Retrofit "illegalstateexception: Already Executed"

I have a Retrofit network call that id like to run every 5 seconds. My current code: Handler h = new Handler(); int delay = 5000; //milliseconds h.postDelayed(new Runnable() {

Solution 1:

A Call can only be used once. Its documentation tells you how to use one multiple times:

Use clone() to make multiple calls with the same parameters to the same webserver; this may be used to implement polling or to retry a failed call.

So use call.clone().enqueue(..) for Asynchornous and call.clone().execute() for Synchornousrespectively to ensure that you have a fresh, unexecuted Call for each request.