openPlacePicker function
Implementation
Future<ReverseGeocodePlace> openPlacePicker(PickerOption options) async {
final Map<String, dynamic> creationParams = <String, dynamic>{
'options': options.toMap()
};
final String version =
await _channel.invokeMethod('openPlacePicker', creationParams);
return ReverseGeocodePlace.fromMap(json.decode(version));
}