android-ci.yaml

name: Android CI

on:
  push:
    branches:
      - main
  pull_request:

concurrency:
  group: build-${{ github.ref }}
  cancel-in-progress: true

jobs:

  test_and_build:
    name: "Unit tests and Build"
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    timeout-minutes: 30

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Validate Gradle Wrapper
        uses: gradle/wrapper-validation-action@v3

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: 17

      - name: Make gradlew executable
        run: chmod +x ./gradlew

      - name: Check build-logic
        run: ./gradlew check -p build-logic

      - name: Unit tests
        run: ./gradlew testDemoDebugUnitTest

      - name: Build APK
        run: ./gradlew app:assembleDebug

  android_test:
    name: "Android tests and coverage report"
    runs-on: ubuntu-latest
    timeout-minutes: 55
    strategy:
      matrix:
        api-level: [ 23, 33 ]

    steps:
      # From https://github.com/android/nowinandroid/pull/1219/files to fix flaky emulator start
      # Issue https://github.com/ReactiveCircus/android-emulator-runner/issues/324#issuecomment-2009351180
      - name: Delete unnecessary tools 🔧
        uses: jlumbroso/free-disk-space@v1.3.1
        with:
          android: false # Don't remove Android tools
          tool-cache: true # Remove image tool cache - rm -rf "$AGENT_TOOLSDIRECTORY"
          dotnet: true # rm -rf /usr/share/dotnet
          haskell: true # rm -rf /opt/ghc...
          swap-storage: true # rm -f /mnt/swapfile (4GiB)
          docker-images: false # Takes 16s, enable if needed in the future
          large-packages: false # includes google-cloud-sdk and it's slow

      - name: Checkout
        uses: actions/checkout@v4

      - name: Enable KVM group perms
        run: |
          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
          sudo udevadm control --reload-rules
          sudo udevadm trigger --name-match=kvm    

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: 17

      - name: Gradle cache
        uses: gradle/actions/setup-gradle@v3

      - name: Make gradlew executable
        run: chmod +x ./gradlew

      - name: Build project before running emulator
        run: ./gradlew packageDemoDebug packageDemoDebugAndroidTest

      - name: Run android tests
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          arch: x86_64
          disable-animations: true
          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          disk-size: 6000M
          heap-size: 600M
          script: ./gradlew connectedDemoDebugAndroidTest

      - name: Run unit tests for coverage report
        if: matrix.api-level == 33
        run: ./gradlew testDemoDebugUnitTest

      - name: Generate JaCoCo coverage report
        if: matrix.api-level == 33
        run: ./gradlew createDemoDebugJacocoReport

      - name: Display local test coverage (only API 33)
        if: matrix.api-level == 33
        id: jacoco
        uses: madrapps/jacoco-report@v1.6.1
        with:
          title: Combined test coverage report
          min-coverage-overall: 40
          min-coverage-changed-files: 60
          paths: |
            ${{ github.workspace }}/**/build/reports/jacoco/**/*Report.xml
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload local coverage reports (only API 33)
        if: matrix.api-level == 33
        uses: actions/upload-artifact@v4
        with:
          name: coverage-reports
          if-no-files-found: error
          compression-level: 1
          overwrite: false
          path: '**/build/reports/jacoco/'

      - name: Upload test reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-reports-${{ matrix.api-level }}
          path: '**/build/reports/androidTests'