build-app.yml

name: Build my app

# Builds the APK described by my-app/appcask.config.json.
#   - "Run workflow" button in the Actions tab, or
#   - automatically when you commit a change under my-app/
on:
  workflow_dispatch:
  push:
    paths:
      - 'my-app/**'

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 17

      - uses: android-actions/setup-android@v3

      - name: Install Android SDK packages
        run: sdkmanager "platforms;android-36" "build-tools;36.0.0" "ndk;27.1.12297006" "cmake;3.22.1"

      - uses: gradle/actions/setup-gradle@v4

      - name: Build the appcask CLI
        run: |
          pnpm install --frozen-lockfile
          pnpm -r --filter "./packages/*" build

      - name: Build the app
        working-directory: my-app
        # arm64 covers modern phones, x86_64 covers emulators — half the build
        # time of all four ABIs, and enough for sideloading + testing.
        run: node ../packages/cli/dist/cli.js build android --archs arm64-v8a,x86_64

      - name: Find the APK
        id: apk
        run: echo "path=$(ls my-app/build/*.apk | head -1)" >> "$GITHUB_OUTPUT"

      - uses: actions/upload-artifact@v4
        with:
          name: my-app-apk
          path: ${{ steps.apk.outputs.path }}
          if-no-files-found: error

      - name: Summary
        if: always()
        run: |
          if [ -f "${{ steps.apk.outputs.path }}" ]; then
            echo "### ✅ APK ready" >> "$GITHUB_STEP_SUMMARY"
            echo "" >> "$GITHUB_STEP_SUMMARY"
            echo "Download **my-app-apk** from Artifacts below, unzip it, copy the \`.apk\` to an Android phone, and tap it." >> "$GITHUB_STEP_SUMMARY"
            echo "" >> "$GITHUB_STEP_SUMMARY"
            echo "> Signed with a test key — good for sideloading, not the Play Store." >> "$GITHUB_STEP_SUMMARY"
          else
            echo "### ❌ Build failed" >> "$GITHUB_STEP_SUMMARY"
            echo "" >> "$GITHUB_STEP_SUMMARY"
            echo "Open the failed step above, copy the error, and see [docs/troubleshooting.md](../blob/main/docs/troubleshooting.md) or the AI prompt in [docs/with-ai.md](../blob/main/docs/with-ai.md)." >> "$GITHUB_STEP_SUMMARY"
          fi