Create android.yml

.github/workflows/android.yml

@@ -0,0 +1,45 @@
+name: Android Release
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Build with Gradle
+        run:  chmod +x gradlew && ./gradlew app:assemble
+
+      - name: Key base64 to file
+        uses: timheuer/[email protected]
+        with:
+          fileName: 'android_key.jks'
+          fileDir: '/tmp/.android_key/'
+          encodedString: ${{ secrets.ANDROID_KEY_BASE64 }}
+
+      - name: Install apksigner
+        run: sudo apt install apksigner
+
+      - name: Sign apk
+        env:
+          ANDROID_KS_PASS: ${{ secrets.ANDROID_KS_PASS }}
+        run: |
+          for file in app/build/outputs/apk/release/*.apk; do
+                filename="${file##*/}"
+                echo "Signing ${filename}"
+                apksigner sign --v4-signing-enabled false --ks /tmp/.android_key/android_key.jks --ks-pass env:ANDROID_KS_PASS --ks-key-alias ${{ secrets.ANDROID_KEY_ALIAS }} ${file}
+              done
+      - name: Upload apk to artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: app-release.apk
+          path: app/build/outputs/apk/release/app-release-unsigned.apk
+