build_apk.yml

# Build fat apk and splitted apk(s)

name: Build Android (.apk(s))

"on":
  pull_request:
    branches:
      - master
  workflow_dispatch:
    inputs:
      flutterChannel:
        description: "Flutter channel"
        default: stable
        required: true
        type: choice
        options:
          - stable
          - beta
          - master

jobs:
  build_android:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: "zulu"
          java-version: "17"

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: ${{ inputs.flutterChannel }}

      - name: Decoding android/key.properties
        run: echo "${{ secrets.KEY_PROP }}" | base64 --decode > android/key.properties

      - name: Decoding android/key.jks
        run: echo "${{ secrets.KEY_JKS }}" | base64 --decode > android/key.jks

      - name: Build splitted apk(s)
        run: |
          flutter pub get
          flutter build apk --split-per-abi --release -v

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: splitted apk artifacts
          path: build/app/outputs/apk/release/*.apk

      - name: Upload artifacts (arm64-v8a)
        uses: actions/upload-artifact@v4
        with:
          name: arm64-v8a artifact
          path: build/app/outputs/apk/release/*-arm64-v8a-release.apk

      - name: Upload artifacts (armeabi-v7a)
        uses: actions/upload-artifact@v4
        with:
          name: armeabi-v7a artifact
          path: build/app/outputs/apk/release/*-armeabi-v7a-release.apk

      - name: Upload artifacts (x86_64)
        uses: actions/upload-artifact@v4
        with:
          name: x86_64 artifact
          path: build/app/outputs/apk/release/*-x86_64-release.apk

      # The previous apk will be deleted when re-running the flutter build apk again
      # So we don't need to worry about the glob pattern for the fat apk

      - name: Build fat apk
        run: |
          flutter pub get
          flutter build apk --release

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: fat apk artifact
          path: build/app/outputs/apk/release/*.apk

      - name: Write summary
        run: |
          echo ":blue_heart: Using **`flutter --version`**" >> $GITHUB_STEP_SUMMARY