android.yml

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/base64-to-file@v1.2
        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