android bundle

: public enum BundleData
 {
  ItemPosition,
  UserName
 }

 public static class Extensions
 {
  public static int GetBundleData(this Intent intent, BundleData data, int defaultValue)
   => intent.Extras.GetInt(data.ToString(), defaultValue);

  public static void SetBundleData(this Intent intent, BundleData data, int value)
   => intent.PutExtra(data.ToString(), value);
 }