Auto build and release APK on Github with Github Actions

# https://gist.github.com/dpcpnry/2dfc638cbe81b6b4763b592557acb522  
  
name: Build Downloadable APK  
  
on:  
  push:  
    branches: [master]  
      
jobs:  
  build:  
    runs-on: ubuntu-latest  
      
    steps:  
    - uses: actions/checkout@v2  
      
    - name: setup JAVA 11  
      uses: actions/setup-java@v2  
      with:  
        java-version: 11  
        distribution: 'adopt'  
        cache: gradle  
          
    - name: build APK debug with gradlew  
      run: |   
        chmod +x gradlew  
        bash ./gradlew clean assembleDebug --stacktrace  
          
      # bash ./gradlew clean assembleDebug --stacktrace  
    
    - name: Find APK path  
      run: find . -name "*-debug.apk"  
        
      
      # use the result of the above find command for release path below  
      # It may look like: ./PROJECT/build/outputs/apk/debug/PROJECT-debug.apk  
      # PROJECT is normally your PROJECT name (often under it has: src/main/java)  
      # Or simply upload to somewhere else after knowing the apk path  
      # zip then curl upload it to https://transfer.sh  
        
    - name: Prepare TAGVERUTC  
    # https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions#environment-files  
      run: echo "TAGVERUTC=$(echo $(date -u +%Y%m%d.%H%M%S))" >> $GITHUB_ENV  
      
    - name: Prepare DEBUG_APK_PATH  
      run: echo "DEBUG_APK_PATH=$(echo $(find . -name ""*-debug.apk""))" >> $GITHUB_ENV  
      # also works run: echo "DEBUG_APK_PATH=$(echo $(find . -name *-debug.apk))" >> $GITHUB_ENV  
      
    - name: Prepare APKNAME  
      run: echo "APKNAME=$(echo $(basename $ ))" >> $GITHUB_ENV  
      
    - name: Test echo DEBUG_APK_PATH  
      run: echo $  
      
    # - name: Upload APK to transfer.sh  
    #   run: |   
    #     cp $ ./$  
    #     curl --upload-file ./$ https://transfer.sh/$  
      
    - name: Upload AK  
      uses: actions/upload-artifact@v2  
      with:  
        name: app  
        path: $  
          
    - name: Create release and upload apk  
      uses: underwindfall/[email protected]  
        
      env:  
          GITHUB_TOKEN: $  
      with:  
        # repeated release tag_name will cause error, remember to change the path accordingly  
          
        # tag_name: v2.2.2  
        # asset_path: ./PROJECT/build/outputs/apk/debug/PROJECT-debug.apk  
        # asset_name: PROJECT-debug.apk  
          
        tag_name: $   
        asset_path: $   
        asset_name: $   
        asset_content_type: application/zip