<uses-permission android:name="com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY"/>

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

@Override
                public void onErrorResponse(VolleyError error) {
                    // TODO Auto-generated method stub
                    android.util.Log.e("ERROR", "ERROR " + error.toString());
                    android.util.Log.e("LOCALERRORMSG", "ERROR " + error.getLocalizedMessage());
                    android.util.Log.e("ERRORMSG", "ERROR " + error.getMessage());
                }

public class CustomHeaderJsonObjectRequest extends JsonObjectRequest {

    public CustomHeaderJsonObjectRequest(int method, String url, JSONObject jsonRequest, Response.Listener<JSONObject> listener, Response.ErrorListener errorListener) {
        super(method, url, jsonRequest, listener, errorListener);
    }

    @Override
    public Map<String, String> getHeaders() throws AuthFailureError {

            Map<String, String> headers = new HashMap<>();
            headers.put("User-Agent","Mozilla/5.0");
            return headers;
    }

    @Override
    public String getBodyContentType()
    {
        return "application/json; charset=utf-8";
    }

}