access to cookie's read and write permissions

is there any setting that enable cookie control in webview，like: [how-to-enable-cookies/chrome](https://www.whatismybrowser.com/guides/how-to-enable-cookies/chrome)
```
flutterWebviewPlugin.getCookies().then((m) {
print(m);
print(m['userId']);
flutterWebviewPlugin.evalJavascript('alert(1111111111)');
});

I/flutter ( 4417): {"cdfee2bc454453d63caeaa3b169ad31e966c: eyJhbGciOiJIUzI1NiJ9.eyJpYXQiOjE1NjU4NDIzNjYsInN1YiI6IjBjMDAwOWVjZjA3ZTI2NjQuNTk4MzQ4MjQ3OTgtg45t4g5yMjE5YTVmZry4576mYyYl8xNTY1ODQyMzY2MDgxIiwianRpIjoiMTU2NTg0MjM2NjA4MSIsImV4cCI6MTU2NjEwMTU2Nn0.iyCKOQGO6sYWpgKDtJmu8KNg5Va1H9_VHxfbwCe4_t0, userId: 0c0009ec45g45h3459981"}
I/flutter ( 4417): null
```
I can not write or read cookie in webview，my web needs to login and then write cookit in other http reuqests

Start by tracing the plugin's getCookies() and evalJavascript() entry points and how the Android WebView handles cookies during login. Reproduce the reported read and write failure, then verify that cookies can be retrieved after login and are included in subsequent HTTP requests.

Written by the indexing model from the issue text.