addEventHandler method

void addEventHandler(
  1. String identifier,
  2. ContactEventHandler handler
)

Adds the contact event handler. After calling this method, you can handle for new contact event when they arrive.

Param identifier The custom handler identifier, is used to find the corresponding handler.

Param handler The handle for contact event. See ContactEventHandler.

Implementation

void addEventHandler(
  String identifier,
  ContactEventHandler handler,
) {
  _eventHandlesMap[identifier] = handler;
}