Sign your Android App
Step-by-step guide to sign and release your Flutter app on Android
You can read more about releasing an Android app in the official Flutter docs.
Build & Release
Sign App
keytool -genkey -v -keystore ~path/to/key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias upload
Then follow the steps listed here to configure app/build.gradle
.