}
final String user=PreferenceManager.getDefaultSharedPreferences(context).getString("username", null);
final String password=PreferenceManager.getDefaultSharedPreferences(context).getString("password", null);
- if(user == null || password == null){
+ if(user == null || password == null || user.length() == 0 || password.length() == 0){
if(callback!=null)
callback.onError(toNonNull(context.getString(user_or_password_not_set)));
return;