how-to-use-volley-string-request-in-android
public class LoginRequest extends Request<String> { // ... other methods go here private Map<String, String> mParams; public LoginRequest(String param1, String param2, Listener<String> listener, ErrorListener errorListener) { super(Method.POST, "http://test.url", errorListener); mListener = listener; mParams = new HashMap<String, String>(); mParams.put("paramOne", param1); mParams.put("paramTwo", param2); } @Override public Map<String, String> getParams() { return mParams; } }