list method
Implementation
@override
Future<List<WifiResult>> list(String key) async {
final Map<String, dynamic> params = {
'key': key,
};
var results = await methodChannel.invokeMethod('list', params);
List<WifiResult> resultList = [];
for (int i = 0; i < results.length; i++) {
resultList.add(WifiResult(
results[i]['ssid'],
results[i]['frequency'],
results[i]['level'],
));
}
return resultList;
}