getWifiBSSID method
Obtains the wifi BSSID of the connected network.
Please note that it DOESN'T WORK on emulators (returns null).
From Android 8.0 onwards the GPS must be ON (high accuracy) in order to be able to obtain the BSSID.
Implementation
Future<String?> getWifiBSSID() {
return _platform.getWifiBSSID();
}