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skymap.build

DevOps & Security

skymap.build is an Agent Skill for devops & security published in the sky-map-team/stardroid repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Build, test, deploy, and manage data generation for Sky Map. Trigger on "build the app", "run tests", "deploy to device", "generate data", "run lint", or similar build/dev workflow requests.

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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/sky-map-team/stardroid/blob/HEAD/stardroid-v1/.claude/skills/skymap.build/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/skymap-build, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Sky Map Build & Dev Workflow

Environment Setup

Always set before building:

export JAVA_HOME=$(/usr/libexec/java_home -v 17)
export ANDROID_HOME=~/Library/Android/sdk

local.properties must exist in the repo root with sdk.dir=<path to Android SDK>. You will also need a no-checkin.properties in the app folder. If using a new git worktree you should attempt to copy these files out of the current main folder.

Build Flavors

  • gms — Google Play Services (Analytics, Location). Requires no-checkin.properties for release builds.
  • fdroid — Pure open source, no Google dependencies.

Always specify the flavor. Never use bare assembleDebug.

Build Commands

Prefer to use the shell scripts:

# Full rebuild including data generation
./build.sh             # Skip data regeneration
./build.sh -d          # Build the debug version
./build.sh --full      # GMS including data generation
./build.sh --fdroid    # F-Droid

but you can also use gradlew directly:

# Debug APK
./gradlew :app:assembleGmsDebug
./gradlew :app:assembleFdroidDebug

# Release bundle
./gradlew :app:bundleGmsRelease

Prefer not using the -fullk option unless you are adding/removing strings.

Testing

# All unit tests
./gradlew test

# App module unit tests only
./gradlew app:test

# Instrumented tests (requires connected device/emulator)
./gradlew app:connectedAndroidTest

Linting

./gradlew lint

Data Generation

Run when modifying star catalogs or astronomical data:

cd tools
./generate.sh   # Creates ASCII protocol buffers
./binary.sh     # Converts to binary in app/src/main/assets/

Deployment to a phone

./deploy.sh       # Deploy to connected device or emulator
./deploy.sh -p    # Deploy to a physical device
./deploy.sh -d    # Deploy a debug build
./deploy.sh --frdroid # Deploy the fdroid build
./undeploy.sh     # Uninstall the app

Common Deployment Issues

  • INSTALL_FAILED_UPDATE_INCOMPATIBLE: uninstall the Play Store version first — adb uninstall com.google.android.stardroid
  • Device shows offline: adb kill-server && adb start-server