Android Template

A repository template to create new Android Kotlin apps!

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Click the button.

Setup. Code or ask to code. Do whatever you want.

Keystore

To sign your APK, create a keystore. Keep it safe.

keytool -genkeypair -v -keystore release.jks -alias ${APP_NAME} -keyalg EC -groupname secp256r1 -sigalg SHA256withECDSA -validity 10000

You can upload it to GitHub Actions as Secret ANDROID_KEYSTORE_BASE64 to generate Release APKs.

base64 -w 0 release.jks ; echo

Then define ANDROID_KEYSTORE_PASSWORD, ANDROID_KEY_PASSWORD (default is the same), and ANDROID_KEY_ALIAS as configured.

Google Play Publishing

To automatically publish releases to Google Play, configure a service account JSON key.

1. In Google Play Console, go to Setup → API access and link a Google Cloud project.
2. Create a service account with the Release manager (or Releases submitter) role.
3. Download the JSON key file for that service account.
4. Encode the contents and add them as a GitHub Actions secret named GOOGLE_PLAY_JSON_KEY:

cat google-play-key.json | base64 -w 0 ; echo

Requires also to update the release.yml Workflow and enable BUILD_AAB (disabled by default). The release workflow will automatically publish the AAB to the internal track after a successful build. The track can be changed in fastlane/Fastfile (publish lane, track option).