How to build apk of Webview in flutter

For build an APK you use:

flutter build apk .

For build a bundle:

flutter build appbundle

For build apk and split by arch

flutter build apk --split-per-abi

These is the modes that can you build for Android in flutter.

The webView is a feature of your application, so don't have a different type of build .

Check this doc: https://docs.flutter.dev/deployment/android

flutter build apk

This typically build for debug mode. For more specific result, use ~

flutter build apk --release 

or,

flutter build apk --debug