public boolean isExistingID() {
        try {
            String userId= getPost().getString(Defines.Jsonkey.Identity.getKey());
            return (userId != null && userId.equals(prefHelper_.getIdentity()));
        } catch (JSONException e) {
            e.printStackTrace();
            return false;
        }

    }
public boolean isExistingID ( ) { try { String userId = getPost ( ) . getString ( Defines . Jsonkey . Identity . getKey ( ) ) ; return ( userId != null && userId . equals ( prefHelper_ . getIdentity ( ) ) ) ; } catch ( JSONException e ) { e . printStackTrace ( ) ; return false ; } }
Return true if the user id provided for user identification is the same as existing id

@return True if the user id refferes to the existing user