is it possible query data that are not equal to the specified condition?

Question

Am fetching list of users for my listview (android) i used firebaselistadapter to backing up my listview , I wanna show users data except mine . Like an sql query Select something from usertable where id!=userid;

i wanna fetch all other users data,

Answer 1

Firebase currently only offers a way to include nodes based on the presence of a certain value. You cannot exclude nodes based on the presence of a value.

Update (20160828): I wrote a related answer today that shows how to detect the absence of a property.