build_apk.yml

name: Build APK based on label

on:
  pull_request:
    types: [labeled]

    
jobs:
  build:
    if: ${{ github.event.label.name == 'Accepted' }}
    runs-on: ubuntu-latest
    steps:
   
    - uses: actions/checkout@v2
    - uses: actions/setup-java@v1
      with:
        java-version: '12.x'
    
   
    - uses: subosito/flutter-action@v1
      with:
        flutter-version: '2.5.2' 

    - run: flutter pub get
    - run: flutter build apk
    
    - uses: actions/upload-artifact@v1
      with:
        name: release-apk
        path: build/app/outputs/apk/release/app-release.apk

    - name: Save PR number
      run: |
        mkdir -p ./pr
        echo ${{ github.event.number }} > ./pr/NR
    - uses: actions/upload-artifact@v2
      with:
        name: pr
        path: pr/