addChatThreadManagerListener method Null safety

void addChatThreadManagerListener(
  1. ChatThreadManagerListener listener
)

Adds the chat thread manager listener. After calling this method, you can listen for new chat threads when they arrive.

Param listener The chat thread manager listener that listens for new chat thread. See {@link ChatThreadManagerListener}.

Implementation

void addChatThreadManagerListener(ChatThreadManagerListener listener) {
  _listeners.remove(listener);
  _listeners.add(listener);
}