management
+
+```bash
+# Validate Android assets
+npm run assets:validate:android
+
+# Generate assets only
+npm run build:android:assets
+
+# Clean assets
+npm run assets:clean
+```
+
+## Troubleshooting
+
+### Common Issues
+
+1. **Emulator Not Starting / AVD Not Found**
+   ```bash
+   # Check available AVDs
+   avdmanager list avd
+   
+   # If AVD exists but emulator can't find it, check AVD location
+   echo $ANDROID_AVD_HOME
+   ls -la ~/.android/avd/
+   
+   # Fix AVD path issue (common on Arch Linux)
+   export ANDROID_AVD_HOME=/home/$USER/.config/.android/avd
+   
+   # Or create symlinks if AVDs are in different location
+   mkdir -p ~/.android/avd
+   ln -s /home/$USER/.config/.android/avd/* ~/.android/avd/
+   
+   # Create new AVD if needed
+   avdmanager create avd --name "TimeSafari_Emulator" --package "system-images;android-34;google_apis;x86_64"
+   
+   # Check emulator logs
+   emulator -avd TimeSafari_Emulator -verbose
+   ```
+
+2. **System Lockup / High Resource Usage**
+   ```bash
+   # Kill any stuck emulator processes
+   pkill -f emulator
+   
+   # Check system resources
+   free -h
+   nvidia-smi  # if using NVIDIA GPU
+   
+   # Start with minimal resources
+   emulator -avd TimeSafari_Emulator \
+     -no-audio \
+     -memory 1536 \
+     -cores 1 \
+     -gpu swiftshader_indirect &
+   
+   # Monitor resource usage
+   htop
+   
+   # If still having issues, try software rendering only
+   emulator -avd TimeSafari_Emulator \
+     -no-audio \
+     -no-snapshot \
+     -memory 1024 \
+     -cores 1 \
+     -gpu off &
+   ```
+
+3. **ADB Device Not Found**
+   ```bash
+   # Restart ADB server
+   adb kill-server
+   adb start-server
+   
+   # Check devices
+   adb devices
+   
+   # Check emulator status
+   adb get-state
+   ```
+
+3. **Build Failures**
+   ```bash
+   # Clean everything
+   npm run clean:android
+   
+   # Rebuild
+   npm run build:android:dev
+   
+   # Check Gradle logs
+   cd android && ./gradlew clean --stacktrace
+   ```
+
+4. **Installation Failures**
+   ```bash
+   # Uninstall existing app
+   adb uninstall app.timesafari
+   
+   # Reinstall
+   adb install android/app/build/outputs/apk/debug/app-debug.apk
+   
+   # Check package info
+   adb shell pm list packages | grep timesafari
+   ```
+
+### Performance Optimization
+
+1. **Emulator Performance**
+   ```bash
+   # Start with hardware acceleration
+   emulator -avd TimeSafari_Emulator -gpu host
+   
+   # Use snapshot for faster startup
+   emulator -avd TimeSafari_Emulator -snapshot default
+   
+   # Allocate more RAM
+   emulator -avd TimeSafari_Emulator -memory 4096
+   ```
+
+2. **Build Performance**
+   ```bash
+   # Use Gradle daemon
+   echo "org.gradle.daemon=true" >> android/gradle.properties
+   
+   # Increase heap size
+   echo "org.gradle.jvmargs=-Xmx4g" >> android/gradle.properties
+   
+   # Enable parallel builds
+   echo "org.gradle.parallel=true" >> android/gradle.properties
+   ```
+
+## Integration with Existing Build System
+
+### NPM Scripts Integration
+
+Add emulator-specific scripts to `package.json`:
+
+```json
+{
+  "scripts": {
+    "emulator:check": "./scripts/avd-resource-checker.sh",
+    "emulator:check:test": "./scripts/avd-resource-checker.sh TimeSafari_Emulator --test",
+    "emulator:check:create": "./scripts/avd-resource-checker.sh TimeSafari_Emulator --create",
+    "emulator:start": "emulator -avd TimeSafari_Emulator -no-audio &",
+    "emulator:start:optimized": "/tmp/start-avd-TimeSafari_Emulator.sh",
+    "emulator:stop": "adb emu kill",
+    "emulator:deploy": "./scripts/deploy-android-emulator.sh",
+    "emulator:deploy:dev": "./scripts/deploy-android-emulator.sh --dev",
+    "emulator:deploy:test": "./scripts/deploy-android-emulator.sh --test",
+    "emulator:deploy:prod": "./scripts/deploy-android-emulator.sh --prod",
+    "emulator:logs": "adb logcat | grep -E '(TimeSafari|Capacitor|MainActivity)'",
+    "emulator:shell": "adb shell"
+  }
+}
+```
+
+### CI/CD Integration
+
+For automated testing and deployment:
+
+```bash
+# GitHub Actions example
+- name: Start Android Emulator
+  run: |
+    emulator -avd TimeSafari_Emulator -no-audio -no-snapshot &
+    adb wait-for-device
+    adb shell getprop sys.boot_completed
+
+- name: Build and Deploy
+  run: |
+    npm run build:android:test
+    adb install -r android/app/build/outputs/apk/debug/app-debug.apk
+    adb shell am start -n app.timesafari/.MainActivity
+
+- name: Run Tests
+  run: |
+    npm run test:android
+```
+
+## Best Practices
+
+### Development Workflow
+
+1. **Start emulator once per session**
+   ```bash
+   emulator -avd TimeSafari_Emulator -no-audio &
+   ```
+
+2. **Use incremental builds**
+   ```bash
+   # For rapid iteration
+   npm run build:android:sync
+   adb install -r android/app/build/outputs/apk/debug/app-debug.apk
+   ```
+
+3. **Monitor logs continuously**
+   ```bash
+   adb logcat | grep -E "(TimeSafari|Capacitor|MainActivity)" --color=always
+   ```
+
+### Performance Tips
+
+1. **Use snapshots for faster startup**
+2. **Enable hardware acceleration**
+3. **Allocate sufficient RAM (4GB+)**
+4. **Use SSD storage for AVDs**
+5. **Close unnecessary applications**
+
+### Security Considerations
+
+1. **Use debug builds for development only**
+2. **Never commit debug keystores**
+3. **Use release builds for testing**
+4. **Validate API endpoints in production builds**
+
+## Conclusion
+
+This guide provides a complete solution for deploying TimeSafari to Android emulators without Android Studio. The approach leverages the existing build system while adding emulator-specific deployment capabilities.
+
+The key benefits:
+- ✅ **No Android Studio required**
+- ✅ **Command-line only workflow**
+- ✅ **Integration with existing build scripts**
+- ✅ **Automated deployment options**
+- ✅ **Comprehensive troubleshooting guide**
+
+For questions or issues, refer to the troubleshooting section or check the existing build documentation in `BUILDING.md`.

scripts/avd-resource-checker.sh

@@ -0,0 +1,389 @@
+#!/bin/bash
+# avd-resource-checker.sh
+# Author: Matthew Raymer
+# Date: 2025-01-27
+# Description: Check system resources and recommend optimal AVD configuration
+
+set -e
+
+# Source common utilities
+source "$(dirname "$0")/common.sh"
+
+# Colors for output
+RED_COLOR='\033[0;31m'
+GREEN_COLOR='\033[0;32m'
+YELLOW_COLOR='\033[1;33m'
+BLUE_COLOR='\033[0;34m'
+NC_COLOR='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+    local color=$1
+    local message=$2
+    echo -e "${color}${message}${NC_COLOR}"
+}
+
+# Function to get system memory in MB
+get_system_memory() {
+    if command -v free >/dev/null 2>&1; then
+        free -m | awk 'NR==2{print $2}'
+    else
+        echo "0"
+    fi
+}
+
+# Function to get available memory in MB
+get_available_memory() {
+    if command -v free >/dev/null 2>&1; then
+        free -m | awk 'NR==2{print $7}'
+    else
+        echo "0"
+    fi
+}
+
+# Function to get CPU core count
+get_cpu_cores() {
+    if command -v nproc >/dev/null 2>&1; then
+        nproc
+    elif [ -f /proc/cpuinfo ]; then
+        grep -c ^processor /proc/cpuinfo
+    else
+        echo "1"
+    fi
+}
+
+# Function to check GPU capabilities
+check_gpu_capabilities() {
+    local gpu_type="unknown"
+    local gpu_memory="0"
+    
+    # Check for NVIDIA GPU
+    if command -v nvidia-smi >/dev/null 2>&1; then
+        gpu_type="nvidia"
+        gpu_memory=$(nvidia-smi --query-gpu=memory.total --format=csv,noheader,nounits 2>/dev/null | head -1 || echo "0")
+        print_status $GREEN_COLOR "✓ NVIDIA GPU detected (${gpu_memory}MB VRAM)"
+        return 0
+    fi
+    
+    # Check for AMD GPU
+    if command -v rocm-smi >/dev/null 2>&1; then
+        gpu_type="amd"
+        print_status $GREEN_COLOR "✓ AMD GPU detected"
+        return 0
+    fi
+    
+    # Check for Intel GPU
+    if lspci 2>/dev/null | grep -i "vga.*intel" >/dev/null; then
+        gpu_type="intel"
+        print_status $YELLOW_COLOR "✓ Intel integrated GPU detected"
+        return 1
+    fi
+    
+    # Check for generic GPU
+    if lspci 2>/dev/null | grep -i "vga" >/dev/null; then
+        gpu_type="generic"
+        print_status $YELLOW_COLOR "✓ Generic GPU detected"
+        return 1
+    fi
+    
+    print_status $RED_COLOR "✗ No GPU detected"
+    return 2
+}
+
+# Function to check if hardware acceleration is available
+check_hardware_acceleration() {
+    local gpu_capable=$1
+    
+    if [ $gpu_capable -eq 0 ]; then
+        print_status $GREEN_COLOR "✓ Hardware acceleration recommended"
+        return 0
+    elif [ $gpu_capable -eq 1 ]; then
+        print_status $YELLOW_COLOR "⚠ Limited hardware acceleration"
+        return 1
+    else
+        print_status $RED_COLOR "✗ No hardware acceleration available"
+        return 2
+    fi
+}
+
+# Function to recommend AVD configuration
+recommend_avd_config() {
+    local total_memory=$1
+    local available_memory=$2
+    local cpu_cores=$3
+    local gpu_capable=$4
+    
+    print_status $BLUE_COLOR "\n=== AVD Configuration Recommendation ==="
+    
+    # Calculate recommended memory (leave 2GB for system)
+    local system_reserve=2048
+    local recommended_memory=$((available_memory - system_reserve))
+    
+    # Cap memory at reasonable limits
+    if [ $recommended_memory -gt 4096 ]; then
+        recommended_memory=4096
+    elif [ $recommended_memory -lt 1024 ]; then
+        recommended_memory=1024
+    fi
+    
+    # Calculate recommended cores (leave 2 cores for system)
+    local recommended_cores=$((cpu_cores - 2))
+    if [ $recommended_cores -lt 1 ]; then
+        recommended_cores=1
+    elif [ $recommended_cores -gt 4 ]; then
+        recommended_cores=4
+    fi
+    
+    # Determine GPU setting
+    local gpu_setting=""
+    case $gpu_capable in
+        0) gpu_setting="-gpu host" ;;
+        1) gpu_setting="-gpu swiftshader_indirect" ;;
+        2) gpu_setting="-gpu swiftshader_indirect" ;;
+    esac
+    
+    # Generate recommendation
+    print_status $GREEN_COLOR "Recommended AVD Configuration:"
+    echo "  Memory: ${recommended_memory}MB"
+    echo "  Cores: ${recommended_cores}"
+    echo "  GPU: ${gpu_setting}"
+    
+    # Get AVD name from function parameter (passed from main)
+    local avd_name=$5
+    local command="emulator -avd ${avd_name} -no-audio -memory ${recommended_memory} -cores ${recommended_cores} ${gpu_setting} &"
+    
+    print_status $BLUE_COLOR "\nGenerated Command:"
+    echo "  ${command}"
+    
+    # Save to file for easy execution
+    local script_file="/tmp/start-avd-${avd_name}.sh"
+    cat > "$script_file" << EOF
+#!/bin/bash
+# Auto-generated AVD startup script
+# Generated by avd-resource-checker.sh on $(date)
+
+echo "Starting AVD: ${avd_name}"
+echo "Memory: ${recommended_memory}MB"
+echo "Cores: ${recommended_cores}"
+echo "GPU: ${gpu_setting}"
+
+${command}
+
+echo "AVD started in background"
+echo "Check status with: adb devices"
+echo "View logs with: adb logcat"
+EOF
+    
+    chmod +x "$script_file"
+    print_status $GREEN_COLOR "\n✓ Startup script saved to: ${script_file}"
+    
+    return 0
+}
+
+# Function to test AVD startup
+test_avd_startup() {
+    local avd_name=$1
+    local test_duration=${2:-30}
+    
+    print_status $BLUE_COLOR "\n=== Testing AVD Startup ==="
+    
+    # Check if AVD exists
+    if ! avdmanager list avd | grep -q "$avd_name"; then
+        print_status $RED_COLOR "✗ AVD '$avd_name' not found"
+        return 1
+    fi
+    
+    print_status $YELLOW_COLOR "Testing AVD startup for ${test_duration} seconds..."
+    
+    # Start emulator in test mode
+    emulator -avd "$avd_name" -no-audio -no-window -no-snapshot -memory 1024 -cores 1 -gpu swiftshader_indirect &
+    local emulator_pid=$!
+    
+    # Wait for boot
+    local boot_time=0
+    local max_wait=$test_duration
+    
+    while [ $boot_time -lt $max_wait ]; do
+        if adb devices | grep -q "emulator.*device"; then
+            print_status $GREEN_COLOR "✓ AVD booted successfully in ${boot_time} seconds"
+            break
+        fi
+        sleep 2
+        boot_time=$((boot_time + 2))
+    done
+    
+    # Cleanup
+    kill $emulator_pid 2>/dev/null || true
+    adb emu kill 2>/dev/null || true
+    
+    if [ $boot_time -ge $max_wait ]; then
+        print_status $RED_COLOR "✗ AVD failed to boot within ${test_duration} seconds"
+        return 1
+    fi
+    
+    return 0
+}
+
+# Function to list available AVDs
+list_available_avds() {
+    print_status $BLUE_COLOR "\n=== Available AVDs ==="
+    
+    if ! command -v avdmanager >/dev/null 2>&1; then
+        print_status $RED_COLOR "✗ avdmanager not found. Please install Android SDK command line tools."
+        return 1
+    fi
+    
+    local avd_list=$(avdmanager list avd 2>/dev/null)
+    if [ -z "$avd_list" ]; then
+        print_status $YELLOW_COLOR "⚠ No AVDs found. Create one with:"
+        echo "  avdmanager create avd --name TimeSafari_Emulator --package system-images;android-34;google_apis;x86_64"
+        return 1
+    fi
+    
+    echo "$avd_list"
+    return 0
+}
+
+# Function to create optimized AVD
+create_optimized_avd() {
+    local avd_name=$1
+    local memory=$2
+    local cores=$3
+    
+    print_status $BLUE_COLOR "\n=== Creating Optimized AVD ==="
+    
+    # Check if system image is available
+    local system_image="system-images;android-34;google_apis;x86_64"
+    if ! sdkmanager --list | grep -q "$system_image"; then
+        print_status $YELLOW_COLOR "Installing system image: $system_image"
+        sdkmanager "$system_image"
+    fi
+    
+    # Create AVD
+    print_status $YELLOW_COLOR "Creating AVD: $avd_name"
+    avdmanager create avd \
+        --name "$avd_name" \
+        --package "$system_image" \
+        --device "pixel_7" \
+        --force
+    
+    # Configure AVD
+    local avd_config_file="$HOME/.android/avd/${avd_name}.avd/config.ini"
+    if [ -f "$avd_config_file" ]; then
+        print_status $YELLOW_COLOR "Configuring AVD settings..."
+        
+        # Set memory
+        sed -i "s/vm.heapSize=.*/vm.heapSize=${memory}/" "$avd_config_file"
+        
+        # Set cores
+        sed -i "s/hw.cpu.ncore=.*/hw.cpu.ncore=${cores}/" "$avd_config_file"
+        
+        # Disable unnecessary features
+        echo "hw.audioInput=no" >> "$avd_config_file"
+        echo "hw.audioOutput=no" >> "$avd_config_file"
+        echo "hw.camera.back=none" >> "$avd_config_file"
+        echo "hw.camera.front=none" >> "$avd_config_file"
+        echo "hw.gps=no" >> "$avd_config_file"
+        echo "hw.sensors.orientation=no" >> "$avd_config_file"
+        echo "hw.sensors.proximity=no" >> "$avd_config_file"
+        
+        print_status $GREEN_COLOR "✓ AVD configured successfully"
+    fi
+    
+    return 0
+}
+
+# Main function
+main() {
+    print_status $BLUE_COLOR "=== TimeSafari AVD Resource Checker ==="
+    print_status $BLUE_COLOR "Checking system resources and recommending optimal AVD configuration\n"
+    
+    # Get system information
+    local total_memory=$(get_system_memory)
+    local available_memory=$(get_available_memory)
+    local cpu_cores=$(get_cpu_cores)
+    
+    print_status $BLUE_COLOR "=== System Information ==="
+    echo "Total Memory: ${total_memory}MB"
+    echo "Available Memory: ${available_memory}MB"
+    echo "CPU Cores: ${cpu_cores}"
+    
+    # Check GPU capabilities
+    print_status $BLUE_COLOR "\n=== GPU Analysis ==="
+    check_gpu_capabilities
+    local gpu_capable=$?
+    
+    # Check hardware acceleration
+    check_hardware_acceleration $gpu_capable
+    local hw_accel=$?
+    
+    # List available AVDs
+    list_available_avds
+    
+    # Get AVD name from user or use default
+    local avd_name="TimeSafari_Emulator"
+    if [ $# -gt 0 ]; then
+        avd_name="$1"
+    fi
+    
+    # Recommend configuration
+    recommend_avd_config $total_memory $available_memory $cpu_cores $gpu_capable "$avd_name"
+    
+    # Test AVD if requested
+    if [ "$2" = "--test" ]; then
+        test_avd_startup "$avd_name"
+    fi
+    
+    # Create optimized AVD if requested
+    if [ "$2" = "--create" ]; then
+        local recommended_memory=$((available_memory - 2048))
+        if [ $recommended_memory -gt 4096 ]; then
+            recommended_memory=4096
+        elif [ $recommended_memory -lt 1024 ]; then
+            recommended_memory=1024
+        fi
+        
+        local recommended_cores=$((cpu_cores - 2))
+        if [ $recommended_cores -lt 1 ]; then
+            recommended_cores=1
+        elif [ $recommended_cores -gt 4 ]; then
+            recommended_cores=4
+        fi
+        
+        create_optimized_avd "$avd_name" $recommended_memory $recommended_cores
+    fi
+    
+    print_status $GREEN_COLOR "\n=== Resource Check Complete ==="
+    print_status $YELLOW_COLOR "Tip: Use the generated startup script for consistent AVD launches"
+}
+
+# Show help
+show_help() {
+    echo "Usage: $0 [AVD_NAME] [OPTIONS]"
+    echo ""
+    echo "Options:"
+    echo "  --test     Test AVD startup (30 second test)"
+    echo "  --create   Create optimized AVD with recommended settings"
+    echo "  --help     Show this help message"
+    echo ""
+    echo "Examples:"
+    echo "  $0                                    # Check resources and recommend config"
+    echo "  $0 TimeSafari_Emulator               # Check resources for specific AVD"
+    echo "  $0 TimeSafari_Emulator --test         # Test AVD startup"
+    echo "  $0 TimeSafari_Emulator --create       # Create optimized AVD"
+    echo ""
+    echo "The script will:"
+    echo "  - Analyze system resources (RAM, CPU, GPU)"
+    echo "  - Recommend optimal AVD configuration"
+    echo "  - Generate startup command and script"
+    echo "  - Optionally test or create AVD"
+}
+
+# Parse command line arguments
+if [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
+    show_help
+    exit 0
+fi
+
+# Run main function
+main "$@"