<Getting API output twice> I have the following co...

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[user]

Getting API output twice
I have the following code to do API-calls:

interface VolleyCallback {
fun onSuccess(result: String?)
}
interface VolleyCallbackBrokerList {
fun onSuccess(result: ArrayList?)
}

class RestClient(val server: String, val ctx: Context) {

fun getText(callback : VolleyCallback) : String {
// Instantiate the RequestQueue.
val queue = Volley.newRequestQueue(ctx)
val url = server;

var str = "";

// Request a string response from the provided URL....