Getting a JSONException: end of input at character 0

Question

I have an API in php, that sends data in JSON format. I made the following code, that works fine when I am on wifi. But when I want to download the data from the API when

Answer 1

This kind of error comes up when response is null.Print Json respone in logcat

Log.e ( "response", "" + response ), or you can check response on postman also.