feat: create workflow to build AAP

.github/workflows/build-android.yml

@@ -0,0 +1,68 @@
+name: Build Android AAB
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build-android:
+    name: Build Signed Android AAB
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Validate required secrets
+        run: |
+          missing=""
+          if [ -z "${{ secrets.ANDROID_KEYSTORE_BASE64 }}" ]; then
+            missing="$missing ANDROID_KEYSTORE_BASE64"
+          fi
+          if [ -z "${{ secrets.ANDROID_KEY_ALIAS }}" ]; then
+            missing="$missing ANDROID_KEY_ALIAS"
+          fi
+          if [ -z "${{ secrets.ANDROID_KEY_PASSWORD }}" ]; then
+            missing="$missing ANDROID_KEY_PASSWORD"
+          fi
+          if [ -z "${{ secrets.ANDROID_STORE_PASSWORD }}" ]; then
+            missing="$missing ANDROID_STORE_PASSWORD"
+          fi
+          if [ -n "$missing" ]; then
+            echo "::error::Missing required secrets:$missing"
+            exit 1
+          fi
+
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: 17
+          cache: gradle
+
+      - name: Decode keystore
+        run: |
+          echo "${{ secrets.ANDROID_KEYSTORE_BASE64 }}" | base64 -d > android/app/release.keystore
+
+      - name: Build release AAB
+        working-directory: android
+        env:
+          ANDROID_KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
+          ANDROID_KEY_PASSWORD: ${{ secrets.ANDROID_KEY_PASSWORD }}
+          ANDROID_STORE_PASSWORD: ${{ secrets.ANDROID_STORE_PASSWORD }}
+        run: ./gradlew bundleRelease
+
+      - name: Upload AAB artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-release-aab
+          path: android/app/build/outputs/bundle/release/app-release.aab
+          retention-days: 30

android/app/build.gradle

@@ -93,15 +93,19 @@ android {
             keyAlias 'androiddebugkey'
             keyPassword 'android'
         }
+        release {
+            storeFile file("release.keystore")
+            storePassword System.getenv("ANDROID_STORE_PASSWORD") ?: ""
+            keyAlias System.getenv("ANDROID_KEY_ALIAS") ?: ""
+            keyPassword System.getenv("ANDROID_KEY_PASSWORD") ?: ""
+        }
     }
     buildTypes {
         debug {
             signingConfig signingConfigs.debug
         }
         release {
-            // Caution! In production, you need to generate your own keystore file.
-            // see https://reactnative.dev/docs/signed-apk-android.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }