Github Actions workflow for simple a Android build and test project. place the file in /.github/workflows/android.yml

android.yml

name: Android CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: set up JDK 1.8
      uses: actions/setup-java@v1
      with:
        java-version: 1.8
        
    - name: Build with Gradle
      run: ./gradlew build
      
    - name: Run JUnit tests with Gradle
      run: ./gradlew test

  androidTest:
    runs-on: macOS-latest #Have to use mac os for HAXM hw acceleration. although it uses 10x more run minutes than ubuntu on GH actions
    steps:
      - uses: actions/checkout@v2
      - name: Instrumentation Tests
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: 29
          arch: x86
          disable-animations: true
          script: ./gradlew connectedAndroidTest --stacktrace