CI/CD with GitHub Actions in Android Kotlin - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is GitHub Actions used for in CI/CD?

GitHub Actions automates tasks like building, testing, and deploying code whenever you push changes to your repository.

beginner

What file defines a GitHub Actions workflow?

A workflow is defined in a YAML file located in the .github/workflows/ folder of your repository.

intermediate

What triggers can start a GitHub Actions workflow?

Workflows can start on events like push, pull_request, or on a schedule using cron.

intermediate

How do you specify the environment for running jobs in GitHub Actions?

You specify the environment using the runs-on key, for example runs-on: ubuntu-latest to use a Linux machine.

beginner

What is a 'job' in GitHub Actions?

A job is a set of steps that run on the same runner. Jobs can run sequentially or in parallel.

Where do you place the workflow YAML files in a GitHub repository?

A root directory

B src/main/

C .github/workflows/

D config/actions/

Workflow files must be inside the .github/workflows/ folder to be recognized by GitHub Actions.

Which event can trigger a GitHub Actions workflow?

A compile

B push

C run

D install

The 'push' event triggers workflows when code is pushed to the repository.

What does the 'runs-on' key specify in a GitHub Actions job?

A The workflow name

B The programming language version

C The repository branch

D The operating system of the runner

'runs-on' tells GitHub Actions which OS environment to use for the job.

How can you run multiple jobs at the same time in GitHub Actions?

A By defining multiple jobs without dependencies

B By using a single job with many steps

C By running workflows sequentially

D By using cron schedules

Jobs without dependencies run in parallel automatically.

Which file format is used to write GitHub Actions workflows?

A YAML

B JSON

C XML

D TXT

GitHub Actions workflows are written in YAML format.

Explain how a simple CI workflow for an Android Kotlin app can be set up using GitHub Actions.

Think about the sequence from code push to build and test.

Describe the benefits of using GitHub Actions for CI/CD in your projects.

Focus on how it saves time and reduces manual work.