addOnConnectionStatus method

dynamic addOnConnectionStatus(
  1. String key,
  2. dynamic back(
    1. int,
    2. int?,
    3. ConnectionInfo?
    )
)

Implementation

addOnConnectionStatus(String key, Function(int, int?, ConnectionInfo?) back) {
  _connectionListenerMap ??= HashMap();
  _connectionListenerMap![key] = back;
}