Add Android App Bundle (.aab) to release workflow

The release workflow now builds and collects Android App Bundles (.aab) in addition to APKs. This enables distribution via Google Play and other platforms that require .aab files.

Author: Robert-Stackflow

.github/workflows/release.yml

@@ -22,7 +22,9 @@ jobs:
           - target: Android
             os: ubuntu-latest
             artifact_name: release-Android
-            artifact_path: build/app/outputs/flutter-apk/*.apk
+            artifact_path: |
+              build/app/outputs/flutter-apk/*.apk
+              build/app/outputs/bundle/release/*.aab
           - target: Windows
             os: windows-latest
             artifact_name: release-Windows
@@ -110,18 +112,23 @@ jobs:
           echo "date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
           echo "arch=$(echo "$RUNNER_ARCH" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
 
-      # Build Android .apk
+      # Build Android .apk & .aab
       - name: Build Android
         if: matrix.target == 'Android'
         run: |
           flutter build apk --release
           flutter build apk --release --split-per-abi
+          flutter build appbundle --release --dart-define=BUILD_TYPE=appbundle
+          
           cd build/app/outputs/flutter-apk
           mv app-release.apk CloudOTP-${{ steps.get_version.outputs.version }}-android-universal.apk
           mv app-arm64-v8a-release.apk CloudOTP-${{ steps.get_version.outputs.version }}-android-arm64-v8a.apk
           mv app-armeabi-v7a-release.apk CloudOTP-${{ steps.get_version.outputs.version }}-android-armeabi-v7a.apk
           mv app-x86_64-release.apk CloudOTP-${{ steps.get_version.outputs.version }}-android-x86_64.apk
 
+          cd ../bundle/release
+          mv app-release.aab CloudOTP-${{ steps.get_version.outputs.version }}-android.aab
+
       # Build Windows .zip
       - name: Build Windows
         if: matrix.target == 'Windows'
@@ -211,6 +218,7 @@ jobs:
         run: |
           mkdir -p /tmp/artifacts/final
           mv /tmp/artifacts/release-Android/*.apk /tmp/artifacts/final/
+          mv /tmp/artifacts/release-Android/*.aab /tmp/artifacts/final/
           mv /tmp/artifacts/release-Windows/*.zip /tmp/artifacts/final/
           mv /tmp/artifacts/release-Windows/*.exe /tmp/artifacts/final/
           mv /tmp/artifacts/release-Linux/*.deb /tmp/artifacts/final/