On Receive Message Wrapper Listener
public abstract class OnReceiveMessageWrapperListener implements IRongCoreListener.OnReceiveMessageListener
Listener for receiving messages. Note: Switch threads to handle time-consuming operations.
This interface can replace OnReceiveMessageListener to address the issue of frequent UI refreshes when receiving a large number of messages. The interface returns the `left` and `hasPackage` parameters, which can be used together to determine when all offline messages have been fetched.