chore: update CI workflow for minification compatibility test

- Update Gradle JVM and Android build options
- Ensure minification is enabled
- Build for single architecture to optimize memory
- Refactor script for APK artifact verification
- Simplify test execution line
- Improve output messages for various tasks

Author: muzahidul-opti

.github/workflows/minification.yml

@@ -5,7 +5,7 @@ on:
     branches: [ "master" ]
   pull_request:
     branches: [ "master" ]
-  workflow_dispatch:  # Allow manual triggering
+  workflow_dispatch:
 
 jobs:
   minification_compatibility_test:
@@ -28,6 +28,29 @@ jobs:
           distribution: 'temurin'
           java-version: '17'
 
+      - name: Configure Gradle JVM options
+        run: |
+          mkdir -p ~/.gradle
+          cat > ~/.gradle/gradle.properties << 'EOF'
+          # Increase heap size for CI builds
+          org.gradle.jvmargs=-Xmx4g -XX:MaxMetaspaceSize=1g -XX:+HeapDumpOnOutOfMemoryError
+          org.gradle.daemon=true
+          org.gradle.parallel=true
+          org.gradle.configureondemand=true
+          android.enableJetifier=true
+          android.useAndroidX=true
+          EOF
+
+      - name: Configure Android build options
+        run: |
+          cat >> example/android/gradle.properties << 'EOF'
+          
+          # Memory optimization for CI
+          org.gradle.jvmargs=-Xmx3g -XX:MaxMetaspaceSize=512m
+          android.enableJetifier=true
+          android.useAndroidX=true
+          EOF
+
       - name: Install dependencies
         run: |
           flutter pub get
@@ -49,7 +72,7 @@ jobs:
           -keep class com.google.android.play.core.** { *; }
           -dontwarn com.google.android.play.core.**
           
-          # Additional safety for Optimizely (redundant but safe)
+          # Additional safety for Optimizely
           -keep class com.optimizely.** { *; }
           -dontwarn com.optimizely.**
           
@@ -69,7 +92,7 @@ jobs:
           # Backup original build.gradle
           cp example/android/app/build.gradle example/android/app/build.gradle.backup
           
-          # Enable minification and ensure ProGuard rules are referenced
+          # Enable minification
           sed -i 's/minifyEnabled false/minifyEnabled true/' example/android/app/build.gradle
           sed -i 's/shrinkResources false/shrinkResources true/' example/android/app/build.gradle
           
@@ -81,85 +104,68 @@ jobs:
           echo "📄 Build configuration with minification:"
           grep -A 5 "buildTypes" example/android/app/build.gradle
           
-          # Build release APK
+          # Build for single architecture to save memory
           cd example
-          flutter build apk --release
+          flutter build apk --release --target-platform android-arm64 --split-per-abi
           
           echo "✅ Build successful with minification ENABLED"
 
       - name: Test with minification DISABLED  
         run: |
           echo "🧪 Testing with minifyEnabled = false"
           
-          # Restore original and disable minification
+          # Restore original
           cp example/android/app/build.gradle.backup example/android/app/build.gradle
           sed -i 's/minifyEnabled true/minifyEnabled false/' example/android/app/build.gradle
           sed -i 's/shrinkResources true/shrinkResources false/' example/android/app/build.gradle
           
           echo "📄 Build configuration without minification:"
           grep -A 5 "buildTypes" example/android/app/build.gradle
           
-          # Clean and build again
+          # Clean and build
           cd example
           flutter clean
-          flutter build apk --release
+          flutter build apk --release --target-platform android-arm64 --split-per-abi
           
           echo "✅ Build successful with minification DISABLED"
 
       - name: Run unit tests
-        run: |
-          echo "🧪 Running unit tests to verify SDK functionality"
-          flutter test
+        run: flutter test
 
       - name: Verify APK artifacts
         run: |
-          echo "📱 Checking APK files were created:"
-          ls -la example/build/app/outputs/apk/release/
-          
-          # Check APK size
-          if [ -f "example/build/app/outputs/apk/release/app-release.apk" ]; then
-            APK_SIZE=$(stat -c%s example/build/app/outputs/apk/release/app-release.apk 2>/dev/null || stat -f%z example/build/app/outputs/apk/release/app-release.apk)
-            echo "📊 Final APK Size: $(($APK_SIZE / 1024 / 1024)) MB"
-          fi
+          echo "📱 Checking APK files:"
+          find example/build/app/outputs/apk/ -name "*.apk" -exec ls -la {} \;
 
       - name: Check for ProGuard artifacts
         run: |
           echo "🔍 Checking for ProGuard/R8 artifacts:"
-          
-          # Look for mapping files
           if [ -f "example/build/app/outputs/mapping/release/mapping.txt" ]; then
             echo "✅ ProGuard mapping file found"
             echo "📄 Mapping file size: $(wc -l < example/build/app/outputs/mapping/release/mapping.txt) lines"
           else
-            echo "ℹ️ No mapping file found (expected if minification was disabled)"
+            echo "ℹ️ No mapping file found"
           fi
 
       - name: Upload APK artifacts
         uses: actions/upload-artifact@v4
         with:
           name: minification-test-apk
           path: |
-            example/build/app/outputs/apk/release/app-release.apk
+            example/build/app/outputs/apk/release/*.apk
             example/build/app/outputs/mapping/release/mapping.txt
           retention-days: 7
 
       - name: Report test results
         run: |
-          echo "🎉 Minification compatibility test completed successfully!"
+          echo "🎉 Minification compatibility test completed!"
           echo "✅ minifyEnabled = true: PASSED"
           echo "✅ minifyEnabled = false: PASSED" 
-          echo "✅ Your Optimizely Flutter SDK is minification-compatible!"
-          echo ""
-          echo "This confirms that:"
-          echo "  • Library ProGuard rules are working correctly"
-          echo "  • Plugin registration survives minification"
-          echo "  • No critical classes are being stripped"
-          echo "  • Customer's issue should be resolved"
+          echo "✅ Memory optimizations applied successfully"
 
       - name: Cleanup
         if: always()
         run: |
-          # Restore original build.gradle if backup exists
           if [ -f "example/android/app/build.gradle.backup" ]; then
             mv example/android/app/build.gradle.backup example/android/app/build.gradle
             echo "✅ Restored original build.gradle"