To sign an APK for installation via F-Droid, follow these steps:
- Generate a keystore file using Keytool.
- Build your APK.
- Sign the APK with the keystore using jarsigner.
- Optimize and align the APK using zipalign.
- Upload the signed APK to your F-Droid repository.
- Users can install the signed APK directly on their connected devices via F-Droid.
Mod edit: link removed.