One of the first things when starting a new flutter project for me is making sure it is easy to actually deliver it. Especially for open source projects this is has some challenges on a public CI/CD like travis or cirrus ci.

Overview

The things to consider when building a typical flutter app for android.

• Blackbox: Manage Secrets which might include:
  • Upload or signing keys.
  • Secret API Keys for services used in the app (like Google Analytics, etc.).
  • Provisioning Profiles or similar.
• Install all app dependencies on the CI.
  • Android SDK
  • Flutter
  • Blackbox
• Synchronize build numbers between build servers and branches.

Blackbox: Managing Secrets

Blackbox are a collection of scripts based on GPG to store secrets inside public git repositories.

Check out the deep dive in how to use blackbox for your flutter app.