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type Reference
title Android CI workflow
description Shape and triage notes for .github/workflows/android.yml.
tags
ci
gradle
android
timestamp 2026-07-31 00:00:00 UTC

Android CI

Workflow: .github/workflows/android.yml

Triggers

  • pull_request
  • push

Job shape

Step Detail
Runner ubuntu-latest, 30m timeout
Checkout actions/checkout (pinned)
Cache ~/.gradle/caches, ~/.gradle/wrapper keyed on Gradle files
JDK Temurin 21
Build ./scripts/build.sh
On failure ./scripts/print_build_logs.sh

What build.sh runs

Canonical owner for the CI unit-path step list. Script: scripts/build.sh.

  1. Copy library/google-services.json → app/ and proguard-tests/
  2. ./gradlew --max-workers=2 clean
  3. ./gradlew --max-workers=2 assembleDebug
  4. ./gradlew --max-workers=2 checkstyle
  5. ./gradlew --max-workers=2 testDebugUnitTest -x :e2eTest:testDebugUnitTest

Step 4 is Java-only (include("**/*.java")), so it inspects zero files in the Kotlin modules — Kotlin blind spot. Android Lint covers that gap and runs in its own workflow, not in build.sh — see below.

Android Lint (lint.yml)

Separate workflow, pull_request only, running ./gradlew --max-workers=2 lintAll.

lintAll is registered in the root build.gradle.kts and gates the 8 modules that configure a lint { } block; :app and :e2eTest are not yet among them (CPRN-433).

It is a separate workflow rather than a step in build.sh for two reasons. Lint measured ~4-5 minutes on this repo — the build job went from 3-6 min to 8-11 min when it was inline — so running it in parallel roughly halves PR feedback time at about the same total runner cost, since the extra compile the lint job pays is the one build.sh stops paying (lintAnalyze depends on compileDebugKotlin, and there is no remote build cache: Develocity here is configured for build scans only). And under set -e an inline lint failure aborted the run before testDebugUnitTest, so one new finding cost you every test result for that run.

The workflow copies library/google-services.json into app/ and proguard-tests/ before running, because lintAll gates :proguard-tests:lintRelease and that module applies the google-services plugin.

proguard-tests:build is currently commented out (re-enable before release). Green Android CI does not prove ProGuard/R8 packaging.

Agent notes

  • Match this path locally with ./scripts/build.sh — agent command policy.
  • Do not treat this job as e2e coverage; that is e2e.md.