Use tag name as app version in Codemagic builds

  • Dev

There is several ways to create different build flows for your Flutter app. You can use flavors for example. But today I want to describe my Android release flow where Codemagic builds my app from GitHub tag to publish it to Google Play and to create a release in GitHub. And the most comfortable thing is that app version is taken from tag name.

I have Build triggers set to Trigger on tag creation.

I also have additional Build arguments for Android added in Build section:

--dart-define=versionName=$(/usr/bin/git describe) --build-name=$(/usr/bin/git describe)

--build-name parameter allows us to define versionName for our future apk.

--dart-define allows to define environment specific variables to use in application code with String.fromEnvironment so we’ll be able to show application version with String.fromEnvironment('versionName').

git describe command will show most recent tag for current commit.

Also I have Google Play and GitHub releases enabled in Publish section.

To make this work I need to create an annotated tag and push it to remote:

git tag -a "1.1.0-alpha" -m ''Release 1.1.0 alpha"
git push origin 1.1.0-alpha

That’s it.

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