public void OnFailure(int p0, Java.Lang.Exception p1)
 {
     // Do whatever you need to do with the user info data
     Activity.mUserInfoJson[KeyUserInfo] = null;
     Activity.RunOnUiThread(() => {
         Activity.displayAuthorizationInfo();
         Activity.showSnackbar(Activity.GetString(Resource.String.token_failure_message));
     });
 }
 public void OnSuccess()
 {
     Activity.RunOnUiThread(() => Activity.displayAuthorizationInfo());
 }