Build React Native Android App and submit to Firebase App Distribution via Github Actions

android_workflow.yml

name: Android CI

on:
  push:
    branches: [ main ]
  workflow_dispatch:

jobs:
  build:
    runs-on: macOS-latest
    steps:
    - name: Checkout Source Code
      uses: actions/checkout@v2
    - name: Generate keys from Secrets
      env:
         # Service Account Key JSON file https://docs.fastlane.tools/actions/supply/#setup
         FIREBASE_ANDROID_JSON: ${{secrets.FIREBASE_ANDROID_JSON}}
      run: |
        echo "$FIREBASE_ANDROID_JSON" >> android/firebase-app-distribution.json
    - name: Setup Node.js 12
      uses: actions/setup-node@v2
      with:
        node-version: '12'
    - name: Install React Native Project dependencies
      run: |
        yarn
    - name: Build Android Project
      run: |
        curl https://raw.githubusercontent.com/facebook/react-native/master/template/android/app/debug.keystore > android/app/debug.keystore
        cd android && ./gradlew clean && ./gradlew build --refresh-dependencies
    - name: Setup Ruby 2.7
      uses: actions/setup-ruby@v1
      with:
        ruby-version: '2.7'
    - name: Install Fastlane
      run: |
        bundle install
    - name: Run Fastlane
      uses: maierj/fastlane-action@v2.0.0
      with:
        lane: 'beta_ci'
        subdirectory: 'android'

Fastfile

default_platform(:android)

platform :android do

  desc "Deploy a new version to the Firebase App Distribution"
  lane :beta_ci do
    gradle(task: "clean assembleRelease")
    firebase_app_distribution(
      app: "1:123123123123123123123", #https://console.firebase.google.com/u/2/project/
      service_credentials_file: "./firebase-app-distribution.json", # Created from android_workflow.yml steps
      groups: "qa-team"
    )
  end
end

Gemfile

source "https://rubygems.org"

gem "fastlane"

plugins_path = File.join(File.dirname(__FILE__), 'Pluginfile')
eval_gemfile(plugins_path) if File.exist?(plugins_path)

Pluginfile

gem 'fastlane-plugin-firebase_app_distribution'