addMessageListener static method

dynamic addMessageListener(
  1. String listenerId,
  2. CometChatCallsEventsListener listenerClass
)

For every activity or fragment you wish to receive calling event callbacks then you need to register the CometChatCallsEventsListener

listenerId unique id for listener

Implementation

static addMessageListener(String listenerId, CometChatCallsEventsListener listenerClass) {
  callsEventsListener[listenerId] = listenerClass;
}