I try to login in my application, when I try to call API using volley library, it\'s giving com.android.volley.ServerError and response code 400.
final String u
I had the same issue. It drained my entire day. Finally, I Found the tiny error, which was that I was passing a null value in parameters.
Check if you are passing a null value to the server in getParams() or your JSON Object. If yes, that may be the problem.