The shared singleton session object. To get started, you must set API key and secret key to SDK. You must add IAGSApiKey and IAGSSecretKey to meta-data in manifest.

or write the following codes: IAGSManager.getInstance(context).setApiKey("SET YOUR API KEY HERE", "SET YOUR SECRET KEY HERE")

A interface that defines methods that GroundSage instances call on their listener to handle callback from server.