get the current user asynchronously

General
1

I want to retrieve the current logged in user asynchronously because currentUser() always retrun null

2

Hello, Mahmoud!

It sounds strange that currentUser() returns null. This value is set inside SDK after calling “login” method.
Anyway, in order to retrieve user you can use Data service find API call as described here: https://backendless.com/documentation/data/android/data_basic_search.htm
best regards,
Alex