onInit method
Called immediately after the widget is allocated in memory. You might use this to initialize something for the controller.
Implementation
@override
void onInit() {
CometChat.addGroupListener(_groupListenerId, this);
CometChatGroupEvents.addGroupsListener(_uiGroupListener, this);
CometChatMessageEvents.addMessagesListener(_uiMessageListener, this);
CometChatUIEvents.addUiListener(_uiEventListener, this);
CometChatCallEvents.addCallEventsListener(_uiCallListener, this);
CometChat.addCallListener(_sdkCallListenerId, this);
CometChat.addConnectionListener(_messageListenerId, this);
initializeHeaderAndFooterView();
super.onInit();
}