Github Action Build React Native Android

gistfile1.txt

name: Build Android
on:
  push:
    branches: [main]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies
        run: yarn

      - name: Build Android Release
        run: cd android && ./gradlew assembleRelease

      - name: Upload Artifact
        uses: actions/upload-artifact@v1
        with:
          name: release
          path: android/app/build/outputs/apk/release/app-release.apk

you need set up java

  - name: Install Java
    uses: actions/setup-java@v3
    with:
      java-version: 17
      distribution: adopt
      cache: gradle