Signing with key

keytool -genkey -v -keystore name.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000

jarsigner -verbose -keystore name.keystore release_app.aab alias-name

Flutter

  • build for release

    flutter build bundle --release

icon

  • https://qiita.com/rkowase/items/e0f3f8aec207ed8567aa