[ERROR] PlatformException(startScan, Unable to start scan., false, null) about flutter-plugins HOT 4 CLOSED

You are correct in needing the permissions but you also need to request them in code before attempting any of the connection stuff. I suggest something like https://pub.dev/packages/permission_handler a good example of implementation can be found here https://stackoverflow.com/a/58680215.

The permission handling was intentionally left out of this plugin (instead of forcing it on users) since it isn't likely the only use case for certain permissions and there are plenty of flutter packages that handle permissions alone.

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I'm going to try and remember to add that to the usage documentation.

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Depending on your use case though https://github.com/weplenish/flutter_wifi_connect may be a better fit.

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Facing the same issue cannot solve it

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