getIdFunction

 class MyProvider with ChangeNotifier {
 var id;
 Future<void> getid(String moviename) async {
    try {
      Dio dio = Dio();
      Response res = await dio.get(
        "http://www.omdbapi.com/?t=$moviename&apikey=4b25eb47",
      );
      id = res.data['imdbID'];
      print(id.toString());
    } catch (e) {}
  }
  }