Upstream changes (#23)

.github/workflows/android_master.yml

@@ -0,0 +1,47 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "master" ]
+
+env:
+  KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+  RELEASE_SIGN_KEY_ALIAS: ${{ secrets.RELEASE_SIGN_KEY_ALIAS }}
+  RELEASE_SIGN_KEY_PASSWORD: ${{ secrets.RELEASE_SIGN_KEY_PASSWORD }}
+
+jobs:
+  build_apk_aab:
+    runs-on: ubuntu-latest
+    name: Build full artifacts
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build and sign debug APKs
+        run: ./gradlew assembleDebug
+
+      - name: Build and sign release APKs
+        run: ./gradlew assembleRelease
+
+      - name: Upload full-debug APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-full-debug.apk
+          path: app/build/outputs/apk/full/debug/app-full-debug.apk
+
+      - name: Upload full-release APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-full-release.apk
+          path: app/build/outputs/apk/full/release/app-full-release.apk